Literature DB >> 6966511

Correlation of membrane-potential-sensing carotenoid to pigment-protein complex II in Rhodopseudomonas sphaeroides.

K Matsuura, T Ishikawa, M Nishimura.   

Abstract

The changes in carotenoid absorbance induced by illumination or by a diffusion potential were larger in chromatophores from cells cultured under low light intensity than those in chromatophores from high-light culture in a photosynthetic bacterium, Rhodopseudomonas sphaeroides. The carotenoid molecules which are associated with the pigment-protein complex (with the infrared bacteriochlorophyll peaks at 800 and 850 nm) (complex II) probably respond to the electrical field changes in the chromatophore membrane.

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Year:  1980        PMID: 6966511     DOI: 10.1016/0005-2728(80)90204-2

Source DB:  PubMed          Journal:  Biochim Biophys Acta        ISSN: 0006-3002


  3 in total

Review 1.  Conformational coupling in H+-pumps and ATP synthesis--its analysis with anisotropic inhibitors of energy transduction in oxidative phosphorylation.

Authors:  T Higuti
Journal:  Mol Cell Biochem       Date:  1984       Impact factor: 3.396

2.  Comparative studies of two membrane fractions isolated from chemotrophically and phototrophically grown cells of Rhodopseudomonas capsulata.

Authors:  A F Garcia; G Drews; H H Reidl
Journal:  J Bacteriol       Date:  1981-03       Impact factor: 3.490

3.  Theoretical studies of the electrochromic response of carotenoids in photosynthetic membranes.

Authors:  T Kakitani; B Honig; A R Crofts
Journal:  Biophys J       Date:  1982-07       Impact factor: 4.033

  3 in total

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