Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: EC:2.7.7.49 (reverse transcriptase)
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During the course of our bluetongue virus (BTV) nucleic acid sequence investigations, conflicts among United States (US) prototype BTV S9 genome segment sequences deposited in GenBank were noted. In order to rectify these inter-laboratory discrepancies, the S9 segments of Arthropod-borne Animal Diseases Research Laboratory (ABADRL)-stored US prototype BTV 2, BTV 10, BTV 11, BTV 13, and BTV 17 isolates were resequenced. Our S9 sequences, determined by direct sequencing of full-length reverse transcriptase-polymerase chain reaction (RT-PCR) generated amplicons, shared 99% or greater nucleotide identity with one or more respective S9 sequences previously reported. Possible sources of remaining unsupported US prototype BTV S9 sequences were evaluated by amplifying and sequencing the S9 segments of BTV 2 Ona A strain, South African (SA) prototype BTV 1, BTV 2, and BTV 4 strains, and the North American (NA) prototype epizootic hemorrhagic disease virus (EHDV) serotype 2 (Alberta) strain. Comparative analysis using these S9 sequences, as well as sequences of US BTV 2 field isolates, identified potential contributors to inter-laboratory sequence disagreements.
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PMID:Verification of bluetongue virus S9 segment nucleotide sequences. 1168 28