pnut pnut Peanut Science 0095-3679 0095-3679 American Peanut Research and Education Society 10.3146/i0095-3679-2-2-8 Articles An Immunochemical Survey of Proteins In Species of Arachis Navin J. Neucere and John P. Cherry 1 National Research Council Postdoctoral Research Associate. Present address: Department of Pood Science, University of Georgia Experiment Station, Experiment, Georgia 30212 Southern Regional Research Center2 New Orleans, Louisiana 70179

2One of the facilities of the Southern Region, Agricultural Research Service, U.S. Department of Agriculture.

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 7 1975 7 1975 2 2 66 72 American Peanut Research and Education Society 1975 American Peanut Research and Education Society Abstract

A comparative immunological survey of the proteins in 36 species accessions of the genus Arachis as grouped by Gregory et al. (1973) conducted by using immune sera from cultivated peanuts showed both quantitative and qualitative differences in protein contents. Sections I (Axonomorphae) and II (Erectoides) contained higher concentartions of the major peanut globulin, α-arachin than sections III (Caulorhizae), IV (Rhizomatosae), V (Extranervosae), VI (Pseudoaxonomorphae) and VII (Triseminalae). The precipitin patterns of total proteins in sections I, II, and IV appeared very similar to the precipitin pattern of the cultivar Virginia 61R. In general, the total precipitin patterns of sections III, V, VI, and VII showed relatively higher quantities of the albumins and the conarachins than did precipitin patterns of the other sections and their total patterns were less similar to the total pattern of Virginia 61R. Both intraspecific and interspecific polymorphism of proteins existed throughout the seven sections as evidenced by immunochemistry.