Angela Karp

NameAngela Karp
Job titleDirector for Science Innovation, Engagement and Partnerships
Email addressangela.karp@rothamsted.ac.uk
DepartmentScience Innovation, Engagement and Partnerships
OfficeHarpenden

Research outputs

The role of bioenergy in a climate-changing world

Souza, G. M., Ballester, M. V. R., de Brito Cruz, C. H., Chum, H. L., Dale, B., Dale, V. H., Fernandes, E. C. M., Foust, T., Karp, A., Lynd, L., Maciel Filho, R., Milanez, A., Nigro, F., Osseweijer, P., Verdade, L. M., Victoria, R. L. and Van der Wielen, L. 2017. The role of bioenergy in a climate-changing world. Environmental Development. 23 (September), pp. 57-64.

Association mapping in Salix viminalis L. (Salicaceae) - identification of candidate genes associated with growth and phenology

Hallingbäck, H. R., Fogelqvist, J., Powers, S. J., Turrion-Gomez, J., Rossiter, R., Amey, J., Martin, T., Weih, M., Gyllenstrand, N., Karp, A., Lagercrantz, U., Hanley, S. J., Berlin, S. and Rönnberg-Wästljung, A-C. 2016. Association mapping in Salix viminalis L. (Salicaceae) - identification of candidate genes associated with growth and phenology. GCB Bioenergy. 8 (3), pp. 670-685.

Development of a sink-source interaction model for the growth of short-rotation coppice willow and in silico exploration of genotype x environment effects

Cerasuolo, M., Richter, G. M., Richard, B., Cunniff, J., Girbau, S., Shield, I. F., Purdy, S. and Karp, A. 2016. Development of a sink-source interaction model for the growth of short-rotation coppice willow and in silico exploration of genotype x environment effects. Journal of Experimental Botany. 67 (3), pp. 961-977.

Dedicated biomass crops can enhance biodiversity in the arable landscape

Haughton, A. J., Bohan, D. A., Clark, S. J., Mallott, M. D., Mallott, V., Sage, R. and Karp, A. 2016. Dedicated biomass crops can enhance biodiversity in the arable landscape. GCB Bioenergy. 8 (6), pp. 1071-1081.

Growing innovations for the bioeconomy

Karp, A., Beale, M. H., Beaudoin, F., Eastmond, P. J., Neal, A. L., Shield, I. F., Townsend, B. J. and Dobermann, A. 2015. Growing innovations for the bioeconomy. Nature Plants. 1, p. 15193.

Breeding willow for short rotation coppice energy cropping

Shield, I. F., Macalpine, W. J., Hanley, S. J. and Karp, A. 2015. Breeding willow for short rotation coppice energy cropping. in: Cruz, V. M. V. and Dierig, D. A. (ed.) Industrial crops. Handbook of Plant Breeding 9 Springer, New York. pp. 67-80

G-fibre cell wall development in willow stems during tension wood induction

Gritsch, C., Wan, Y., Mitchell, R. A. C., Shewry, P. R., Hanley, S. J. and Karp, A. 2015. G-fibre cell wall development in willow stems during tension wood induction. Journal of Experimental Botany. 66 (20), pp. 6447-6459.

X-ray micro-computed tomography in willow reveals tissue patterning of reaction wood and delay in programmed cell death

Brereton, N. J. B., Ahmed, F., Sykes, D., Ray, M. J., Shield, I. F., Karp, A. and Murphy, R. J. 2015. X-ray micro-computed tomography in willow reveals tissue patterning of reaction wood and delay in programmed cell death. BMC Plant Biology. 15, p. 83.

Efficient method for rapid multiplication of clean and healthy willow clones via in vitro propagation with broad genotype applicability

Palomo-Rios, E., Macalpine, W. J., Shield, I. F., Amey, J. S., Karaoglu, C., West, J., Hanley, S. J., Krygier, R., Karp, A. and Jones, H. D. 2015. Efficient method for rapid multiplication of clean and healthy willow clones via in vitro propagation with broad genotype applicability. Canadian Journal Of Forest Research. 45 (11), pp. 1662-1667.

Characterisation of the willow phenylalanine ammonia-lyase (Pal) gene family reveals expression differences compared with poplar

De Jong, F., Hanley, S. J., Beale, M. H. and Karp, A. 2015. Characterisation of the willow phenylalanine ammonia-lyase (Pal) gene family reveals expression differences compared with poplar. Phytochemistry. 117 (September), pp. 90-97.

High yielding biomass genotypes of willow (Salix spp.) show differences in below ground biomass allocation

Cunniff, J., Purdy, S. J., Barraclough, T. J. P., Castle, M., Maddison, A. L., Jones, L. E., Shield, I. F., Gregory, A. S. and Karp, A. 2015. High yielding biomass genotypes of willow (Salix spp.) show differences in below ground biomass allocation. Biomass & Bioenergy. 80 (September), pp. 114-127.

Genetic diversity, population structure and phenotypic variation in European Salix viminalis L. (Salicaceae)

Berlin, S., Trybush, S. O., Fogelqvist, J., Gyllenstrand, N., Hallingback, H. R., Ahman, I., Nordh, N-E., Shield, I. F., Powers, S. J., Weih, M., Lagercrantz, U., Ronnberg-Wastljung, A-C., Karp, A. and Hanley, S. J. 2014. Genetic diversity, population structure and phenotypic variation in European Salix viminalis L. (Salicaceae). Tree Genetics & Genomes. 10 (6), pp. 1595-1610.

Photosynthesis and growth in diverse willow genotypes

Andralojc, P. J., Bencze, S., Madgwick, P. J., Philippe, H., Powers, S. J., Shield, I. F., Karp, A. and Parry, M. A. J. 2014. Photosynthesis and growth in diverse willow genotypes. Food and Energy Security. 3, pp. 69-85.

Rothamsted Research willow (Salix spp.) breeding programme: multi-site yield trial results 2014

Macalpine, W. J., Shield, I. F., Walsh, L. R. E., Johnston, C., Mccracken, A. R., Gilliland, J., Wilson, H., Finnan, J., Power, R., Hartmann, H., Weitz, M., White, Robin P. and Karp, A. 2014. Rothamsted Research willow (Salix spp.) breeding programme: multi-site yield trial results 2014. Proceedings 22nd European Biomass Conference and Exhibition, Setting the Course for a Biobased Economy, Hamburg, 23-26 June 2014 . pp. 116-121

Functional screening of willow alleles in Arabidopsis combined with QTL mapping in willow (Salix) identifies SxMAX4 as a coppicing response gene

Salmon, J., Ward, S. P., Hanley, S. J., Leyser, O. and Karp, A. 2014. Functional screening of willow alleles in Arabidopsis combined with QTL mapping in willow (Salix) identifies SxMAX4 as a coppicing response gene. Plant Biotechnology Journal. 12 (4), pp. 480-491.

Secondary cell wall composition and candidate gene expression in developing willow (Salix purpurea) stems

Wan, Y., Gritsch, C., Tryfona, T., Ray, M. J., Andongabo, A. E., Hassani-Pak, K., Jones, H. D., Dupree, P., Karp, A., Shewry, P. R. and Mitchell, R. A. C. 2014. Secondary cell wall composition and candidate gene expression in developing willow (Salix purpurea) stems. Planta. 239, pp. 1041-1053.

Willows as a source of renewable fuels and diverse products

Karp, A. 2014. Willows as a source of renewable fuels and diverse products. in: Fenning, T. (ed.) Challenges and opportunities for the world's forests in the 21st century (Forestry Sciences 81) Springer, Dordrecht. pp. 617-641

Genetics, genomics and crop modelling: integrative approaches to the improvement of biomass willows

Karp, A., Richter, G. M., Shield, I. F. and Hanley, S. J. 2014. Genetics, genomics and crop modelling: integrative approaches to the improvement of biomass willows. in: McCann, M. C. (ed.) Plants and bioenergy. Advances in Plant Biology, Vol 4 Springer, New York. pp. 107-130

Genetic strategies for dissecting complex traits in biomass willows (Salix spp.)

Hanley, S. J. and Karp, A. 2014. Genetic strategies for dissecting complex traits in biomass willows (Salix spp.). Tree Physiology. 34 (11), pp. 1167-1180.

