Items where Author is "Clark, Ian"

Number of items: 134.
Article
  • Niche-conserved bacterial consortia enhanced maize agro-physiological performance and soil biological P-related traits under low-P conditions. (2025) Nkir, Dounia, Aallam, Y., Idbella, M., Alegria-Terrazas, Rodrigo, Benbrik, B., Ibnyasser, A., Haddine, M., Reid, T. E., Lund, George, b, T. H. M., c, J. H., Pawlett, M., Clark, Ian, Lyamlouli, K., Rchiad, Z., Bargaz, A.
  • Uncovering functional deterioration in the rhizosphere microbiome associated with post-green revolution wheat cultivars. (2025) Smith, Monique, Nessner-Kavamura-Noguchi, Vanessa, Hughes, David, Mendes, Rodrigo, Lund, George, Clark, Ian, Mauchline, Tim
  • Unlocking the agro-physiological potential of wheat rhizoplane fungi under low P conditions using a niche-conserved consortium approach. (2025) Benbrik, B., Reid, T. E., Nkir, Dounia, Chaouki, H., Aallam, Y., Clark, Ian, Mauchline, Tim, Harris, J., Pawlett, M., Barakat, A., Rchiad, Z., Bargaz, A.
  • Changes in the potato rhizosphere microbiota richness and diversity occur in a growth stage-dependent manner - Author correction. (2025) Bak, Gye-Ryeong, Lee, K. K., Clark, Ian, Mauchline, Tim, Nessner-Kavamura-Noguchi, Vanessa, Jee, S., Lee, J., Kim, H., Lee, Y.
  • Changes in the potato rhizosphere microbiota richness and diversity occur in a growth stage-dependent manner. (2025) Bak, Gye-Ryeong, Lee, K. K., Clark, Ian, Mauchline, Tim, Nessner-Kavamura-Noguchi, Vanessa, Jee, S., Lee, J., Kim, H., Lee, Y.
  • Geographic bioprospection of maize rhizoplane-associated bacteria for consortia construction and impact on plant growth and nutrient uptake under low P availability. (2024) Nkir, Dounia, Aallam, Y., Ibnyasser, A., Haddine, M., Benbrik, B., Barakat, A., Reid, Tessa, Lund, George, Mauchline, Tim, Clark, Ian, Bargaz, A., Rchiad, Z. picture_as_pdf
  • Identification and genomic analysis of a thermophilic bacterial strain that reduces ammonia loss from composting. (2024) Chen, X., Feng, R., Du, Q., Mauchline, Tim, Clark, Ian, Lu, Y., Liu, Li
  • Agricultural intensification reduces selection of putative plant growth-promoting rhizobacteria in wheat. (2024) Reid, Tessa, Nessner-Kavamura-Noguchi, Vanessa, Torres-Ballesteros, Adriana, Smith, M. E., Abadie, Maider, Pawlett, M., Clark, Ian, Harris, J. A., Mauchline, Tim picture_as_pdf
  • Diversity and multifunctional potential for plant growth promotion in bacteria from soil and the rhizosphere. (2024) Oliveira, L. M. D., Nessner-Kavamura-Noguchi, Vanessa, Clark, Ian, Mauchline, Tim, Souza, J. T. D.
  • The potato rhizosphere microbiota correlated to the yield of three different regions in Korea. (2024) Bak, Gye-Ryeong, Lee, K. K., Clark, Ian, Mauchline, Tim, Nessner-Kavamura-Noguchi, Vanessa, Lund, George, Jee, S., Lee, J., Kim, H., Lee, Y.
