Discovery Of A New Antifungal Lipopeptaibol From Purpureocillium Lilacinum Using Maldi-Tof-Ims
文献类型: 外文期刊
作者: Liu, R; Khan, RAA; Yue, Q; Jiao, Y; Yang, YH; Li, Y; Xie, BY
作者机构:
关键词: Natural Products; Maldi-Tof-Ims; Antifungal; Lipopeptaibol; Biological Control
期刊名称: BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
ISSN: 0006-291X
年卷期: 2020 年 527 卷 3 期
页码:
收录情况: JCR(2021版)
摘要: Fungi are considered to be rich in biologically active natural products for agricultural and medicinal purposes. The discovery and accurate identification of the bioactive fungal natural products is important for their efficient utilization. During the course of our continuing search for the new natural products from the fungal agents, we found the well-known bio-control fungus Purpureocillium lilacinum showed in vitro activity against Botrytis cinerea, an airborne plant pathogenic fungus causing gray mold disease in many vegetables and fruits. The co-culture of two fungi on agar plate showed that P. lilacinum inhibited the growth of B. cinerea which means P. lilacinum has potential to produce some bioactive secondary metabolites against B. cinerea. In this study, we applied matrix-assisted laser desorption ionization-time of flight mass spectrometry imaging mass spectrometry (MALDI-TOF-IMS), as a fast identification tool, for the discovery of a new antifungal lipopeptaibol (leucinostatin Z) from P. lilacinum against B. cinerea. The planar structure of leucinostatin Z was further established by using the LC-HRESI-MS-MS analysis. MALDI-TOF-IMS is becoming a new approach that allows us to observe the bioactive natural products directly on growth media between the colonies of two fungi, which is faster and more effective than the traditional techniques to discover new bioactive compounds in fungi. (C) 2020 Elsevier Inc. All rights reserved.
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