Insights into nitrogen allocation and recycling from nitrogen elemental analysis and 15N isotope labelling in 14 genotypes of willow

Brereton, N. J. B., Pitre, F. E., Shield, I. F., Hanley, S. J., Ray, M. J., Murphy, R. J. and Karp, A. 2014. Insights into nitrogen allocation and recycling from nitrogen elemental analysis and 15N isotope labelling in 14 genotypes of willow. Tree Physiology. 34 (11), pp. 1252-1262.

Near infrared spectroscopy (NIRS) for screening condensed tannins in a willow germplasm collection

Klongsiriwet, C., Karp, A., Hanley, S. J., Barnes, R., Falchero, L. and Mueller-Harvey, I. 2013. Near infrared spectroscopy (NIRS) for screening condensed tannins in a willow germplasm collection. Thieme. doi:10.1055/s-0033-1352230

Using Arabidopsis to study shoot branching in biomass willow

Ward, S. P., Salmon, J., Hanley, S. J., Karp, A. and Leyser, O. 2013. Using Arabidopsis to study shoot branching in biomass willow. Plant Physiology. 162 (June), pp. 800-811.

A pseudo-3D model to optimise the target traits of light interception in short-rotation coppice willow

Cerasuolo, M., Richter, G. M., Cunniff, J., Purdy, S., Shield, I. F. and Karp, A. 2013. A pseudo-3D model to optimise the target traits of light interception in short-rotation coppice willow. Agricultural and Forest Meteorology. 173, pp. 127-138.

A SNaPshot assay for the rapid and simple detection of known point mutations conferring resistance to ACCase-inhibiting herbicides in Lolium spp.

Reverte, R. A., Hanley, S. J., Kaundun, S. S., Karp, A. and Moss, S. R. 2013. A SNaPshot assay for the rapid and simple detection of known point mutations conferring resistance to ACCase-inhibiting herbicides in Lolium spp. Weed Research. 53 (1), pp. 12-20.

High levels of genetic diversity in Salix viminalis of the Czech Republic as revealed by microsatellite markers

Trybush, S. O., Jahodova, S., Cizkova, L., Karp, A. and Hanley, S. J. 2012. High levels of genetic diversity in Salix viminalis of the Czech Republic as revealed by microsatellite markers. BioEnergy Research. 5 (4), pp. 969-977.

Reaction wood - a key cause of variation in cell wall recalcitrance in willow

Brereton, N. J. B., Ray, M. J., Shield, I. F., Martin, P., Karp, A. and Murphy, R. J. 2012. Reaction wood - a key cause of variation in cell wall recalcitrance in willow. Biotechnology for Biofuels. 2, p. 83.

Variation in cell wall composition and accessibility in relation to biofuel potential of short rotation coppice willows

Ray, M. J., Brereton, N. J. B., Shield, I. F., Karp, A. and Murphy, R. J. 2012. Variation in cell wall composition and accessibility in relation to biofuel potential of short rotation coppice willows. BioEnergy Research. 5, pp. 685-698.

Population genetics of Tuberolachnus salignus, an obligate parthenogenetic aphid

Aradottir, G. I., Hanley, S. J., Collins, C. M., Dawson, K. J., Karp, A., Leather, S. R., Shield, I. F. and Harrington, R. 2012. Population genetics of Tuberolachnus salignus, an obligate parthenogenetic aphid. Agricultural and Forest Entomology. 14 (2), pp. 197-205.

Seed to near market variety: the BEGIN willow breeding pipeline 2003-2010 and beyond

Macalpine, W. J., Shield, I. F. and Karp, A. 2011. Seed to near market variety: the BEGIN willow breeding pipeline 2003-2010 and beyond. Proceedings Bioten Conference on Biomass, Bioenergy and Biofuels, Birmingham, 21-23 September 2010 . CPL Scientific Publishing, Newbury. pp. 94-104

Rothamsted Research willow (Salix spp.) breeding programme: multi-site yield trial results 2011

Macalpine, W. J., Shield, I. F., Walsh, L. R. E., Mccracken, A. R., Wilson, H., Gilliland, J., Hughes, A. R., Cunniff, J. and Karp, A. 2011. Rothamsted Research willow (Salix spp.) breeding programme: multi-site yield trial results 2011. Biomass and Energy Crops IV. Aspects of Applied Biology 112 . pp. 263-270

Hypes, hurdles and hopes

Karp, A. 2011. Hypes, hurdles and hopes.

The BBSRC Sustainable Bioenergy Centre (BSBEC): perennial bioenergy crops programme; optimising biomass from Miscanthus

Purdy, S., Clifton-Brown, J., Jones, L., Maddison, A., Davey, C., Cunniff, J., Shield, I. F., Barraclough, T. J. P., Castle, M., Donnison, I. and Karp, A. 2011. The BBSRC Sustainable Bioenergy Centre (BSBEC): perennial bioenergy crops programme; optimising biomass from Miscanthus. Biomass and bioenergy IV. Aspects of Applied Biology 112 . pp. 11-19

Condensed tannins in willow (Salix spp.): a first step to evaluate novel feeds for nutritionally improved animal products

Falchero, L., Brown, R. H., Mueller-Harvey, I., Hanley, S. J., Shield, I. F. and Karp, A. 2011. Condensed tannins in willow (Salix spp.): a first step to evaluate novel feeds for nutritionally improved animal products. Hopkins, A., Krautzer, B. and Potsch, E. M. (ed.) Proceedings 16th Symposium of the European Grassland Federation: Grassland Farming and Land Management Systems in Mountainous Regions, Gumpenstein, 29-31 August 2011 . Wallig Ennstaler Druckerei und Verlag, Grobming. pp. 434-436

The structural diversity of condensed tannins in willows (salix spp.): a first screening to improve the nutritional quality of ruminant products

Falchero, L., Brown, R., Hanley, S. J., Karp, A., Shield, I. F. and Mueller-Harvey, I. 2011. The structural diversity of condensed tannins in willows (salix spp.): a first screening to improve the nutritional quality of ruminant products.

BSBEC-BioMASS - selecting traits to optimise biomass yield of SRC willow

Cunniff, J., Shield, I. F., Barraclough, T. J. P., Castle, M., Hanley, S. J., Andralojc, P. J., Richter, G. M., Cerasuolo, M., Purdy, S., Clifton-Brown, J., Maddison, A., Jones, L., Donnison, I. and Karp, A. 2011. BSBEC-BioMASS - selecting traits to optimise biomass yield of SRC willow. Biomass and Energy Crops IV. Aspects of Applied Biology 112 . pp. 83-91

Meeting the challenge of food and energy security

Karp, A. and Richter, G. M. 2011. Meeting the challenge of food and energy security. Journal of Experimental Botany. 62 (10), pp. 3263-3271.

Willow

Hanley, S. J. 2011. Willow. in: Karp, A. and Halford, N. G. (ed.) Energy crops Royal Society of Chemistry (RSC), Cambridge. pp. 259-274

Investigation of tension wood formation and 2,6-dichlorbenzonitrile application in short rotation coppice willow composition and enzymatic saccharification

Brereton, N. J. B., Pitre, F. E., Ray, M. J., Karp, A. and Murphy, R. J. 2011. Investigation of tension wood formation and 2,6-dichlorbenzonitrile application in short rotation coppice willow composition and enzymatic saccharification. Biotechnology for Biofuels. 4, p. 13 (9pp).

Learning how to deal with values, frames and governance in sustainability appraisal

Bond, A. J., Dockerty, T., Lovett, A., Riche, A. B., Haughton, A. J., Bohan, D. A., Sage, R. B., Shield, I. F., Finch, J. W., Turner, M. M. and Karp, A. 2011. Learning how to deal with values, frames and governance in sustainability appraisal. Regional Studies. 45, pp. 1157-1170.

Genetic mapping of rust resistance loci in biomass willow

Hanley, S. J., Pei, M. H., Powers, S. J., Ruiz, C., Mallott, M. D., Barker, J. H. A. and Karp, A. 2011. Genetic mapping of rust resistance loci in biomass willow. Tree Genetics & Genomes. 7 (3), pp. 597-608.

Effects of canopy architecture traits on willow crop growth

Cerasuolo, M., Richter, G. M., Cunniff, J., Shield, I. F., Barraclough, T. J. P., Castle, M. and Karp, A. 2011. Effects of canopy architecture traits on willow crop growth. Systems Approaches to Crop Improvement. Aspects of Applied Biology 107 . pp. 63-69

Genetic improvement of willow for bioenergy and biofuels

Karp, A., Hanley, S. J., Trybush, S. O., Macalpine, W. J., Pei, M. H. and Shield, I. F. 2011. Genetic improvement of willow for bioenergy and biofuels. Journal of Integrative Plant Biology. 53 (2), pp. 151-165.

