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Gene : EIN2 A. thaliana

DB identifier  ? AT5G03280 Secondary Identifier  ? locus:2142594
Name  ? ETHYLENE INSENSITIVE 2 Brief Description  NRAMP metal ion transporter family protein
TAIR Computational Description  NRAMP metal ion transporter family protein;(source:Araport11)
TAIR Curator Summary  Involved in ethylene signal transduction. Acts downstream of CTR1. Positively regulates ORE1 and negatively regulates mir164A,B,C to regulate leaf senescence. A maternally expressed imprinted gene. Mutations in ein2 block ethylene stimulation of flavonol synthesis. The mRNA is cell-to-cell mobile.
TAIR Short Description  NRAMP metal ion transporter family protein
TAIR Aliases  ATEIN2, CKR1, EIN2, ERA3, ORE2, ORE3, PIR2

41 Gene Rifs

1 Organism

216 Publications

0 Synonyms

Genomics

Genome feature

Region: gene ? Length: 5977  
Location: Chr5:787428-793404

Gene models - EIN2 AT5G03280

? Gene models

Transcripts: 1  Exons: 8  Introns: 7 

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9 Child Features

1 Cross References

1 Downstream Intergenic Region

0 Located Features

1 Upstream Intergenic Region

Proteins

Curated comments from UniProt

Type Comment Proteins
EIN2_ARATH function Central factor in signaling pathways regulated by ethylene (ET) and involved in various processes including development, plant defense, senescence, nucleotide sugar flux, and tropisms (PubMed:27694846, PubMed:28874528). Necessary for ethylene-mediated gene regulation, and for the induction of some genes by ozone. Acts downstream of ET receptors, and upstream of ethylene regulated transcription factors. Required for cytokinin-mediated processes. Seems to be implicated in cross-talk between ET, jasmonate and other pathways. Probably not involved in iron uptake (PubMed:10381874, PubMed:12953109, PubMed:14973160, PubMed:15010611, PubMed:15272873, PubMed:7770519, PubMed:9351240). Has a short half-life and undergoes rapid proteasome-mediated turnover in the absence of ethylene (PubMed:19196655). Required for ethylene-induced EIN3 stabilization via proteasomal degradation of EBF1/EBF2 proteins (PubMed:20647342). Regulates the leaf senescence induced by methyl jasmonate, ethylene and abscisic acid (PubMed:15010611, Ref.17). Required during salt stress to confer resistance (PubMed:21631530).
EIN2_ARATH function Trafficking signal inducing ethylene response. The nuclear localization is both necessary and sufficient to activate EIN3-mediated transcription and ethylene responses (PubMed:23070300). Involved in ethylene (ET)-mediated signaling pathways by triggering histone acetylation of H3K14 and H3K23 in an ENAP1-dependent manner, thus influencing the expression of ethylene-responsive genes (PubMed:27694846, PubMed:28874528). Necessary and sufficient for 3'-UTR-mediated translational repression of EBF1 and EBF2 mRNAs. Ethylene induces EIN2-CEND to associate with 3' UTRs in cytoplasmic foci and target EBF1/2 mRNAs to cytoplasmic processing-body (P-body) (PubMed:26496607, PubMed:26496608). MPK6 regulates the cleavage and nuclear translocation of EIN2-CEND under methyl jasmonate treatment (PubMed:26507893). Required for EIN3 accumulation (PubMed:26507893).
EIN2_ARATH similarity Belongs to the NRAMP (TC 2.A.55) family.
EIN2_ARATH subcellular location Perception of ethylene or methyl jasmonate leads to proteolytic cleavage allowing the C-terminal domain to localize to the nucleus while the N-terminus remains at the endoplasmic reticulum membrane. Apart from nuclear localization, some association with endoplasmic membranes and some speckles are also observed in the cytoplasm. During hypoxia (e.g. submergences), translocates from endoplasmic reticulum (ER) to the nucleus via a ceramides-triggered and CTR1-dependent manner (PubMed:25822663).
EIN2_ARATH tissue specificity Localized to the guard cells after methyl jasmonate treatment.

1 Proteins

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