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仿真多样性的进化基因组基础的Epicopeiidae蝶

Hao Li¹, Yuan Zhang², Xiao Tian¹

¹State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China.

Molecular biology and evolution

|March 9, 2026

概括

在Epicopeiidae蝶中的快速进化涉及调节元素和可转移元素 (TE) 的变化,而不是基因结构. 这种TE驱动的创新推动了他们多样化的模仿形式.

科学领域:

进化生物学是进化的生物学.
基因组学就是基因组学.
发育生物学是发展生物学.

背景情况:

在Epicopeiidae蝶中,仿真表现出了快速的形态进化.
了解这种多样化的基因组基础至关重要.

研究的目的:

为了研究Epicopeiidae蝶快速形态多样化的基因组基础.
为了确定驱动模仿进化的遗传和调节机制.

主要方法:

测序了八个Epicopeiidae基因组 (三个在染色体层面).
对比基因组学,发育转录组学和染色质可访问性分析.
分析可转移元素活动及其与监管区域的重叠.

主要成果:

形态进化不是由基因组结构变异或基因家族扩张驱动的.
积极选择的基因与神经和视觉功能有关,这表明夜间到白天的转变.
加速保存的非编码元件 (aCNEs) 和在形态遗传基因附近的可访问的染色体区域 (ACR) 表明调节元件的变化.
可转移元素 (TE) 活动的爆发与多样化相吻合,TE衍生ACRs靠近形态遗传基因.

结论:

监管要素的变化,特别是TE驱动的创新,在Epicopeiidae的快速形态多样化中发挥了关键作用.
通过TE介导的调节进化促进了Epicopeiidae.多种模仿形式的出现.
埃皮科皮idae 作为理解TE驱动的表型创新的模型.

关键词:

爱皮科皮科科科 (Epicopeiidae) 是一个进化基因组学是进化的基因组学.仿真是一种模仿.可转移的元素可以转移.

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