Sugar beet

May, M. J. 2011. Sugar beet. in: Karp, A. and Halford, N. G. (ed.) Energy crops. RSC Energy and Environment Series No. 3 Royal Society of Chemistry (RSC), Cambridge. pp. 104-115

Challenges and opportunities for using wheat for biofuel production

Shewry, P. R., Freeman, J., Wilkinson, M. D., Pellny, T. K. and Mitchell, R. A. C. 2011. Challenges and opportunities for using wheat for biofuel production. in: Karp, A. and Halford, N. G. (ed.) Energy crops Royal Society of Chemistry (RSC), Cambridge. pp. 13-26

Energy crops: introduction

Karp, A. and Halford, N. G. 2011. Energy crops: introduction. in: Karp, A. and Halford, N. G. (ed.) Energy crops Royal Society of Chemistry (RSC), Cambridge. pp. 1-12

Energy crops (RSC Energy and Environment Series No 3)

Halford, N. G. and Karp, A. 2011. Energy crops (RSC Energy and Environment Series No 3). Royal Society of Chemistry (RSC), Cambridge.

Characterisation and inheritance of nuclear microsatellite loci for use in population studies of the allotetraploid Salix alba-Salix fragilis complex

King, R. A., Harris, S. L., Karp, A. and Barker, J. H. A. 2010. Characterisation and inheritance of nuclear microsatellite loci for use in population studies of the allotetraploid Salix alba-Salix fragilis complex. Tree Genetics and Genomes. 6, pp. 247-258.

Willow has advanced as an energy crop but is the UK reaping the benefits?

Karp, A., Macalpine, W. J. and Shield, I. F. 2010. Willow has advanced as an energy crop but is the UK reaping the benefits?

Estimating root biomass in Salix viminalis x Salix schwerinii cultivar 'Olof' using the electrical capacitance method

Pitre, F. E., Brereton, N. J. B., Audoire, S., Richter, G. M., Shield, I. F. and Karp, A. 2010. Estimating root biomass in Salix viminalis x Salix schwerinii cultivar 'Olof' using the electrical capacitance method. Plant Biosystems. 144 (2), pp. 479-483.

Mendelian inheritance of rust resistance to Melampsora larici-epitea in crosses between Salix sachalinensis and S. viminalis

Pei, M. H., Ruiz, C., Shield, I. F., Macalpine, W. J., Lindegaard, K., Bayon, C. and Karp, A. 2010. Mendelian inheritance of rust resistance to Melampsora larici-epitea in crosses between Salix sachalinensis and S. viminalis. Plant Pathology. 59 (5), pp. 862-872.

QTL mapping of enzymatic saccharification in short rotation coppice willow and its independence from biomass yield

Brereton, N. J. B., Pitre, F. E., Hanley, S. J., Ray, M. J., Karp, A. and Murphy, R. J. 2010. QTL mapping of enzymatic saccharification in short rotation coppice willow and its independence from biomass yield. BioEnergy Research. 3 (3), pp. 251-261.

The environmental impacts of biomass crops: use by birds of miscanthus in summer and winter in southwestern England

Sage, R., Cunningham, M., Haughton, A. J., Mallott, M. D., Bohan, D. A., Riche, A. B. and Karp, A. 2010. The environmental impacts of biomass crops: use by birds of miscanthus in summer and winter in southwestern England. IBIS. 152 (3), pp. 487-499.

Perennial energy crops: implications and potential

Karp, A., Haughton, A. J., Bohan, D. A., Lovett, A. A., Bond, A. J., Dockerty, T., Sunnenberg, G., Finch, J. W., Sage, R. B., Appleton, K. J., Riche, A. B., Mallott, M. D., Mallott, V. E,., Cunningham, M. D., Clark, S. J. and Turner, M. M. 2009. Perennial energy crops: implications and potential. in: Winter, M. and Lobley, M. (ed.) What is land for? The food, fuel and climate change debate Earthscan Publications Ltd. pp. 47-72

Comparing components of CO2 assimilation in a variety of willow species

Andralojc, P. J., Bencze, S., Guinard, J., Shield, I. F., Karp, A. and Parry, M. A. J. 2009. Comparing components of CO2 assimilation in a variety of willow species. Abstracts Plant Biology 2009, Honolulu, 18-22 July 2009 .

Host selection of the giant willow aphid (Tuberolachnus salignus)

Aradottir, G. I., Karp, A., Hanley, S. J., Shield, I. F., Woodcock, C. M., Dewhirst, S. Y., Collins, M., Leather, S. and Harrington, R. 2009. Host selection of the giant willow aphid (Tuberolachnus salignus).  REDIA, XCII, 2009: 223-225.

Genetic structure and population dynamics of a heteroecious plant pathogen Melampsora larici-epitea in short-rotation coppice willow plantations

Bayon, C., Pei, M. H., Ruiz, C., Hunter, T., Karp, A. and Tubby, I. 2009. Genetic structure and population dynamics of a heteroecious plant pathogen Melampsora larici-epitea in short-rotation coppice willow plantations. Molecular Ecology. 18, pp. 3006-3019.

Land use implications of increased biomass production identified by GIS-based suitability and yield mapping for miscanthus in England

Lovett, A. A., Sunnenberg, G. M., Richter, G. M., Dailey, A. G., Riche, A. B. and Karp, A. 2009. Land use implications of increased biomass production identified by GIS-based suitability and yield mapping for miscanthus in England. Bioenergy Research. 2 (1-2), pp. 17-28.

A novel, integrated approach to assessing social, economic and environmental implications of changing rural land-use: a case study of perennial biomass crops

Haughton, A. J., Bond, A. J., Lovett, A. A., Dockerty, T., Sunnenberg, G., Clark, S. J., Bohan, D. A., Sage, R. B., Mallott, M. D., Mallott, V. E., Cunningham, M. D., Riche, A. B., Shield, I. F., Finch, J. W., Turner, M. M. and Karp, A. 2009. A novel, integrated approach to assessing social, economic and environmental implications of changing rural land-use: a case study of perennial biomass crops. Journal of Applied Ecology. 46 (2), pp. 315-322.

The effect of the size of the cuttings planted on the subsequent performance of three contrasting willow cultivars for short rotation coppice

Shield, I. F., Macalpine, W. J. and Karp, A. 2008. The effect of the size of the cuttings planted on the subsequent performance of three contrasting willow cultivars for short rotation coppice. Biomass and Energy Crops III. Aspects of Applied Biology 90 . Association of Applied Biologists (AAB) Wellesbourne Warwick . pp. 225-231

Overcoming barriers to crossing in willow (Salix spp.) breeding

Macalpine, W. J., Shield, I. F., Trybush, S. O., Hayes, C. M. and Karp, A. 2008. Overcoming barriers to crossing in willow (Salix spp.) breeding. Biomass and Energy Crops III. Aspects of Applied Biology 90 . Association of Applied Biologists (AAB) Wellesbourne Warwick . pp. 173-180

Biomass and energy crops III (Aspects of Applied Biology 90)

Booth, E., Green, M., Karp, A., Shield, I. F. and Stock, D. Turley, D. (ed.) 2008. Biomass and energy crops III (Aspects of Applied Biology 90). Association of Applied Biologists, Wellesbourne.

A genetic study of a Salix germplasm resource reveals new insights into relationships among subgenera, sections and species

Trybush, S., Jahodova, S., Macalpine, W. J. and Karp, A. 2008. A genetic study of a Salix germplasm resource reveals new insights into relationships among subgenera, sections and species. Bioenergy Research. 1, pp. 67-79.

Bioenergy from plants and the sustainable yield challenge

Karp, A. and Shield, I. F. 2008. Bioenergy from plants and the sustainable yield challenge. New Phytologist. 179, pp. 15-32.

RELU-Biomass: social, economic and environmental implications of increasing rural land use under energy crops

Karp, A., Riche, A. B., Shield, I. F., Haughton, A. J., Bohan, D. A., Lovett, A., Sunnenberg, G., Bond, A., Finch, J., Rosier, P., Turner, M., Farrar, J., Martin, G., Sage, R. and Cunningham, M. 2007. RELU-Biomass: social, economic and environmental implications of increasing rural land use under energy crops. Abstracts 16th International Plant Protection Congress (IPPC), Glasgow, 15-18 October 2007 .

