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来自果汁的配方氧脂肪酸通过双重作用模式减少了由Venturia inaequalis引起的果皮的发展
Matthieu Gaucher1, Anthony Juillard1, Bao-Huynh Nguyen1
1Univ Angers, Institut Agro, INRAE, IRHS, SFR QUASAV, Angers, France.
Frontiers in plant science
|January 23, 2024
概括
果的副产品可以产生丁单体,这是一个激活植物防御和打击果 (Venturia inaequalis) 的天然化合物. 这些基于生物的解决方案提供了一种可持续的作物防治真菌病的方法.
科学领域:
- 植物病理学 植物病理学
- 生物化学 生物化学
- 可持续农业 可持续农业
背景情况:
- 植物皮质,主要是皮质,含有具有潜在抗菌性能的氧脂肪酸.
- 果汁含有丰富的皮质物质,为提取生物活性化合物提供了机会.
- 由Venturia inaequalis引起的果,是一种影响果生产的重大疾病.
研究的目的:
- 探索使用番茄和果果汁作为库丁基生物控制剂的来源.
- 评估丁单体在保护果植物免受果的有效性.
- 研究丁单体在诱导植物防御机制方面的潜力.
主要方法:
- 使用各种脱聚合策略从水果果汁中提取和净化丁单体.
- 在果苗上用叶片应用丁单体提取物,以评估防御基因诱导.
- 在植物和体外试验中对配制的单体进行针对Venturia inaequalis的测试.
- 转录组分析以确定治疗植物中防御基因的重编程.
主要成果:
- 几种丁单体提取物证明了诱导果幼苗的防御基因的能力.
- 配制的丁单体触发了果植物中显著的转录组重编程.
- 这些提取物在体外对Venturia inaequalis表现出直接的抗真菌作用.
- 用丁单体治疗的果幼苗显示出对果疹感染的显著保护.
结论:
- 从水果果汁中提取的水中分散的单体是有效的生物控制剂.
- 这些单体可以诱导植物的防御反应,并直接抑制Venturia inaequalis.
- 来自果的丁单体是一种有希望的,基于生物的战略,用于可持续的果皮管理.
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