2021 Fiscal Year Final Research Report
Understanding the regional specificity of non-tuberculous Mycobacterium distribution in relation to coexisting microorganisms.
Project/Area Number |
20K18903
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Research Category |
Grant-in-Aid for Early-Career Scientists
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Allocation Type | Multi-year Fund |
Review Section |
Basic Section 58020:Hygiene and public health-related: including laboratory approach
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Research Institution | Hiroshima University |
Principal Investigator |
Fujiyoshi So 広島大学, 学術・社会連携室, 助教 (20805808)
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Project Period (FY) |
2020-04-01 – 2022-03-31
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Keywords | 住環境 / 細菌群集 / 微生物生態学 / 相互作用 / ホームプロバイオティクス / 次世代シーケンサー |
Outline of Final Research Achievements |
Samples from bathroom environments in Japan were collected and microbial community structure in showerhead biofilm and showerhead feed water was analyzed. The percentage of Mycobacterium in showerhead biofilms was low, as was that in shower water. Network analysis revealed some bacterial genus that interacted negatively with opportunistic pathogenic genus. However, these bacteria were difficult to culture, and we are currently working on a culture method in collaboration with RIKEN. We have isolated and cultured microorganisms from our samples and have so far obtained 55 strains, including Mycobacterium spp.
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Free Research Field |
環境遺伝生態学
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Academic Significance and Societal Importance of the Research Achievements |
本研究成果は、浴室ならびに浄水環境における微生物群集を評価した国内初のデータである。また、同じ浴室で採取したシャワーヘッドからの水とその内部のバイオフィルムの微生物群集を比較することで、水とバイオフィルムの微生物の類似性と相違性が明確に示された。各家庭において独自のバイオフィルム微生物群集が構築されていたことから、公衆衛生においては各家庭における衛生対策が重要であり、そのためには現場での迅速かつ容易な微生物群集の同定が必要であることが示唆された。
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