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2017 Fiscal Year Final Research Report

Behavior of environmental bacteria in microbial community and oligotrophic growth state

Research Project

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Project/Area Number 16K14877
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Applied microbiology
Research InstitutionTohoku University

Principal Investigator

Nagata Yuji  東北大学, 生命科学研究科, 教授 (30237531)

Co-Investigator(Kenkyū-buntansha) 津田 雅孝  東北大学, 生命科学研究科, 教授 (90172022)
大坪 嘉行  東北大学, 生命科学研究科, 准教授 (40342761)
Research Collaborator KATO HIROMI  東北大学, 大学院生命科学研究科, 助教 (90727265)
Project Period (FY) 2016-04-01 – 2018-03-31
Keywordsoligotroph / 複合生物系 / 炭酸固定
Outline of Final Research Achievements

We studied on behavior of environmental bacteria in microbial community and oligotrophic growth state by using a bacteria degrading recalcitrant organochlorine insecticide and a microbial community from which the bacterial strain was isolated as models. We showed (i) the importance of non-degrading bacterial strains in the community and (ii) the generality of the phenomenon that environmental bacteria can grow on the solid minimal salt medium without addition of any carbon source accompanying CO2 fixation by expression of the alcohol dehydrogenase gene, and obtained a lot of knowledge leading to the elucidation of the mechanisms of these phenomena. A theoretical foundation for the practical application of bacteria in real environments has been established.

Free Research Field

応用微生物学

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Published: 2019-03-29  

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