Detection of genome specific monomorphic loci in Bos taurus and Bubalus bubalis with oligodeoxyribonucleotide probe

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Abstract
A synthetic oligodeoxyribonucleotide probe (OAT36) comprising nine repeats of 5'GACA 3′ and several enzymes were used to analyse cow, (Bos taurus) and buffalo (Bubalus bubalis) genomes and a number of monomorphic loci were detected in both the species. Different animals from the same species showed an almost ‘similar’ monomorphic hybridization pattern but animals from two separate species showed a different ‘genome specific’ pattern. The overall hybridization with any enzyme and probe combination was found to be unique to one species. This forms the basis of genome specific hybridization which is substantiated by our zoo‐blot hybridization studies. The evolutionary aspect of these loci in the context of sequence polymorphisms is discussed.