Isolation and Identification of Secondary Metabolites from Xenorhabdus budapestensis SN19

doi:10.16333/j.1001-6880.2016.6.003

Abstract

Abstract: Two depsipeptides were isolated and purified from secondary metabolites of Xenorhabdus budapestensis SN19 by silica gel column chromatography,Sephadex LH-20 chromatography and semi-preparative high-performance liquid chromatography.Their structures were identified as xenematides C (1) and xenematides E (2) using nuclear magnetic resonance (NMR) and mass spectroscopy (MS).Xenematides E (2) was a new compound.Xenematides C (1) showed a strong inhibition activity against Botrytis cinerea (EC₅₀=22.71 μg/mL).

Key words: nematode symbiotic bacteria, secondary metabolites, depsipeptide, antifungal

CLC Number:

S482.7

LU Xing-zhong1,SHI Dan-shu1,GAO Chun-zhi1,TIAN Xiao-mei1,BI Yu-hui1,YU Zhi-guo 1,2*. Isolation and Identification of Secondary Metabolites from Xenorhabdus budapestensis SN19[J]. NATURAL PRODUCT RESEARCH AND DEVELOPMENT, 2016, 28(6): 828-832.

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Isolation and Identification of Secondary Metabolites from Xenorhabdus budapestensis SN19

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