  • A new Rothamsted long-term field experiment for the twenty-first century: principles and practice. (2023) Li, Xiaoxi, Storkey, Jonathan, Mead, Andrew, Shield, Ian, Clark, Ian, Ostler, Richard, Roberts, Beth, Dobermann, Achim
  • Microbial Catabolic Activity: Methods, Pertinence, and Potential Interest for Improving Microbial Inoculant Efficiency. (2023) Ndour, P. M. S., Bargaz, A., Rchiad, Z., Pawlett, M., Clark, Ian, Mauchline, Tim, Harris, J., Lyamlouli, K. picture_as_pdf
  • Arable soil nitrogen dynamics reflect organic inputs via the extended composite phenotype. (2022) Neal, Andy, Barrat, Harry, Bacq-Lebreuil, A., Qin, Yuwei, Zhang, Xiaoxian, Takahashi, Taro, Rubio, Valentina, Hughes, David, Clark, Ian, Cardenas, Laura, Gardiner, L., Krishna, R., Glendining, Margaret, Ritz, K., Mooney, S., Crawford, John picture_as_pdf
  • Genetic diversity in nitrogen fertilizer responses and N gas emission in modern wheat. (2022) Oszvald, Maria, Hassall, Kirsty, Hughes, David, Torres-Ballesteros, Adriana, Clark, Ian, Riche, Andrew, Heuer, Sigrid
  • The impact of drought length and intensity on N cycling gene abundance, transcription and the size of an N2O hot moment from a temperate grassland soil. (2022) Barrat, Harry, Clark, Ian, Hood, Jess, Chadwick, Dave, Cardenas, Laura
  • N2O hot moments were not driven by changes in nitrogen and carbon substrates or changes in N cycling functional genes. (2021) Barrat, Harry, Charteris, Alice, LeCocq, Kate, Abadie, Maider, Clark, Ian, Chadwick, Dave, Cardenas, Laura picture_as_pdf
  • Land management legacy affects abundance and function of the acdS gene in wheat root associated pseudomonads. (2021) Ruscoe, Heather, Taketani, Rodrigo, Clark, Ian, Lund, George, Hughes, David, Dodd, I., Hirsch, Penny, Mauchline, Tim
  • Metagenomic approaches reveal differences in genetic diversity and relative abundance of nitrifying bacteria and archaea in contrasting soils. (2021) Clark, Ian, Hughes, David, Fu, Qingling, Abadie, Maider, Hirsch, Penny
  • Microbiome Aggregated Traits and Assembly are More Sensitive to Soil Management than Diversity. (2021) Neal, Andy, Hughes, David, Clark, Ian, Jansson, J. K., Hirsch, Penny
  • Inorganic Chemical Fertilizer Application to Wheat Reduces the Abundance of Putative Plant Growth-Promoting Rhizobacteria. (2021) Reid, Tessa, Nessner-Kavamura-Noguchi, Vanessa, Abadie, Maider, Torres-Ballesteros, Adriana, Pawlett, M., Clark, Ian, Harris, J., Mauchline, Tim
  • Relative contributions of bacteria and fungi to nitrous oxide emissions following nitrate application in soils representing different land uses. (2021) Castellano-Hinojosa, A., LeCocq, Kate, Charteris, Alice, Abadie, Maider, Chadwick, Dave, Clark, Ian, Bedmar, E. J., Cardenas, Laura picture_as_pdf
  • Significant structural evolution of a long-term fallow soil in response to agricultural management practices requires at least 10 years after conversion. (2020) Bacq-Labreuil, A., Neal, Andy, Crawford, John, Mooney, S. J., Akkari, Elsy, Zhang, Xiaoxian, Clark, Ian, Ritz, K.
  • Edaphic factors and plants influence denitrification in soils from a long-term arable experiment. (2020) Clark, Ian, Fu, Qingling, Abadie, Maider, Dixon, Liz, Blaud, Aimeric, Hirsch, Penny
  • Century long fertilization reduces stochasticity controlling grassland microbial community succession. (2020) Liang, Y., Ning, D., Lu, Z., Zhang, N., Hale, L., Wu, L., Clark, Ian, McGrath, Steve, Storkey, Jonathan, Hirsch, Penny, Sun, B., Zhou, J. picture_as_pdf
  • Soil as an Extended Composite Phenotype of the Microbial Metagenome. (2020) Neal, Andy, Bacq-Labreuil, A., Zhang, Xiaoxian, Clark, Ian, Coleman, Kevin, Mooney, S. J., Ritz, K., Crawford, John
  • The impact of drought and rewetting on N2O emissions from soil in temperate and Mediterranean climates. (2020) Barrat, Harry, Hood, Jess, Chadwick, Dave, Clark, Ian, LeCocq, Kate, Cardenas, Laura picture_as_pdf
  • Development of a defined compost system for the study of plant-microbe interactions. (2020) Masters-Clark, Emily, Hirsch, Penny, Clark, Ian, Paradelo-Perez, Marcos, Mauchline, Tim
  • Wheat dwarfing influences selection of the rhizosphere microbiome. (2020) Nessner-Kavamura-Noguchi, Vanessa, Robinson, R. J., Hughes, David, Clark, Ian, Rossmann, M., De Melo, I.S., Hirsch, Penny, Mendes, R., Mauchline, Tim
  • Effects of urease and nitrification inhibitors on soil N, nitrifier abundance and activity in a sandy loam soil. (2019) Fu, Qingling, Abadie, Maider, Blaud, Aimeric, Carswell, Alison, Misselbrook, Tom, Clark, Ian, Hirsch, Penny
  • Land management and microbial seed load effect on rhizosphere and endosphere bacterial community assembly in wheat. (2019) Nessner-Kavamura-Noguchi, Vanessa, Robinson, R. J., Hayat, R., Clark, Ian, Hughes, David, Rossmann, M., Hirsch, Penny, Mendes, R., Mauchline, Tim
  • Plant–microbe networks in soil are weakened by century‐long use of inorganic fertilizers. (2019) Huang, R., McGrath, Steve, Hirsch, Penny, Clark, Ian, Storkey, Jonathan, Wu, L., Zhou, J., Liang, Y.
