Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:2.7.7.48 (transcriptase)
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We report here molecular characterization of complete genomic segment-2 of picobirnavirus (PBV) strains PBV/Cat/KNA/K40/2014 and PBV/Dog/KNA/RVC7/2015 detected in a cat (Felis catus) and a dog (Canis lupus familiaris), respectively, on the Caribbean island of St. Kitts. To obtain the full-length nucleotide (nt) sequence of gene segment-2 of the canine and feline PBV strains, the 5'- and 3'- portions of gene segment-2 containing an overlapping region were amplified using a non-specific primer-based amplification method with modifications. The complete gene segment-2 of feline PBV strain K40 and canine PBV strain RVC7 was 1784nt and 1689nt long, respectively, and encoded a putative RNA-dependent RNA polymerase (RdRp) of 534 amino acid (aa) and 531 aa, respectively. The complete gene segment-2 of strains K40 and RVC7 exhibited a high degree of genetic diversity between themselves, and with those of PBVs from other host species. On the other hand, both the canine and feline PBV strains retained the 5'- and 3'- end nucleotide sequences and the three domains of putative RdRp that are conserved in PBVs. To our knowledge, this is the first report on molecular characterization of complete gene segment-2 of PBV strains detected in cats and dogs, allowing us to study the features of putative RdRps of PBVs in these host species, and providing important insights into the genetic makeup and evolution of feline and canine PBV strains. PBVs were detected for the first time in cats and dogs from the Caribbean region.
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PMID:Molecular characterization of complete genomic segment-2 of picobirnavirus strains detected in a cat and a dog. 2868 78