Distribution of N-Acylhomoserine Lactone-Producing Fluorescent Pseudomonads in the Phyllosphere and Rhizosphere of Potato (Solanum tuberosum L.)
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概要
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Four hundred and fifty nine isolates of fluorescent pseudomonads were obtained from the leaves and roots of potato plants. Of these, 20 leaf isolates and 28 root isolates induced violacein production in two N-acylhomoserine lactone (AHL)-reporter strains—Chromobacterium violaceum CV026 and VIR24. VIR24 is a new reporter strain for long N-acyl-chain-homoserine lactones, which can not be detected by CV026. Thin-layer chromatography revealed that the isolates produced multiple AHL molecules. We compared the 16S rRNA gene sequences of these isolates with sequences from a known database, and examined phylogenetic relationships. The AHL-producing isolates generally separated into three groups. Group I was mostly composed of leaf isolates, and group III, root isolates. Group II comprised both leaf and root isolates. There was a correlation between the phylogenetic cluster and the AHL molecules produced and some phenotypic characteristics. Our study confirmed that AHL-producing fluorescent pseudomonads could be distinguished in the phyllosphere and rhizosphere of potato plants.
- 2009-12-01
著者
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IKEDA TSUKASA
Department of Fermentation Technology, Hiroshima University
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Morohoshi Tomohiro
Department of Material and Environmental Chemistry, Graduate School of Engineering, Utsunomiya Unive
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Otsu Eiko
National Agricultural Research Center For Hokkaido Region (narch) National Agriculture And Food Rese
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SEKIGUCHI HIROYUKI
National Agricultural Research Center for Hokkaido Region
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Ikeda Tsukasa
Department Of Applied Chemistry Utsunomiya University
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Sayama Mitsuru
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 Res
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OKANO NOBUYA
Department of Applied Chemistry, Utsunomiya University
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USUKI KAZUEI
National Agricultural Research Center for Hokkaido Region (NARCH), National Agriculture and Food Res
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ISHIDA SHIGEKI
National Agricultural Research Center for Hokkaido Region (NARCH), National Agriculture and Food Res
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Usuki Kazuei
National Agricultural Research Center
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Usuki Kazuei
National Agricultural Research Center For Hokkaido Region (narch) National Agriculture And Food Rese
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Okano Nobuya
Department Of Applied Chemistry Utsunomiya University
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Sekiguchi Hiroyuki
National Agricultural Res. Center For Hokkaido Region (narch) National Agriculture And Food Res. Org
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Sekiguchi Hiroyuki
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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Ikeda Seishi
National Agricultural Research Center For Hokkaido Region (narch) National Agriculture And Food Rese
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Sawada Hiroyuki
National Institute Of Agrobiological Sciences
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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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IKEDA SEISHI
Hokkaido Agricultural Research Center, National Agriculture and Food Research Organization
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Ikeda Seishi
Hokkaido Agricultural Research Center National Agriculture And Food Research Organization
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MOROHOSHI TOMOHIRO
Department of Applied Chemistry, Faculty of Engineering, Utsunomiya University
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