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Vet World. 2011; 4(3): 120-123

Molecular characterization of Lingual antimicrobial peptide in the female reproductive tract of Buffalo

Dhanya Joseph, Tukaram More.

Bubalus bubalis (Ruminantia: Bovidae, Bovinae) is an economically important animal of many Asian countries, making significant contribution to milk and meat production. Sub clinical infection of the reproductive tract is one of the important causes for reduced reproductive efficiency in dairy herd of buffaloes. Antimicrobial peptides are component of innate immune system which helps in augmenting the resistance to infection at epithelial surfaces e.g reproductive tract epithelium. In this study we have identified a -defensin called Lingual Antimicrobial Peptide (LAP) in buffalo reproductive tract. Interestingly the gene was 100 % identical to the LAP isolated from the tongue epithelium of Bos taurus. The 195 bp cDNA of LAP codes for 64 amino acids and of which 50% are cationic amino acids. Phylogenetic studies indicate that LAP of reproductive epithelium of buffalo is different from other beta defensins isolated from the various tissues of same species, but all beta defensin were found to have the same progenitor gene. It is concluded that buffalo reproductive tract epithelium lining contains LAP.

Key words: Antimicrobial Peptide, Reproduction, Buffalo, Milk Production, Meat Production, Amino acid.

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