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|Title:||STS-PCR markers appropriate for wheat-barley introgression|
|Citation:||Theoretical and Applied Genetics, 1996; 93(5-6):826-832|
|T. K. Blake, D. Kadyrzhanova, K. W. Shepherd, A. K. M. R. Islam, P. L. Langridge, C. L. McDonald, J. Erpelding, S. Larson, N. K. Blake and L. E. Talbert|
|Abstract:||Introgression of chromosomal segments across large taxonomic distances has long been an objective of scientists interested in understanding the relationships between genes and their effect on phenotype. Barley and wheat represent cultivated members of the Triticeae with different zones of adaptation, different responses to pathogens, and different end-use characteristics. Introduction of small, well-characterized chromosomal segments among grass relatives presents an opportunity to both better understand how genes perform in novel genomic environments and to learn more about the evolutionary novelties which differentiate related species. Since the distribution of the wheat-barley addition lines, the potential power and value of a comprehensive series of wheat/barley translocation lines has been widely appreciated. A scarcity of easy-touse markers which unambiguously distinguish barley loci from their wheat homologues has limited the ability of scientists to identify the relatively rare inter-chromosomal recombination events which are the necessary antecedents of these lines. Since the single most critical pathogen affecting U.S. wheat producers is Karnal bunt (Tilletia indica) and since barley carries a gene conferring immunity, molecular markers may prove practically and immediately important. In this report we describe a series of 135 barley-specific markers amplified by 115 primer sets developed from sequences from previously mapped restriction fragment length polymorphism (RFLP) markers. These easily distinguish the cognate barley products from their wheat counterparts and should find ready use in the identification of lines which contain wheat/barley translocation events.|
|Keywords:||STS-PCR markers; Wheat-barley introgression|
|Rights:||© Springer-Verlag 1996|
|Appears in Collections:||Agriculture, Food and Wine publications|
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