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Molecular characterization of MHC-DRB cDNA in water buffalo (Bubalus bubalis)

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Author(s): Soumen Naskar | Sitangsu M. Deb | Saket K. Niranjan | Subodh Kumar | Deepak Sharma | Durgam Sakaram | Arjava Sharma

Journal: Genetics and Molecular Biology
ISSN 1415-4757

Volume: 35;
Issue: 1;
Start page: 95;
Date: 2012;
Original page

Keywords: water buffalo | cDNA | DRB | MHC | phylogeny

ABSTRACT
In the present study, water buffalo MHC (Bubu)-DRB cDNA was cloned and characterized. The 1022 base long-amplified cDNA product encompassed a single open reading frame of 801 bases that coded for 266 amino acids. The Bubu-DRB sequence showed maximum homology with the BoLA-DRB3*0101 allele of cattle. A total of seven amino acid residues were found to be unique for the Bubu-DRB sequence. The majority of amino acid substitutions was observed in the β1 domain. Residues associated with important functions were mostly conserved. Water buffalo DRB was phylogenetically closer to goat DRB*A.
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