1887

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Volume 98, Issue 10

Genomic characterization of a novel iridovirus from redclaw crayfish : evidence for a new genus within the family Open Access

Abstract

A novel iridovirus, iridovirus (CQIV), was identified from diseased in 2014. This virus is considered as a new threat to crustacean aquaculture because it is lethal to both peneaid shrimp and crayfish. Here, we determined the complete genome sequence of CQIV. The double-stranded DNA genome is 165 695 bp in length with a G+C content of 34.6 %. A total of 178 open reading frames (ORFs) have been predicted, encoding hypothetical proteins ranging from 50 to 1327 amino acids. Forty-seven of these exhibit similarities to proteins of known functions. Phylogenetic analysis based on multiple alignments of conserved proteins shows that CQIV clusters with the members of the family , but is placed in a distinct clade from all the five known genera. It indicates that CQIV may represent a new genus in the family , for which we propose the name based on the host organism.

  • Received:
  • Accepted:
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Keyword(s): Cherax quadricarinatus iridovirus (CQIV) , genome sequence , iridovirus and new genus
© 2017 The Authors
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2017-10-01
2024-04-19
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Genomic characterization of a novel iridovirus from redclaw crayfish Cherax quadricarinatus: evidence for a new genus within the family Iridoviridae
J. Gen. Virol. 98, 2589 (2017); https://doi.org/10.1099/jgv.0.000904
/content/journal/jgv/10.1099/jgv.0.000904
/content/journal/jgv/10.1099/jgv.0.000904
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