Home Acta Virologica 2007 Acta Virologica Vol.51, p.239-247, 2007

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Quarterly, 72-88 pp. per issue
Founded: 1957
ISSN 0001-723X
E-ISSN 1336-2305

Published in English

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Acta Virologica Vol.51, p.239-247, 2007

Title: SEQUENCE AND PHYLOGENETIC ANALYSIS OF THE S-CLASS GENOME SEGMENTS OF A DUCK ORTHOREOVIRUS
Author: Y. ZHANG, M. LIU, L. QU, W. XIANG, D. GUO, X. YUAN, M. GE, C. ZHANG

Abstract: In spite of common properties duck orthoreoviruses (DRVs) are antigenically different from other avian orthoreoviruses (ARVs). We analyzed the S-class genome segments of the DRV S12 and compared them with S-class genome segments of other orthoreoviruses compared to those of ARV S1133. The full-length S-class σA, σB, σNS, and σC genes were determined and compared with other ARVs to study the degree of genetic divergence and evolution of DRVs. The alignment of the DRV S12 σA, σB, σNS, and σC genes with DRV 89026 showed 90.0%, 93.6%, 88.0%, and 93.1% nucleotide identity and 97.1%, 94.3%, 95.8%, and 93.7% amino acid identity, respectively. The alignment of the DRV S12 σA, σB, σNS, and σC genes with other ARVs revealed 76.0–77.1%, 52.5–55.1%, 78.4–79.6%, and 2.7–9.9% nucleotide identity and 89.5–91.2%, 61.4–62.0%, 91.6–92.7% and 22.6–26.7% amino acid identity, respectively. Phylogenetic analyses demonstrated that DRVs were quite different from other ARVs and provided the evidence for the diversity among avian orthoreoviruses.

Keywords: duck orthoreovirus; σA, σB, σNS, and σC genes; phylogenetic analysis
Year: 2007, Volume: 51, Issue: Page From: 239, Page To: 247



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