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D1/D2 domain of large-subunit ribosomal DNA for differentiation of Orpinomyces spp
Sumit S Dagar1, Sanjay Kumar, Priti Mudgil
1Dairy Microbiology Division, National Dairy Research Institute, Karnal, India.
Abstract:
This study presents the suitability of D1/D2 domain of large-subunit (LSU) ribosomal DNA (rDNA) for differentiation of Orpinomyces joyonii and Orpinomyces intercalaris based on PCR-restriction fragment length polymorphism (RFLP). A variation of G/T in O. intercalaris created an additional restriction site for AluI, which was used as an RFLP marker. The results demonstrate adequate heterogeneity in the LSU rDNA for species-level differentiation.
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