Sulfurovum lithotrophicum gen. nov., sp. nov., a novel sulfur-oxidizing chemolithoautotroph within the epsilon-Proteobacteria isolated from Okinawa Trough hydrothermal sediments

International Journal of Systematic and Evolutionary Microbiology
Fumio InagakiKoki Horikoshi

Abstract

A novel mesophilic sulfur- and thiosulfate-oxidizing bacterium, strain 42BKTT, was isolated from the gas-bubbling sediment at the Iheya North hydrothermal system in the mid-Okinawa Trough, Japan. The isolate was a Gram-negative, non-motile and coccoid to oval-shaped bacterium. Growth was observed at 10-40 degrees C (optimum 28-30 degrees C) and in the pH range 5.0-9.0 (optimum 6.5-7.0). Strain 42BKTT grew chemolithoautotrophically with elemental sulfur or thiosulfate as a sole electron donor and oxygen (optimum 5 % in gas phase) or nitrate as an electron acceptor. The G + C content of the genomic DNA was 48.0 mol%. Phylogenetic analysis based on the 16S rRNA gene sequence indicated that the isolate belonged to the previously uncultivated Group F within the epsilon-Proteobacteria, which includes phylotypes of vent epibiont and environmental sequences from global deep-sea cold seep and hydrothermal vent fields. On the basis of the physiological and molecular characteristics of this isolate, the type species of a novel genus, Sulfurovum lithotrophicum gen. nov., sp. nov., is proposed. The type strain is 42BKTT (= ATCC BAA-797T = JCM 12117T).

References

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Mar 28, 2002·Applied and Environmental Microbiology·Andreas TeskeHolger W Jannasch
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Dec 6, 2003·International Journal of Systematic and Evolutionary Microbiology·Fumio InagakiKoki Horikoshi

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Citations

Feb 29, 2008·Applied Microbiology and Biotechnology·Chuan ChenDuu-Jong Lee
Oct 31, 2008·Applied Microbiology and Biotechnology·Chuan ChenDuu-Jong Lee
Apr 28, 2006·Extremophiles : Life Under Extreme Conditions·Shizuka ArakawaChiaki Kato
Apr 22, 2009·Extremophiles : Life Under Extreme Conditions·Nathalie ByrneAnne Godfroy
Dec 1, 2006·Origins of Life and Evolution of the Biosphere : the Journal of the International Society for the Study of the Origin of Life·Michail M YakimovPeter N Golyshin
Aug 30, 2008·The ISME Journal·Suzanne C M HaaijerHuub J M Op den Camp
Oct 14, 2011·The ISME Journal·Mathieu GuriMarie-Anne Cambon-Bonavita
Sep 9, 2006·Proceedings of the National Academy of Sciences of the United States of America·Fumio InagakiAntje Boetius
Jul 31, 2008·Proceedings of the National Academy of Sciences of the United States of America·Ken TakaiKoki Horikoshi
Sep 8, 2006·Applied and Environmental Microbiology·William J BrazeltonJohn A Baross
Sep 28, 2010·Applied and Environmental Microbiology·Byoung-Joon ParkSung-Keun Rhee
Jan 3, 2012·Applied and Environmental Microbiology·Yukari Yoshida-TakashimaKen Takai
Jun 8, 2011·Microbiology and Molecular Biology Reviews : MMBR·Beth N OrcuttKatrina J Edwards
Jul 7, 2007·Proceedings of the National Academy of Sciences of the United States of America·Satoshi NakagawaKoki Horikoshi
Oct 25, 2011·International Journal of Systematic and Evolutionary Microbiology·P Anil KumarS Shivaji
Feb 7, 2012·International Journal of Systematic and Evolutionary Microbiology·Donato GiovannelliCostantino Vetriani
Feb 14, 2015·The ISME Journal·Diana Vasquez-CardenasHenricus T S Boschker

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