Chlorophyll Formation and Photosynthetic Competence in Euglena During Light-Induced Chloroplast Development in the Presence of 3, (3,4-dichlorophenyl) 1,1-Dimethyl Urea (DCMU)
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چکیده
منابع مشابه
Chlorophyll Formation and Photosynthetic Competence in Euglena During Light-Induced Chloroplast Development in the Presence of 3, (3,4-dichlorophenyl) 1,1-Dimethyl Urea (DCMU).
The possibility that photosynthetic competence is gratuitous for light-induced chloroplast development in Euglena gracilis var. bacillaris was examined by incubating dark-grown resting cells in the light with DCMU, an inhibitor of photosynthesis. Under these conditions photosynthetic carbon dioxide fixation was inhibited essentially completely at all times during chloroplast development, but ab...
متن کاملLight-Induced Oxidation-Reduction Reactions of Photosystem II in Dichlorophenyl-dimethyl Urea (DCMU) Inhibited Thylakoids
Illumination o f thylakoid membranes in the presence o f 3-(3',4'-dichlorophenyl)-1,1-dimethyl urea (D C M U ) causes the reduction o f the primary quinone acceptor QA o f photosys tem II (PS II) and the storage o f a positive charge on the donor side o f the photochemical reac tion center. These oxidation-reduction reactions are accompanied by characteristic changes o f absorbance in the ult...
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RNA metabolism during light-induced chloroplast development in euglena.
Methods are described which provide good recoveries of non-degraded chloroplast and non-chloroplast RNAs from Euglena gracilis var. bacillaris. These have been characterized by comparing the RNA from W(3)BUL (an aplastidic mutant of Euglena), with that of wild-type cells which have been resolved into chloroplast and non-chloroplast fractions. Using E. coli RNA as a standard, the RNAs from W(3)B...
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ژورنال
عنوان ژورنال: Plant Physiology
سال: 1967
ISSN: 0032-0889,1532-2548
DOI: 10.1104/pp.42.12.1716