Effect of environmental factors on the composition of lipopolysaccharides released from the Rhodobacter capsulatus cell wall

The goal of this study was to compare the environmental factors that determine viability of the gram-negative photosynthesizing bacteria Rhodobacter capsulatus (specifically, light and growth medium composition) and to assess the effect of these factors on the synthesis and composition of lipopolysa...

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Published inIzvestiia Akademii nauk. Seriia biologicheskaia no. 2; p. 168
Main Authors Zubova, S V, Melzer, M, Prokhorenko, I R
Format Journal Article
LanguageRussian
Published Russia (Federation) 01.03.2005
Subjects
Cell Wall - chemistry
Culture Media
Light
Lipopolysaccharides - chemistry
Lipopolysaccharides - metabolism
Rhodobacter capsulatus - chemistry
Rhodobacter capsulatus - growth & development
Rhodobacter capsulatus - radiation effects
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Summary:The goal of this study was to compare the environmental factors that determine viability of the gram-negative photosynthesizing bacteria Rhodobacter capsulatus (specifically, light and growth medium composition) and to assess the effect of these factors on the synthesis and composition of lipopolysaccharides released from the cell wall. Depletion of medium resulted in the release of lipopolysaccharides with a truncated polysaccharide fragment. It is concluded that, due to high viability of these bacteria, the main factor that induced lipopolysaccharide release from the cell wall, irrespective of culturing conditions, is cell division rather than cell death.
ISSN:1026-3470