  • The pH optimum of soil exoenzymes adapt to long term changes in soil pH. (2019) Puissant, J., Briony, J., Goodall, T., Mang, D., Blaud, Aimeric, Gweon, H. S., Malik, A., Jones, D. L., Clark, Ian, Hirsch, Penny, Griffiths, R. picture_as_pdf
  • Land use driven change in soil pH affects microbial carbon cycling processes. (2018) Malik, A.A., Puissant, J., Buckeridge, K.M., Goodall, T., Jehmlich, N., Chowdhury, S., Gweon, H.S., Peyton, J.M, Masson, K.E., van Agtmaal, M., Blaud, Aimeric, Clark, Ian, Whitaker, J., Pywell, R.F., Ostle, N., Gleixner, G., Griffiths, R.I.
  • Inorganic Nitrogen Application Affects Both Taxonomical and Predicted Functional Structure of Wheat Rhizosphere Bacterial Communities. (2018) Nessner-Kavamura-Noguchi, Vanessa, Hayat, R., Clark, Ian, Rossmann, M., Mendes, R., Hirsch, Penny, Mauchline, Tim
  • Spatial zoning of microbial functions and plant-soil nitrogen dynamics across a riparian area in an extensively grazed livestock system. (2018) De Sosa, L. L., Glanville, C. C., Marshall, M. R., Williams, A. P., Abadie, Maider, Clark, Ian, Blaud, Aimeric, Jones, D. L. picture_as_pdf
  • Old meets new: most probable number validation of metagenomic and metatranscriptomic datasets in soil. (2017) Mauchline, Tim, Hayat, R., Clark, Ian, Hirsch, Penny
  • The short-term effects of nitrification inhibitors on the abundance and expression of ammonia and nitrite oxidizers in a long-term field experiment comparing land management. (2017) Fu, Qingling, Clark, Ian, Zhu, J., Hu, H. Q., Hirsch, Penny picture_as_pdf
  • Effect of microbial activity on penetrometer resistance and elastic modulus of soil at different temperatures. (2017) Gao, W., Muñoz-Romero, V., Ren, T., Ashton, Rhys, Morin, M., Clark, Ian, Powlson, David, Whalley, Richard
  • Phylogenetic distribution, biogeography and the effects of land management upon bacterial non-specific Acid phosphatase Gene diversity and abundance. (2017) Neal, Andy, Blackwell, Martin, Akkari, Elsy, Clark, Ian, Hirsch, Penny, Guyomar, C.
  • Land-use influences phosphatase gene microdiversity in soils. (2017) Neal, Andy, Rossmann, M., Brearley, C., Akkari, Elsy, Guyomar, C., Clark, Ian, Allen, E., Hirsch, Penny
  • Soil resilience and recovery: rapid community responses to management changes. (2016) Hirsch, Penny, Jhurreea, D., Williams, J. K., Murray, Phil, Scott, Tony, Misselbrook, Tom, Goulding, Keith, Clark, Ian
  • Novel European free-living, non-diazotrophic Bradyrhizobium isolates from contrasting soils that lack nodulation and nitrogen fixation genes - a genome comparison. (2016) Jones, F. P., Clark, Ian, King, Robert, Shaw, L. J., Woodward, M. J., Hirsch, Penny
  • Wheat seed embryo excision enables the creation of axenic seedlings and Koch's postulates testing of putative bacterial endophytes. (2016) Robinson, R. J., Fraaije, Bart, Clark, Ian, Jackson, R. W., Hirsch, Penny, Mauchline, Tim
  • Endophytic bacterial community composition in wheat (Triticum aestivum) is determined by plant tissue type, developmental stage and soil nutrient availability. (2016) Robinson, R. J., Fraaije, Bart, Clark, Ian, Jackson, R. W., Hirsch, Penny, Mauchline, Tim picture_as_pdf
  • Long-Term Impact of Field Applications of Sewage Sludge on Soil Antibiotic Resistome. (2016) Xie, W-Y., McGrath, Steve, Su, J. Q., Hirsch, Penny, Clark, Ian, Shen, Q., Zhu, Y-G., Zhao, Fangjie picture_as_pdf
  • Pseudomonas spp. diversity is negatively associated with suppression of the wheat take-all pathogen. (2016) Mehrabi, Z., Mcmillan, Vanessa, Clark, Ian, Canning, Gail, Hammond-Kosack, Kim, Preston, G., Hirsch, Penny, Mauchline, Tim
  • Responses of microbial community from tropical pristine coastal soil to crude oil contamination. (2016) Morais, D., Pylro, V., Clark, Ian, Hirsch, Penny, Totola, M. R.
