过冬不会影响Halyomorpha halys的微生物群多样性:对其生态和管理的影响
Riccardo Piccinno1,2, Giulio Galla3, Gerardo Roselli1
1Center Agriculture Food Environment (C3A), University of Trento, Trento, Italy.
Environmental microbiology reports
|June 10, 2025
概括
侵入性棕色大理石臭虫 (Halyomorpha halys) 的肠道细菌在过冬休眠期间保持稳定. 微生物群落的这种稳定性对于理解害虫管理策略至关重要.
科学领域:
- 微生物学 微生物学
- 昆虫生物学 昆虫生物学
- 生态生态学 生态生态学
背景情况:
- 与宿主相关的微生物群落影响昆虫生物学.
- 在隔膜期内昆虫微生物群的变化尚不清楚.
- 棕色大理石臭虫 (Halyomorpha halys) 呈现出独特的过冬策略,使其成为研究与隔膜相关的微生物群变化的模型.
研究的目的:
- 为了研究Halyomorpha halys在隔膜休息之前和之后的细菌多样性.
- 为了确定冬季休眠对臭虫微生物群体的影响.
- 评估与植物病原体和微型病原体的潜在关联.
主要方法:
- 使用16S rRNA基因扩增序列测序来分析细菌多样性.
- 野生Halyomorpha halys标本在休眠期前后采样.
- 微生物的多样性和组成被比较到前隔离期和后隔离期的人群.
主要成果:
- 微生物群的组成在地理上不同的采样地点之间有所不同.
- 在前隔绝和后隔绝人群之间没有观察到微生物多样性或组成的显著差异.
- 两种种群体含有微型菌病原体Nosema maddoxi,但没有发现与植物病原体的强烈关联.
结论:
- 尽管冬季的压力很大,但Halyomorpha halys微生物群在隔膜期表现出了显著的稳定性.
- 这种微生物稳定性可能归因于臭虫微生物群中的高度特异的主导种类.
- 这些发现对于管理入侵物种,评估微生物溢出影响和实施无菌昆虫技术具有重要意义.
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