Persephonella hydrogeniphila sp. nov., a novel thermophilic, hydrogen-oxidizing bacterium from a deep-sea hydrothermal vent chimney
International Journal of Systematic and Evolutionary Microbiology, ISSN: 1466-5026, Vol: 53, Issue: 3, Page: 863-869
2003
- 67Citations
- 71Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations67
- Citation Indexes67
- 67
- CrossRef59
- Captures71
- Readers71
- 70
Article Description
A novel thermophilic, hydrogen-oxidizing bacterium, designated 29W, was isolated from a deep-sea hydrothermal vent chimney sample collected from the Suiyo Seamount in the Izu-Bonin Arc, Japan, at a depth of 1385 m. The cells were cocci (0.9-1.0 μm in diameter) and straight rods (2.3-2.7 μm long) under static and agitated culture conditions, respectively. The new isolate was an obligate chemolithoautotroph growing by respiratory nitrate reduction with H, forming N as a final product. A very low concentration of O (Optimum 0.6-0.8 %, v/v) was also used as an alternative electron acceptor while reduced sulfur compounds did not serve as electron donors. Anoxic hydrogen-oxidizing growth with nitrate was observed between 50 and 72.5 °C (optimum 70 °C; 40 min doubling time), pH 5.5 and 7.6 (optimum pH 7.2), and in the presence of 1.5 and 5.0 % NaCl (optimum 2.5 %). The G+C content of the genomic DNA was 37.3 mol%. Phylogenetic analysis based on 16S rDNA sequences indicated that the isolate was a member of the recently described genus Persephonella in a potential new family within the order Aquificales. On the basis of the physiological and molecular properties of the new isolate, the name Persephonella hydrogeniphila sp. nov. is proposed. The type strain is strain 29W (=JCM 11663=DSM 15103).
Bibliographic Details
Microbiology Society
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