Cell cycle parameters in Aedes albopictus mosquito cells

Anna Gerenday, Ann Marie Fallon

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

We have analyzed cell cycle parameters for the Aedes albopictus C7-10 mosquito cell line, which has been systematically developed for somatic cell genetics, expression of transfected genes, and synthesis of hormone-inducible proteins. In rapidly cycling cells, we measured a generation time of 10-12 h. The duration of mitosis (M) was ≤ 1 h, and the DNA synthesis phase (S) required 6 h. Unlike Drosophila melanogaster Kc cells, in which the G2 gap is substantially longer than G1, in C7-10 cells G1 and G2 each lasted approximately 2 h. In these cells, the duration of both S and G2 was independent of the population doubling time, and the increase in population doubling time as cells approached confluency was due to prolongation of G1. When treated with the insect steroid hormone, 20-hydroxyecdysone, C7-10 mosquito cells complete the cycle in progress before undergoing a reversible arrest.

Original languageEnglish (US)
Pages (from-to)307-312
Number of pages6
JournalIn Vitro Cellular and Developmental Biology - Animal
Volume32
Issue number5
DOIs
StatePublished - May 1996

Keywords

  • 20- hydroxyecdysone
  • Aedes albopictus
  • DNA synthesis
  • Drosophila melanogaster
  • insect
  • mitosis

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