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2021 Fiscal Year Final Research Report

Visualization of loosely connected microbial community

Research Project

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Project/Area Number 19K22297
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 38:Agricultural chemistry and related fields
Research InstitutionNational Institute of Advanced Industrial Science and Technology

Principal Investigator

Inaba Tomohiro  国立研究開発法人産業技術総合研究所, エネルギー・環境領域, 主任研究員 (90760439)

Project Period (FY) 2019-06-28 – 2022-03-31
Keywordsバイオフィルム
Outline of Final Research Achievements

The purpose of this study was to investigate the actual behavior of microorganisms in the natural environment. Most of microorganisms in the natural environment are thought to form multi-cellular community called biofilms, but the actual conditions of these biofilms have been still unclear. In this study, non-destructive visualization analysis of microbial communities in environmental samples revealed the possibility of the existence of communities in which cells are loosely connected to each other physically. This finding provides new insights into microbial sociality and community ecology in microbial ecology, and awaits further detailed study.

Free Research Field

微生物学

Academic Significance and Societal Importance of the Research Achievements

微生物の代謝・生理機能は非常に多岐にわたり、生命誕生以来、現在までの地球環境の形成に大きな影響を与えてきたと言われている。そうした微生物の機能は、複数の微生物が集合してできるコミュニティによって発現することが多い。しかしながら環境中における微生物集団の実像はよくわかっていなかった。本研究課題は非破壊的な可視化解析を環境サンプルに実施することで、これまで集団だと捉えられてこなかった、緩いつながりを持つ微生物コミュニティの存在可能性を示すことで、微生物機能の理解と利用に寄与した。

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Published: 2023-01-30  

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