Invasive species of Heracleum in Europe: an insight into genetic relationships and invasion history

Jahodova, S., Trybush, S., Pyšek, P., Wade, M. and Karp, A. 2007. Invasive species of Heracleum in Europe: an insight into genetic relationships and invasion history. Diversity and Distributions. 13 (1), pp. 99-114.

Integration of crop models and constraint mapping for the projection of bioenergy production

Richter, G. M., Lovett, A., Sunnenberg, G., Dailey, A. G., Riche, A. B. and Karp, A. 2007. Integration of crop models and constraint mapping for the projection of bioenergy production. Abstracts Farming Systems Design 2007: International Symposium on Methodologies for Integrated Analysis of Farm Production Systems, Catania, Sicily, 10-12 September 2007 .

An anchored linkage map for sugar beet based on AFLP, SNP and RAPD markers and QTL mapping of a new source of resistance to Beet necrotic yellow vein virus

Grimmer, M. K., Trybush, S., Hanley, S. J., Francis, S. A., Karp, A. and Asher, M. J. C. 2007. An anchored linkage map for sugar beet based on AFLP, SNP and RAPD markers and QTL mapping of a new source of resistance to Beet necrotic yellow vein virus. Theoretical and Applied Genetics. 114 (7), pp. 1151-1160.

Alignment of a Salix linkage map to the Populus genomic sequence reveals macrosynteny between willow and poplar genomes

Hanley, S. J., Mallott, M. D. and Karp, A. 2006. Alignment of a Salix linkage map to the Populus genomic sequence reveals macrosynteny between willow and poplar genomes. Tree Genetics & Genomes. 3 (1), pp. 35-48.

Getting the most out of fluorescent amplified fragment length polymorphism

Trybush, S., Hanley, S. J., Cho, K-H., Jahodova, S., Grimmer, M., Emelianov, I., Bayon, C. and Karp, A. 2006. Getting the most out of fluorescent amplified fragment length polymorphism. Canadian Journal Of Botany. 84 (8), pp. 1347-1354.

Differences in the molecular basis of resistance to the cyclohexanedione herbicide sethoxydim in Lolium multiflorum

White, G. M., Moss, S. R. and Karp, A. 2005. Differences in the molecular basis of resistance to the cyclohexanedione herbicide sethoxydim in Lolium multiflorum. Weed Research. 45 (6), pp. 440-448.

Evidence of diversity within the SnRK1b gene family of Hordeum species

Clark, J. S. C., Dani, M., Halford, N. G. and Karp, A. 2005. Evidence of diversity within the SnRK1b gene family of Hordeum species. Genome. 48 (4), pp. 661-673.

Population structure of the beetle pests Phyllodecta vulgatissima and P. vitellinae on UK willow plantations

Batley, J., Edwards, K. J., Barker, J. H. A., Dawson, K. J., Wiltshire, C. W., Glen, D. M. and Karp, A. 2004. Population structure of the beetle pests Phyllodecta vulgatissima and P. vitellinae on UK willow plantations. Insect Molecular Biology. 13 (4), pp. 413-421.

The ecology and population genetics of the blue and brassy willow beetles (Phyllodecta (=Phratora) vulgatissima L.) and P. vitellinae L. on United Kingdom willow (Salix ) plantations

Karp, A. and Peacock, L. 2004. The ecology and population genetics of the blue and brassy willow beetles (Phyllodecta (=Phratora) vulgatissima L.) and P. vitellinae L. on United Kingdom willow (Salix ) plantations. in: Jolivet, P., Schmitt, M. and Santiago-Blay, J. A. (ed.) New developments in the biology of Chrysomelidae SPB Academic, The Hague. pp. 97-104

Defining leaf traits linked to yield in short-rotation coppice Salix

Robinson, K. M., Karp, A. and Taylor, G. 2004. Defining leaf traits linked to yield in short-rotation coppice Salix. Biomass & Bioenergy. 26, pp. 417-431.

A comparative study of interspecies mating of Phratora vulgatissima and P. vitellinae using behavioural tests and molecular markers

Peacock, L., Batley, J., Dungait, J. A. J., Barker, J. H. A., Powers, S. J. and Karp, A. 2004. A comparative study of interspecies mating of Phratora vulgatissima and P. vitellinae using behavioural tests and molecular markers. Entomologia Experimentalis et Applicata. 110 (3), pp. 231-241.

Microsatellite markers for diverse Salix species

Barker, J. H. A., Pahlich, A., Trybush, S., Edwards, K. J. and Karp, A. 2003. Microsatellite markers for diverse Salix species. Molecular Ecology Notes. 3 (1), pp. 4-6.

Geographic variation in phenotypic traits in Phratora spp. and the effects of conditioning on feeding preference

Peacock, L., Carter, P., Powers, S. J. and Karp, A. 2003. Geographic variation in phenotypic traits in Phratora spp. and the effects of conditioning on feeding preference. Entomologia Experimentalis et Applicata. 109 (1), pp. 31-37.

A genetic linkage map of willow (Salix viminalis) based on AFLP and microsatellite markers

Hanley, S. J., Barker, J. H. A., Van Ooijen, J. W., Aldam, C., Harris, S. L., Ahman, I., Larsson, S. and Karp, A. 2002. A genetic linkage map of willow (Salix viminalis) based on AFLP and microsatellite markers. Theoretical and Applied Genetics. 105 (6-7), pp. 1087-1096.

A high degree of genetic diversity is revealed in Isatis spp. (dyer's woad) by amplified fragment length polymorphism (AFLP)

Gilbert, K. G., Garton, S., Karam, M. A., Arnold, G. M., Karp, A., Edwards, K. J., Cooke, D. T. and Barker, J. H. A. 2002. A high degree of genetic diversity is revealed in Isatis spp. (dyer's woad) by amplified fragment length polymorphism (AFLP). Theoretical and Applied Genetics. 104 (6-7), pp. 1150-1156.

Genetic diversity in Echinochloa spp. collected from different geographic origins and within rice fields in Cote d'Ivoire

Danquah, E. Y., Johnson, D. E., Riches, C., Arnold, G. M. and Karp, A. 2002. Genetic diversity in Echinochloa spp. collected from different geographic origins and within rice fields in Cote d'Ivoire. Weed Research. 42 (5), pp. 394-405.

Isolation and characterization of microsatellites in Echinochloa (L.) Beauv. spp.

Danquah, E. Y., Hanley, S. J., Brookes, R. C., Aldam, C. and Karp, A. 2002. Isolation and characterization of microsatellites in Echinochloa (L.) Beauv. spp. Molecular Ecology Notes. 2 (1), pp. 54-56.

The new genetic era: will it help us in managing plant genetic diversity?

Karp, A. 2001. The new genetic era: will it help us in managing plant genetic diversity? Jackson, M., Engels, J., Brown, A. H. D. and RamanathaRao, V. (ed.) Managing plant genetic diversity . CABI International, Wallingford, Oxon (CABI). pp. 43-56

Essentials of genetics

Jones, R. N., Karp, A. and Giddings, G. 2001. Essentials of genetics. John Murray, London.

The molecular ecology of willow beetles (Phyllodecta spp.)

Green, J. M., Batley, J., Peacock, L., Carter, P., Glen, D. M. and Karp, A. 2001. The molecular ecology of willow beetles (Phyllodecta spp.).

The molecular ecology of willow beetles (Phyllodecta spp.)

Green, J. M., Batley, J., Peacock, L., Carter, P., Glen, D. M. and Karp, A. 2001. The molecular ecology of willow beetles (Phyllodecta spp.). Abstracts Royal Entomological Society Annual Meeting on Insect Molecular Ecology, Cardiff, 28 September 2001 .

Variation in oil palm (Elaeis guineensis Jacq.) tissue culture-derived regenerants revealed by AFLPs with methylation-sensitive enzymes

Matthes, M. C., Singh, R., Cheah, S. C. and Karp, A. 2001. Variation in oil palm (Elaeis guineensis Jacq.) tissue culture-derived regenerants revealed by AFLPs with methylation-sensitive enzymes. Theoretical and Applied Genetics. 102 (6-7), pp. 971-979.

