元编码分析揭示了微生物多样性和与杏仁相关的潜在土壤传播病原体的衰退和衰退
André Albuquerque1, Mariana Patanita1, Joana Amaro Ribeiro1
1MED-Mediterranean Institute for Agriculture, Environment and Development & CHANGE-Global Change and Sustainability Institute, IIFA-Instituto de Investigação e Formação Avançada, Universidade de Évora, Pólo da Mitra, Ap. 94, 7006-554 Évora, Portugal.
Plants (Basel, Switzerland)
|August 14, 2025
概括
杏仁衰退是一种由多种真菌和细菌引起的复杂疾病. 使用先进测序 (NGS) 识别这些病原体对于开发有效的管理策略至关重要.
科学领域:
- 植物病理学 植物病理学
- 微生物学 微生物学
- 农业科学 农业科学
背景情况:
- 杏仁的衰退和衰退对新建立的果园构成重大威胁.
- 症状包括内部亡,瘤和外部菌,影响杏仁产量.
研究的目的:
- 调查与杏仁衰退和衰退相关的真菌和细菌病原体.
- 通过使用元编码和传统隔离,在六种杏仁品种中比较微生物群落.
主要方法:
- 利用元编码和传统的培养板隔离来识别致病原体.
- 分析了六种不同的杏仁品种中的微生物群落.
主要成果:
- 经典隔离确定了47种真菌物种/属,包括*Diaporthe amygdali*和*Fusarium*物种.
- 转基因编码揭示了土壤传播的病原体,如Neocosmospora rubicola和Dactylonectria estremocensis.
- "Soleta"品种的微生物丰富度较低,表明易感性增加.
结论:
- 杏仁的衰退是多因素的,涉及机会性微生物的共同感染.
- 病原体可能起源于苗圃基板或与橄和葡萄园等作物共享的土壤.
- 整合下一代测序 (NGS) 对于理解复杂的植物疾病和制定可持续管理策略至关重要.
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