Cell-to-cell movement of the CAPRICE protein in Arabidopsis root epidermal cell differentiation
نویسندگان
چکیده
منابع مشابه
Cell-to-cell movement of the CAPRICE protein in Arabidopsis root epidermal cell differentiation.
CAPRICE (CPC), a small, R3-type Myb-like protein, is a positive regulator of root hair development in Arabidopsis. Cell-to-cell movement of CPC is important for the differentiation of epidermal cells into trichoblasts (root hair cells). CPC is transported from atrichoblasts (hairless cells), where it is expressed, to trichoblasts, and generally accumulates in their nuclei. Using truncated versi...
متن کاملRole of a positive regulator of root hair development, CAPRICE, in Arabidopsis root epidermal cell differentiation.
In Arabidopsis, root hairs are formed only from a set of epidermal cells named trichoblasts or hair-forming cells. Previous studies showed CAPRICE (CPC) promotes differentiation of hair-forming cells by controlling a negative regulator, GLABRA2 (GL2), which is preferentially expressed in hairless cells. Here, we show that CPC is also predominantly expressed in the hairless cells, but not in the...
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متن کاملCell fate in the Arabidopsis root epidermis is determined by competition between WEREWOLF and CAPRICE.
The root hair and nonhair cells in the Arabidopsis (Arabidopsis thaliana) root epidermis are specified by a suite of transcriptional regulators. Two of these are WEREWOLF (WER) and CAPRICE (CPC), which encode MYB transcription factors that are required for promoting the nonhair cell fate and the hair cell fate, respectively. However, the precise function and relationship between these transcrip...
متن کاملThe WEREWOLF MYB protein directly regulates CAPRICE transcription during cell fate specification in the Arabidopsis root epidermis.
The Arabidopsis root epidermis is composed of two types of cells, hair cells and non-hair cells, and their fate is determined in a position-dependent manner. WEREWOLF (WER), a R2R3 MYB protein, has been shown genetically to function as a master regulator to control both of the epidermal cell fates. To directly test the proposed role of WER in this system, we examined its subcellular localizatio...
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ژورنال
عنوان ژورنال: Development
سال: 2005
ISSN: 1477-9129,0950-1991
DOI: 10.1242/dev.02139