An established cell line from the beetle, Xylotrechus pyrrhoderus (coleoptera: Cerambycidae)

  • Kikuo Iwabuchi
Cellular Models


A continuous cell line has been established from larval fat body tissues of the cerambycid beetle Xylotrechus pyrrhoderus Bates. These cells were cultured in MGM-450 medium. The cell line, designated as XP-1, showed a heterogeneous population consisting of spherical and spindle-shaped cells with some capacity to adhere and a doubling time of 5 d. The chromosome number of the cell line ranged from 18 to 42 with a mode of 20. Isozyme analysis showed that the cells had patterns distinctive from those of other insect cell lines. The cells were sensitive to insect hormones, and when continuously treated with 20-hydroxyecdysone and juvenile hormone, they assumed a floating elongated-spindle shape and became strongly adherent, respectively.

Key words

Xylotrechus pyrrhoderus Coleoptera cell line ecdysone juvenile hormone 


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Copyright information

© Society for In Vitro Biology 1999

Authors and Affiliations

  • Kikuo Iwabuchi
    • 1
  1. 1.Tokyo University of Agriculture and TechnologyTokyoJapan

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