›› 2011, Vol. 38 ›› Issue (12): 84-86.

• 生物技术 • 上一篇    下一篇

低氧诱导因子-1α基因在藏鸡低氧适应机制中的研究进展

杨云周, 张吉斌, 方美英   

  1. 中国农业大学动物科技学院,北京 100193
  • 收稿日期:2011-05-06 修回日期:1900-01-01 出版日期:2011-12-20 发布日期:2011-12-20
  • 通讯作者: 方美英

Review on HIF-1α Gene in Hypoxia Adaptation of Tibetan Chicken

YANG Yun-zhou, ZHANG Ji-bin, FANG Mei-ying    

  1. College of Animal Science and Technology,China Agricultural University,Beijing 100193,China
  • Received:2011-05-06 Revised:1900-01-01 Online:2011-12-20 Published:2011-12-20

摘要: 作为调控氧稳态的主要转录因子,低氧诱导因子-1α(hypoxia inducible factor-1α,HIF-1α)对维持机体氧平衡和适应低氧环境具有关键作用。常氧环境条件下,HIF-1α蛋白持续合成并被不断降解;低氧环境条件下,HIF-1α蛋白降解受阻并与HIF-1β转录因子二聚化形成HIF-1作用于其靶基因发挥低氧调节作用,维持机体在低氧条件下的生存。世代生活在高原低氧环境中的藏鸡,形成了完整的适应低氧环境遗传机制。作者将系统介绍HIF-1α基因结构、编码产物特征及其低氧适应作用机理,并探讨藏鸡HIF-1α基因参与其低氧适应的遗传机制的研究进展。

关键词: HIF-1α; 低氧; 适应; 高原; 藏鸡

Abstract: Hypoxia inducible factor-1α (HIF-1α) is a transcriptional factor that plays an essential role both in organisms'adaptation to hypoxia and maintenance of oxygen homeostasis. Under normoxia, synthesized HIF-1α protein protein will be degraded immediately; under hypoxia, stabilized HIF-1α protein will dimerize with HIF-1β to form HIF-1 which could regulate oxygen homeostasis. Tibetan chicken have been living in high altitude and low-O2 tension environment for many centuries, and has special molecular pathways for adaptation to hypoxia. This review will summary the genetic structure of HIF-1α gene and its role in hypoxia adaptation of Tibetan chicken .

Key words: HIF-1α; hypoxia; adaptation; highland; Tibet chicken

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