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학술대회자료
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(Northeastern University) (Harvard Medical School) (Northeastern University) (Sungkyunkwan University)
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한국미생물학회 한국미생물학회 학술대회논문집 2022년도 International Meeting of the Microbiological Society of Korea
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50 - 50 (1page)

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초록· 키워드

The gut microbiota affects many important host functions, including the immune response and the nervous system. However, while substantial progress has been made in growing diverse microorganisms of the microbiota, 23-65% of species residing in the human gut remain uncultured, which is an obstacle for understanding their biological roles. A likely reason for this unculturability is the absence in artificial media of key growth factors that are provided by neighbouring bacteria in situ. In the present study, we used co-culture to isolate KLE1738, which required the presence of Bacteroides fragilis to grow. Bioassay-driven purification of B. fragilis supernatant led to the isolation of the growth factor, which, surprisingly, is the major inhibitory neurotransmitter GABA (γ-aminobutyric acid). GABA was the only tested nutrient that supported the growth of KLE1738, and a gen ... 전체 초록 보기
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UCI(KEPA) : I410-ECN-0101-2023-475-000167845