Research TopicsGenomes and GenesSpecies | HOS1SummaryGene Symbol: HOS1 Description: ubiquitin-protein ligase Alias: EARLY IN SHORT DAYS 6, ESD6, HIGH EXPRESSION OF OSMOTICALLY RESPONSIVE GENES 1, T5I7.11, T5I7_11, ubiquitin-protein ligase Species: thale cress Top Publications
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- Macgregor D, Gould P, Foreman J, Griffiths J, Bird S, Page R, et al. HIGH EXPRESSION OF OSMOTICALLY RESPONSIVE GENES1 is required for circadian periodicity through the promotion of nucleo-cytoplasmic mRNA export in Arabidopsis. Plant Cell. 2013;25:4391-404 pubmed publisher..the INDUCER OF CBF EXPRESSION1 protein by the E3 ubiquitin ligase HIGH EXPRESSION OF OSMOTICALLY RESPONSIVE GENES1 (HOS1)...
- Viswanathan C, Zhu J. Molecular genetic analysis of cold-regulated gene transcription. Philos Trans R Soc Lond B Biol Sci. 2002;357:877-86 pubmed..We have also identified the hos1 mutation, which showed super induction of cold-responsive genes and their transcriptional activators...
- Miura K, Jin J, Lee J, Yoo C, Stirm V, Miura T, et al. SIZ1-mediated sumoylation of ICE1 controls CBF3/DREB1A expression and freezing tolerance in Arabidopsis. Plant Cell. 2007;19:1403-14 pubmed..SIZ1-dependent sumoylation of ICE1 may activate and/or stabilize the protein, facilitating expression of CBF3/DREB1A and repression of MYB15, leading to low temperature tolerance...
- Dong C, Agarwal M, Zhang Y, Xie Q, Zhu J. The negative regulator of plant cold responses, HOS1, is a RING E3 ligase that mediates the ubiquitination and degradation of ICE1. Proc Natl Acad Sci U S A. 2006;103:8281-6 pubmed..We present evidence here that HOS1 is an E3 ligase required for the ubiquitination of ICE1...
- Lee H, Xiong L, Gong Z, Ishitani M, Stevenson B, Zhu J. The Arabidopsis HOS1 gene negatively regulates cold signal transduction and encodes a RING finger protein that displays cold-regulated nucleo--cytoplasmic partitioning. Genes Dev. 2001;15:912-24 pubmed..In Arabidopsis thaliana, the HOS1 locus is a key negative regulator of low temperature-responsive gene transcription...
- Jung J, Park J, Lee S, To T, Kim J, Seki M, et al. The cold signaling attenuator HIGH EXPRESSION OF OSMOTICALLY RESPONSIVE GENE1 activates FLOWERING LOCUS C transcription via chromatin remodeling under short-term cold stress in Arabidopsis. Plant Cell. 2013;25:4378-90 pubmed publisher..The cold signaling attenuator HIGH EXPRESSION OF OSMOTICALLY RESPONSIVE GENE1 (HOS1) negatively regulates cold responses...
- Ding Y, Li H, Zhang X, Xie Q, Gong Z, Yang S. OST1 kinase modulates freezing tolerance by enhancing ICE1 stability in Arabidopsis. Dev Cell. 2015;32:278-89 pubmed publisher..Moreover, OST1 interacts with both the transcription factor ICE1 and the E3 ligase HOS1 in the CBF pathway. Cold-activated OST1 phosphorylates ICE1 and enhances its stability and transcriptional activity...
- Lazaro A, Mouriz A, Piñeiro M, Jarillo J. Red Light-Mediated Degradation of CONSTANS by the E3 Ubiquitin Ligase HOS1 Regulates Photoperiodic Flowering in Arabidopsis. Plant Cell. 2015;27:2437-54 pubmed publisher..We previously showed that the E3 ubiquitin ligase HIGH EXPRESSION OF OSMOTICALLY RESPONSIVE GENES1 (HOS1) physically interacts with CO in Arabidopsis...