Clostridium halophilium sp. nov. and C. litorale sp. nov., an obligate halophilic and a marine species degrading betaine in the Stickland reaction (original) (raw)

Abstract

Two new mesophilic, sporeforming, gram-positive, strictly anaerobic, rod-shaped bacteria were isolated which utilized betaine in the Stickland reaction. Strain M1 was obtained from pasteurized hypersaline sediments. Cells were motile rods and formed spherical terminal spores. Betaine was used with hydrogen and several amino acids as electron donors. In addition, several carbohydrates served as substrates. Growth required 1.5% NaCl with an optimum at 6.0% NaCl. The guanine plus cytosine content of the DNA was 26.9%. This strain is described as a new species, Clostridium halophilum.

Strain W6 was isolated from marine sediments. Cells were motile rods and formed ovoid, subterminal spores. Betaine was used with hydrogen and several amino acids as electron donors. Carbohydrates were not fermented. Growth optimum was at 1.0% NaCl. The guanine plus cytosine content of the DNA was 26.1%. This strain is described as a new species, Clostridium litorale.

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Abbreviations

DMG:

_N,N_-dimethylglycine

TMA:

trimethylamine

PY:

peptone-yeast extract

PYG:

peptone-yeast extract-glucose

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Authors and Affiliations

  1. Institut für Mikrobiologie der Georg-August-Universität, Grisebachstrasse 8, D-3400, Göttingen, Federal Republic of Germany
    Claudi Fendrich & Gerhard Gottschalk
  2. Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH, Mascheroderweg 1B, D-3300, Braunschweig, Federal Republic of Germany
    Hans Hippe

Authors

  1. Claudi Fendrich
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  2. Hans Hippe
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  3. Gerhard Gottschalk
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Fendrich, C., Hippe, H. & Gottschalk, G. Clostridium halophilium sp. nov. and C. litorale sp. nov., an obligate halophilic and a marine species degrading betaine in the Stickland reaction.Arch. Microbiol. 154, 127–132 (1990). https://doi.org/10.1007/BF00423321

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