|Title:||Detection of anaerobic carbon monoxide-oxidizing thermophiles in hydrothermal environments.|
Kano, Sanae I
Watanabe, Tetsuhiro https://orcid.org/0000-0002-6071-3286 (unconfirmed)
|Author's alias:||左子, 芳彦|
carbon monoxide dehydrogenase
|Publisher:||Oxford University Press|
|Journal title:||FEMS microbiology ecology|
|Abstract:||Carboxydotrophic anaerobic thermophiles have been isolated from various hydrothermal environments and are considered to be important carbon monoxide (CO) scavengers or primary producers. However, the ecological factors that influence the distribution, abundance and CO-oxidizing activities of these bacteria are poorly understood. A previous study detected the carboxydotrophic bacteria Carboxydothermus spp. in a hot spring sample and found that they constituted up to 10% of the total bacterial cells. In this study, we investigated environmental features, potential microbial CO-oxidation activities and the abundance of Carboxydothermus spp. in various hot springs to determine environmental factors that affect CO oxidizers and to see whether Carboxydothermus spp. are common in these environments. We detected potential microbial CO-oxidation activities in samples that showed relatively high values of total organic carbon, total nitrogen, oxidation-reduction potential and soil-water content. The abundance of Carboxydothermus spp. did not correlate with the presence of potential microbial CO-oxidation activities; however, Carboxydothermus spp. were detected in a wide range of environments, suggesting that these bacteria are widely distributed in spite of the relatively low population size. This study implies that thermophilic CO oxidizers occur in a wide range of environments and oxidize CO in somewhat oxidative environments rich in organic matter.|
|Rights:||This is a pre-copyedited, author-produced PDF of an article accepted for publication in 'FEMS microbiology ecology' following peer review. The version of record [Yasuko Yoneda, Sanae I. Kano, Takashi Yoshida, Eitaro Ikeda, Yuto Fukuyama, Kimiho Omae, Shigeko Kimura-Sakai, Takashi Daifuku, Tetsuhiro Watanabe, Yoshihiko Sako. Detection of anaerobic carbon monoxide-oxidizing thermophiles in hydrothermal environments. Volume 91, Issue 9, fiv093, September 2015] is available online at: http://femsec.oxfordjournals.org/content/91/9/fiv093.|
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|Appears in Collections:||Journal Articles|
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