Abstract
The complete genomic sequence of Helicoverpa armigera nucleopolyhedrovirus from Australia, HearNPV-Au, was determined and analyzed. The HearNPV-Au genome was 130,992 bp in size with a G + C content of 39 mol% and contained 134 predicted open reading frames (ORFs) consisting of more than 150 nucleotides. HearNPV-Au shared 94 ORFs with AcMNPV, HearSNPV-G4 and SeMNPV, and was most closely related to HearSNPV-G4. The nucleotide sequence identity between HearNPV-Au and HearSNPV-G4 genome was 99 %. The major differences were found in homologous regions (hrs) and baculovirus repeat ORFs (bro) genes. Five hrs and two bro genes were identified in the HearNPV-Au genome. All of the 134 ORFs identified in HearNPV-Au were also found in HearSNPV-G4, except the homologue of ORF59 (bro) in HearSNPV-G4. The sequence data strongly suggested that HearNPV-Au and HearSNPV-G4 belong to the same virus species.
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Acknowledgments
This work was supported by the grants from the “863” Project (2011AA10A204), the International Cooperation Project (2011-G4) and the Knowledge Innovation Program of the Chinese Academy of Sciences (KSCX2-EW-G-16).
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H. Zhang and Q. Yang contributed equally to the work.
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705_2013_1823_MOESM1_ESM.tif
Supplementary material 1 (TIFF 5591 kb) Supplementary Figure: HearNPV-Au repeated sequences containing type A repeats (tttaaaccggtcttggatcttttcgttcgaaacgggccgtgatcttttgtttcgactcgtgacc) (A) and type B repeats (aaaaaacaaattacgtcatcgacatagaatattgcatcatttttaaattcgaaactagcccgctttcatatgaaaccctcggcgaagatcgattatatttgttctagaacattcgacggcttgacccaaaaaaacaaatgacgtcat) (B) were aligned in Clustal X and displayed in GeneDoc. The repeats are denoted according to their presence in a homologous region (hr1–hr5), their type (a or b), their order in the hr, and whether they occur in the reverse orientation (r) or not. Shading is used to indicate conserved sequences. In type A repeats, black indicates >75 % identity, and grey indicates 55 %-75 % identity; in type B repeats, black indicates >90 % identity, and grey indicates 70 %-90 % identity. Direct repeats (boxed) in type B repeats are indicated
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Zhang, H., Yang, Q., Qin, QL. et al. Genomic sequence analysis of Helicoverpa armigera nucleopolyhedrovirus isolated from Australia. Arch Virol 159, 595–601 (2014). https://doi.org/10.1007/s00705-013-1823-3
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DOI: https://doi.org/10.1007/s00705-013-1823-3