Characterization of a cytoplasmic polyhedrosis virus from Estigmene acrea (Lepidoptera) |
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| Authors: | WHR Langridge |
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| Institution: | Boyce Thompson Institute, Cornell University, Tower Road, Ithaca, New York 14853 USA |
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| Abstract: | A cytoplasmic polyhedrosis virus (CPV) containing a segmented double-stranded RNA genome was isolated from Estigmene acrea larvae by isopycnic centrifugation in a sucrose density gradient. Ten double-stranded RNA segments with molecular weights (MW) from 2.8 to 0.67 × 106 were separated by agarose gel electrophoresis. A total of ten virus proteins ranging from 14,000 to 128,000 MW were detected after separation by sodium dodecyl sulfate (SDS)-polyacrylamide gel electrophoresis. A MW of 28,500 was determined for E. acrea CPV occlusion body protein. |
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| Keywords: | cytoplasmic polyhedrosis virus segmented RNA virus virus structural proteins occlusion body protein RNA molecular weights |
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