Cytochrome b/f Complex Is Not Involved in Respiration in the Cyanobacterium Synechocystis PCC 6803 Grown Photoautotrophycally

Tsuyoshi ENDO

doi:10.1271/bbb.61.1770

Bioscience, Biotechnology, and Biochemistry

Online ISSN : 1347-6947
Print ISSN : 0916-8451

Cytochrome b/f Complex Is Not Involved in Respiration in the Cyanobacterium Synechocystis PCC 6803 Grown Photoautotrophycally

Tsuyoshi ENDO

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Keywords: cytochrome b/f complex, cyanobacterium, photosysthesis, respiration, Synechocysits PCC 6803

JOURNAL FREE ACCESS

1997 Volume 61 Issue 10 Pages 1770-1771

DOI https://doi.org/10.1271/bbb.61.1770

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Abstract

Respiratory oxygen uptake was not suppressed by the inhibitor of the quinol oxidation site of cytochrome b/f complex 2, 5-dibromo-3-methyl-6-isopropyl-p-benzoquinone (DBMIB), but by farred illumination in Synechocystis PCC 6803 cells grown photoautotrophically. It is proposed that cytochrome b/f complex is not involved in the respiratory electron transport.

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