2013
DOI: 10.1242/dev.090209
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Abstract: SUMMARYThe shoot epidermis of land plants serves as a crucial interface between plants and the atmosphere: pavement cells protect plants from desiccation and other environmental stresses, while stomata facilitate gas exchange and transpiration. Advances have been made in our understanding of stomatal patterning and differentiation, and a set of 'master regulatory' transcription factors of stomatal development have been identified. However, they are limited to specifying stomatal differentiation within the epid… Show more

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Cited by 78 publications
(85 citation statements)
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References 63 publications
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“…48,49) SlHZ11 (Wo, woolly) and SlHZ45 were clustered with PDF2, HDG2, and ATML1 in the same clade ε, which suggested that these genes of this clade might played an important role in epidermal cell fate. 33,[50][51][52][53] CD2 gene is another HD-Zip IV member of tomato in α clade, which is associated with cutin deficiency in tomato fruit and preferentially expressed in epidermal cells of tomato stems. CD2 is a homolog of Arabidopsis ANTHOCYANINLESS2 (ANL2).…”
Section: Phylogenetic Classification and Structural Analysis Of Slhz mentioning
confidence: 99%
“…48,49) SlHZ11 (Wo, woolly) and SlHZ45 were clustered with PDF2, HDG2, and ATML1 in the same clade ε, which suggested that these genes of this clade might played an important role in epidermal cell fate. 33,[50][51][52][53] CD2 gene is another HD-Zip IV member of tomato in α clade, which is associated with cutin deficiency in tomato fruit and preferentially expressed in epidermal cells of tomato stems. CD2 is a homolog of Arabidopsis ANTHOCYANINLESS2 (ANL2).…”
Section: Phylogenetic Classification and Structural Analysis Of Slhz mentioning
confidence: 99%
“…However, the presence of an L1 box is only an absolute requirement for the expression of PDF2 and not for ATML1, indicating that other factors are likely to be involved in the regulation of ATML1 expression (Abe et al, 2001;Takada and Jürgens, 2007). It was recently demonstrated that ATML1 is not only necessary but also sufficient for protodermal identity (Peterson et al, 2013;Takada et al, 2013). ATML1 overexpression leads to ectopic ATML1 promoter activity in the inner tissues of post-embryonic seedlings as well as the ectopic expression of other epidermis-specific genes, and induces epidermis-specific traits in non-epidermal tissues.…”
Section: The Separation Of Inner and Outer Fatesmentioning
confidence: 99%
“…Subsequently, bHLH TFs and myogenic regulatory factors (MRFs), MyoD (Myod1) and Myf5, commit cells to a myogenic fate in a redundant fashion, whereas the MRFs myogenin and MRF4 (Myf6) control the differentiation of myoblasts into myofibers and myotubes (Bentzinger et al, 2012;Buckingham and Rigby, 2014). Likewise in plants, pre-specification of the shoot protodermal (L1) identity, which is controlled by the homeobox transcription factors MERISTEM LAYER 1 (ATML1) and HOMEODOMAIN GLABROUS 2 (HDG2), is required for the initiation of stomatal cell lineages (Takada et al, 2013;Peterson et al, 2013). The ectopic expression of ATML1 or HDG2 is sufficient to induce SPCH expression and subsequent stomatal differentiation in nonepidermal cells (Takada et al, 2013;Peterson et al, 2013).…”
Section: Transcription Factors Regulating Stomatal Lineage Specificationmentioning
confidence: 99%
“…Likewise in plants, pre-specification of the shoot protodermal (L1) identity, which is controlled by the homeobox transcription factors MERISTEM LAYER 1 (ATML1) and HOMEODOMAIN GLABROUS 2 (HDG2), is required for the initiation of stomatal cell lineages (Takada et al, 2013;Peterson et al, 2013). The ectopic expression of ATML1 or HDG2 is sufficient to induce SPCH expression and subsequent stomatal differentiation in nonepidermal cells (Takada et al, 2013;Peterson et al, 2013). Lossof-function spch mutants do not express any stomatal lineage markers and produce a leaf epidermis solely composed of pavement cells, whereas ectopic SPCH overexpression confers excess ACDs and generates highly divided small cells (MacAlister et al, 2007; In the developing epidermis of photosynthetic tissues, an undifferentiated protodermal cell adopts a meristemoid mother cell (MMC, purple) identity and undergoes an asymmetric cell division (ACD), giving rise to a meristemoid (cyan).…”
Section: Transcription Factors Regulating Stomatal Lineage Specificationmentioning
confidence: 99%
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