Microsatellites for the slugs Deroceras reticulatum and Arion intermedius

Brookes, R. C., Barker, J. H. A., Bohan, D. A., Glen, D. M. and Karp, A. 2001. Microsatellites for the slugs Deroceras reticulatum and Arion intermedius. Molecular Ecology Notes. 1, pp. 300-302.

Microsatellite analysis of the inbreeding grass weed Barren Brome (Anisantha sterilis ) reveals genetic diversity at the within- and between-farm scales

Green, J. M., Barker, J. H. A., Marshall, E. J. P., Froud-Williams, R. J., Peters, N. C. B., Arnold, G. M., Dawson, K. and Karp, A. 2001. Microsatellite analysis of the inbreeding grass weed Barren Brome (Anisantha sterilis ) reveals genetic diversity at the within- and between-farm scales. Molecular Ecology. 10 (4), pp. 1035-1045.

Molecular tools for detecting genetic diversity

Karp, A. 2000. Molecular tools for detecting genetic diversity. in: Cassells, A. C., Doyle, B. M. and Curry, R. F. (ed.) Proceedings of the International Symposium on Methods and Markers for Quality Assurance in Micropropagation International Society for Horticultural Science.

An analysis of genetic diversity in coconut (Cocos nucifera) populations from across the geographic range using sequence-tagged microsatellites (SSRs) and AFLPs

Teulat, B., Aldam, C., Trehin, R., Lebrun, P., Barker, J. H. A., Arnold, G. M., Karp, A., Baudouin, L. and Rognon, F. 2000. An analysis of genetic diversity in coconut (Cocos nucifera) populations from across the geographic range using sequence-tagged microsatellites (SSRs) and AFLPs. Theoretical and Applied Genetics. 100 (5), pp. 764-771.

Microsatellites for barren brome (Anisantha sterilis)

Green, J. M., Edwards, K. J., Usher, S. L., Barker, J. H. A., Marshall, E. J. P., Froud-Williams, R. J. and Karp, A. 2000. Microsatellites for barren brome (Anisantha sterilis). Molecular Ecology. 9 (12), pp. 2195-2197.

Biodiversity in agricultural systems: new challenges for genome diversity studies

Karp, A. 2000. Biodiversity in agricultural systems: new challenges for genome diversity studies. Flavell, R. B. and Gustafson, J. P. (ed.) Genomes: Proceedings of the 22nd Stadler Genetics Symposium . Kluwer Academic Publishers, Dordrecht, Netherlands. pp. 99-108

Isolation and characterization of polymorphic microsatellites in Cocos nucifera L.

Rivera, R., Edwards, K. J., Barker, J. H. A., Arnold, G. M., Ayad, G., Hodgkin, T. and Karp, A. 1999. Isolation and characterization of polymorphic microsatellites in Cocos nucifera L. Genome. 42 (4), pp. 668-675.

Characterisation of genetic diversity in potential biomass willows (Salix spp.) by RAPD and AFLP analyses

Barker, J. H. A., Matthes, M., Arnold, G. M., Edwards, K. J., Ahman, I., Larsson, S. and Karp, A. 1999. Characterisation of genetic diversity in potential biomass willows (Salix spp.) by RAPD and AFLP analyses. Genome. 42 (2), pp. 173-183.

A study of genetic diversity in Populus nigra subsp. betulifolia in the upper severn area of the UK using AFLP markers

Winfield, M. O., Arnold, G. M., Cooper, F., Le Ray, M., White, J., Karp, A. and Edwards, K. J. 1998. A study of genetic diversity in Populus nigra subsp. betulifolia in the upper severn area of the UK using AFLP markers. Molecular Ecology. 7 (1), pp. 3-10.

Technical Notes. Isolation and characterization of microsatellite loci in the wheat pathogen Mycosphaerella graminicola

Owen, P. G., Pei, M. H., Karp, A., Royle, D. J. and Edwards, K. J. 1998. Technical Notes. Isolation and characterization of microsatellite loci in the wheat pathogen Mycosphaerella graminicola. Molecular Ecology. 7 (11), pp. 1611-1612.

Primer Notes. The isolation and characterization of microsatellite loci in the willow beetles, Phyllodecta vulgatissima (L.) and P-vitellinae (L.)

Batley, J., Edwards, K. J., Wiltshire, C. W., Glen, D. and Karp, A. 1998. Primer Notes. The isolation and characterization of microsatellite loci in the willow beetles, Phyllodecta vulgatissima (L.) and P-vitellinae (L.). Molecular Ecology. 7 (10), pp. 1434-1436.

Molecular tools for screening biodiversity: plants and animals

Karp, A., Isaac, P. G. and Ingram, D. S. (ed.) 1998. Molecular tools for screening biodiversity: plants and animals. Chapman & Hall, London.

Molecular technologies for biodiversity evaluation: Opportunities and challenges

Karp, A., Edwards, K. J., Bruford, M., Funk, S., Vosman, B., Morgante, M., Seberg, O., Kremer, A., Boursot, P., Arctander, P., Tautz, D. and Hewitt, G. M. 1997. Molecular technologies for biodiversity evaluation: Opportunities and challenges. Nature Biotechnology. 15 (7), pp. 625-628.

Reproducibility testing of RAPD, AFLP and SSR markers in plants by a network of European laboratories

Jones, C. J., Edwards, K. J., Castaglione, S., Winfield, M. O., Sala, F., van de Wiel, C., Bredemeijer, G., Vosman, B., Matthes, M., Daly, A., Brettschneider, R., Bettini, P., Buiatti, M., Maestri, E., Malcevschi, A., Marmiroli, N., Aert, R., Volckaert, G., Rueda, J., Linacero, R., Vazquez, A. and Karp, A. 1997. Reproducibility testing of RAPD, AFLP and SSR markers in plants by a network of European laboratories. Molecular Breeding. 3 (5), pp. 381-390.

AFLP analysis sheds light on distribution of two Salix species and their hybrid along a natural gradient

Beismann, H., Barker, J. H. A., Karp, A. and Speck, T. 1997. AFLP analysis sheds light on distribution of two Salix species and their hybrid along a natural gradient. Molecular Ecology. 6 (10), pp. 989-993.

Molecular tools in plant genetic resources conservation: a guide to the technologies

Karp, A., Kresovich, S., Bhat, K. V., Ayad, W. G. and Hodgkin, T. 1997. Molecular tools in plant genetic resources conservation: a guide to the technologies. Rome, IPGRI.

Analysis of cereal chromosomes by atomic force microscopy

Mcmaster, T. J., Winfield, M. O., Karp, A. and Miles, M. J. 1996. Analysis of cereal chromosomes by atomic force microscopy. Genome. 39 (2), pp. 439-444.

Molecular Techniques in the Assessment of Botanical Diversity

Karp, A., Seberg, O. L. E. and Buiatti, M. 1996. Molecular Techniques in the Assessment of Botanical Diversity. Annals of Botany. 78 (2), pp. 143-149.

A comparative study of the mitochondrial genome organization in in vitro cultures of diploid, tetraploid, and hexaploid Triticum species

Hartmann, C., Winfield, M., Corre, F., Davey, M. R., Rode, A. and Karp, A. 1996. A comparative study of the mitochondrial genome organization in in vitro cultures of diploid, tetraploid, and hexaploid Triticum species. Theoretical and Applied Genetics. 93 (5-6), pp. 968-974.

Microsatellite libraries enriched for several microsatellite sequences in plants

Edwards, K. J., Barker, J. H. A., Daly, A., Jones, C. and Karp, A. 1996. Microsatellite libraries enriched for several microsatellite sequences in plants. BioTechniques. 20 (5), pp. 758-760.

Nonrandom chromosome variation and morphogenic potential in cell-lines of bread wheat (Triticum aestivum L.)

Winfield, M. O., Schmitt, M., Lorz, H., Davey, M. R. and Karp, A. 1995. Nonrandom chromosome variation and morphogenic potential in cell-lines of bread wheat (Triticum aestivum L.). Genome. 38 (5), pp. 869-878.

Chromosome 5D instability in cell-lines of Triticum tauschii and morphological variation in regenerated plants

Winfield, M. O., Karp, A., Lazzeri, P. A. and Davey, M. R. 1995. Chromosome 5D instability in cell-lines of Triticum tauschii and morphological variation in regenerated plants. Genome. 38 (4), pp. 737-742.

