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Evolution of the Regulatory Network for Floral Development

机译:花卉发育调控网络的演变

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摘要

The development of a flower is genetically controlled by a network formed by numerous regulatory genes (nodes) and the complex interactions (lines) among them.To understand the mechanisms thatunderlie the origin and diversification of the flower,we have investigated the evolution of the regulatory genes and the interactions among them.We found that regulatory genes occupying different positions in the network had experienced dramatically different evolutionary histories.In some cases (especially in floral MADS-box genes),limited rounds of gene duplication events have occurred,and genes with novel structures and functions have been generated at the bases of the major groups such as angiosperms,core eudicots,and the grass family,etc.
机译:花朵的发育是由众多调控基因(节点)和它们之间复杂的相互作用(系)形成的网络进行遗传控制的。为了解花朵起源和多样化的基础机制,我们研究了调控的进化我们发现位于网络中不同位置的调控基因经历了截然不同的进化历史。在某些情况下(尤其是在花卉MADS-box基因中),发生了有限的回合事件,并且具有在被子植物,核心双子叶植物和草科等主要群体的基础上产生了新颖的结构和功能。

著录项

  • 来源
    《Darwin's heritage today》|2009年|346|共1页
  • 会议地点 Beijing(CN)
  • 作者

    Hongzhi Kong;

  • 作者单位

    State Key Laboratory of Systematic and Evolutionary Botany,Institute of Botany,Chinese Academy of Sciences,Beijing 100093,China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 达尔文学说与研究;
  • 关键词

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