Gametogenesis in Chlamydomonas III. Daily fluctuation of sex-competence

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概要

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• The daily fluctuation of sex-competence in Chlamydomonas cells grown in synchronous vegetative cultures was investigated. 1) The sex-competence of cells in synchronous vegetative cultures fluctuated during the light-dark cycle ; being high in the late dark phase to early light phase, low in the early dark phase, and highest at the end of the dark phase (D-12 ; the time of release of daughter cells). 2) There was also a daily fluctuation in the sex-competence of cells in gametogenic cultures during incubation in the dark except at a low temperature (7℃) . This daily fluctuation in gametogenic cultures in the dark occurred without cell multiplication. 3) The pregamete (and/or the latent gamete) discussed in the preceding paper (1) might have an inactive form of sex-competence.

著者

• Ishiura Masahiro

  Department Of Biology College Of General Education Osaka University

• Iwasa Kozo

  Department of Biology, College of General Education, Osaka University

• Iwasa Kozo

  Department Of Biology College Of General Education Osaka University

関連論文

• IDENTIFICATION OF CYANOBACTERIAL CLOCK GENES
• Gametogenesis in Chlamydomonas III. Daily fluctuation of sex-competence
• Hydrogen evolution by a thermophilic blue-green alga Mastigocladus laminosus
• Gametogenesis in Chlamydomonas II. Effect of cycloheximide on the induction of sexuality
• Gametogenesis of Chlamydomonas in the dark
• Two photophobic responses in Volvox carteri
• Gametogesis in Chlamydomonas I. Effect of light on the induction of sexuality

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