  • Over 150 years of long-term fertilization alters spatial scaling of microbial biodiversity. (2015) Liang, Y., Wu, Liyou, Clark, Ian, Xue, K., Yang, Y., Van Nostrand, J. D., Deng, Y., He, Z., McGrath, Steve, Storkey, Jonathan, Hirsch, Penny, Sun, B., Zhou, J.
  • Metatranscriptomic census of active protists in soils. (2015) Geisen, S., Tveit, A. T., Clark, Ian, Richter, A., Svenning, M. M., Bonkowski, M., Urich, T. picture_as_pdf
  • The Rothamsted Long-term Experiments. (2015) Macdonald, Andy, Powlson, David, Poulton, Paul, Watts, Chris, Clark, Ian, Storkey, Jonathan, Hawkins, Nichola, Glendining, Margaret, Goulding, Keith, McGrath, Steve picture_as_pdf
  • Soil pH determines microbial diversity and composition in the Park Grass Experiment. (2015) Zhalnina, K., Dias, R., De Quadros, P. D., Davis-Richardson, A., Camargo, F. A. O., Clark, Ian, McGrath, Steve, Hirsch, Penny, Triplett, E. W. picture_as_pdf
  • An analysis of Pseudomonas genomic diversity in take-all infected wheat fields reveals the lasting impact of wheat cultivars on the soil microbiota. (2015) Mauchline, Tim, Chedom-Fotso, D., Chandra, G., Samuels, T., Greenaway, N., Backhaus, A., Mcmillan, Vanessa, Canning, Gail, Powers, Stephen, Hammond-Kosack, Kim, Hirsch, Penny, Clark, Ian, Mehrabi, Z., Roworth, J., Burnell, J., Malone, J. G.
  • Data analysis for 16S microbial profiling from different benchtop sequencing platforms. (2014) Pylro, V. S., Roesch, L. F. W., Morais, D. K., Clark, Ian, Hirsch, Penny, Totola, M. R.
  • Attraction and preference of bacteriophagous and plant-parasitic nematodes towards different types of soil bacteria. (2014) Tahseen, Q., Clark, Ian
  • Ca. Nitrososphaera and Bradyrhizobium are inversely correlated and related to agricultural practices in long-term field experiments. (2013) Zhalnina, K., De Quadros, P. D., Gano, K. A., Davis-Richardson, A., Fagen, J. R., Brown, C. T., Giongo, A., Drew, J. C., Sayavedra-Soto, L. A., Arp, D. J., Camargo, F. A. O., Daroub, S. H., Clark, Ian, McGrath, Steve, Hirsch, Penny, Triplett, E. W.
  • Potential mineralization and nitrification in volcanic grassland soils in Chile. (2013) Cardenas, Laura, Hatch, D. J., Scholefield, D., Jhurreea, D., Clark, Ian, Hirsch, Penny, Salazar, F., Rao-Ravella, S., Alfaro, M. picture_as_pdf
  • Impacts of nitrogen application rates on the activity and diversity of denitrifying bacteria in the Broadbalk Wheat Experiment. (2012) Clark, Ian, Buchkina, N., Jhurreea, D., Goulding, Keith, Hirsch, Penny
  • Structure, fluctuation and magnitude of a natural grassland soil metagenome. (2012) Delmont, T. O., Prestat, E., Keegan, K. P., Faubladier, M., Robe, P., Clark, Ian, Pelletier, E., Hirsch, Penny, Meyer, F., Gilbert, J. A., Le Paslier, D., Simonet, P., Vogel, T. M.
