从果组织中分离出的内性真菌分离物:潜伏在内部的潜在病原体
Lay Lay Nwe1, Seona Casonato1, E Eirian Jones1
1Department of Pest-management and Conservation, Faculty of Agriculture and Life Sciences, Lincoln University, Lincoln, 7647, Canterbury, New Zealand.
Fungal biology
|June 14, 2024
概括
许多来自健康果植物的真菌可以引起疾病,作为潜在的病原体. 一些非致病性内植物可能会保护果组织免受有害感染.
科学领域:
- 植物病理学 植物病理学
- 菌类学 菌类学是指菌类学.
- 园艺科学 园艺科学
背景情况:
- 菌内植物与植物病原体共享生态.
- 病原体可以在健康的植物组织中存在潜伏阶段.
- 了解内细胞与宿主之间的相互作用对于果健康管理至关重要.
研究的目的:
- 评估37种果真菌内菌的致病性和殖民能力.
- 评估细胞外酶在内生菌病原性中的作用.
- 在果组织中识别潜在的病原体和潜在的生物控制剂.
主要方法:
- 对果果和脱落的芽进行致病性测试.
- 在脱落的果芽上进行内菌殖民测试.
- 酶活性测定 (氨基酶,细胞酶,点酶,蛋白酶,西兰酶).
主要成果:
- 37个分离物中的13个 (35%) 在果上表现出致病性.
- 八个分离物 (Colletotrichum,Diaporthe,Fusarium,Penicillium) 在水果和树枝上都具有病原性.
- 没有发现酶生产与病原性或殖民之间的相关性.
结论:
- 来自健康果组织的内细胞的很大一部分是潜在的病原体.
- 非致病性分离物可以提供对果疾病的保护,如欧洲.
- 需要进一步的研究来探索果内植物的生物控制潜力.
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