Demonstration of two 3,3'-diaminobenzidine oxidation reactions associated with photosynthetic membranes in anaerobic light-grown Rhodospirillum rubrum. | Zendy

Fred J. Stevens | Zendy; H. Stuart Pankratz | Zendy; R L Uffen | Zendy

Open Access

Demonstration of two 3,3'-diaminobenzidine oxidation reactions associated with photosynthetic membranes in anaerobic light-grown Rhodospirillum rubrum.

Author(s) -

Fred J. Stevens,

H. Stuart Pankratz,

R L Uffen

Publication year - 1977

Publication title -

journal of histochemistry and cytochemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.971

H-Index - 124

eISSN - 1551-5044

pISSN - 0022-1554

DOI - 10.1177/25.11.410873

Subject(s) - rhodospirillum rubrum , anaerobic exercise , photosynthesis , chemistry , membrane , photochemistry , oxygen , white light , photosystem ii , biophysics , biochemistry , biology , enzyme , materials science , organic chemistry , physiology , optoelectronics

Photosynthetic membranes of anaerobic light-grown Rhodospirillum rubrum oxidized 3,3'-diaminobenzidine. When glutaraldehyde-treated cells were exposed to 3,3'-diaminobenzidine in the light aerobically, the oxidation appeared to occur by two systems. One reaction was stimulated by white light and the second required molecular oxygen. The O2-dependent activity was inhibited by KCN.

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