  • Metagenomic comparison of direct and indirect soil DNA extraction approaches. (2011) Delmont, T. O., Robe, P., Clark, Ian, Simonet, P., Vogel, T. M. picture_as_pdf
  • Accessing the soil metagenome for studies of microbial diversity. (2011) Delmont, T. O., Robe, P., Cecillon, S., Clark, Ian, Constancias, F., Simonet, P., Hirsch, Penny, Vogel, T. M.
  • Development of a real-time PCR assay for detection and quantification of Rhizobium leguminosarum bacteria and discrimination between different biovars in zinc-contaminated soil. (2011) Macdonald, C. A., Clark, Ian, Hirsch, Penny, Zhao, Fangjie, McGrath, Steve picture_as_pdf
  • Long-term impacts of zinc and copper enriched sewage sludge additions on bacterial, archaeal and fungal communities in arable and grassland soils. (2011) Macdonald, C. A., Clark, Ian, Zhao, Fangjie, Hirsch, Penny, Singh, B. K., McGrath, Steve picture_as_pdf
  • Transcriptome analysis shows differential gene expression in the saprotrophic to parasitic transition of Pochonia chlamydosporia. (2011) Rosso, L. C., Finetti-Sialer, M. M., Hirsch, Penny, Ciancio, A., Kerry, B. R., Clark, Ian picture_as_pdf
  • Culture-independent molecular techniques for soil microbial ecology. (2010) Hirsch, Penny, Mauchline, Tim, Clark, Ian picture_as_pdf
  • Relative impact of soil, metal source and metal concentration on bacterial community structure and community tolerance. (2010) Macdonald, C. A., Yang, X., Clark, Ian, Zhao, Fangjie, Hirsch, Penny, McGrath, Steve picture_as_pdf
  • Measuring abundance, diversity and parasitic ability in two populations of the nematophagous fungus Pochonia chlamydosporia var. chlamydosporia. (2009) Manzanilla-Lopez, R. H., Atkins, S. D., Clark, Ian, Kerry, B. R., Hirsch, Penny
  • Rapid and reliable DNA extraction and PCR fingerprinting methods to discriminate multiple biotypes of the nematophagous fungus Pochonia chlamydosporia isolated from plant rhizospheres. (2009) Manzanilla-Lopez, R. H., Clark, Ian, Atkins, S. D., Hirsch, Penny, Kerry, B. R.
  • Starving the soil of plant inputs for 50 years reduces abundance but not diversity of soil bacterial communities. (2009) Hirsch, Penny, Gilliam, L. M., Sohi, S. P., Williams, J. K., Clark, Ian, Murray, Phil picture_as_pdf
  • Use of real-time quantitative PCR to investigate root and gall colonisation by co-inoculated isolates of the nematophagous fungus Pochonia chlamydosporia. (2009) Atkins, S. D., Peteira, B., Clark, Ian, Kerry, B. R., Hirsch, Penny
  • Survival of bacterial DNA and culturable bacteria in archived soils from the Rothamsted Broadbalk experiment. (2008) Clark, Ian, Hirsch, Penny
  • A novel method for sampling bacteria on plant root and soil surfaces at the microhabitat scale. (2008) Dennis, P. G., Miller, Tony, Clark, Ian, Taylor, R. G., Valsami-Jones, E., Hirsch, Penny picture_as_pdf
  • Controls on soil nitrogen cycling and microbial community composition across land use and incubation temperature. (2007) Cookson, W. R., Osman, M., Marschner, P., Abaye, D. A., Clark, Ian, Murphy, D. V., Stockdale, E. A., Watson, C. A.
  • Distribution of environmental mycobacteria in Karonga District, Northern Malawi. (2006) Chilima, B. Z., Clark, Ian, Floyd, S., Fine, P. E. M., Hirsch, Penny
  • The influence of season, agricultural management and soil properties on gross nitrogen transformations and bacterial community structure. (2006) Cookson, W. R., Marschner, P., Clark, Ian, Milton, N., Smirk, M. N., Murphy, D. V., Osman, M., Stockdale, E. A., Hirsch, Penny
  • Impact of the nematophagous fungus Pochonia chlamydosporia on nematode and microbial populations. (2005) Tahseen, Q., Clark, Ian, Atkins, S. D., Hirsch, Penny, Kerry, B. R.
