Plasmodesmata dynamics are coordinated by intracellular signaling pathways.

Plasmodesmata dynamics are coordinated by intracellular signaling pathways.
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疟原虫动力学通过细胞内信号通路协调。

DOI:
10.1016/j.pbi.2013.07.007
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发表时间:
2013-10
影响因子:
9.5
通讯作者:
Zambryski PC
Zambryski PC
中科院分区:
生物学2区
文献类型:
--
作者:
Brunkard JO;Runkel AM;Zambryski PC

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被称为胞间连丝(PD)的膜内衬通道穿过细胞壁连接相邻植物细胞的细胞质,允许小分子,蛋白质和RNA的细胞间运动。最近的遗传筛选突变体与改变PD运输确定的基因表明,叶绿体在协调PD运输中起着至关重要的作用。补充这一发现,研究操纵PD定位的蛋白质的表达意味着PD运输的变化强烈影响叶绿体生物学。正在进行的寻找控制根和气孔发育的基因的努力揭示了PD在加强组织模式方面的关键作用,新发现的PD定位蛋白表明PD影响发育,细胞内信号传导和对病原体的防御。总之,这些研究表明,PD功能和形成与植物生理学紧密结合。
Membrane-lined channels called plasmodesmata (PD) connect the cytoplasts of adjacent plant cells across the cell wall, permitting intercellular movement of small molecules, proteins, and RNA. Recent genetic screens for mutants with altered PD transport identified genes suggesting that chloroplasts play crucial roles in coordinating PD transport. Complementing this discovery, studies manipulating expression of PD-localized proteins imply that changes in PD transport strongly impact chloroplast biology. Ongoing efforts to find genes that control root and stomatal development reveal the critical role of PD in enforcing tissue patterning, and newly discovered PD-localized proteins show that PD influence development, intracellular signaling, and defense against pathogens. Together, these studies demonstrate that PD function and formation are tightly integrated with plant physiology.
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