Polymorphism of Subunits Among Four Types of Seed Proteins on Common and Tartary Buckwheat

Yu-Zheng Guo, Qing-Fu Chen


Polymorphisms of subunits among four types of seed proteins including albumin, globulin, prolamin, and glutelin on 20 common and tartary buckwheat accessions were studied by means of SDS-PAGE. It is clear that albumin and globulin in buckwheat seeds have similar subunit spectrums to each other and all have the highest number of bands in all four types of seed proteins. They are much different from prolamin and glutelin. There are certain differences of the spectrum of four types of seed proteins among accessions. Among them, the differences between common and tartary buckwheat are the biggest. The total intraspecific polymorphism of four types of seed protein samples on common buckwheat or tartary buckwheat produced up to 87 or 72 markers useful in genetic mapping, about four or six times more than their corresponding full seed protein samples.

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DOI: http://dx.doi.org/10.5539/jas.v6n11p187

Journal of Agricultural Science ISSN 1916-9752 (Print) ISSN 1916-9760 (Online)

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