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Changes in Fatty Acid Composition of Chromohalobacter israelensis with Varying Salt Concentrations

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Abstract

The adaptation of fatty acid composition of Chromohalobacter israelensis, a euryhalophilic bacterium, grown at different salt concentrations was studied. C. israelensis tolerated NaCl up to concentrations of 20% (w/v) and showed optimal growth at 7% (w/v). Major fatty acids of this bacterium were palmitic acid (16:0), stearic acid (18:0), palmetoleic acid (16:1cisΔ9), and cis-vaccenic acid (18:1Δ11). The salt concentration strongly influenced the fatty acid composition. In the presence of sub-optimal salt concentrations, the degree of saturation decreased, suggesting the importance of salt in maintaining the osmotic balance of the cell with its environment.

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Acknowledgments

We thank Dr. Marcell Nikolausz, UFZ for the identification of the bacterial strain and the German Academic Exchange Service (DAAD) for providing financial support to Mr. Mutnuri.

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Authors and Affiliations

  1. Department of Bioremediation, UFZ-Centre for Environmental Research, Permoserstrasse 15, 04318, Leipzig, Germany

    Srikanth Mutnuri, Matthias Kastner & Hermann J. Heipieper

  2. Centre for Environmental Studies, Anna University, Chennai, 600025, India

    Srikanth Mutnuri & N. Vasudevan

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  1. Srikanth Mutnuri
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  2. N. Vasudevan
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  3. Matthias Kastner
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  4. Hermann J. Heipieper
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Correspondence to Hermann J. Heipieper.

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Mutnuri, S., Vasudevan, N., Kastner, M. et al. Changes in Fatty Acid Composition of Chromohalobacter israelensis with Varying Salt Concentrations. Curr Microbiol 50, 151–154 (2005). https://doi.org/10.1007/s00284-004-4396-2

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  • DOI: https://doi.org/10.1007/s00284-004-4396-2

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