The influence of 2-hydroxybiphenyl on membranes of Rhodospirillum rubrum
Identifieur interne : 000D99 ( Main/Exploration ); précédent : 000D98; suivant : 000E00The influence of 2-hydroxybiphenyl on membranes of Rhodospirillum rubrum
Auteurs : B. Maudinas [France] ; J. Oelze ; J. Villoutreix [France] ; O. Reisinger [France]Source :
- Archiv für Mikrobiologie [ 0003-9276 ] ; 1973-09-01.
English descriptors
- Teeft :
- Absorption spectra, Acetic acid, Batch cultures, Bchl synthesis, Carotenoid, Carotenoid synthesis, Colored carotenoids, Concentric membrane layers, Concentric membraneous layers, Electron microscopy, Higher concentrations, Inhibitor, Inhibitor concentration, Intracytoplasmic, Intracytoplasmic membrane development, Intracytoplasmic membranes, Intraeytoplasmie membranes, Light intensity, Maudinas, Maudinas laboratoire, Membrane, Membrane proteins, Mutant strains, Oelze, Photosynthetic bacteria, Protein patterns, Rhodopseudomonas spheroides, Rhodospirillum, Rhodospirillum rubrum, Rubrum, Sciences pharmaceutiques, Vesicular intracytoplasmic membranes, Whole cells.
Abstract
Summary: The effects of 2-hydroxybiphenyl upon intracytoplasmic membranes of Rhodospirillum rubrum were investigated. At concentrations of 110 and 165 μM of 2-hydroxybiphenyl growth was delayed, it stopped completely at a concentration of 330 μM. In the latter case, instead of vesicular intracytoplasmic membranes concentric membraneous layers were found in electronmicrographs of whole cells. Inhibitor concentrations which still permit growth do not change the general appearance of intracytoplasmic membranes either in situ or in the isolated form. However, the formation of intracytoplasmic membranes was more affected by the presence of the inhibitor than was growth. Although by electron microscopy no effect of 2-hydroxybiphenyl on intracytoplasmic membranes could be revealed there were considerable influences on membrane composition. This concerned the formation of colored carotenoids and specifically the patterns of membrane proteins.
Url:
DOI: 10.1007/BF00412021
Affiliations:
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Le document en format XML
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Mikrobiol.</title><idno type="ISSN">0003-9276</idno><idno type="eISSN">1432-072X</idno><imprint><publisher>Springer-Verlag</publisher><pubPlace>Berlin/Heidelberg</pubPlace><date type="published" when="1973-09-01">1973-09-01</date><biblScope unit="volume">93</biblScope><biblScope unit="issue">3</biblScope><biblScope unit="page" from="219">219</biblScope><biblScope unit="page" to="228">228</biblScope></imprint><idno type="ISSN">0003-9276</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0003-9276</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="Teeft" xml:lang="en"><term>Absorption spectra</term><term>Acetic acid</term><term>Batch cultures</term><term>Bchl synthesis</term><term>Carotenoid</term><term>Carotenoid synthesis</term><term>Colored carotenoids</term><term>Concentric membrane layers</term><term>Concentric membraneous layers</term><term>Electron microscopy</term><term>Higher concentrations</term><term>Inhibitor</term><term>Inhibitor concentration</term><term>Intracytoplasmic</term><term>Intracytoplasmic membrane development</term><term>Intracytoplasmic membranes</term><term>Intraeytoplasmie membranes</term><term>Light intensity</term><term>Maudinas</term><term>Maudinas laboratoire</term><term>Membrane</term><term>Membrane proteins</term><term>Mutant strains</term><term>Oelze</term><term>Photosynthetic bacteria</term><term>Protein patterns</term><term>Rhodopseudomonas spheroides</term><term>Rhodospirillum</term><term>Rhodospirillum rubrum</term><term>Rubrum</term><term>Sciences pharmaceutiques</term><term>Vesicular intracytoplasmic membranes</term><term>Whole cells</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Summary: The effects of 2-hydroxybiphenyl upon intracytoplasmic membranes of Rhodospirillum rubrum were investigated. At concentrations of 110 and 165 μM of 2-hydroxybiphenyl growth was delayed, it stopped completely at a concentration of 330 μM. In the latter case, instead of vesicular intracytoplasmic membranes concentric membraneous layers were found in electronmicrographs of whole cells. Inhibitor concentrations which still permit growth do not change the general appearance of intracytoplasmic membranes either in situ or in the isolated form. However, the formation of intracytoplasmic membranes was more affected by the presence of the inhibitor than was growth. Although by electron microscopy no effect of 2-hydroxybiphenyl on intracytoplasmic membranes could be revealed there were considerable influences on membrane composition. 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