Document Detail


Bm65 is Essential for the Propagation of Bombyx mori Nucleopolyhedrovirus.
MedLine Citation:
PMID:  23053485     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Orf65 (Bm65) of Bombyx mori nucleopolyhedrovirus (BmNPV) is a highly conserved gene that encodes an unknown 104-amino acid protein. In the present study, we have shown the role of Bm65 in the baculovirus life cycle. 5'-RACE analysis showed that the transcription start site of Bm65 was 14 nucleotides upstream of the start codon ATG. The transcription profile of Bm65 was detected from 6 to 72 h postinfection (p. i.) by RT-PCR. A Bm65-knockout bacmid was constructed by homologous recombination to characterize the role of Bm65 in viral life cycle. Fluorescence microscopy showed that Bm65-knockout virus was unable to generate infectious budded virus in BmN cells. Furthermore, quantitative real-time PCR analysis demonstrated that Bm65 deletion did not affect the viral DNA replication. To conclude, Bm65 is essential for the propagation of BmNPV, but is unnecessary for the replication of viral DNA.
Authors:
Qi Tang; Guohui Li; Qin Yao; Liang Chen; Fan Feng; Yi Yuan; Keping Chen
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-28
Journal Detail:
Title:  Current microbiology     Volume:  -     ISSN:  1432-0991     ISO Abbreviation:  Curr. Microbiol.     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-10-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7808448     Medline TA:  Curr Microbiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
School of Food and Biological Engineering, Jiangsu University, 301# Xuefu Road, Zhenjiang, 212013, China, tangqi1224@163.com.
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