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African Journal of Biotechnology

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Study of total seed storage protein in indigenous Brassica species based on sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE)

Naushad Ali Turi, Farhatullah Farhatullah, M Ashiq Rabbani Rabbani, Naqib Ullah Khan, M Akmal, Zahida Hassan Pervaiz, M Umair Aslam

Abstract


Genetic diversity was studied in 234 accessions of locally collected Brassica species for total seed protein content through sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE). These accessions were collected from different locations of Pakistan. After the study of these accessions on SDS-PAGE, 28 reproducible bands were used for cluster analysis and with the help of these bands, genetic diversity were estimated. Out of 28, four major bands were observed. Dendogram was constructed and the accessions were divided into two main groups comprising 11 clusters. The results obtained from these clusters showed minimum genetic diversity in these accessions on SDS-PAGE level. Due to low genetic diversity on SDS-PAGE level, it is suggested that two dimensional (2D)- electrophoresis can be used for protein study.


Key words: Genetic variation, sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE), protein electrophoresis, cluster analysis, brassica.




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