DOI: 10.1016/0014-5793(93)80074-5. Interaction of carbonyl cyanide <i>m</i>‐chlorophenylhydrazone with the photosystem II acceptor side

Interaction of carbonyl cyanide m‐chlorophenylhydrazone with the photosystem II acceptor side

10.1016/0014-5793(93)80074-5

Crossref journal-article

Wiley

FEBS Letters (311)

Abstract

We show that CCCP, known as an uncoupler of photophosphorylation and an ADRY agent, inhibits FeCy photoreduction and coupled O2 evolution by isolated chloroplasts equally (150 ∼ 2μM), but is practically without effect on the O2 evolution coupled with SiMo reduction within the 0.2–10μM concentration range. CCCP has no effect on the nanosecond chlorophyll fluorescence in chloroplasts incubated at low light intensity, but decreases it at high light intensity. The electron transfer from reduced TMPD or duroquinol to methylviologen is resistant to CCCP. The efficiency of the CCCP inhibitory action on the FeCy photoreduction depends on the rate of electron flow, which is controlled by the light intensity. The data obtained show that CCCP is oxidized by the photosystem II donor side and is reduced by Qp, competing for electrons with FeCy and the cytochrome blf complex.

Bibliography

Samuilov, V. D., & Barsky, E. L. (1993). Interaction of carbonyl cyanide mâchlorophenylhydrazone with the photosystem II acceptor side. FEBS Letters, 320(2), 118â120. Portico.

Authors 2

Vitaly D. Samuilov (first)
Eugene L. Barsky (additional)

References 17 Referenced 9

10.1016/0005-2728(92)90133-M
10.1016/0005-2728(84)90028-8
10.1111/j.1432-1033.1972.tb01835.x
10.1016/0005-2728(73)90026-1
10.1016/0005-2728(85)90098-2
10.1016/0005-2728(82)90115-3
10.1016/0005-2728(71)90015-6
10.1016/0005-2728(74)90134-0
{'key': 'e_1_2_1_10_1', 'first-page': '434', 'volume': '56', 'author': 'Barsky E.L.', 'year': '1991', 'journal-title': 'Biokhimiya'} / Biokhimiya by Barsky E.L. (1991)
10.1016/1011-1344(91)80056-N
10.1016/0014-5793(86)81330-8
10.1073/pnas.78.2.981
10.1515/znc-1983-9-1020
10.1016/0005-2728(88)90033-3
10.1016/S0005-2728(05)80252-X
10.1016/0005-2728(87)90141-1
10.1016/0005-2728(86)90085-X

Dates

Type	When
Created	23 years, 1 month ago (July 25, 2002, 3:42 a.m.)
Deposited	1 year, 11 months ago (Sept. 16, 2023, 9:49 p.m.)
Indexed	1 month, 4 weeks ago (July 2, 2025, 2:11 a.m.)
Issued	32 years, 4 months ago (April 5, 1993)
Published	32 years, 4 months ago (April 5, 1993)
Published Online	23 years, 9 months ago (Nov. 2, 2001)
Published Print	32 years, 4 months ago (April 5, 1993)

Funders 0

None

BibTeX

@article{Samuilov_1993, title={Interaction of carbonyl cyanide m‐chlorophenylhydrazone with the photosystem II acceptor side}, volume={320}, ISSN={1873-3468}, url={http://dx.doi.org/10.1016/0014-5793(93)80074-5}, DOI={10.1016/0014-5793(93)80074-5}, number={2}, journal={FEBS Letters}, publisher={Wiley}, author={Samuilov, Vitaly D. and Barsky, Eugene L.}, year={1993}, month=apr, pages={118–120} }

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