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Persistence of the antifungal capacity of a fraction of Jacquinia macrocarpa plant against Fusarium verticillioides after continuous exposure
Indian Journal of Microbiology ( IF 2.1 ) Pub Date : 2020-05-27 , DOI: 10.1007/s12088-020-00887-2
Iliana Jacqueline Muñoz-Ochoa 1 , Maribel Plascencia-Jatomea 1 , Francisco Javier Cinco-Moroyoqui 1 , Daniel Fernando Valenzuela-Cota 1 , Mario Onofre Cortez-Rocha 1 , María Alba Guadalupe Corella-Madueño 2 , Ema Carina Rosas-Burgos 1
Affiliation  

This study aimed to determine the ability of Fusarium verticillioides in developing mechanisms to counteract the antifungal effect of a fraction from Jacquinia macrocarpa plant extract (JmAF), as well as the morphological and physiological changes that occur during its exposure. The fungus was exposed to JmAF during consecutive periods. A culture sample was taken weekly to determine radial growth, spore germination and size, and fungal β-1,3-glucanase activity. The results showed that, in the beginning, the radial growth decreased by 85.8%, and spore germination was delayed. As the exposure continued, the fungus showed a recovery, to some extent, in its original characteristics. However, the radial growth of the fungus continued to be inhibited (42.9%) throughout the experiment (7 weeks). The β-1,3-glucanase activity also was inhibited by 36.4% during the first week of exposure to JmAF. However, the activity was recovered after 7 weeks of exposure.



中文翻译:

连续暴露后部分大果树植物对轮枝镰刀菌的抗真菌能力的持久性

本研究旨在确定轮枝镰刀菌在发展机制中的能力,以抵消来自Jacquinia macrocarpa的部分的抗真菌作用植物提取物 (JmAF),以及在其暴露期间发生的形态和生理变化。真菌在连续期间暴露于 JmAF。每周采集培养样品以确定径向生长、孢子萌发和大小以及真菌 β-1,3-葡聚糖酶活性。结果表明,开始时,径向生长减少了85.8%,孢子萌发延迟。随着暴露的继续,真菌在一定程度上恢复了其原始特征。然而,在整个实验过程中(7 周),真菌的径向生长继续受到抑制(42.9%)。在接触 JmAF 的第一周,β-1,3-葡聚糖酶活性也被抑制了 36.4%。然而,该活性在暴露 7 周后恢复。

更新日期:2020-05-27
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