  • The use of real-time PCR and species-specific primers for the identification and monitoring of Paecilomyces lilacinus. (2005) Atkins, S. D., Clark, Ian, Pande, S., Hirsch, Penny, Kerry, B. R.
  • Co-induction of glutathione-S-transferases and multidrug resistance associated protein by xenobiotics in wheat. (2003) Theodoulou, Freddie, Clark, Ian, He, X-L., Pallett, K. E., Cole, D. J., Hallahan, D. L. picture_as_pdf
  • Approaches for monitoring the release of Pochonia chlamydosporia var. catenulata , a biocontrol agent of root-knot nematodes. (2003) Atkins, S. D., Hidalgo-Diaz, L., Clark, Ian, Morton, C. O., Montes De Oca, N., Gray, P. A., Kerry, B. R.
  • Detection and quantification of Plectosphaerella cucumerina , a potential biological control agent of potato cyst nematodes, by using conventional PCR, real-time PCR, selective media, and baiting. (2003) Atkins, S. D., Clark, Ian, Sosnowska, D., Hirsch, Penny, Kerry, B. R.
  • Vorticella sp. infestations in nematodes: a report. (2003) Tahseen, Q., Clark, Ian, Kerry, B. R.
  • The influence of the symbiotic plasmid pRL1J1 on the distribution of GM rhizobia in soil and crop rhizospheres, and implications for gene flow. (2002) Clark, Ian, Mendum, T. A., Hirsch, Penny
  • Characterization of two novel Rhizobium leguminosarum bacteriophages from a field release site of genetically-modified rhizobia. (2001) Mendum, T. A., Clark, Ian, Hirsch, Penny
  • Spatially distinct expression of two new cytochrome P450s in leaves of Nepeta racemosa : identification of a trichome-specific isoform. (1997) Clark, Ian, Forde, Brian, Hallahan, D. L.
  • Plant cytochrome P-450 and agricultural biotechnology. (1993) Hallahan, D. L., Cheriton, A. K., Hyde, R., Clark, Ian, Forde, Brian picture_as_pdf
  • Book Section
  • The unique contribution of Rothamsted to ecological research at large temporal scales. (2016) Storkey, Jonathan, Macdonald, Andy, Bell, James, Clark, Ian, Gregory, Andy, Hawkins, Nichola, Hirsch, Penny, Todman, Lindsay, Whitmore, Andy picture_as_pdf
  • Culture-independent molecular approaches to microbial ecology in soil and rhizosphere. (2013) Hirsch, Penny, Mauchline, Tim, Clark, Ian
  • Report
  • Nucleotide sequence of Cla 30 (Accession No. Y17386), a xenobiotic- inducible member of the GST superfamily from Triticum aestivum L. (PGR99-049). (1999) Theodoulou, Freddie, Clark, Ian, Pallett, K. E., Hallahan, D. L.
  • N. racemosa mRNA for cytochrome P450, CYP71A6, partial. (1996) Clark, Ian, Hallahan, D. L.
  • Nepeta racemosa mRNA for cytochrome P450, CYP71A5. (1996) Clark, Ian, Hallahan, D. L.
  • Conference or Workshop Item
  • The UK Crop Microbiome Cryobank – Advancing Microbiome Research for Sustainable Agriculture. (2023) Taketani, Rodrigo, Ryan, M. J., Mauchline, Tim, Malone, J., Jones, S., Thompson, C., Bonnin, J. M., Stewart, H., Yau, P., Clark, Ian, Holden, N.
  • The impact of tissue type, growth stage and fertilizers on the community structure of cultured bacterial wheat endophytes in the Broadbalk experiment. (2014) Robinson, R. R., Fraaije, Bart, Clark, Ian, Jackson, R. W., Hirsch, Penny, Mauchline, Tim
  • Exploring competitiveness and genetic variation in the nematophagous fungus Pochonia chlamydosporia var. chlamydosporia and its significance for biological control. (2011) Manzanilla-Lopez, R. H., Clark, Ian, Atkins, S. D., Hirsch, Penny, Kerry, B. R.
  • Impacts of land use change on denitrifying bacteria and nitrous oxide emissions. (2011) Hirsch, Penny, Jhurreea, D., Scott, Tony, Misselbrook, Tom, Goulding, Keith, Clark, Ian
  • Effects of long-term fertilization and liming on microbial functions and diversity in the grassland site at Rothamsted Research, UK. (2010) Wu, Liyou, Liang, Y., Clark, Ian, Wue, K., Deng, Y., He, Z., Van Nostrand, J., Macdonald, C., Hirsch, Penny, McGrath, Steve, Zhou, J.