Atomic-force microscopy of plant chromosomes

Winfield, M., Mcmaster, T. J., Karp, A. and Miles, M. J. 1995. Atomic-force microscopy of plant chromosomes. Chromosome Research. 3 (2), pp. 128-131.

Analysis of rye B-chromosome structure using fluorescence in situ hybridization (FISH)

Wilkes, T. M., Francki, M. G., Langridge, P., Karp, A., Jones, R. N. and Forster, J. W. 1995. Analysis of rye B-chromosome structure using fluorescence in situ hybridization (FISH). Chromosome Research. 3 (8), pp. 466-472.

Biotechnology, biodiversity, and conversation

Karp, A. and Ingram, D. S. 1995. Biotechnology, biodiversity, and conversation. Bio-Technology. 13 (5), pp. 522-522.

Somaclonal variation as a tool for crop improvement

Karp, A. 1995. Somaclonal variation as a tool for crop improvement. Euphytica. 85 (1-3), pp. 295-302.

Cytological and molecular evidence of deletion of ribosomal RNA genes in chromosome 6 of barley (Hordeum vulgare)

Gecheff, K., Hvarleva, T., Georgiev, S., Wilkes, T. and Karp, A. 1994. Cytological and molecular evidence of deletion of ribosomal RNA genes in chromosome 6 of barley (Hordeum vulgare). Genome. 37 (3), pp. 419-425.

Analysis of the mitochondrial DNA of the somatic hybrids of Solanum brevidens and s. tuberosum using non-radioactive digoxigenin-labeled DNA probes

Xu, Y-S., Jones, M. G. K., Karp, A. and Pehu, E. 1993. Analysis of the mitochondrial DNA of the somatic hybrids of Solanum brevidens and s. tuberosum using non-radioactive digoxigenin-labeled DNA probes. Theoretical and Applied Genetics. 85 (8), pp. 1017-1022.

A comparison of chromosome instability in cell suspensions of diploid, tetraploid and hexaploid wheats

Winfield, M., Davey, M. R. and Karp, A. 1993. A comparison of chromosome instability in cell suspensions of diploid, tetraploid and hexaploid wheats. Heredity. 70, pp. 187-194.

Effect of genotype on chromosome variation in tissue-culture of inbred and outbred rye

Puolimatka, M. and Karp, A. 1993. Effect of genotype on chromosome variation in tissue-culture of inbred and outbred rye. Heredity. 71, pp. 138-144.

Identification of the E3900 family, a second family of rye B chromosome specific repeated sequences

Blunden, R., Wilkes, T. J., Forster, J. W., Jimenez, M. M., Sandery, M. J., Karp, A. and Jones, R. N. 1993. Identification of the E3900 family, a second family of rye B chromosome specific repeated sequences. Genome. 36 (4), pp. 706-711.

Variation in telomeric heterochromatin in somaclones of rye

Karp, A., Owen, P. G., Steele, S. H., Bebeli, P. J. and Kaltsikes, P. J. 1992. Variation in telomeric heterochromatin in somaclones of rye. Genome. 35 (4), pp. 590-593.

Chromosomal assignment of genes in barley using telosomic wheat-barley addition lines

Cannell, M., Karp, A., Isaac, P. G. and Shewry, P. R. 1992. Chromosomal assignment of genes in barley using telosomic wheat-barley addition lines. Genome. 35 (1), pp. 17-23.

Regeneration, stability and transformation of barley

Karp, A. and Lazzeri, P. A. 1992. Regeneration, stability and transformation of barley. in: Shewry, P. R. (ed.) Barley, genetics, biochemistry, molecular biology and biotechnology CABI International, Wallingford, Oxon (CABI). pp. 549-571

Somaclonal variation from cultured immature embryos of sister lines of rye differing in heterochromatic content

Bebeli, P. J., Karp, A. and Kaltsikes, P. J. 1990. Somaclonal variation from cultured immature embryos of sister lines of rye differing in heterochromatic content. Genome. 33 (2), pp. 177-183.

Species-specific sequences in the genus solanum - identification, characterization, and application to study somatic hybrids of solanum-brevidens and solanum-tuberosum

Pehu, E., Thomas, M., Poutala, T., Karp, A. and Jones, M. G. K. 1990. Species-specific sequences in the genus solanum - identification, characterization, and application to study somatic hybrids of solanum-brevidens and solanum-tuberosum. Theoretical and Applied Genetics. 80 (5), pp. 693-698.

The application of protoplast technology to potato improvement

Jones, M. G. K., Jones, H., Dunckley, R., Karp, A. and Pehu, E. 1990. The application of protoplast technology to potato improvement. European Association of Potato Research Meeting, Edinburgh, 1990. Abstract. pp. 96

Application of linkage group specific RFLPs to study assymetric hybrids of S. tuberosum and S. brevidens

Pehu, E., Malone, R., Karp, A. and Jones, M. G. K. 1990. Application of linkage group specific RFLPs to study assymetric hybrids of S. tuberosum and S. brevidens. European Association of Potato Research Meeting, Edinburgh, 1990. Abstract. pp. 13

Studies on the genetic basis of resistance to potato leaf roll virus, potato virus Y and potato virus X in Solanum brevidens using somatic hybrids of Solanum brevidens and Solanum tuberosum.

Pehu, E., Gibson, R. W., Jones, M. G. K. and Karp, A. 1990. Studies on the genetic basis of resistance to potato leaf roll virus, potato virus Y and potato virus X in Solanum brevidens using somatic hybrids of Solanum brevidens and Solanum tuberosum. Plant Science. 69 (1), pp. 95-101.

Physical mapping of the B-hordein loci on barley chromosome 5 by in situ hybridization

Clark, M., Karp, A. and Archer, S. 1989. Physical mapping of the B-hordein loci on barley chromosome 5 by in situ hybridization. Genome. 32 (5), pp. 925-929.

Molecular, cytogenetic and morphological characterization of somatic hybrids of dihaploid Solanum tuberosum and diploid S. brevidens.

Pehu, E., Karp, A., Moore, K., Steele, S., Dunckley, R. and Jones, M. G. K. 1989. Molecular, cytogenetic and morphological characterization of somatic hybrids of dihaploid Solanum tuberosum and diploid S. brevidens. Theoretical and Applied Genetics. 78 (5), pp. 696-704.

Cytogenetical analysis of parental genome stabilities in somatic hybrids of Solanum tuberosum and S. brevidens using species-specific probes.

Pehu, E., Karp, A., Thomas, M., Clarke, M. and Jones, M. G. K. 1989. Cytogenetical analysis of parental genome stabilities in somatic hybrids of Solanum tuberosum and S. brevidens using species-specific probes. In Proceedings of the 10th International Chromosome Symposium, Uppsala, 1989, Abstract p 103.

Improving potatoes.

Jones, M. G. K., Dunckley, R., Steele, S., Pehu, E., Karp, A. and Gibson, R. W. 1989. Improving potatoes.  Proceedings of the International Biological Conference, Leicester, 1989. Abstract p.7..

Identification and characterisation of Solanum brevidens and Solanum tuberosum specific DNA sequences and their use in a somatic hybridisation programme.

Pehu, E., Karp, A., Gibson, R. W., Thomas, M., Malone, R. and Jones, M. G. K. 1989. Identification and characterisation of Solanum brevidens and Solanum tuberosum specific DNA sequences and their use in a somatic hybridisation programme. Proceedings of the 1st International Symposium on the Molecular Biology of thge Potato, Maine. Abstract p.67..

Cytogenetical analysis of parental genome stabilities in somatic hybrids of Solanum tuberosum and S. brevidens using species-specific probes.

Pehu, E., Gibson, R. W., Karp, A. and Jones, M. G. K. 1989. Cytogenetical analysis of parental genome stabilities in somatic hybrids of Solanum tuberosum and S. brevidens using species-specific probes. Proceedings of the 1st International Symposium on the Molecular Biology of thge Potato, Maine. Abstract p.38..

Morphogenetic response of isogenic lines of Triticale differing in their content of heterochromatin.

Bebeli, P. J., Karp, A. and Kaltsikes, P. J. 1989. Morphogenetic response of isogenic lines of Triticale differing in their content of heterochromatin. Proceedings of the 7th International Wheat Genetics Symposium. Vol.1. T. E. Miller & R.M.D. Koebner eds. IPRS, Cambridge.. pp. 715-718

Variability in potato tissue culture

Karp, A., Jones, M. G. K., Foulger, D., Fish, N. and Bright, S. W. J. 1989. Variability in potato tissue culture. American Potato Journal. 66 (10), pp. 669-684.

