Properties of photosynthetic mutants isolated from Euglena gracilis [Algae]

Four different photosynthetic mutants of Euglena gracilis were characterized as to their lesions in photosynthetic electron transport. Two were defective around photosystem II: one, in elctron transport on the oxidizing side of photosystem II, and the second lacked cytochrome 558. The location of th...

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Bibliographic Details
Published in:Plant physiology (Bethesda) 1975, Vol.55 (1), p.137-141
Main Authors: Shneyour, A, Avron, M
Format: Article
Language:English
Subjects:
Cell growth
Chloroplasts
Cytochromes
Euglena
Phosphorylation
Photochemical reactions
Photophosphorylation
Photosynthesis
Plant cells
Plants
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Summary:Four different photosynthetic mutants of Euglena gracilis were characterized as to their lesions in photosynthetic electron transport. Two were defective around photosystem II: one, in elctron transport on the oxidizing side of photosystem II, and the second lacked cytochrome 558. The location of the defect in the third mutant was concluded to be in the carbon fixation cycle, since it could catalyse both photosynthetic electron transport and photophosphorylation. The fourth mutant had a defect in its mechanism of photophosphorylation.
ISSN:0032-0889
1532-2548
DOI:10.1104/pp.55.1.137