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首页> 外文期刊>Journal of Experimental Botany >Co-ordination of developmental processes by small RNAs during leaf development.
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Co-ordination of developmental processes by small RNAs during leaf development.

机译：在叶片发育过程中通过小RNA协调发育过程。

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摘要

Leaf development entails the transition from a small group of undifferentiated cells to a structure of defined size and shape, highly organized into different cell types with specialized functions. During this developmental sequence, patterning, growth, and differentiation have to be tightly coordinated by intricate regulatory networks in which small RNAs [microRNAs (miRNAs) and trans-acting small interfering RNAs (ta-siRNAs)] have emerged during the last years as essential players. In this review, after having given an overview of miRNA and ta-siRNA biogenesis and mode of action, their contribution to the life of a leaf from initiation to senescence is described. MiRNA and ta-siRNA are not merely regulators of gene expression patterns, but, by acting both locally and at the whole organ scale, they have an essential role in the coordination of complex developmental processes and are fully integrated in genetic networks and signalling pathways.
机译：叶片发育需要从一小组未分化的细胞过渡到确定的大小和形状的结构，该结构高度组织为具有特殊功能的不同细胞类型。在这一发展过程中，模式，生长和分化必须通过复杂的调控网络进行紧密协调，在过去的几年中，小RNA [microRNA（miRNA）和反式作用小RNA（ta-siRNA）]的出现已成为必不可少的玩家。在这篇综述中，概述了miRNA和ta-siRNA的生物发生和作用方式后，描述了它们从起始到衰老对叶片寿命的贡献。 MiRNA和ta-siRNA不仅是基因表达模式的调节剂，而且通过在局部和整个器官范围内起作用，在协调复杂的发育过程中起着至关重要的作用，并完全整合到遗传网络和信号传导途径中。

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