Genetic Discrimination among 21 Corn (Zeay mays L.) Varieties through Total Soluble Seed Protein Profile


This study was conducted to investigate the ability of total soluble seed protein to discriminate among 21 of maize genotypes through using sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE). According to SDS analysis , a total of 118 amplified bands were obtained ranging in their molecular size 18-86KDa. Five out of main nine bands were polymorphic and four monomorphic with an average of polymorphism reaches 55.5%.Phylogenetic tree divided 21 of corn genotypes between two major groups each of them divided in to two subgroups .The first main group included 13 genotypes , while the second main group included eight genotypes . The ability of protein profile to give a distinctive pattern for a particular genotype could serve in future of studying corn seed response to different abiotic stress and studying genetic diversity .