SHR and SCR coordinate root patterning and growth early in the …
2024年1月31日 · SHORTROOT (SHR) and SCARECROW (SCR) are transcription factors that are required for formative divisions in the stem cell niche of Arabidopsis roots 1, 2. Here we show that levels of SHR and SCR...
Protein complex stoichiometry and expression dynamics of …
The combined activation and repression of WOX5 and SEU, respectively, causes temporal changes in SHR-SCR complex expression. High SHR-SCR complex expression between 4D 16H and 5D coordinates the periclinal division of the CEI daughter. Low SHR-SCR complex expression at 6D correlates with QC division after 6D.
An Evolutionarily Conserved Mechanism Delimiting SHR Movement ... - Science
2007年4月20日 · We show that SCARECROW (SCR) blocks SHR movement by sequestering it into the nucleus through protein-protein interaction and a safeguard mechanism that relies on a SHR/SCR-dependent positive feedback loop for SCR transcription.
finding suggests that in monocots, SCR paralogs redundantly function in ACDs of the initial cells that give rise to root radial symmetry as well as in specifying ground tissue identity.
A mechanism coordinating root elongation, endodermal differentiation ...
2021年5月31日 · SCARECROW (SCR) and SHORT-ROOT (SHR) are GRAS family genes essential for root growth and radial patterning in the Arabidopsis root. Previous studies showed that SCR and SHR promote root growth by suppressing cytokinin response in the meristem, but there is evidence that SCR expressed beyond the meristem is also required for root growth.
The SHORT-ROOT Gene Controls Radial Patterning of the …
2000年5月26日 · We show that SHR encodes a putative transcription factor with homology to SCARECROW (SCR). From analyses of gene expression and cell identity in genetically stable and unstable alleles of shr, we conclude that SHR functions upstream of SCR and participates in a radial signaling pathway.
Spatiotemporal regulation of cell-cycle genes by SHORTROOT …
2010年7月1日 · Here we show, using cell-type-specific transcriptional effects of SHR and SCR combined with data from chromatin immunoprecipitation-based microarray experiments, that SHR regulates the...
Establishment of Expression in the SHORTROOT-SCARECROW …
2016年12月5日 · At the top of the SHR-SCR transcriptional cascade, our results indicate that SHR expression is established by the combination of activators and repressors (Figure 5B). The expression pattern of these regulators indicates that most …
INDETERMINATE DOMAIN PROTEIN binding sequences in the 5
2017年3月21日 · In this report, we defined several JKD (or IDD protein) binding sequences in the SCR promoter and show that sequences in the 5′-UTR are essential for SCR expression in roots and the BS. Each binding sequence appears to have a distinct role in regulating SCR expression.
INDETERMINATE DOMAIN PROTEIN binding sequences in the 5
The sequences around -1 kb appeared to regulate SCR expression negatively in plants. Together, these INDETERMINATE DOMAIN PROTEIN binding sequences have crucial and distinct functions in regulating SCR expression.