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Home >> Plant Biotechnology and Genomics >>Construction of Molecular Maps and Synteny (Collinearity) >>Maps in Brassicsa

Maps in Brassicas
Molecular maps have been prepared in a number of Brassica species including both (i) the diploid Brassicas like B. oleraceae(2n = 18) and B. nigra (2n = 16), and (ii) the polyploid Brassicas like B. nap us (2n = 38) and B. juncea (2n = 36). In these crops, mainly RFLP, RAPD and AFLP markers were used, since SSR markers were not available in large numbers for mapping. For instance, in B. oleracea,258 RFLP markers were mapped in 1990 and later an integrated map with 543 marker loci was published in 2001. A skeleton map with 67 RAPD loci was also prepared in B. nigra.Similarly, in B napus, a consensus map with 542 RFLP loci and 253 AFLP loci was published in 2001, and a dense map in B. juncea (Indian mustard) with 1029 loci (996 AFLP and 33 RFLP) was published in 2002 from a group from Delhi University South campus (UDSC), India

 

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