IDENTIFICATION OF TIMOTHY CULTIVARS BY SDS-PAGE ANALYSIS OF SEED STORAGE PROTEINS

被引:5
作者
CAI, Q
BULLEN, MR
机构
[1] MCGILL UNIV,DEPT PLANT SCI,MACDONALD CAMPUS,ST ANNE BELLEVUE H9X 1C0,QUEBEC,CANADA
[2] MCGILL UNIV,AGR CANADA,STE FOY FORAGE CROP CYTOGENET LAB,ST ANNE BELLEVUE H9X 1C0,QUEBEC,CANADA
[3] MCGILL UNIV,DEPT PLANT SCI,ST ANNE BELLEVUE H9X 3V9,PQ,CANADA
关键词
SDS PAGE; TIMOTHY CULTIVAR IDENTIFICATION; SEED STORAGE PROTEINS;
D O I
10.4141/cjps92-148
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
SDS-PAGE analysis of seed proteins was carried out to identify the cultivars in the forage crop, timothy (Phleum pratense L.). Nineteen cultivars of timothy were examined. Among them five were from Europe and fourteen from North America. In total fifty protein bands were detected in mature seed extract by SDS-PAGE followed by Coomassie blue staining.Except for two pairs, all the cultivars were differentiated by SDS-PAGE analysis of seed storage proteins. In the electrophoretic profile, no protein bands were found to be specific either to European or to North American cultivars which is an indication of their genetic similarity. Twelve samples of cultivar Toro harvested from Alberta and Manitoba (Canada), Idaho and Minnesota (USA) were compared and no significant differences were found in their seed protein banding patterns, which suggests environmental stability of timothy seed proteins.
引用
收藏
页码:1215 / 1222
页数:8
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