Genetic manipulation of arable crop plants by protoplast fusion and direct gene transfer.

Jones, M. G. K., Jones, H., Lee, B. T., Lindsey, K., Potter, R. H., Karp, A. and Pehu, E. 1989. Genetic manipulation of arable crop plants by protoplast fusion and direct gene transfer. Journal of Cellular Biochemistry. 13D (Supplement), p. 262.

Isolation, culture and regeneration of plants from potato protoplasts

Jones, H., Karp, A. and Jones, M. G. K. 1989. Isolation, culture and regeneration of plants from potato protoplasts. Plant Cell Reports. 8 (5), pp. 307-311.

The 15th Congress of the Scandinavian Society for Plant Physiology (Abstracts). Variation in chromosome-number in somatic hybrids of dihaploid potato solanum tuberosum and solanum brevidens

Pehu, E., Potter, R., Karp, A. and Jones, M. G. K. 1988. The 15th Congress of the Scandinavian Society for Plant Physiology (Abstracts). Variation in chromosome-number in somatic hybrids of dihaploid potato solanum tuberosum and solanum brevidens. Physiologia Plantarum. 73 (2), pp. A22-A22.

Chromosome number and parental nuclear and chloroplast DNA contributions in somatic hybrids of dihaploid S. tuberosum and S. brevidens .

Pehu, E., Karp, A. and Jones, M. G. K. 1988. Chromosome number and parental nuclear and chloroplast DNA contributions in somatic hybrids of dihaploid S. tuberosum and S. brevidens . Abstracts Eucarpia Meeting on Genetic Manipulation in Plant Breeding, Elsinore, Denmark, 1988, 111. .

Variation in chromosome number in somatic hybrids of diploid potato (Solanum tuberosum and S. brevidens ).

Pehu, E., Potter, R., Karp, A. and Jones, M. G. K. 1988. Variation in chromosome number in somatic hybrids of diploid potato (Solanum tuberosum and S. brevidens ).  Proceedings 15th Congress of the Scandanavian Society of Plant Physiology, Turku, Finland, 1988, 22A.. Wiley.

Chromosome variation in dividing protoplasts and cell suspensions of wheat.

Karp, A., Wu, Q. S., Steele, S. H. and Jones, M. G. K. 1988. Chromosome variation in dividing protoplasts and cell suspensions of wheat.

Transformation in potato.

Ooms, G., Risiott, R., Karp, A. and Phelpstead, J. 1988. Transformation in potato. Abstracts 2nd International congress plant molecular biology, Jerusalem, 1988, 588.

Molecular characterisation of somatic hybrids of Solanum tuberosum and S. brevidens.

Pehu, E., Clark, M., Karp, A. and Jones, M. G. K. 1988. Molecular characterisation of somatic hybrids of Solanum tuberosum and S. brevidens. Abstracts 2nd International congress plant molecular biology, Jerusalem, 1988, 432.

Origins and causes of chromosome instability in plant tissue culture and regeneration.

Karp, A. 1988. Origins and causes of chromosome instability in plant tissue culture and regeneration.

Isolation, culture and morphogenesis from wheat protoplasts, and study of expression of DNA constructs by direct gene transfer

Lee, B. T., Murdoch, K., Topping, J., De Both, M. T. J., Wu, Q. S., Karp, A., Steele, S., Symonds, C., Kreis, M. and Jones, M. G. K. 1988. Isolation, culture and morphogenesis from wheat protoplasts, and study of expression of DNA constructs by direct gene transfer. Plant Cell, Tissue and Organ Culture. 12 (2), pp. 223-226.

Production of somatic hybrids by electrofusion in Solanum

Fish, N., Karp, A. and Jones, M. G. K. 1988. Production of somatic hybrids by electrofusion in Solanum. Theoretical and Applied Genetics. 76 (2), pp. 260-266.

Test-tube improvements of arable crops: developments for the 21st century.

Karp, A., Jones, M. G. K. and Ooms, G. 1988. Test-tube improvements of arable crops: developments for the 21st century.

Plant regeneration and somaclonal variation from cultured immature embryos of sister lines of rye and triticale differing in their content of heterochromatin. 1. Morphogenetic response.

Bebeli, P. J., Karp, A. and Kaltsikes, P. J. 1988. Plant regeneration and somaclonal variation from cultured immature embryos of sister lines of rye and triticale differing in their content of heterochromatin. 1. Morphogenetic response. Theoretical and Applied Genetics. 75, pp. 929-936.

Improvement of the seed protein-quality of barley + wheat by genetic-engineering

Shewry, P. R., Tatham, A. S., Karp, A. and Jones, M. G. K. 1987. Improvement of the seed protein-quality of barley + wheat by genetic-engineering. Cereal Foods World. 32 (9), pp. 674-674.

Chromosome variation in dividing protoplasts and cell suspensions of wheat.

Karp, A., Wu, Q. S., Steele, S. H. and Jones, M. G. K. 1987. Chromosome variation in dividing protoplasts and cell suspensions of wheat. Theoretical and Applied Genetics. 74 (1), pp. 140-146.

Genetic transformation in two potato cultivars with T-DNA from disarmed Agrobacterium

Ooms, G., Burrell, M. M., Karp, A., Bevan, M. and Hille, J. 1987. Genetic transformation in two potato cultivars with T-DNA from disarmed Agrobacterium. Theoretical and Applied Genetics. 73 (5), pp. 744-750.

Relative stability among barley plants regenerated from cultured immature embryos

Karp, A., Steele, S. H., Parmar, S., Jones, M. G. K., Shewry, P. R. and Breiman, A. 1987. Relative stability among barley plants regenerated from cultured immature embryos. Genome. 29 (3), pp. 405-412.

Heritable somaclonal variation in wild barley (Hordeum spontaneum)

Breiman, A., Rotem-Abarbanell, D., Karp, A. and Shashkin, H. 1987. Heritable somaclonal variation in wild barley (Hordeum spontaneum). Theoretical and Applied Genetics. 74 (1), pp. 104-122.

Cytology of wheat suspensions and cultured protoplasts.

Karp, A., Wu, Q. S. and Jones, M. G. K. 1987. Cytology of wheat suspensions and cultured protoplasts.

Cell and molecular biology : what do they have in store for the grain trade?

Karp, A. and Shewry, P. R. 1987. Cell and molecular biology : what do they have in store for the grain trade?

Potato protoplasts and tissue culture in crop improvement

Karp, A., Jones, M. G. K., Foulger, D., Ooms, G. and Bright, S. W. J. 1987. Potato protoplasts and tissue culture in crop improvement. Biotechnology and Genetic Engineering Reviews. 5 (1), pp. 1-32.

Electrofusion and electroporation of crop plant protoplasts.

Jones, M. G. K., Karp, A., Jones, H., Cooper-Bland, S., Lindsey, K., Wu, Q. S., Lee, B. T., Deboth, M. T. J. and Fish, N. 1987. Electrofusion and electroporation of crop plant protoplasts.

Chromosome variation in regenerated plants.

Karp, A. 1987. Chromosome variation in regenerated plants.

A study on the effect of different initial culture media on chromosome stability of Solanum tuberosum cv. Maris Bard protoplast derived regenerants.

Fish, N. and Karp, A. 1987. A study on the effect of different initial culture media on chromosome stability of Solanum tuberosum cv. Maris Bard protoplast derived regenerants.

Isolation, culture and morphogenesis from wheat protoplasts and study of expression of DNA constructs by direct gene transfer.

Lee, B. T., Murdoch, K., Topping, J., Deboth, M. T. J., Wu, Q. S., Karp, A., Steele, S., Symonds,C., Kreis, M. and Jones, M. G. K. 1987. Isolation, culture and morphogenesis from wheat protoplasts and study of expression of DNA constructs by direct gene transfer.

Improved isolation of dihaploid solanum tubersoum protoplasts and the production of somatic hybrids between dihaploid S. tuberosum and S. brevidens

Fish, N., Karp, A. and Jones, M. G. K. 1987. Improved isolation of dihaploid solanum tubersoum protoplasts and the production of somatic hybrids between dihaploid S. tuberosum and S. brevidens. In Vitro Cellular and Developmental Biology Animal. 23 (8), pp. 575-580.