  • Effects of long-term fertilization on spatial distribution patterns of microbial functional genes from the Rothamsted Experimental site. (2010) Liang, Y., Wu, Liyou, Clark, Ian, Xue, K., Deng, Y., He, Z., Hirsch, Penny, McGrath, Steve, Zhou, J.
  • Long-term agricultural experiments reveal N influence on ammonia oxidizers and the predominance of CA. nitrososphaera. (2010) Giongo, A., Gano, K., Roesch, L., Casella, G., Daroub, S., Ramiez, K., Sayavedra-Soto, L., Arp, D., Clark, Ian, Hirsch, Penny, McGrath, Steve, Triplett, E.
  • Role of antecedent soil moisture on microbial populations involved in gaseous N2O emissions - use of isotopomers to understand sources. (2010) Cardenas, Laura, Bol, Roland, Bergstermann, A., Meijide, A., Hirsch, Penny, Jhurreea, D., Clark, Ian, Gilliam, L., Goulding, Keith, Well, R., Scholefield, D.
  • Soil metagenomics: can we access the diversity? (2010) Delmont, T., Cecillon, S., Clark, Ian, Simonet, P., Hirsch, Penny, Vogel, T.
  • Soil without plants: the consequences for microorganisms and mesofauna. (2010) Goulding, Keith, Murray, Phil, Sohi, S. P., Gilliam, L. M., Williams, J. K., Clark, Ian, Hirsch, Penny
  • Targeting the active bacterial communities in soil pores. (2010) Mccabe, D., Clark, Ian, Sohi, S., Shaw, E., Hirsch, Penny
  • Are long-term changes in soil organic matter reflected in the soil communities? (2009) Murray, Phil, Hirsch, Penny, Gilliam, L. M., Sohi, S. P., Williams, J. K., Clark, Ian, Brookes, Philip
  • Are long-term changes in soil organic matter reflected in the soil communities? (2009) Brookes, Philip, Hirsch, Penny, Gilliam, L. M., Clark, Ian, Sohi, S. P., Williams, J. K., Murray, Phil
  • Are long-term changes in soil organic matter reflected in the soil communities? (2009) Murray, Phil, Hirsch, Penny, Gilliam, L. M., Sohi, S. P., Williams, J. K., Clark, Ian, Brookes, Philip
  • Exploring competitiveness and genetic variation in the nematophagous fungus Pochonia chlamydosporia var. chlamydosporia and its significance for biological control. (2009) Manzanilla-Lopez, R. H., Clark, Ian, Atkins, S., Hirsch, Penny, Kerry, B. R.
  • Microbial diversity maintained in soils starved of plant inputs for 50 years. (2009) Clark, Ian, Gilliam, L. M., Sohi, S. P., Williams, J., Murray, Phil, Hirsch, Penny
  • Sequencing the microbial metagenome of an iconic grassland soil, the Rothamsted Park Grass Experiment. (2009) Hirsch, Penny, Clark, Ian
  • Through the keyhole: a key to open the bacterial lock; aka using BrdU to target pore space diversity. (2009) Mccabe, D., Clark, Ian, Sohi, S. P., Shaw, L., Hirsch, Penny
  • What plants do for soil and what happens after they've gone. (2009) Hirsch, Penny, Clark, Ian
  • Gene expression profiles in Pochonia chlamydosporia in conditions of saprotrophic-to-parasite transition. (2008) Finetti-Sialer, M., Hirsch, Penny, Kerry, B. R., Clark, Ian
  • Interactions on roots and the efficacy of Pochonia chlamydosporia as a biological control agent. (2008) Kerry, B. R., Clark, Ian, Esteves, I., Finetti, M., Hirsch, Penny, Gomez-Gil, L., Manzanilla-Lopez, R. H., Rosso, L. C.
  • Long-term impacts of metal-rich sludge additions on soil microbial communities - effects of metal source and soil type. (2008) Macdonald, C., Yang, X., Clark, Ian, Hirsch, Penny, McGrath, Steve
  • Survival of bacterial DNA and culturable bacteria in archived soils from the Rothamsted Broadbalk experiment. (2008) Clark, Ian
  • Assessing genetic diversity of Pochonia chlamydosporia populations using ERIC primers. (2006) Manzanilla-Lopez, R. H., Clark, Ian, Hirsch, Penny, Kerry, B. R.
