Inhibitory effect of tannic acid on the growth of Apiospora arundinis and 3-Nitropropionic acid production

文献类型： 外文期刊

第一作者： Liang, Xuelian

作者： Liang, Xuelian;Li, Huiling;Mo, Leixing;Chen, Wei;Wang, Tianshun;Wang, Haijun;Liao, Jie;Xing, Yihao;Liao, Jie

作者机构：

关键词： Apiospora arundinis; chewing cane; 3-Nitropropionic acid; tannic acid; inhibitory effect

期刊名称：JOURNAL OF APPLIED MICROBIOLOGY （ 影响因子：4.0； 五年影响因子：4.3 ）

ISSN： 1364-5072

年卷期： 2023 年 134 卷 12 期

页码：

收录情况： SCI

摘要： Aims This study aimed to investigate the inhibitory effect of tannic acid (TA) on the growth of Apiospora arundinis and 3-Nitropropionic acid (3-NPA) production.Methods and results To investigate the antifungal mechanism, the effects of TA on the hypha growth, electrical conductivity, hypha morphology, defense-related enzymes, and 3-NPA production of A. arundinis were studied. TA concentrations of 640 and 1280 mu g ml-1 exhibited strong antifungal activity against A. arundinis. The results of scanning electron microscopy and transmission electron microscopy showed that the hypha of the A. arundinis was severely deformed after TA treatment, and the cell membrane was blurred and thin, vacuoles were obviously shrunken and smaller, and most of the organelles were decomposed into irregular fragments. The increased electrical conductivity and malondialdehyde content indicated that TA caused peroxidation of unsaturated fatty acids and damaged the structure of the cell membrane. The decrease of intracellular ATPase and succinate dehydrogenase content indicated that TA damaged the function of mitochondria, and participated in the inhibition of respiratory metabolism. In addition, TA significantly reduced 3-NPA production and completely inhibited 3-NPA production at 640 and 1280 mu g ml-1.Conclusion TA effectively inhibited both growth of A. arundinis in vitro and 3-NPA production.

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