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Bacillus amyloliquefaciens Q-426 as a potential biocontrol agent against Fusarium oxysporum f. sp spinaciae
Zhao, Pengchao1,2; Quan, Chunshan3; Wang, Yingguo1,2; Wang, Jianhua1,2; Fan, Shengdi3
关键词Gene Clusters Lipopeptides Fungistatic Agent Fengycin a Antifungal Mechanism
刊名JOURNAL OF BASIC MICROBIOLOGY
2014-05-01
DOI10.1002/jobm.201200414
54期:5页:448-456
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Life Sciences & Biomedicine
类目[WOS]Microbiology
研究领域[WOS]Microbiology
关键词[WOS]NONRIBOSOMAL SYNTHESIS ; ANTIFUNGAL ACTIVITY ; ITURIN-A ; SUBTILIS ; LIPOPEPTIDES ; SURFACTIN ; FENGYCIN ; MECHANISM ; REVEALS ; SOIL
英文摘要In recent years, Bacillus species have received considerable attention for the biological control of many fungal diseases. In this study, Bacillus amyloliquefaciens Q-426 was tested for its potential use against a variety of plant pathogens. Our screen for genes involved in the biosynthesis of antifungal agents revealed that the fen and bmy gene clusters are present in the Q-426 genome. Lipopeptides such as bacillomycin D, fengycin A, and fengycin B were purified from the bacterial culture broth and subsequently identified by ESI-mass spectrometry. The minimal inhibitory concentration of fengycin A against Fusarium oxysporum f. sp. spinaciae W.C. Snyder & H.N. Hansen O-27 was determined to be 31.25gml(-1). However, exposure of fungal cells to 50gml(-1) of fengycin A did not allow permeation of fluorescein diacetate into the cytoplasm through the cell membrane. Moreover, leakage of intracellular inorganic cations, nucleic acid and protein were also not detected, indicating that the fungal cell membrane is not the primary target of action for fengycin A. Profound morphological changes were observed in the F. oxysporum strain and spore germination was completely inhibited, suggesting that 50gml(-1) of fengycin A acts, at least, as a fungistatic agent.
语种英语
WOS记录号WOS:000336216700013
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/145837
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
3.Dalian Nationalities Univ, Dept Life Sci, Dalian, Peoples R China
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GB/T 7714
Zhao, Pengchao,Quan, Chunshan,Wang, Yingguo,et al. Bacillus amyloliquefaciens Q-426 as a potential biocontrol agent against Fusarium oxysporum f. sp spinaciae[J]. JOURNAL OF BASIC MICROBIOLOGY,2014,54(5):448-456.
APA Zhao, Pengchao,Quan, Chunshan,Wang, Yingguo,Wang, Jianhua,&Fan, Shengdi.(2014).Bacillus amyloliquefaciens Q-426 as a potential biocontrol agent against Fusarium oxysporum f. sp spinaciae.JOURNAL OF BASIC MICROBIOLOGY,54(5),448-456.
MLA Zhao, Pengchao,et al."Bacillus amyloliquefaciens Q-426 as a potential biocontrol agent against Fusarium oxysporum f. sp spinaciae".JOURNAL OF BASIC MICROBIOLOGY 54.5(2014):448-456.
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