  • DNA fingerprinting methodology to monitor infectivity, competition and rhizosphere competence of Pochonia chlamydosporia isolates within bulk soil, rhizoshere and Meloidogyne incognita egg masses. (2006) Manzanilla-Lopez, R. H., Clark, Ian, Atkins, S., Hirsch, Penny, Kerry, B. R.
  • Monitoring active bacterial communities in soil. (2006) Clark, Ian, Cookson, W. R., Hampshire, D., Hirsch, Penny
  • Fungal molecular diagnostics of nematophagous fungi. (2004) Atkins, S. D., Clark, Ian, Morton, C. O., Kerry, B. R.
  • Impact of genetically modified bacterial inoculants on the soil microbial community. (2004) Hirsch, Penny, Clark, Ian
  • Investigation of three nematophagous fungi in two potato cyst nematode suppressive soils. (2004) Atkins, S. D., Sosnowska, D., Evans, V. J., Clark, Ian, Hirsch, Penny, Kerry, B. R.
  • Detection and quantification of Plectosphaerella cucumerina , a potential biological control agent of potato cyst nematodes, using real-time PCR. (2003) Atkins, S. D., Clark, Ian, Sosnowska, D., Hirsch, Penny, Kerry, B. R.
  • Genetic and functional diversity in the rhizosphere of oilseed rape, wheat and potatoes. (2002) Gilliam, L. M., Clark, Ian, Hirsch, Penny
  • Impact of GM bacterial inoculants on the soil microbial community. (2002) Hirsch, Penny, Clark, Ian
  • Initial testing of potential fungal biological control agents for potato cyst nematodes. (2002) Atkins, S. D., Clark, Ian, Sosnowska, D., Kerry, B. R.
  • The fate of genetically modified rhizobial inoculants in the field. (2002) Hirsch, Penny, Clark, Ian
  • The role of the rhizobium symbiotic plasmid in survival in the soil and the rhizosphere. (2002) Clark, Ian, Hirsch, Penny
  • The development of Verticillium chlamydosporium as a biological control agent of root-knot nematodes in organic vegetable production in Havana. (2001) Hidalgo, L., Bourne, J. M., Rodriguez, M. G., Sanchez, L., Hernandez, M. A., Atkins, S. D., Clark, Ian, Kerry, B. R.
  • Inference of symbiotic plasmid involvement in the population dynamics of two GM rhizobia under different agricultural practices. (2000) Clark, Ian, Mendum, T. A., Hirsch, Penny
  • Interactions between rhizobia and bacteriophages isolated from soil. (1999) Mendum, T. A., Clark, Ian, Hirsch, Penny
  • Role of ABC transporters in herbicide metabolism. (1999) Theodoulou, Freddie, Clark, Ian, Mitchell, Valerie, Moss, Stephen, Pallett, K. E.
  • The genetic implications of bacteriophages in Rhizobium leguminosarum. (1999) Mendum, T. A., Clark, Ian, Hirsch, Penny
  • A herbicide safener-induced MRP homologue from wheat. (1998) Theodoulou, Freddie, Clark, Ian, Pallett, K. E., Hallahan, D. L.
  • Molecular enzymology of plant cytochromes P450. (1997) Maughan, J. A., Nugent, J. H. A., Clark, Ian, Westlake, A. C. G., Hallahan, D. L.
  • Molecular analysis of cytochrome P450 cDNAs from Nepeta racemosa. (1995) Clark, Ian, Crank, S. F., Forde, Brian, Hallahan, D. L.
  • Book
  • Rothamsted Long-term experiments : guide to the classical and other long-term experiments, datasets and sample archive. (2018) Macdonald, Andy, Poulton, Paul, Clark, Ian, Scott, Tony, Glendining, Margaret, Perryman, Sarah, Storkey, Jonathan, Bell, James, Shield, Ian, Mcmillan, Vanessa, Hawkins, Jane
  • Data Collection
  • Data for: Agricultural intensification reduces selection of putative plant growth-promoting rhizobacteria in wheat. (2024) Reid, Tessa, Nessner-Kavamura-Noguchi, Vanessa, Torres-Ballesteros, Adriana, Smith, Monique, Abadie, Maider, Pawlett, M., Clark, Ian, Harris, J. A., Mauchline, Tim grid_on
  • This list was generated on Fri Feb 20 01:14:26 2026 GMT.