Studies on the biosynthesis of ralfuranones in Ralstonia solanacearum

Ralfuranones, aryl-furanone secondary metabolites, are involved in the virulence of Ralstonia solanacearum in solanaceous plants. Ralfuranone I (6) has been suggested as a biosynthetic precursor for other ralfuranones; however, this conversion has not been confirmed. We herein investigate the biosyn...

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Veröffentlicht in:Bioscience, biotechnology, and biochemistry biotechnology, and biochemistry, 2016-03, Vol.80 (3), p.440-444
Hauptverfasser: Kai, Kenji, Ohnishi, Hideyuki, Kiba, Akinori, Ohnishi, Kouhei, Hikichi, Yasufumi
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Sprache:eng
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Zusammenfassung:Ralfuranones, aryl-furanone secondary metabolites, are involved in the virulence of Ralstonia solanacearum in solanaceous plants. Ralfuranone I (6) has been suggested as a biosynthetic precursor for other ralfuranones; however, this conversion has not been confirmed. We herein investigate the biosynthesis of ralfuranones using feeding experiments with ralfuranone I (6) and its putative metabolite, ralfuranone B (2). The results obtained demonstrated that the biosynthesis of ralfuranones proceeded in enzymatic and non-enzymatic manners. Proposed biosynthetic pathway of ralfuranones in Ralstonia solanacearum.
ISSN:0916-8451
1347-6947
DOI:10.1080/09168451.2015.1116931