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KMID : 1094720070120030308
Biotechnology and Bioprocess Engineering
2007 Volume.12 No. 3 p.308 ~ p.311
Quorum sensing inhibitors from the red alga, Ahnfeltiopsis flabelliformis
Kim Jung-Sun

Kim Yeon-Hee
Seo Young-Wan
Park Sung-Hoon
Abstract
Three new acylhomoserine lactone (AHL) inhibitors have been isolated from the Korean red alga.Ahnfeltiopsis flabelliformis, via bioactivity-guided fractionation using the recombinantAgrobacterium tumefaciens liquid culture bioassay. Unlike the majority of AHL inhibitors reported to date, these compounds were ¥á-d-galactopyranosyl-(1¡æ2)-glycerol (floridoside) (1), betonicine (2), and isethionic acid (3), all of which are structurally unrelated to AHLs.
KEYWORD
quorum sensing inhibitor, bioassay, AHL inhibitor, Ahnfeltiopsis flabelliformis, Agrobacterium tumefaciens
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