生态相互作用和基因组创新推动了光鱼内热的进化
Fernando Melendez-Vazquez1, Alexander G Lucaci2,3, Avery Selberg4
1Scripps Institution of Oceanography, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0244, USA.
Science advances
|June 25, 2025
概括
恒温在鱼中演变为鱼,发生在公元-中世时期,与与鱼的相互作用相吻合. 这种适应与身体大小和游泳有关,而不是饮食或深度.
科学领域:
- 进化生物学 进化生物学
- 海洋生物学 海洋生物学
- 基因组学就是基因组学.
背景情况:
- 内热,即产生体内热量的能力,在各种脊椎动物群体中独立演变,但在鱼类中不常见.
- 了解鱼类内热的驱动因素对于理解脊椎动物适应至关重要.
研究的目的:
- 为了研究光鱼体内内热的进化起源和生态相关物.
- 探索与类动物相互作用在鱼体内热的进化中的潜在作用.
主要方法:
- 对1051种光鱼类的基因组学和生态形态学数据分析.
- 时间依赖的进化建模和对205种海洋脊椎动物的比较基因组分析.
- 对化石记录进行检查,以确定类动物和内热鱼系之间的时间和地理重叠.
主要成果:
- 与鱼的生态相互作用与鱼的内热态的演变相吻合,在光鱼在世-世期间.
- 鱼类的内热与身体大小和专门的游泳相关,但不是饮食专业化或深度范围的扩展.
- 基因组分析确定了像*carnmt1*和*dcaf6*这样的基因,这些基因是在内热系中进行选择的.
结论:
- 鱼的多样化和鱼体内热的起源显示出时间和地理的相关性.
- 生态相互作用与基因组因素一起,在塑造鱼类内热性等关键适应方面发挥着重要作用.
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