Comparison of nuclear polyhedrosis virus replication in five lepidopteran cell lines |
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Authors: | D.E. Lynn W.F. Hink |
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Affiliation: | Department of Entomology, The Ohio State University, Columbus, Ohio 43210 USA |
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Abstract: | Comparative studies were performed on the replication of the Autographa californica nuclear polyhedrosis virus in cell lines from Estigmene acrea, BTI-EAA; Lymantria dispar, IPLB-LD64BA; Mamestra brassicae, IZD-MB0503; Spodoptera frugiperda, IPLB-SF1254; and Trichoplusia ni, TN-368. Significant differences were observed in the amount of virus obtained from the cell lines, with M. brassicae and T. ni producing more polyhedra than the other lines. These two cell lines also produced nonoccluded virus most rapidly, followed by S. frugiperda, E. acrea, and L. dispar. Sensitivities of the cell lines to infection by the virus, as determined by plaque formation, followed the same pattern, with M. brassicae being most sensitive and L. dispar least so. The T. ni cell line produced polyhedra which were more pathogenic to T. ni larvae than those from the other cells. These differences have important implications in the application of cell cultures in the development of microbial insecticides. |
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Keywords: | insect cell culture in vitro virus replication |
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