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Genomic sequence analysis of Helicoverpa armigera nucleopolyhedrovirus isolated from Australia |
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| Authors: | Huan Zhang Qing Yang Qi-Lian Qin Wei Zhu Zhi-Fang Zhang Yi-Nü Li Ning Zhang Ji-Hong Zhang |
| Affiliation: | 1. State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China 3. Henan Jiyuan Baiyun Industry Co., Ltd, Henan, 459002, China 2. Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China |
| 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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