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UHPLC-Q-TOF/MS-Based Metabolomics Approach Reveals the Antifungal Potential of Pinocembroside against Citrus Green Mold Phytopathogen.


ABSTRACT: Pinocembroside (PiCB) isolated from Ficus hirta Vahl. fruit was studied herein with the aim to find the potential mechanism for significant inhibition of growth of Penicillium digitatum, a causative pathogen of citrus green mold disease. PiCB substantially inhibited mycelial growth of P. digitatum, with the observed half maximal effective concentration (EC50), minimum inhibitory concentration (MIC), and minimum fungicidal concentration (MFC) of 120.3, 200, and 400 mg/L, respectively. Moreover, PiCB altered hyphal morphology and cellular morphology by breaking and shrinking of mycelia, decomposing cell walls, cytoplasmic inclusions. In addition to, a non-targeted metabolomics analysis by UHPLC-Q-TOF/MS was also performed, which revealed that PiCB treatment notably disrupted the metabolisms of amino acids, lipids, fatty acids, TCA, and ribonucleic acids, thereby contributing to membrane peroxidation. Current findings provide a new perception into the antifungal mechanism of PiCB treatment in inhibiting P. digitatum growth through membrane peroxidation.

SUBMITTER: Chen C 

PROVIDER: S-EPMC7020183 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature

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UHPLC-Q-TOF/MS-Based Metabolomics Approach Reveals the Antifungal Potential of Pinocembroside against <i>Citrus</i> Green Mold Phytopathogen.

Chen Chuying C   Cai Nan N   Chen Jinyin J   Wan Chunpeng C  

Plants (Basel, Switzerland) 20191222 1


Pinocembroside (PiCB) isolated from <i>Ficus hirta</i> Vahl. fruit was studied herein with the aim to find the potential mechanism for significant inhibition of growth of <i>Penicillium digitatum</i>, a causative pathogen of citrus green mold disease. PiCB substantially inhibited mycelial growth of <i>P. digitatum</i>, with the observed half maximal effective concentration (EC<sub>50</sub>), minimum inhibitory concentration (MIC), and minimum fungicidal concentration (MFC) of 120.3, 200, and 400  ...[more]

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