Phylogenetic variation of chelonid alphaherpesvirus 5 (ChHV5) in populations of green turtles Chelonia mydas along the Queensland Coast, Australia

Ariel, E., Nainu, F., Jones, K., Juntunen, K., Bell, I., Gaston, J., Scott, J., and Burgess, G. (2017) Phylogenetic variation of chelonid alphaherpesvirus 5 (ChHV5) in populations of green turtles Chelonia mydas along the Queensland Coast, Australia. Journal of Aquatic Animal Health, 29 (3). pp. 150-157.

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Abstract

Sea turtle fibropapillomatosis (FP) is a disease marked by the proliferation of benign but debilitating cutaneous and occasional visceral tumors, likely to be caused by chelonid alphaherpesvirus 5 (ChHV5). This study presents a phylogeny of ChHV5 strains found on the east coast of Queensland, Australia, and a validation for previously unused primers. Two different primer sets (gB-1534 and gB-813) were designed to target a region including part of the UL27 glycoprotein B (gB) gene and part of UL28 of ChHV5. Sequences obtained from FP tumors found on juvenile green turtles Chelonia mydas (<65 cm curved carapace length) had substantial homology with published ChHV5 sequences, while a skin biopsy from a turtle without FP failed to react in the PCRs used in this study. The resulting sequences were used to generate a neighbor-joining tree from which three clusters of ChHV5 from Australian waters were identified: north Australian, north Queensland, and Queensland clusters. The clusters reflect the collection sites on the east coast of Queensland with a definitive north–south trend.

Item ID: 53276
Item Type: Article (Research - C1)
ISSN: 1548-8667
Funders: World Wide Fund for Nature
Date Deposited: 23 Apr 2018 03:13
FoR Codes: 07 AGRICULTURAL AND VETERINARY SCIENCES > 0707 Veterinary Sciences > 070712 Veterinary Virology @ 100%
SEO Codes: 96 ENVIRONMENT > 9604 Control of Pests, Diseases and Exotic Species > 960412 Control of Plant Pests, Diseases and Exotic Species in Coastal and Estuarine Environments @ 100%
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