探索阿佐尔群岛Popillia japonica种群之间的肠道微生物群变异
Jorge Frias1, Anna Garriga1,2, Ángel Peñalver1
1Centro de Biotecnologia dos Açores, Faculdade de Ciências e Tecnologia, Universidade dos Açores, 9500-321 Ponta Delgada, Portugal.
Microorganisms
|August 26, 2023
概括
日本甲虫 (Popillia japonica) 的肠道微生物群因感染水平而有所不同. 高密度幼虫中较高的肠道细菌多样性表明,微生物群在害虫种群的生长和传播中起着作用.
科学领域:
- 昆虫学 昆虫学是一门学科.
- 微生物学 微生物学
- 生态生态学 生态生态学
背景情况:
- 日本是一种侵入性害虫,在欧洲和美国蔓延.
- 它于20世纪60年代首次在阿佐尔群岛被发现,其感染率在岛屿上各不相同.
研究的目的:
- 调查微生物组合在Popillia japonica感染率中的作用.
- 为了比较幼虫的肠道和土壤微生物群在高和低感染地点之间.
主要方法:
- 从亚速尔群岛的高和低感染点采集第三阶段幼虫和土壤的样本.
- 24个16S DNA库的下一代测序.
- 对土壤和幼虫肠道微生物群的α和β多样性的分析.
主要成果:
- 土壤微生物群的多样性在高和低感染地点之间是相似的.
- 来自高密度地点的幼虫表现出更大的肠道细菌多样性.
- 高密度幼虫的丰富分子功能与植物消化,营养获取和排毒有关.
结论:
- 幼虫肠道微生物组合与Popillia japonica的种群密度有关.
- 特定的细菌家族 (Ruminococcaceae,Clostridiaceae,Rikenellaceae) 和它们的功能支持害虫种群.
- 微生物组是推动Popillia japonica种群增加和传播的关键因素.
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