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Increased rate of cyclic photophophorylation in preparations from Anabaena variabilis cells grown in the presence of diphenylamine
Author(s) -
Neumann Joseph,
Ogawa Teruo,
Ver Leo P.
Publication year - 1970
Publication title -
febs letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.593
H-Index - 257
eISSN - 1873-3468
pISSN - 0014-5793
DOI - 10.1016/0014-5793(70)80641-x
Subject(s) - diphenylamine , anabaena variabilis , phenazine , chemistry , phosphorylation , biochemistry , biology , organic chemistry , cyanobacteria , bacteria , genetics
Cell free homogenates and membrane fractions prepared from Anabaena variabilis cells grown in the presence of diphenylamine have markedly higher activities for cyclic phosphorylation than similar preparations from normal cells. The preparations from diphenylamine‐grown cells are also more active in system I mediated electron transport from reduced dichloroindophenol to oxygen or methyl viologen. The light intensity required to saturate phenazine methosulphate‐supported cyclic phosphorylation, in such preparations, is higher than for preparations for normal cells.