Length polymorphisms of simple sequence repeat DNA in soybean

Article Abstract:

A study was conducted to determine the presence and degree of simple sequence repeat (SSR) DNA length polymorphism in soybean. GenBank search presented no (CA)n or (GT)n SSRs with n more than 8 in soybean. A similar search was done on a soybean DNA library to determine the presence of (CA/GT)n SSRs. Positive clone sequencing showed that (CA)9 was the longest SSR. These results show that (CA)n SSRs with n of 15 or more occur less frequently in soybean than in the human genome.

DNA sequencers, Soybean, Soybeans

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Evidence for orthologous seed weight genes in cowpea and mung bean based on RFLP mapping

Article Abstract:

Genomic maps for cowpea and mung bean based on restriction fragment length polymorphisms (RFLPs) are studied and developed. The maps provide information regarding quantitative trait loci (QTLs) describing seed weight in both species. Analysis shows that genomic regions for both which exhibited much impact on seed weight covered similar RFLP markers in the same linkage. The results support findings that QTLs in the region have not varied much in evolution.

Cowpea, Legumes, Beans

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