Proteins
Curated comments from UniProt
Type | Comment | Proteins |
---|---|---|
BASL_ARATH BASL_ARATH-2 | developmental stage | First observed in nuclei of epidermal cells 16 hours post germination (PubMed:19523675). Later confined to cells undergoing asymmetric divisions (e.g. stomatal lineage cells) (PubMed:19523675). Expressed in protodermal cells in young seedlings (PubMed:30429609). Copolarizes with YDA and MPK3/MPK6 in stomatal asymmetric cell division (ACD) cells (PubMed:27746029). |
BASL_ARATH BASL_ARATH-2 | function | Regulates asymmetric cell division (ACD), especially in stomatal-lineage cells, probably by modulating accumulation and subcellular polarization of POLAR and SPCH (PubMed:25843888, PubMed:30429609). Mediates an attenuation of MAPK signaling upon polarization of POLAR and ASK7/BIN2 in stomatal lineage ground cells (SLGCs) undergoing ACD, and relieves BIN2 inhibition of SPCH in the nucleus (PubMed:25843888, PubMed:30429609). When phosphorylated, functions as a scaffold and recruits the MAPKKK YODA, MPK3 and MPK6 to spatially reorganize the MAPK signaling pathway at the cortex of cells undergoing ACD (PubMed:25843888). Cortical polarization leads to elevated nuclear MPK6 signaling and lowered SPCH abundance in one of the two daughter cells, thus differentiating the two daughter cells after ACD (PubMed:27746029). |
BASL_ARATH BASL_ARATH-2 | subcellular location | Dynamic and highly polarized subcellular localization at the cortical polarity in a phosphorylation status-dependent manner (PubMed:19523675, PubMed:21903812, PubMed:25843888, PubMed:27422992, PubMed:27746029, PubMed:30429609). Polarity is only exhibited by one daughter cell after an asymmetric cell division (PubMed:27746029). ASK7/BIN2-mediated nuclear exclusion (PubMed:30429609). First localized to the nucleus in asymmetric cell division (ACD) precursors (PubMed:30429609). In asymmetrically dividing stomatal-lineage cells, before division, accumulates in a polarized crescent at the cell periphery (e.g. meristemoid mother cells (MMCs)), and, after division, localizes differentially to the nucleus (e.g. in meristemoids) and a peripheral crescent in self-renewing cells and their sisters (e.g. stomatal lineage ground cell (SLGC)) (PubMed:19523675, PubMed:25843888, PubMed:27422992, PubMed:30429609). Localized in the cell periphery at a position that minimizes the inverse distance from all points along the new division boundaries (PubMed:21903812). |
BASL_ARATH BASL_ARATH-2 | tissue specificity | Mostly expressed in stomatal lineage cells including asymmetrically dividing meristemoid mother cells (MMCs) and meristemoids, and, at lower levels, in their sisters (PubMed:19523675, PubMed:27422992). Also present in vasculature (PubMed:19523675). Expressed at low levels in the epidermal pavement cells (PubMed:27422992). |
Function
Gene Ontology
cellular component | |
---|---|
nucleus | ECO |
cell cortex | ECO |
extrinsic component of plasma membrane | ECO |
molecular function | |
No terms in this category. | |
biological process | |
unidimensional cell growth | ECO |
asymmetric cell division | ECO |
regulation of asymmetric cell division | ECO |
stomatal complex development | ECO |
Interactions
Interaction Network
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