Antibacterial activity of alkyl gallates and related compounds against Ralstonia solanacearum
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作者:
Ooshiro, Atsushi
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Okinawa Prefectural Agr Res Ctr, Nago Branch, Okinawa 9050012, JapanTokyo Univ Agr & Technol, Inst Agr, Div Bioregulat & Biointeract, Fuchu, Tokyo 1838509, Japan
Ooshiro, Atsushi
[2
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Kaji, Masumi
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Tokyo Univ Agr & Technol, Grad Sch Agr, Dept Bioregulat & Biointeract, Fuchu, Tokyo 1838509, JapanTokyo Univ Agr & Technol, Inst Agr, Div Bioregulat & Biointeract, Fuchu, Tokyo 1838509, Japan
Kaji, Masumi
[3
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Katoh, Yusuke
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Tokyo Univ Agr & Technol, Grad Sch Agr, Dept Bioregulat & Biointeract, Fuchu, Tokyo 1838509, JapanTokyo Univ Agr & Technol, Inst Agr, Div Bioregulat & Biointeract, Fuchu, Tokyo 1838509, Japan
Katoh, Yusuke
[3
]
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Kawaide, Hiroshi
[1
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Natsume, Masahiro
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Tokyo Univ Agr & Technol, Inst Agr, Div Bioregulat & Biointeract, Fuchu, Tokyo 1838509, JapanTokyo Univ Agr & Technol, Inst Agr, Div Bioregulat & Biointeract, Fuchu, Tokyo 1838509, Japan
Natsume, Masahiro
[1
]
机构:
[1] Tokyo Univ Agr & Technol, Inst Agr, Div Bioregulat & Biointeract, Fuchu, Tokyo 1838509, Japan
[2] Okinawa Prefectural Agr Res Ctr, Nago Branch, Okinawa 9050012, Japan
[3] Tokyo Univ Agr & Technol, Grad Sch Agr, Dept Bioregulat & Biointeract, Fuchu, Tokyo 1838509, Japan
Antibacterial activity of alkyl gallates and their analogs against Ralstonia solanacearum was examined. Methyl gallate showed the strongest activity among the alkyl gallates; activity decreased as the carbon number of esters increased. This tendency of alkyl gallates to act against R. solanacearum was dissimilar to its previously reported action against Gram-negative and Gram-positive bacteria and fungi. Among related compounds with a differing position and number of phenolic hydroxyl groups, methyl 2,3-dihydroxybenzoate showed comparable or slightly stronger activity than methyl gallate. Geraniin, one of the characteristic secondary metabolites produced by Geranium spp., showed moderate activity. (C) Pesticide Science Society of Japan