Journal of Japanese Society for Extremophiles
Online ISSN : 1881-5758
Print ISSN : 1348-5474
ISSN-L : 1348-5474
Original paper
Halomonas sp. strain DT-W, a halophile from the 11,000 m-depth of the Mariana Trench
H TamegaiT FurukawaJ NittaS ChikumaM MiyazakiY NogiS ArakawaC KatoK Horikoshi
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2006 Volume 5 Issue 1 Pages 27-33

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Abstract

Moderately halophilic strain DT-W was isolated from the mud of the Mariana Trench. Cells of the organism were rod-shaped (1.5-2.µm x 0.5-0.8 µm) with some flagella extruding from the cells. Growth occurred in an NaCl concentration of about 0.1-15% (optimal: 3-5%), at pH of 6-9, and at temperatures ranging from 4-51°C (optimal: 30-37°C). The results of 16S rDNA analysis and DNA-DNA hybridization analyses showed that DT-W was closely related to Halomonas aquamarina, Halomonas axialensis and Halomonas meridiana. Furthermore, additional physiological properties and the cytochrome contents of DT-W were also analyzed.

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© 2006 Japanese Society for Extremophiles
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