Ploidy variation in Solanum brevidens plants regenerated from protoplasts using an improved culture system

Nelson, R. S., Karp, A. and Bright, S. W. J. 1986. Ploidy variation in Solanum brevidens plants regenerated from protoplasts using an improved culture system. Journal of Experimental Botany. 37 (175), pp. 253-261.

Genetic manipulation in potato.

Ooms, G., Burrell, M. M., Karp, A., Twell, D. and Roberts, J. 1986. Genetic manipulation in potato.

Mutation and tissue culture.

Bright, S. W. J., Ooms, G., Foulger, D., Karp, A. and Evans, N. 1986. Mutation and tissue culture.

Genetic manipulation in potato with Agrobacterium rhizogenes

Ooms, G., Bossen, M. E., Burrell, M. M. and Karp, A. 1986. Genetic manipulation in potato with Agrobacterium rhizogenes. Potato Research. 29 (3), pp. 367-379.

Improvements in regeneration from protoplasts of potato and studies on chromosome stability. 1. The effect of initial culture media

Fish, N. and Karp, A. 1986. Improvements in regeneration from protoplasts of potato and studies on chromosome stability. 1. The effect of initial culture media. Theoretical and Applied Genetics. 72 (3), pp. 405-412.

Biotechnology's potential for crop improvement.

Bright, S. W. J., Jones, M. G. K., Ooms, G., Maddock, S. E., Karp, A., Foulger, D. and Miflin, B. J. 1986. Biotechnology's potential for crop improvement.

Chromosome variation in regenerated plants.

Karp, A. 1986. Chromosome variation in regenerated plants.

Cellular engineering by gamma fusion and egg transformation : recent experimental data and applications in plant breeding.

Famaeler, I., Cammaerts, D., Karp, A., Sidorov, V., De Brouwer, D., Negrutiu, I. and Jacobs, M. 1986. Cellular engineering by gamma fusion and egg transformation : recent experimental data and applications in plant breeding.

Chromosome variation in plants regenerated from protoplasts and cultured plant tissues.

Karp, A. 1986. Chromosome variation in plants regenerated from protoplasts and cultured plant tissues.

Cellular engineering by means of gamma fusion : genetic variation in fusion products.

Famaeler, I., Karp, A., Sidorov, V., Negrutiu, I., Cammaerts, D. and Jacobs, M. 1986. Cellular engineering by means of gamma fusion : genetic variation in fusion products.

Protoplast fusion of Solanum species.

Foulger, D., Fish, N., Karp, A., Bains, A., Cooper-Bland, S., Bright, S. W. J. and Jones, M. G. K. 1986. Protoplast fusion of Solanum species.

Introducing genetics

Jones, R. N. and Karp, A. 1986. Introducing genetics. London John Murray.

Plant tissue culture technology and crop improvement

Jones, M. G. K. and Karp, A. 1985. Plant tissue culture technology and crop improvement. in: Mizrahi, A. and van Wezel, A. L. (ed.) Advances in Biotechnological Processes: Volume 5 New York Alan R. Liss, Inc.. pp. 91-121

Shoot formation from explant cultures of fourteen potato cultivars and studies of the cytology and morphology of regenerated plants

Wheeler, V. A., Evans, N. E., Foulger, D., Webb, K. J., Karp, A., Franklin, J. and Bright, S. W. J. 1985. Shoot formation from explant cultures of fourteen potato cultivars and studies of the cytology and morphology of regenerated plants. Annals of Botany. 55 (3), pp. 309-320.

Agriculture Group Symposium. Potential Impact of Biotechnology upon Agriculture: Novel Ways of Manipulating Plants

Miflin, B. J., Jones, M. G. K., Ooms, G., Karp, A., Maddock, S. E. and Bright, S. W. J. 1985. Agriculture Group Symposium. Potential Impact of Biotechnology upon Agriculture: Novel Ways of Manipulating Plants. Journal of the Science of Food and Agriculture. 36 (8), pp. 651-652.

Karyotypic changes in potato plants regenerated from protoplasts

Creissen, G. P. and Karp, A. 1985. Karyotypic changes in potato plants regenerated from protoplasts. Plant Cell, Tissue and Organ Culture. 4 (2), pp. 171-182.

On the causes and origins of somaclonal variation

Karp, A. and Bright, S. W. J. 1985. On the causes and origins of somaclonal variation. in: Miflin, B. J. (ed.) Oxford Surveys of Plant Molecular and Cell Biology: Volume 2 Oxford Oxford University Press (OUP). pp. 199-234

Expression of shoot-inducing Ti TL-DNA in differentiated tissues of potato (Solanum tuberosum cv Maris Bard)

Burrell, M. M., Twell, D., Karp, A. and Ooms, G. 1985. Expression of shoot-inducing Ti TL-DNA in differentiated tissues of potato (Solanum tuberosum cv Maris Bard). Plant Molecular Biology. 5 (4), pp. 213-222.

Genetic manipulation in cultivars of oilseed rape (Brassica napus) using Agrobacterium

Ooms, G., Bains, A., Burrell, M., Karp, A., Twell, D. and Wilcox, E. 1985. Genetic manipulation in cultivars of oilseed rape (Brassica napus) using Agrobacterium. Theoretical and Applied Genetics. 71, pp. 325-329.

Genetic modification of potato development using Ri T-DNA

Ooms, G., Karp, A., Burrell, M. M., Twell, D. and Roberts, J. 1985. Genetic modification of potato development using Ri T-DNA. Theoretical and Applied Genetics. 70, pp. 440-446.

Chromosome doubling in monohaploid and dihaploid potatoes by regeneration from cultured leaf explants

Karp, A., Risiott, R., Jones, M. G. K. and Bright, S. W. J. 1984. Chromosome doubling in monohaploid and dihaploid potatoes by regeneration from cultured leaf explants. Plant Cell, Tissue and Organ Culture. 3 (4), pp. 363-373.

Chromosome variation in wheat plants regenerated from cultured immature embryos

Karp, A. and Maddock, S. E. 1984. Chromosome variation in wheat plants regenerated from cultured immature embryos. Theoretical and Applied Genetics. 67 (2-3), pp. 249-255.

From tumor to tuber; tumor cell characteristics and chromosome numbers of crown gall-derived tetraploid potato plants (Solanum tuberosum cv. 'Maris Bard')

Ooms, G., Karp, A. and Roberts, J. 1983. From tumor to tuber; tumor cell characteristics and chromosome numbers of crown gall-derived tetraploid potato plants (Solanum tuberosum cv. 'Maris Bard'). Theoretical and Applied Genetics. 66 (2), pp. 169-172.

Cytogenetics of Lolium perenne. Part 2: Chiasma distribution in inbred lines

Karp, A. and Jones, R. N. 1983. Cytogenetics of Lolium perenne. Part 2: Chiasma distribution in inbred lines. Theoretical and Applied Genetics. 64 (2), pp. 137-145.

Cytogenetics of Lolium perenne. Part 3: Correlation between chiasmata and u-type exchange

Karp, A. and Jones, R. N. 1983. Cytogenetics of Lolium perenne. Part 3: Correlation between chiasmata and u-type exchange. Theoretical and Applied Genetics. 65 (2), pp. 149-156.

The effects of nucleotype and genotype upon pollen grain development in Hyacinth and Scilla

Karp, A., Rees, H. and Jewell, A. W. 1982. The effects of nucleotype and genotype upon pollen grain development in Hyacinth and Scilla. Heredity. 48 (APR), pp. 251-261.

Chromosome variation in protoplast-derived potato plants

Karp, A., Nelson, R. S., Thomas, E. and Bright, S. W. J. 1982. Chromosome variation in protoplast-derived potato plants. Theoretical and Applied Genetics. 63 (3), pp. 265-272.

Cytogenetics Of Lolium perenne. Part 1: Chiasma frequency variation in inbred lines

Karp, A. and Jones, R. N. 1982. Cytogenetics Of Lolium perenne. Part 1: Chiasma frequency variation in inbred lines. Theoretical and Applied Genetics. 62 (2), pp. 177-183.

Variation in chiasma distribution in inbred perennial ryegrass

Karp, A. and Jones, R. N. 1981. Variation in chiasma distribution in inbred perennial ryegrass. Heredity. 47 (AUG), pp. 152-152.