Degradation of N-Acylhomoserine Lactone Quorum Sensing Signaling Molecules by Potato Root Surface-Associated Chryseobacterium Strains
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概要
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N-Acylhomoserine lactones (AHLs) are used as quorum-sensing signaling molecules by many Gram-negative bacteria. Here, 413 bacterial strains were obtained from the roots of potato plants and screened for AHL-degrading bacteria using Chromobacterium violaceum reporter strains. Sixty one isolates degraded N-hexanoyl-<sc>L</sc>-homoserine lactone (C6-HSL) within 24 h. Based on their 16S rRNA gene sequences, most of these isolates were assigned to the genus Chryseobacterium and divided into eight groups. Most of the strains degraded N-decanoyl-<sc>L</sc>-homoserine lactone (C10-HSL) and were active against 3-oxo-substituted AHLs. Groups V and VI were more effective at inactivating AHLs. One group V strain, StRB402, showed putative AHL-lactonase activity. This is the first report of AHL-degrading Chryseobacterium strains.
- 日本微生物生態学会・日本土壌微生物学会の論文
著者
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Ikeda Tsukasa
Department Of Applied Chemistry Utsunomiya University
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SOMEYA NOBUTAKA
National Agricultural Research Center for Hokkaido Region (NARCH), National Agriculture and Food Res
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Morohoshi Tomohiro
Department Of Material And Environmental Chemistry Graduate School Of Engineering Utsunomiya Univers
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Rashid Rumana
Department Of Material And Environmental Chemistry Graduate School Of Engineering Utsunomiya Univers
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Someya Nobutaka
National Agricultural Research Center For Hokkaido Region (narch) National Agricultural And Food Res
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Someya Nobutaka
National Agricultural Research Center For Hokkaido Region (narch) National Agriculture And Food Rese
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Someya Nobutaka
National Agricultural Research Center For Hokkaido Region (narch) National Agriculture And Food Rese
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Morohoshi Tomohiro
Department Of Material And Environmental Chemistry Graduate School Of Engineering Utsunomiya Univers
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Someya Nobutaka
Hokkaido Agricultural Research Center (harc) National Agriculture And Food Research Organization (na
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