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首页> 外文期刊>Trends in Plant Science >Patterning of Arabidopsis epidermal cells: epigenetic factors regulate the complex epidermal cell fate pathway
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Patterning of Arabidopsis epidermal cells: epigenetic factors regulate the complex epidermal cell fate pathway

机译:拟南芥表皮细胞的模式:表观遗传因素调节复杂的表皮细胞命运途径

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Cell fate determination in the Arabidopsis epidermis has been extensively studied for over a decade. Epidermal cells become either trichoblasts (hair-forming cells) or atrichoblasts (non-hair-forming cells). In Arabidopsis, two types of trichoblasts are formed in defined patterns: trichomes and root hairs. Both cell types are specified through the action of a common set of transcriptional regulators that define cell pattern. Recent studies also characterize epigenetic factors in the determination of cell fate in the root, suggesting a default pattern for epidermal cell fate that can be overridden by environmental stimuli. These results reveal how plant cell developmental plasticity is controlled at the molecular level.
机译:拟南芥表皮中细胞命运的确定已被广泛研究了十多年。表皮细胞成为成毛细胞(毛发形成细胞)或成纤维细胞(非毛发形成细胞)。在拟南芥中,以定义的模式形成了两种类型的毛发成纤维细胞:毛状体和根毛。两种细胞类型均通过定义细胞模式的一组通用转录调节因子的作用来确定。最近的研究还在确定根中细胞命运的过程中表征了表观遗传因素,这表明表皮细胞命运的默认模式可以被环境刺激所取代。这些结果揭示了如何在分子水平上控制植物细胞的发育可塑性。

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