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Identification of a novel fungus, Trichoderma asperellum GDFS1009, and comprehensive evaluation of its biocontrol efficacy

Wu, Qiong ; Sun, Ruiyan ; Ni, Mi ; Yu, Jia ; Li, Yaqian ; Yu, Chuanjin ; Dou, Kai ; Ren, Jianhong ; Chen, Jie Sarrocco, Sabrina

PloS one, 2017-06, Vol.12 (6), p.e0179957-e0179957 [Periódico revisado por pares]

United States: Public Library of Science

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Título:
Identification of a novel fungus, Trichoderma asperellum GDFS1009, and comprehensive evaluation of its biocontrol efficacy
Autor: Wu, Qiong ; Sun, Ruiyan ; Ni, Mi ; Yu, Jia ; Li, Yaqian ; Yu, Chuanjin ; Dou, Kai ; Ren, Jianhong ; Chen, Jie
Sarrocco, Sabrina
Assuntos: Alkanes ; Alkanes - metabolism ; Anti-Infective Agents - chemistry ; Anti-Infective Agents - metabolism ; Antibiosis ; Antiinfectives and antibacterials ; Antimicrobial activity ; Antimicrobial agents ; Antimicrobial peptides ; Biological control ; Biological Control Agents ; Biological pest control ; Biology ; Biology and Life Sciences ; Cell walls ; Chitinase ; Chromatography, Liquid ; Cluster Analysis ; Corn ; Cucumis sativus - microbiology ; Degradation ; Effectiveness ; Fungal Proteins - chemistry ; Fungal Proteins - metabolism ; Fungi ; Fusarium ; Fusarium - growth & development ; Gas chromatography ; Gas Chromatography-Mass Spectrometry ; Gene Expression ; Gene sequencing ; Genomics ; Growth rate ; Identification and classification ; Immunity ; Laboratories ; Liquid chromatography ; Mass spectrometry ; Mass spectroscopy ; Metabolism ; Metabolites ; Morphology ; Nicotiana - microbiology ; Pathogens ; Peptides ; Pests ; Phylogeny ; Physical Sciences ; Physiological aspects ; Plant Diseases - microbiology ; Plant Diseases - prevention & control ; Plant immunity ; Plant resistance ; Polyketides ; Polyketides - metabolism ; Protease ; Proteinase ; Proteins ; Research and Analysis Methods ; Ribonucleic acid ; RNA ; Secondary Metabolism ; Secondary metabolites ; Sequence Analysis, RNA ; Soil Microbiology ; Sporulation ; Stalk rot ; Studies ; Trichoderma - classification ; Trichoderma - genetics ; Trichoderma - isolation & purification ; Trichoderma - metabolism ; Walls ; Wilt
É parte de: PloS one, 2017-06, Vol.12 (6), p.e0179957-e0179957
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Competing Interests: The authors have declared that no competing interests exist.
Conceptualization: JC QW RS.Data curation: MN JY LY CY KD JR.Formal analysis: QW RS MN.Funding acquisition: JC.Investigation: QW RS MN.Methodology: JC QW RS.Project administration: QW RS MN JC.Resources: MN JY YL CY KD JR.Software: QW RS MN.Supervision: QW RS MN JC.Validation: JC QW RS.Visualization: QW RS MN JC.Writing – original draft: QW JC.Writing – review & editing: QW JC MN.
These authors are co-first authors on this work.
Descrição: Due to its efficient broad-spectrum antimicrobial activity, Trichoderma has been established as an internationally recognized biocontrol fungus. In this study, we found and identified a novel strain of Trichoderma asperellum, named GDFS1009. The mycelium of T. asperellum GDFS1009 exhibits a high growth rate, high sporulation capacity, and strong inhibitory effects against pathogens that cause cucumber fusarium wilt and corn stalk rot. T. asperellum GDFS1009 secretes chitinase, glucanase, and protease, which can degrade the cell walls of fungi and contribute to mycoparasitism. The secreted xylanases are good candidates for inducing plant resistance and enhancing plant immunity against pathogens. RNA sequencing (RNA-seq) and gas chromatography-mass spectrometry (GC-MS) showed that T. asperellum GDFS1009 produces primary metabolites that are precursors of antimicrobial compounds; it also produces a variety of antimicrobial secondary metabolites, including polyketides and alkanes. In addition, this study speculated the presence of six antimicrobial peptides via ultra-performance liquid chromatography quadrupole time of flight mass spectrometry (UPLC-QTOF-MS/MS). Future studies should focus on these antimicrobial metabolites for facilitating widespread application in the field of agricultural bio-control.
Editor: United States: Public Library of Science
Idioma: Inglês

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Identification of a novel fungus, Trichoderma asperellum GDFS1009, and comprehensive evaluation of its biocontrol efficacy

Wu, Qiong ; Sun, Ruiyan ; Ni, Mi ; Yu, Jia ; Li, Yaqian ; Yu, Chuanjin ; Dou, Kai ; Ren, Jianhong ; Chen, Jie Sarrocco, Sabrina

United States: Public Library of Science

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