植物 (Hemiptera:Fulgoromorpha) 的基因和多样化基于一个全面的分子数据集和大型分类型采样
Manon Bucher1, Fabien L Condamine2, Yang Luo3
1Institut de Systématique, Evolution, Biodiversité (ISYEB), MNHN-CNRS-Sorbonne Université-EPHE-Université des Antilles, Muséum National d'Histoire Naturelle, CP 50, 45 rue Buffon, 75005 Paris, France.
Molecular phylogenetics and evolution
|June 18, 2023
概括
这项研究使用广泛的分子数据揭示了植物 (Fulgoromorpha) 的进化历史,揭示了新的家族关系和可以追溯到三叠纪早期的古老起源.
科学领域:
- 昆虫学 昆虫学是一门学科.
- 进化生物学 进化生物学
- 分子遗传学分子遗传学
背景情况:
- 之前对Fulgoromorpha进化的分子研究有有限的种群或基因,导致了遗传学偏差.
- 缺乏综合所有可用数据的全面分析,用于植物的基因组.
研究的目的:
- 为了进行一个大规模的植物遗传和分歧时间分析的Fulgoromorpha.
- 为了解决以前的植物学研究中不一致的结果.
- 为植物的多样化建立一个强大的进化框架.
主要方法:
- 对531个内群种群的家族遗传学分析,代表了80%的超原生物多样性.
- 利用了一套全面的核实核和线粒体基因序列.
- 使用经过验证的化石数据校准的分歧时间.
主要成果:
- 意想不到的Delphacidae的附属性,与Protodelphacida与Cixiidae相关.
- Meenoplidae-Kinnaridae被确定为剩余的Fulgoroidea家族的姐妹.
- 发现Tettigometridae是最早的分支家族.
- 阿奇利达-德比达和富尔戈里达-迪克蒂奥法里达的分类被恢复为单ophyletic.
- 热带科 (Tropiduchidae) 是其他"更高"的Fulgoroidea家族的姐妹.
- 植物的多样化始于三叠纪早期 (大约240万年前).
- 主要的血统和家庭起源于罗纪,受到冈多瓦纳分裂的影响.
- 在Fulgoridae (大约125-130亿年前) 中观察到的快速辐射.
结论:
- 这项研究为Fulgoromorpha提供了强有力的分化,解决了以前的不一致性.
- 这些发现突出了植物的深刻进化历史,起源于三叠纪.
- 冈多瓦纳的分裂对植物的分布和进化产生了重大影响.
- 强调需要广泛的分类型采样和高质量的数据在家族遗传学分析的关键需求.
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