Methanocella arvoryzae sp. nov., a hydrogenotrophic methanogen isolated from rice field soil

International Journal of Systematic and Evolutionary Microbiology
Sanae SakaiHiroyuki Imachi

Abstract

A novel hydrogenotrophic methanogen, designated strain MRE50(T), was isolated from a methanogenic consortium, which was originally established from an Italian rice field soil. Cells were non-motile rods, 1.3-2.8 μm long and 0.4-0.7 μm wide. Coccoid cells were also observed in cultures at the late-exponential phase of growth. Strain MRE50(T) grew at 37-55 °C (optimally at 45 °C), at pH 6-7.8 (optimally at pH 7.0) and in the presence of 0-20 g NaCl l(-1). The isolate utilized H(2)/CO(2) and formate for growth and methane production. Phylogenetic analyses of the 16S rRNA gene and the methanogen-specific marker gene mcrA showed that strain MRE50(T) is affiliated with the order Methanocellales, previously known as uncultured archaeal group Rice Cluster I. Based on both 16S rRNA gene and mcrA gene sequences, strain MRE50(T) was related most closely to Methanocella paludicola SANAE(T). Levels of sequence similarity were 92.5 and 86.1 %, respectively, indicating that strains MRE50(T) and Methanocella paludicola SANAE(T) represent different species within the genus Methanocella. In addition, although these strains shared phenotypic properties including cell morphology and substrate utilization, they differed with respect to susceptibili...Continue Reading

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Citations

May 31, 2013·Environmental Microbiology·Loïc NazariesBrajesh K Singh
Jan 22, 2015·International Journal of Systematic and Evolutionary Microbiology·Sławomir JabłońskiMarcin Łukaszewicz
Mar 3, 2015·Environmental Microbiology Reports·Zhe Lyu, Yahai Lu
Feb 26, 2015·Environmental Microbiology·Carl-Eric Wegner, Werner Liesack
Jul 28, 2016·The Science of the Total Environment·Sarah E RothenbergErika Balogh
Nov 12, 2016·Journal of Bioinformatics and Computational Biology·Kirill E MedvedevDmitry A Afonnikov
Apr 22, 2017·The Science of the Total Environment·Singh AlpanaS K Dubey
Nov 13, 2017·Microbial Ecology·Brodie SutcliffeIan T Paulsen
May 20, 2014·Applied and Environmental Microbiology·Pengfei LiuYahai Lu
Aug 1, 2010·Environmental Microbiology·Fanghua Liu, Ralf Conrad
Jan 24, 2018·Proceedings of the National Academy of Sciences of the United States of America·Panagiotis S AdamSimonetta Gribaldo
Sep 19, 2019·Water Environment Research : a Research Publication of the Water Environment Federation·Zhanghong WanZhengbo Yue
Jun 1, 2011·Environmental Microbiology Reports·Yanli YuanYahai Lu
Sep 13, 2013·Environmental Science & Technology·Cynthia C GilmourDwayne A Elias

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