德洛索菲拉苏苏基的微生物组组成在不同地理区域有所不同
Matthew J Medeiros1,2, Allexa D Burger1, Donald K Price2
1Pacific Biosciences Research Center, School of Ocean and Earth Science and Technology, University of Hawai'i at Mānoa, Honolulu, HI, United States.
概括
侵袭性果Drosophila suzukii的微生物组通过结合当地微生物来适应新的环境. 这一战略有助于其快速传播,并使其能够在全球范围内利用新的粮食来源.
科学领域:
- 进化生物学 进化生物学
- 微生物学 微生物学
- 农业科学 农业科学
背景情况:
- 德洛索菲拉 (Drosophila suzukii) 是一个重要的农业害虫,在全球范围内造成了大量的作物损失.
- 了解D. suzukii的适应性对于害虫管理和进化研究至关重要.
- 主体微生物组可以通过增强应激弹性和营养来影响适应新环境.
研究的目的:
- 调查D. suzukii是否在非本土地区包含区域特定的微生物种群.
- 为了比较D. suzukii在全球不同地区的微生物组概况.
- 评估环境与物种身份对微生物组组成的影响.
主要方法:
- 在亚洲,欧洲,英国,北美和夏威夷的野生捕捞D. suzukii微生物组概况的比较分析.
- 夏威夷的D. suzukii微生物组与当地入侵的D.移民和本土的Drosophilids的比较.
- 利用16S rRNA基因测序用于细菌和真菌社区概况.
主要成果:
- 在来自不同全球地点的D. suzukii种群中观察到不同的微生物组成,这表明了环境驱动因素.
- 在所有研究的野生D. suzukii种群中保存了七个细菌家族.
- 与本地Drosophila和D.移民相比,夏威夷D.suzukii表现出不同的细菌群体,但与入侵物种相似的真菌特征.
结论:
- D. suzukii 种群保持了一组核心保存的细菌家族,同时获得本地分类.
- 环境因素似乎是微生物组合的更强的决定因素,而不是宿主物种身份.
- 微生物组的可塑性可能有助于D. suzukii. 的入侵成功和饮食适应性.
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