Plasmodesmata and the phloem form a cytoplasmic network that permits direct cell-cell communication in plants. This network can mediate the trafficking of selective proteins and RNAs that may have important developmental functions. Recent work has provided evidence that protein and RNA traffic across specific interfaces of this network is regulated in a distinct manner. Progress has been made in identifying potential cellular factors that confer such regulation. These advances should promote further investigations into the mechanisms and functions of protein and RNA traffic using biochemical, cellular, genetic and molecular tools.

中文翻译：

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蛋白质和RNA的同质性：调节点和调节因素。

疟原虫和韧皮部形成细胞质网络，允许植物中直接的细胞间通讯。该网络可以介导可能具有重要发育功能的选择性蛋白质和RNA的运输。最近的工作提供了证据，证明以不同的方式调节跨此网络特定接口的蛋白质和RNA流量。在鉴定赋予这种调节作用的潜在细胞因子方面已取得进展。这些进展应促进使用生化，细胞，遗传和分子工具对蛋白质和RNA转运的机制和功能进行进一步研究。