Current Microbiology (2014) 69, 158-163

Huiqing Chen, Mei Li, Guoping Huang, Weijun Mai, Keping Chen and Yajing Zhou (2014)
Bombyx mori nucleopolyhedrovirus ORF101 encodes a budded virus envelope associated protein
Current Microbiology 69 (2), 158-163
Abstract: Orf101 (Bm101) of Bombyx mori nucleopolyhedrovirus (BmNPV) is a highly conserved gene in lepidopteran nucleopolyhedroviruses, but its function remains unknown. In this study, Bm101 was characterized. Transcripts of Bm101 were detected from 24 through 96 h post infection (h p.i.) by RT-PCR. The corresponding protein was also detected from 24 to 96 h p.i. in BmNPV-infected BmN cells by Western blot analysis using a polyclonal antibody against Bm101. Western blot assay of occlusion-derived virus and budded virus (BV) preparations revealed that Bm101 encodes a 28-kDa structural protein that is associated with BV and is located in the envelope fraction of budded virions. In addition, confocal analysis showed that the protein was localized in the cytosol and cytoplasmic membrane in virus-infected cells. In conclusion, the available data suggest that Bm101 is a functional ORF of BmNPV and encodes a protein expressed in the late stage of the infection cycle that is associated with the BV envelope.
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Research topic(s) for pests/diseases/weeds:
molecular biology - genes

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Alphabaculovirus bomori