Gene Symbol: ETO1
Description: tetratricopeptide repeat (TPR)-containing protein
Species: thale cress

Top Publications

  1. Wang K, Yoshida H, Lurin C, Ecker J. Regulation of ethylene gas biosynthesis by the Arabidopsis ETO1 protein. Nature. 2004;428:945-50 pubmed
    ..Here we report that another ethylene-overproducer mutation, eto1, is in a gene that negatively regulates ACS activity and ethylene production...
  2. Ortega Martínez O, Pernas M, Carol R, Dolan L. Ethylene modulates stem cell division in the Arabidopsis thaliana root. Science. 2007;317:507-10 pubmed
    ..We propose that ethylene is part of a signaling pathway that modulates cell division in the quiescent center in the stem cell niche during the postembryonic development of the root system. ..
  3. Christians M, Gingerich D, Hansen M, Binder B, Kieber J, Vierstra R. The BTB ubiquitin ligases ETO1, EOL1 and EOL2 act collectively to regulate ethylene biosynthesis in Arabidopsis by controlling type-2 ACC synthase levels. Plant J. 2009;57:332-45 pubmed publisher
    ..ubiquitin/26 S proteasome system, using a broad complex/tramtrack/bric-a-brac (BTB) E3 assembled with the ETHYLENE OVERPRODUCER 1 (ETO1) BTB protein for target recognition...
  4. Yoon G, Kieber J. 14-3-3 regulates 1-aminocyclopropane-1-carboxylate synthase protein turnover in Arabidopsis. Plant Cell. 2013;25:1016-28 pubmed publisher
    ..14-3-3s also interact with the ETHYLENE-OVERPRODUCER1 (ETO1)/ETO1-LIKE (EOLs), a group of three functionally redundant proteins that are components of a CULLIN-3 E3 ubiquitin ..
  5. Yoon G, Kieber J. ACC synthase and its cognate E3 ligase are inversely regulated by light. Plant Signal Behav. 2013;8:e26478 pubmed publisher both a direct effect and via downregulation of the stability of the E3 ligases regulating its turnover, Ethylene Overproducer1 (ETO1)/ETO1-like (EOL)...
  6. Leon P, Sheen J. Sugar and hormone connections. Trends Plant Sci. 2003;8:110-6 pubmed
    ..The effects of sugar and osmotic stress on morphogenesis and gene expression are distinct. The plasticity of plant growth and development are exemplified by the complex interplay of sugar and hormone signalling. ..
  7. Cela J, Falk J, Munné Bosch S. Ethylene signaling may be involved in the regulation of tocopherol biosynthesis in Arabidopsis thaliana. FEBS Lett. 2009;583:992-6 pubmed publisher
    Tocopherol biosynthesis was investigated in ein3-1, etr1-1 and eto1-1 mutants of Arabidopsis thaliana, which show a defect in ethylene signaling, perception and over-produce ethylene, respectively...
  8. Jiang C, Belfield E, Cao Y, Smith J, Harberd N. An Arabidopsis soil-salinity-tolerance mutation confers ethylene-mediated enhancement of sodium/potassium homeostasis. Plant Cell. 2013;25:3535-52 pubmed publisher
    ..This phenotype is conferred by a loss-of-function allele of ethylene overproducer1 (ETO1; mutant alleles of which cause increased production of ethylene)...
  9. Yoshida H, Nagata M, Saito K, Wang K, Ecker J. Arabidopsis ETO1 specifically interacts with and negatively regulates type 2 1-aminocyclopropane-1-carboxylate synthases. BMC Plant Biol. 2005;5:14 pubmed
    In Arabidopsis, ETO1 (ETHYLENE-OVERPRODUCER1) is a negative regulator of ethylene evolution by interacting with AtACS5, an isoform of the rate-limiting enzyme, 1-aminocyclopropane-1-carboxylate synthases (ACC synthase or ACS), in ethylene ..

More Information


  1. Strader L, Chen G, Bartel B. Ethylene directs auxin to control root cell expansion. Plant J. 2010;64:874-84 pubmed publisher
    Root morphogenesis is controlled by the regulation of cell division and expansion. We isolated an allele of the eto1 ethylene overproducer as a suppressor of the auxin-resistant mutant ibr5, prompting an examination of crosstalk between ..
  2. Wang L, Dong J, Gao Z, Liu D. The Arabidopsis gene hypersensitive to phosphate starvation 3 encodes ethylene overproduction 1. Plant Cell Physiol. 2012;53:1093-105 pubmed publisher
    ..Molecular cloning indicated that the phenotypes of hps3 mutants were caused by mutations within the ETO1 (ETHYLENE OVERPRODUCTION 1) gene...
  3. Lockhart J. Salt of the earth: ethylene promotes salt tolerance by enhancing Na/K homeostasis. Plant Cell. 2013;25:3150 pubmed publisher
  4. Tan S, Xue H. Casein kinase 1 regulates ethylene synthesis by phosphorylating and promoting the turnover of ACS5. Cell Rep. 2014;9:1692-702 pubmed publisher
    ..biosynthesis, at threonine 463 to promote its interaction with the E3 ubiquitin ligase Ethylene Overproduction 1 (ETO1). Deficiency of CK1...