دورية أكاديمية
Snf2 controls pulcherriminic acid biosynthesis and antifungal activity of the biocontrol yeast Metschnikowia pulcherrima.
العنوان: | Snf2 controls pulcherriminic acid biosynthesis and antifungal activity of the biocontrol yeast Metschnikowia pulcherrima. |
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المؤلفون: | Gore-Lloyd D; Department of Biology & Biochemistry, University of Bath, Bath, BA2 7AY, UK., Sumann I; Agroscope, Research Division Plant Protection, Müller-Thurgau-Strasse 29, 8820, Wädenswil, Switzerland., Brachmann AO; Institute of Microbiology, Eidgenössische Technische Hochschule (ETH) Zürich, 8093, Zürich, Switzerland., Schneeberger K; Competence Division Method Development and Analytics, Müller-Thurgau-Strasse 29, 8820, Wädenswil, Switzerland., Ortiz-Merino RA; Conway Institute, University College Dublin, Dublin 4, Ireland., Moreno-Beltrán M; Department of Biology & Biochemistry, University of Bath, Bath, BA2 7AY, UK., Schläfli M; Agroscope, Research Division Plant Protection, Müller-Thurgau-Strasse 29, 8820, Wädenswil, Switzerland., Kirner P; Agroscope, Research Division Plant Protection, Müller-Thurgau-Strasse 29, 8820, Wädenswil, Switzerland., Santos Kron A; Agroscope, Research Division Plant Protection, Müller-Thurgau-Strasse 29, 8820, Wädenswil, Switzerland., Rueda-Mejia MP; Agroscope, Research Division Plant Protection, Müller-Thurgau-Strasse 29, 8820, Wädenswil, Switzerland., Somerville V; Competence Division Method Development and Analytics, Müller-Thurgau-Strasse 29, 8820, Wädenswil, Switzerland., Wolfe KH; Conway Institute, University College Dublin, Dublin 4, Ireland., Piel J; Institute of Microbiology, Eidgenössische Technische Hochschule (ETH) Zürich, 8093, Zürich, Switzerland., Ahrens CH; Competence Division Method Development and Analytics, Müller-Thurgau-Strasse 29, 8820, Wädenswil, Switzerland.; SIB, Swiss Institute of Bioinformatics, Müller-Thurgau-Strasse 29, 8820, Wädenswil, Switzerland., Henk D; Department of Biology & Biochemistry, University of Bath, Bath, BA2 7AY, UK., Freimoser FM; Agroscope, Research Division Plant Protection, Müller-Thurgau-Strasse 29, 8820, Wädenswil, Switzerland. |
المصدر: | Molecular microbiology [Mol Microbiol] 2019 Jul; Vol. 112 (1), pp. 317-332. Date of Electronic Publication: 2019 May 20. |
نوع المنشور: | Journal Article; Research Support, Non-U.S. Gov't |
اللغة: | English |
بيانات الدورية: | Publisher: Blackwell Scientific Publications Country of Publication: England NLM ID: 8712028 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1365-2958 (Electronic) Linking ISSN: 0950382X NLM ISO Abbreviation: Mol Microbiol Subsets: MEDLINE |
أسماء مطبوعة: | Original Publication: Oxford, OX ; Boston, MA : Blackwell Scientific Publications, c1987- |
مواضيع طبية MeSH: | Adenosine Triphosphatases/*metabolism , Metschnikowia/*genetics , Metschnikowia/*metabolism , Saccharomyces cerevisiae Proteins/*metabolism , Transcription Factors/*metabolism, Adenosine Triphosphatases/genetics ; Antibiosis/genetics ; Antifungal Agents/metabolism ; Fungi/drug effects ; Pyrazines/metabolism ; Saccharomyces cerevisiae/drug effects ; Saccharomyces cerevisiae Proteins/genetics ; Transcription Factors/genetics |
مستخلص: | Metschnikowia pulcherrima synthesises the pigment pulcherrimin, from cyclodileucine (cyclo(Leu-Leu)) as a precursor, and exhibits strong antifungal activity against notorious plant pathogenic fungi. This yeast therefore has great potential for biocontrol applications against fungal diseases; particularly in the phyllosphere where this species is frequently found. To elucidate the molecular basis of the antifungal activity of M. pulcherrima, we compared a wild-type strain with a spontaneously occurring, pigmentless, weakly antagonistic mutant derivative. Whole genome sequencing of the wild-type and mutant strains identified a point mutation that creates a premature stop codon in the transcriptional regulator gene SNF2 in the mutant. Complementation of the mutant strain with the wild-type SNF2 gene restored pigmentation and recovered the strong antifungal activity. Mass spectrometry (UPLC HR HESI-MS) proved the presence of the pulcherrimin precursors cyclo(Leu-Leu) and pulcherriminic acid and identified new precursor and degradation products of pulcherriminic acid and/or pulcherrimin. All of these compounds were identified in the wild-type and complemented strain, but were undetectable in the pigmentless snf2 mutant strain. These results thus identify Snf2 as a regulator of antifungal activity and pulcherriminic acid biosynthesis in M. pulcherrima and provide a starting point for deciphering the molecular functions underlying the antagonistic activity of this yeast. (© 2019 The Authors. Molecular Microbiology Published by John Wiley & Sons Ltd.) |
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المشرفين على المادة: | 0 (Antifungal Agents) 0 (Pyrazines) 0 (Saccharomyces cerevisiae Proteins) 0 (Transcription Factors) 957-86-8 (pulcherriminic acid) EC 3.6.1.- (Adenosine Triphosphatases) EC 3.6.1.- (SNF2 protein, S cerevisiae) |
تواريخ الأحداث: | Date Created: 20190514 Date Completed: 20200603 Latest Revision: 20200603 |
رمز التحديث: | 20240628 |
مُعرف محوري في PubMed: | PMC6851878 |
DOI: | 10.1111/mmi.14272 |
PMID: | 31081214 |
قاعدة البيانات: | MEDLINE |
تدمد: | 1365-2958 |
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DOI: | 10.1111/mmi.14272 |