This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via CrossRef Citing Articles via Google Scholar Google Scholar Articles by Beck, C. F. Articles by Acker, A. Search for Related Content PubMed PubMed Citation Articles by Beck, C. F. Articles by Acker, A. Agricola Articles by Beck, C. F. Articles by Acker, A.

Development and Growth Regulation

Gametic Differentiation of Chlamydomonas reinhardtii ¹

Control by Nitrogen and Light

Institut für Biologie III, Albert-Ludwigs-Universität, Schänzlestrae 1, D-7800 Freiburg, Federal Republic of Germany

Gametic differentiation of the unicellular green alga Chlamydomonas reinhardtii proceeds in two steps controlled by the extrinsic signals nitrogen deficiency and light. Nitrogen deprivation induces the differentiation of vegetative cells to sexually immature pregametes. A light signal is required to convert the pregametes to gametes. Both signals are also required for the maintenance of mating competence. Two converging signal transduction chains are proposed to control gamete formation. For the differentiation of pregametes to gametes, a fluence rate-dependent reaction, requiring continuous irradiation, is suggested by photobiological experiments.

This article has been cited by other articles:

				K. Huang, D. R. Diener, A. Mitchell, G. J. Pazour, G. B. Witman, and J. L. Rosenbaum Function and dynamics of PKD2 in Chlamydomonas reinhardtii flagella J. Cell Biol., November 5, 2007; 179(3): 501 - 514. [Abstract] [Full Text] [PDF]

				N. Aono, T. Inoue, and H. Shiraishi Genes Specifically Expressed in Sexually Differentiated Female Spheroids of Volvox carteri J. Biochem., October 1, 2005; 138(4): 375 - 382. [Abstract] [Full Text] [PDF]

				X.-K. Hoffmann and C. F. Beck Mating-Induced Shedding of Cell Walls, Removal of Walls from Vegetative Cells, and Osmotic Stress Induce Presumed Cell Wall Genes in Chlamydomonas Plant Physiology, October 1, 2005; 139(2): 999 - 1014. [Abstract] [Full Text] [PDF]

				J. Abe, T. Kubo, T. Saito, and Y. Matsuda The Regulatory Networks of Gene Expression during the Sexual Differentiation of Chlamydomonas reinhardtii, as Analyzed by Mutants for Gametogenesis Plant Cell Physiol., February 1, 2005; 46(2): 312 - 316. [Abstract] [Full Text] [PDF]

				K. Huang, T. Kunkel, and C. F. Beck Localization of the Blue-Light Receptor Phototropin to the Flagella of the Green Alga Chlamydomonas reinhardtii Mol. Biol. Cell, August 1, 2004; 15(8): 3605 - 3614. [Abstract] [Full Text] [PDF]

				K. Huang and C. F. Beck Phototropin is the blue-light receptor that controls multiple steps in the sexual life cycle of the green alga Chlamydomonasreinhardtii PNAS, May 13, 2003; 100(10): 6269 - 6274. [Abstract] [Full Text] [PDF]