Specificity of an antibody to a subunit of high-molecular-weight storage protein from wheat seed and its reaction with other cereal storage proteins (prolamins)

A - Papers appearing in refereed journals

Festenstein, G. N., Hay, F. C., Miflin, B. J. and Shewry, P. R. 1985. Specificity of an antibody to a subunit of high-molecular-weight storage protein from wheat seed and its reaction with other cereal storage proteins (prolamins). Planta. 164 (1), pp. 135-141.

AuthorsFestenstein, G. N., Hay, F. C., Miflin, B. J. and Shewry, P. R.
Abstract

An antiserum to subunit 2 from the high-molecular-weight (HMW) subunits of the glutenin fraction of Triticum aestivum cv. Highbury was shown to react with related subunits from other cultivars of wheat. The reaction was measured quantitatively by laser nephelometry in polyethylene glycol phosphate-buffered saline after dissolving the HMW fraction in 0.1 M acetic acid; urea used to dissolve the HMW prolamins inhibited the reaction, in some cases at the low concentration of 0.06 M. A study of the comparative reactions of other cereal prolamins was made. ‘D’ hordein, the homologous HMW protein of barley, showed less reaction, which was more inhibited by urea than the wheat subunits. Some ω-gliadins from the wheat cultivars Chinese Spring and Cheyenne reacted more strongly than the injected fraction and there was less inhibition by urea. A-, β- and γ3 of wheat also reacted with the antiserum while a secalin of rye of Mr 40000 gave a weak reaction. 

Year of Publication1985
JournalPlanta
Journal citation164 (1), pp. 135-141
Digital Object Identifier (DOI)doi:10.1007/BF00391039
Open accessPublished as non-open access
PublisherSpringer Nature

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