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胰核糖核酸酶基因(RNASE1)重复与功能分化
  • ISSN号：0023-074X
  • 期刊名称：科学通报
  • 时间：0
  • 页码：15-18
  • 语言：中文
  • 分类：Q556[生物学—生物化学] S572.032[农业科学—烟草工业;农业科学—作物学]
  • 作者机构：[1]云南大学生物资源保护与利用重点实验室,云南昆明650091, [2]中国科学院昆明动物研究所遗传资源与进化国家重点实验室,云南昆明650223
  • 相关基金：国家重点基础研究发展计划（编号：2007CB411600）和国家自然科学基金委-云南省政府联合基金（编号：U0836603）资助项目.
  • 相关项目：分子进化与进化基因组学
作者： 张亚平|王小燕|于黎|赵卉|李能枝|
关键词： RNASE1基因, 消化酶, 基因重复, 适应性进化, 前肠发酵, 功能分化
中文摘要：

适应是生物进化中最根本的问题之一。胰核糖核酸酶（RNASE1）由胰脏分泌，是一种非常重要的消化酶。目前已证实RNASE1基因重复与前肠发酵食草动物中独特消化系统的功能适应紧密相关，成为研究动物对食性适应性进化遗传机制的重要模式系统之一。同时有研究发现，在不具有前肠发酵特征的某些哺乳动物中也存在RNASE1基因重复事件，提示该基因在这些物种中可能产生了新的组织特异性或功能。文章综述了RNASE1基因在动物适应性进化，包括食性方面的研究进展。

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期刊信息
  • 《科学通报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国科学院
  • 主编：周光召
  • 地址：北京东黄城根北街16号
  • 邮编：100717
  • 邮箱：csb@scichina.org
  • 电话：010-64036120 64012686
  • 国际标准刊号：ISSN：0023-074X
  • 国内统一刊号：ISSN：11-1784/N
  • 邮发代号:80-213
  • 获奖情况:
  • 首届国家期刊奖,中国期刊方阵“双高”期刊,第三届中国出版政府奖
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  • 被引量:81792