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Phototropin Is the Blue-Light Receptor That Controls Multiple Steps in the Sexual Life Cycle of the Green Alga Chlamydomonas reinhardtii

Huang, Kaiyao ; Beck, Christoph F.

Proceedings of the National Academy of Sciences - PNAS, 2003-05, Vol.100 (10), p.6269-6274 [Periódico revisado por pares]

United States: National Academy of Sciences

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Título:
Phototropin Is the Blue-Light Receptor That Controls Multiple Steps in the Sexual Life Cycle of the Green Alga Chlamydomonas reinhardtii
Autor: Huang, Kaiyao ; Beck, Christoph F.
Assuntos: Algae ; Animals ; Biological Clocks ; Biological Sciences ; Chlamydomonas reinhardtii - genetics ; Chlamydomonas reinhardtii - growth & development ; Chlamydomonas reinhardtii - physiology ; Cryptochromes ; Drosophila Proteins ; Eye Proteins ; Flavoproteins - genetics ; Flavoproteins - physiology ; Fluence ; Freshwater ; Gametes ; Gametogenesis ; Germination ; Irradiation ; Life Cycle Stages ; Light ; Models, Biological ; Photoreceptor Cells - physiology ; Photoreceptor Cells, Invertebrate ; Photoreceptors ; Plant reproduction ; Receptors ; Receptors, G-Protein-Coupled ; Reproduction ; RNA ; Somatic cells ; Zygotes
É parte de: Proceedings of the National Academy of Sciences - PNAS, 2003-05, Vol.100 (10), p.6269-6274
Notas: ObjectType-Article-2
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Communicated by Winslow R. Briggs, Carnegie Institute of Washington, Stanford, CA
To whom correspondence should be addressed. E-mail: beck@uni-freiburg.de.
Descrição: Blue light as an environmental cue plays a pivotal role in controlling the progression of the sexual life cycle in the green alga Chlamydomonas reinhardtii. Phototropin was considered a prime candidate for the blue-light receptor involved. By using the RNA interference method, knockdown strains with reduced phototropin levels were isolated. Those with severely reduced levels of this photoreceptor were partially impaired in three steps of the life cycle: in gametogenesis, the maintenance of mating ability, and the germination of zygotes. These observations suggest that phototropin is the principal sensory molecule used by this alga for the control of its life cycle by light.
Editor: United States: National Academy of Sciences
Idioma: Inglês

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Phototropin Is the Blue-Light Receptor That Controls Multiple Steps in the Sexual Life Cycle of the Green Alga Chlamydomonas reinhardtii

Huang, Kaiyao ; Beck, Christoph F.

United States: National Academy of Sciences

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