Journal Article

Dark Induction of the Non-Photochemical Quenching of Chlorophyll Fluorescence by Acetate in <i>Chlamydomonas reinhardtii</i>

Tsuyoshi Endo and Kozi Asada

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 37, issue 4, pages 551-555
Published in print June 1996 | ISSN: 0032-0781
e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/oxfordjournals.pcp.a028979
Dark Induction of the Non-Photochemical Quenching of Chlorophyll Fluorescence by Acetate in Chlamydomonas reinhardtii

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Addition of acetate to a suspension of Chlamydomonas reinhardtii cells in darkness induced transient and biphasic non-photochemical quenching of Chl fluorescence (qN) due to ApH-dependent down-regulation of PSII and the transition from state 1 to state 2. We propose that acetate-induced stimulation of the chlororespiratory electron flow triggers the regulation of PSII.

Keywords: Acetate; Chlamydomonas reinhardtii; chlorophyll fluorescence; Chlororespiration; p700; State transition

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Subjects: Biochemistry ; Molecular and Cell Biology ; Plant Sciences and Forestry

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