title: Centriole size modifications during the cell cycle of the amoebae of the mxyomycete Physarum polycephalum.
abstract: Anterior and posterior centrioles of Physarum amoebae are indistinguishable by their size during interphase but there is a correlation between the size of the two centrioles in the same amoeba. The interphase length of centrioles in diploid amoebae possessing only one pair of centrioles was 11% longer than in the case of the haploid strain. Treatment with taxol led to a 23 and 32% increase of the mean length in interphase and blocked mitosis, respectively. Conversely, during control mitosis the parental centrioles showed a 12% decrease of their mean length while the size of the daughter centrioles increased progressively. Neither nocodazole nor cold treatment induce a decrease of centriole length. The mean length of the cartwheel structure (internal proximal part) although constant during mitosis could be increased 24% in the presence of taxol. Similarly there was a correlation between the number of anterior satellites and the centriole length.
authors.forename: C
authors.initials: C
authors.lastname: Gely
authors.forename: M
authors.initials: M
authors.lastname: Wright
mesh_terms: D000470:Alkaloids / Q000494:pharmacology; D000818:Animals; D001562:Benzimidazoles / Q000494:pharmacology; D002453:Cell Cycle; D002502:Centrioles / Q000648:ultrastructure*; D006238:Haploidy; D007399:Interphase; D008854:Microscopy, Electron; D008870:Microtubules / Q000187:drug effects / Q000648:ultrastructure; D008938:Mitosis; D015739:Nocodazole; D017239:Paclitaxel; D010804:Physarum / Q000648:ultrastructure
chemical_list: D000470:Alkaloids; D001562:Benzimidazoles; D017239:Paclitaxel; D015739:Nocodazole