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Gene : ER A. thaliana

DB identifier  ? AT2G26330 Secondary Identifier  ? locus:2005507
Name  ? ERECTA Brief Description  Leucine-rich receptor-like protein kinase family protein
TAIR Computational Description  Leucine-rich receptor-like protein kinase family protein;(source:Araport11)
TAIR Curator Summary  Homologous to receptor protein kinases. Involved in specification of organs originating from the shoot apical meristem. Contains a cytoplasmic protein kinase catalytic domain, a transmembrane region, and an extracellular leucine-rich repeat. ER has been identified as a quantitative trait locus for transpiration efficiency by influencing epidermal and mesophyll development, stomatal density and porosity of leaves. It has been implicated in resistance to the bacterium Ralstonia solanacearum and to the necrotrophic fungus Plectosphaerella cucumerina. Together with ERL1 and ERL2, ER governs the initial decision of protodermal cells to either divide proliferatively to produce pavement cells or divide asymmetrically to generate stomatal complexes. ER binds to the peptides STOMAGEN and EPF2 which compete for the same binding site. The ER-EFP2 complex activates MAPK signaling that inhibits stomatal development. ER-STOMAGEN does not activate MAPK signaling. Plants harboring loss of function alleles of er are more susceptible to heat stress than wild type. In Arabidopsis and other organisms, overexpression of ER confers thermotolerance via as yet undefined mechanisms.
TAIR Short Description  Leucine-rich receptor-like protein kinase family protein
TAIR Aliases  ER, QRP1

45 Gene Rifs

1 Organism

111 Publications

0 Synonyms

Genomics

Genome feature

Region: gene ? Length: 6583  
Location: Chr2:11208080-11214662 reverse strand

Gene models - ER AT2G26330

? Gene models

Transcripts: 1  Exons: 27  Introns: 26 

Overlapping Features

? Genome features that overlap coordinates of this Gene

28 Child Features

1 Cross References

1 Downstream Intergenic Region

0 Located Features

1 Upstream Intergenic Region

Proteins

Curated comments from UniProt

Type Comment Proteins
ERECT_ARATH developmental stage Strongly expressed in organ primordia and immature organs but weakly in mature organs. Observed in SAM at low levels during the vegetative growth with an increase at the transition to the reproductive growth phase. At the reproductive stage, localized in the young developing flowers. Expressed in inflorescence meristem and is up-regulated during flower initiation and formation of flower organs. Also found in cells that differentiate into pedicels.
ERECT_ARATH function Receptor kinase that, together with ERL1 and ERL2, regulates aerial architecture, including inflorescence (e.g. shoot apical meristem-originating organ shape, elongation of the internode and pedicels, and adaxial-abaxial polarity), and stomatal patterning (e.g. density and clustering), probably by tuning cell division and expansion. Redundantly involved with ERL1 in procambial development regulation. Forms a functional ligand-receptor pair with EPF2 (AC Q8LC53) (PubMed:22241782). Modulates plant transpiration efficiency by controlling stomatal density, leaf photosynthetic capacity, epidermal cell expansion, mesophyll cell proliferation and cell-cell contact. A phloem-specific expression of ER is sufficient for proper inflorescence architecture (PubMed:22474391). Probable major trait regulating canalization (maintenance of phenotype despite varying environment) in many aspect of the plant physiology (e.g. plant morphology, light-dependent leaves number, branch number, flowering time, phytate and mineral concentrations) by transducing microenvironmental variation into phenotypic differentiation (ecological amplifier). May maintain development integrity in heat stress conditions. Regulates cell wall composition and structure. Confers resistance to the pathogenic bacteria Ralstonia solanacearum and to the necrotrophic fungi Plectosphaerella cucumerina and Pythium irregulare, and required for callose deposition upon infection. Resistance to P.cucumerina seems cell wall-mediated. Forms a constitutive complex with TMM involved in the recognition of the stomatal regulatory peptides EPF1, EPF2 and EPFL9/STOMAGEN (PubMed:28536146).
ERECT_ARATH similarity Belongs to the protein kinase superfamily. Ser/Thr protein kinase family.
ERECT_ARATH tissue specificity Mostly expressed in shoot apical meristems (SAM), organ primordia, flowers, siliques and young rosette leaves, and, to a lower extent, in stems and cauline leaves. Expressed in growing inflorescence stems and pedicels. Detected in epidermis, phloem and xylem.

1 Proteins

Function

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Expression

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Co-expression

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Data Source: ATTED-II
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LS: LS is a monotonic transformation (negative logit) of MR index. Larger LS indicates stronger co-expression.

 

Homology

Phytozome Homologs

Data Source: Phytozome


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9 Data Sets