在虫宿主中比较主要内生生物Buchnera aphidicola的基因组学及其共同进化关系
Yukang Liang1, Rebecca B Dikow2, Xu Su3
1School of Life Science and Shanxi Key Laboratory of Nucleic Acid Biopesticides, Shanxi University, 92 Wucheng Rd, Taiyuan Shanxi, 030006, China.
BMC biology
|June 20, 2024
概括
在多个分类层次上证实了布赫内拉细菌和鲁斯胆虫之间的共同进化. 尽管基因组分歧,但Buchnera保持了基因顺序,突出了复杂的义务共生关系.
科学领域:
- 进化生物学 进化生物学
- 基因组学就是基因组学.
- 微生物生态学 微生物生态学
背景情况:
- 虫和它们的附属细菌内共生体,Buchnera aphidicola,表现出共同进化的模式.
- 在鲁斯胆虫中布克内拉的基因组进化并未得到充分理解.
研究的目的:
- 为了研究Buchnera和Rhus胆虫之间的共同进化模式.
- 为了分析Rhus胆虫中的Buchnera的基因组特征.
主要方法:
- 从16个虫样本 (13个物种) 组装Buchnera基因组.
- 组装的Buchnera基因组与GenBank数据的比较基因组学.
- 使用72个Buchnera基因组,31个虫线粒体基因组和3个核基因进行了系谱重建.
- 科菲洛基因分析来测试共进化的情况.
主要成果:
- 完整的Buchnera基因组被组装为Rhus胆虫.
- 布奇纳基因组显示出大多的对线性,其中包括684个基因的泛基因组和256个基因的核心基因组.
- 在Buchnera血统中观察到显著的基因损失,以及在一些基因中出现的双重基因复制.
- 科菲尔基因测试显示,在个人,物种,基因和部落层面上,Buchnera和Rhus胆虫之间发生了显著的共同进化.
结论:
- 布坎纳基因组显示高序列分歧,但保留了基因顺序.
- 这项研究证实了Buchnera和Rhus胆虫之间显著的共同进化.
- 这支持了它们有义务的共生关系的复杂性质.
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