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Function and biosynthesis of gas vesicles in halophilic Archaea.

Pfeifer, Felicitas and Englert, C. (1992):
Function and biosynthesis of gas vesicles in halophilic Archaea.
In: Journal of bioenergetics and biomembranes, 24 (6), pp. 577-85. ISSN 0145-479X,
[Article]

Abstract

The proteinaceous gas vesicles produced by various microorganisms including halophilic Archaea are hollow, gas-filled structures with a hydrophobic inner and a hydrophilic outer surface. The structural components of gas vesicles and their biosynthesis are still under investigation; an 8-kDa polypeptide appears to be the major constituent of the gas-vesicle envelope. Genetic analysis of the halobacterial gas-vesicle synthesis revealed an unexpected complexity: about 14 genes organized in three transcription units are involved in gas-vesicle structure, assembly, and gene regulation. Here we describe the comparison of three different genomic regions encoding gas vesicles in Halobacterium salinarium (p-vac and c-vac regions) and Haloferax mediterranei (mc-vac region) and speculate on the function of the gene products involved in gas-vesicle synthesis.

Item Type: Article
Erschienen: 1992
Creators: Pfeifer, Felicitas and Englert, C.
Title: Function and biosynthesis of gas vesicles in halophilic Archaea.
Language: English
Abstract:

The proteinaceous gas vesicles produced by various microorganisms including halophilic Archaea are hollow, gas-filled structures with a hydrophobic inner and a hydrophilic outer surface. The structural components of gas vesicles and their biosynthesis are still under investigation; an 8-kDa polypeptide appears to be the major constituent of the gas-vesicle envelope. Genetic analysis of the halobacterial gas-vesicle synthesis revealed an unexpected complexity: about 14 genes organized in three transcription units are involved in gas-vesicle structure, assembly, and gene regulation. Here we describe the comparison of three different genomic regions encoding gas vesicles in Halobacterium salinarium (p-vac and c-vac regions) and Haloferax mediterranei (mc-vac region) and speculate on the function of the gene products involved in gas-vesicle synthesis.

Journal or Publication Title: Journal of bioenergetics and biomembranes
Journal volume: 24
Number: 6
Divisions: 10 Department of Biology > Microbiology and Archaea
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10 Department of Biology
Date Deposited: 14 Feb 2011 10:55
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