由Trichoderma hamatum产生的挥发性有机化合物对Neocosmospora solani产生抗真菌作用
Xian Hu1,2, Hongan Shi1, Zhilin Zhang1
1Hubei Key Laboratory of Quality Control of Characteristic Fruits and Vegetables, College of Life Science and Technology, Hubei Engineering University, Xiaogan 432000, P.R. China.
Letters in applied microbiology
|June 28, 2024
概括
特里科德马·哈马图姆的挥发性有机化合物 (VOC) 对Neocosmospora solani具有显著的抗真菌活性,抑制其生长63.77%. 关键化合物6-Pentyl-2H-pyran-2-one有助于这种生物控制潜力.
科学领域:
- 农业科学 农业科学
- 菌类学 菌类学是指菌类学.
- 生物技术是生物技术.
背景情况:
- 在全球范围内,Neocosmospora solani会导致显著的Fusarium枯和根腐病.
- 有效的生物控制剂对于控制土壤传播的植物病原体至关重要.
研究的目的:
- 研究Trichoderma hamatum挥发性有机化合物 (VOC) 对Neocosmospora solani生长的抑制作用.
- 为了识别T. hamatum中负责抗真菌活性的VOC中的关键化学成分.
主要方法:
- 抗真菌活性查和双板技术,以评估T. hamatum对抗N. solani. 的对抗性.
- 气色谱-质谱 (GC-MS) 用于分析T. hamatum随时间推移的VOC组成.
- 在VOC处理后对N. solani菌株变化的显微观观察.
主要成果:
- 在实验室中,T. hamatum的VOC表现出对N. solani的抑制率为63.77%.
- 从第3天开始,6--2-H-pyran-2-one被确定为T. hamatum挥发性有机物的主要成分.
- 观察到的细胞损伤包括不均的扩张,细胞泄漏,收缩和膜.
结论:
- T. hamatum 挥发性有机化合物对N. solani. 具有强大的抗真菌特性.
- 6--2-H-pyran-2-one是T. hamatum. 的生物控制有效性的重要贡献者.
- T. hamatum在对抗土壤传播疾病的生物控制策略中显示出应用的希望.
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