Summary
Heliothis cell lines originated from different laboratories were characterized by isoenzyme analysis and then evaluated for their ability to produce the single nuclear polyhedrosis virus ofHeliothis zea (HzSNPV). A cloned cell line (designated Hzlb3), whose homogeneity was supported by both morphological and isoenzyme analysis, was derived from a parental line (Hzl). Significantly greater yields (about 10-fold) of tissue-culture-derived, non-occluded virus (TCNOV) were obtained when compared to the parental line. The Hzlb3 clone also gave significantly higher yields of TCNOV than the Hz3 and UND-K cell lines. Although lines Hzl, Hz3, and Hzlb3 produced significantly more polyhedral inclusion bodies (PIB) than line UND-K, the infectivity of PIB from UND-K equaled that of lines Hzl and Hzlb3.
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Rice, W.C., McIntosh, A.H. & Ignoffo, C.M. Yield and activity of theHeliothis zea single nuclear polyhedrosis virus propagated in cloned and uncloned lines ofHeliothis cells. In Vitro Cell Dev Biol 25, 201–204 (1989). https://doi.org/10.1007/BF02626179
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DOI: https://doi.org/10.1007/BF02626179