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タイトル: | Stimulation of methanotrophic growth in cocultures by cobalamin excreted by rhizobia. |
著者: | Iguchi, Hiroyuki Yurimoto, Hiroya https://orcid.org/0000-0001-7506-6184 (unconfirmed) Sakai, Yasuyoshi |
著者名の別形: | 阪井, 康能 |
発行日: | Dec-2011 |
出版者: | American Society for Microbiology |
誌名: | Applied and environmental microbiology |
巻: | 77 |
号: | 24 |
開始ページ: | 8509 |
終了ページ: | 8515 |
抄録: | Methanotrophs play a key role in the global carbon cycle, in which they affect methane emissions and help to sustain diverse microbial communities through the conversion of methane to organic compounds. To investigate the microbial interactions that cause positive effects on methanotrophs, cocultures were constructed using Methylovulum miyakonense HT12 and each of nine nonmethanotrophic bacteria, which were isolated from a methane-utilizing microbial consortium culture established from forest soil. Three rhizobial strains were found to strongly stimulate the growth and methane oxidation of M. miyakonense HT12 in cocultures. We purified the stimulating factor produced by Rhizobium sp. Rb122 and identified it as cobalamin. Growth stimulation by cobalamin was also observed for three other gammaproteobacterial methanotrophs. These results suggest that microbial interactions through cobalamin play an important role in methane oxidation in various ecosystems. |
著作権等: | © 2011, American Society for Microbiology. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 This is not the published version. Please cite only the published version. |
URI: | http://hdl.handle.net/2433/152321 |
DOI(出版社版): | 10.1128/AEM.05834-11 |
PubMed ID: | 21984248 |
出現コレクション: | 学術雑誌掲載論文等 |
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