Photosynthetic Electron Transport Regulates the Stability of the Transcript for the Protochlorophyllide Oxidoreductase Gene in the Liverwort, Marchantia paleacea var. diptera | Zendy

Saeko Eguchi | Zendy; Hiroyoshi Takano | Zendy; Kanji Ono | Zendy; Susumu Takio | Zendy

Open Access

Photosynthetic Electron Transport Regulates the Stability of the Transcript for the Protochlorophyllide Oxidoreductase Gene in the Liverwort, Marchantia paleacea var. diptera

Author(s) -

Saeko Eguchi,

Hiroyoshi Takano,

Kanji Ono,

Susumu Takio

Publication year - 2002

Publication title -

plant and cell physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.975

H-Index - 152

eISSN - 1471-9053

pISSN - 0032-0781

DOI - 10.1093/pcp/pcf064

Subject(s) - protochlorophyllide , dcmu , oxidoreductase , photosynthesis , biology , biochemistry , microbiology and biotechnology , photosystem ii , enzyme

The transfer of Marchantia paleacea var. diptera cells to darkness caused a reversible repression in the accumulation of transcript for a gene, por, encoding the NADPH: protochlorophyllide oxidoreductase (EC 1.3.1.33). The photosynthetic inhibitor DCMU and DBMIB repressed the accumulation in light. In the presence of transcription inhibitor cordycepin, not only incubation in the dark but also addition of DCMU or DBMIB in light stimulated the degradation of the por transcript. These findings suggest that photosynthetic electron transport is involved in regulating the stability of the por transcript.

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