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Development of a continuous cell line from the insect egg parasitoid,Trichogramma pretiosum (Hymenoptera; Trichogrammatidae)

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Summary

A cell line (IPLB-TpE1) was established from embryos of the hymenopteran parasitoid,Trichogramma pretiosum Riley. Cultures contain a mixture of attached, elongate spindle-shaped cells and large aggregates of suspended cells. Chromosomes of the cells were typical ofTrichogramma species and isozyme characterization showed patterns similar toT. pretiosum adults, but distinctly different fromHeliothis zea, the lepidopteran host from which parasite eggs were obtained. The cells are capable of growth over a wide range of osmotic pressures with equal growth between 350 and 600 mOsm/kg. Optimal growth was obtained with a pH of 6.5. Doubling time at the 40th passage was 72 h and cultures are currently subcultured at weekly intervals.

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Authors and Affiliations

  1. Insect Pathology Laboratory and Beneficial Insect Introduction Laboratory, USDA, Agricultural Research Service, Beltsville Agricultural Research Center, 20705, Beltsville, Maryland

    D. E. Lynn & A. C. F. Hung

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  1. D. E. Lynn
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  2. A. C. F. Hung
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The mention of a commercial product does not constitute an endorsement by the U. S. Department of Agriculture.

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Lynn, D.E., Hung, A.C.F. Development of a continuous cell line from the insect egg parasitoid,Trichogramma pretiosum (Hymenoptera; Trichogrammatidae). In Vitro Cell Dev Biol 22, 440–442 (1986). https://doi.org/10.1007/BF02623443

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  • DOI: https://doi.org/10.1007/BF02623443

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