生物
车身平面图
脊椎动物
谱系(遗传)
进化生物学
适应(眼睛)
基因组
系统发育学
进化发育生物学
遗传学
基因
神经科学
作者
Changjun Peng,Dong‐Dong Wu,Jin‐Long Ren,Zhongliang Peng,Zhifei Ma,Wei Wu,Yukui Zhang,Li Wang,Cao Deng,Ke Jiang,Christopher L. Parkinson,Yin Qi,Zhiyi Zhang,Jia‐Tang Li
出处
期刊:Cell
[Elsevier]
日期:2023-07-01
卷期号:186 (14): 2959-2976.e22
被引量:12
标识
DOI:10.1016/j.cell.2023.05.030
摘要
Snakes are a remarkable squamate lineage with unique morphological adaptations, especially those related to the evolution of vertebrate skeletons, organs, and sensory systems. To clarify the genetic underpinnings of snake phenotypes, we assembled and analyzed 14 de novo genomes from 12 snake families. We also investigated the genetic basis of the morphological characteristics of snakes using functional experiments. We identified genes, regulatory elements, and structural variations that have potentially contributed to the evolution of limb loss, an elongated body plan, asymmetrical lungs, sensory systems, and digestive adaptations in snakes. We identified some of the genes and regulatory elements that might have shaped the evolution of vision, the skeletal system and diet in blind snakes, and thermoreception in infrared-sensitive snakes. Our study provides insights into the evolution and development of snakes and vertebrates.
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