肠道微生物群 影响秋季军虫宿主适应性 食不同类型的食物
Lin Ma1, Daotong Wang1, Qilin Ren1
1State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Science, Beijing 100193, China.
Insects
|May 24, 2024
概括
秋季军虫 (FAW) 通过改变其肠道微生物来适应不同的作物. 食玉米的FAW显示出更高的肠道微生物多样性,有助于适应并可能影响控制策略.
科学领域:
- 昆虫学 昆虫学是一门学科.
- 微生物学 微生物学
- 农业科学 农业科学
背景情况:
- 秋季军虫 (Spodoptera frugiperda) 是一种严重的害虫,影响全球粮食和商业作物,包括中国的玉米,小麦和大米.
- 了解FAW宿主适应机制对于开发有效的害虫控制策略至关重要.
研究的目的:
- 研究FAW宿主植物及其肠道微生物多样性和组成之间的关系.
- 确定肠道微生物如何影响FAW健康和适应不同食物来源.
主要方法:
- 两性生活表被用来评估FAW主机的人工饮食,玉米,小麦和大米的健康状况.
- 使用16S rDNA测序分析了被不同饮食养的FAW的肠道微生物多样性和组成.
- 营养物质利用指数和幼体重被考虑用于宿主健康评估.
主要成果:
- 对于FAW主机的健康状况在不同饮食中存在显著差异,在人工饮食中观察到的健康状况最高,其次是玉米,小麦和大米.
- 肠道微生物组成和多样性的显著差异被检测到在FAWs被食不同类型的食物,由低丰富的细菌驱动.
- 食玉米的FAW表现出最高的肠道微生物多样性,其功能丰富于营养和维生素代谢途径.
- 包括Acinetobacter,Variovorax,Pseudomonas,Bacillus和Serratia在内的特定细菌属与宿主健康有积极的相关性,而Rahnella显示出负相关性.
结论:
- 肠道微生物在秋季军 (Spodoptera frugiperda) 的宿主适应中发挥着重要作用.
- 饮食引起的肠道微生物群的变化会影响FAW的健康状况,并可能为害虫管理提供新的目标.
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