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Characterization of a late gene, ORF67 from Bombyx mori nucleopolyhedrovirus.

Hui-qing Chen | Ke-ping Chen | Qin Yao | Zhong-jian Guo | Ling-ling Wang
FEBS letters | 2007

Open reading frame 67 of Bombyx mori nucleopolyhedrovirus (BmORF67) is a homologue of Autographa californica multiple NPV ORF81. The gene is conserved among all baculoviruses and is thus considered a baculovirus core gene. The transcript of BmORF67 was detected at 18-72 h post-infection (p.i.). Polyclonal antiserum raised to a His-BmORF67 fusion protein recognized BmORF67 in infected cell lysates from 24 to 72 h p.i., suggesting that BmORF67 is a late gene. BmORF67 was not detected either in budded viruses or occlusion-derived virus. Immunofluoresence analysis showed that the protein located in the cytoplasm and interacted with host protein actin A3. In conclusion, BmORF67 is a late protein localized in the cytoplasm of infected cells that interacts with host protein.

Pubmed ID: 18053810

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