Alcohol dehydrogenase and hydrogenase transcript fluctuations during a day-night cycle in Chlamydomonas reinhardtii : the role of anoxia

© The Authors (2010). Journal compilation © New Phytologist Trust (2010).

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 190(2011), 2 vom: 01. Apr., Seite 488-98
1. Verfasser: Whitney, Larisa Angela Swirsky (VerfasserIn)
Weitere Verfasser: Loreti, Elena, Alpi, Amedeo, Perata, Pierdomenico
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2011
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Culture Media RNA, Messenger Alcohol Dehydrogenase EC 1.1.1.1 Hydrogenase EC 1.12.7.2 Oxygen S88TT14065
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245 1 0 |a Alcohol dehydrogenase and hydrogenase transcript fluctuations during a day-night cycle in Chlamydomonas reinhardtii  |b the role of anoxia 
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520 |a • The unicellular green alga Chlamydomonas reinhardtii contains two iron (Fe)-hydrogenases which are responsible for hydrogen production under anoxia. In the present work the patterns of expression of alcohol dehydrogenase, a typical anaerobic gene in plants, of the hydrogenases genes (HYD1, HYD2) and of the genes responsible for their maturation (HYDEF, HYDG), were analysed. • The expression patterns were analysed by real-time reverse-transcription polymerase chain reaction in Chlamydomonas cultures during the day-night cycle, as well as in response to oxygen availability. • The results indicated that ADH1, HYD1, HYD2, HYDEF and HYDG were expressed following precise day-night fluctuations. ADH1 and HYD2 were modulated by the day-night cycle. Low oxygen plays an important role for the induction of HYD1, HYDEF and HYDG, while ADH1 and HYD2 expression was relatively insensitive to oxygen availability. • The regulation of the anaerobic gene expression in Chlamydomonas is only partly explained by responses to anoxia. The cell cycle and light-dark cycles are equally important elements in the regulatory network modulating the anaerobic response in Chlamydomonas 
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700 1 |a Loreti, Elena  |e verfasserin  |4 aut 
700 1 |a Alpi, Amedeo  |e verfasserin  |4 aut 
700 1 |a Perata, Pierdomenico  |e verfasserin  |4 aut 
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