遗传 ›› 2022, Vol. 44 ›› Issue (6): 491-500.doi: 10.16288/j.yczz.22-004

• 综述 • 上一篇    下一篇

鸟类羽色性别二态性形成机制研究进展

王建梅(), 刘贺贺(), 马盛超, 席洋, 张荣萍, 徐倩, 李亮   

  1. 四川农业大学动物科技学院,成都 611130
  • 收稿日期:2022-01-04 修回日期:2022-04-10 出版日期:2022-06-20 发布日期:2022-05-30
  • 通讯作者: 刘贺贺 E-mail:1719487179@qq.com;liuee1985@sicau.edu.cn
  • 作者简介:王建梅,在读硕士研究生,专业方向:动物遗传育种与繁殖。E-mail: 1719487179@qq.com
  • 基金资助:
    四川省杰出青年科技人才项目(2021JDJQ0008);国家自然科学基金面上项目资助编号(31872345);国家自然科学基金面上项目资助编号(32072703)

Progress on the formation mechanism of sexual dimorphism plumage color in birds

Wang Jianmei(), Liu Hehe(), Ma Shengchao, Xi Yang, Zhang Rongping, Xu Qian, Li Liang   

  1. College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
  • Received:2022-01-04 Revised:2022-04-10 Online:2022-06-20 Published:2022-05-30
  • Contact: Liu Hehe E-mail:1719487179@qq.com;liuee1985@sicau.edu.cn
  • Supported by:
    Supported by the Sichuan Youth Science and Technology Fund No(2021JDJQ0008);the National Natural Science Foundation of China(31872345);the National Natural Science Foundation of China(32072703)

摘要:

鸟类羽毛颜色普遍存在性别二态性,即雄性羽色相对于雌性更鲜艳,这种现象的产生可能与环境对性别的选择效应或性别间的种内竞争有关。鸟类羽毛颜色性别二态性的生理因素及遗传调控机制一直备受关注。了解两性二态性特征的形成机制,有助于深入了解两性的交配策略及种群的行为和进化过程。研究表明,ASIPMC1RTYRP1BCO2等基因能调控鸟类羽色性别二态性的形成,主要通过控制黑色素或胡萝卜素产生或降解的速率和类型,或通过调控色素生物合成途径。本文综述了影响鸟类羽色性别二态性的生物学意义、直接原因(化学性颜色、物理性颜色)、性激素对鸟类羽色性别二态性的影响,以及部分关键基因调控鸟类羽色性别二态性形成的分子机制,以期为深入理解鸟类羽色性别二态性的形成机制研究提供参考。

关键词: 鸟类, 羽色, 性别二态性

Abstract:

Sexually dimorphic plumage coloration is widespread in birds in which the male plumage is brighter than the female. This phenomenon is related to the environmental constraints on sexual selection or intraspecific competition between males and females in birds. The physiological factors and genetic regulation mechanism affecting the color of sexual dimorphism plumages in birds have always attracted significant attention in research. Understanding the diversity of sexually dimorphic traits provides insights into the mating strategies of the sexes and their behavior, ecology, and evolution. Interestingly, the ASIP, MC1R, TYRP1, and BCO2 genes have been identified to play a potential role in the coloration of melanin and carotenoids in bird sexual dimorphism plumages, either by controlling the rate and type of melanin or carotene synthesis or degradation by exerting an effect on the pigment biosynthetic pathway. In this review, we systematically summarize the biological significance, the direct causes (chemical and physical color), and the influence of sex hormones in sexually dimorphic plumage coloration. We also investigate the molecular mechanism underlying the roles of some genes on sexual dimorphism coloration, thereby providing a reference for in-depth understanding on the formation mechanism(s) of sexual dimorphic coloration in birds.

Key words: birds, plumage color, sex dimorphism