Protein Information

Name ubiquitin
Synonyms HMG20; RPS27A; UBA80; UBCEP 1; UBCEP1; UBA52; UBCEP 2; UBCEP2…

Compound Information

Name ethylene
CAS ethene

Reference List

PubMed Abstract RScore(About this table)
19899704 Shpakov AO: [Chemosignaling systems of plants] . Tsitologiia. 2009;51(9):721-34.

Among them there activated by cytokinins, ethylene and brassinosteroids two-component signaling systems involving receptor protein kinases as a sensor, and activated by auxin, gibberellins and jasmonates multicomponent SCF-complexes possessing ubiquitin ligase activity.
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19796781 Memelink J: Regulation of gene expression by jasmonate hormones. Phytochemistry. 2009 Sep;70(13-14):1560-70. Epub 2009 Sep 30.

Jasmonates are important signaling molecules produced by plants which regulate in positive or negative crosstalk with ethylene subsets of genes involved in defense against necrotrophic microorganisms or herbivorous insects, respectively.
The bioactive jasmonate (+)-7-iso-JA-l-Ile promotes the interaction between the ubiquitin ligase complex SCF (COI1) and JAZ proteins, resulting in their degradation by the 26S proteasome, thereby liberating AtMYC2 from repression according to the prevailing model.
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19903730 Yang Y, Wu Y, Pirrello J, Regad F, Bouzayen M, Deng W, Li Z: Silencing Sl-EBF1 and Sl-EBF2 expression causes constitutive ethylene response phenotype, accelerated plant senescence, and fruit ripening in tomato. J Exp Bot. 2010 Mar;61(3):697-708. Epub 2009 Nov 10.

The data support the hypothesis that protein degradation via the ubiquitin/26S proteasome pathway is a control point of fruit ripening and open new leads for engineering fruit quality.
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20348432 Millet YA, Danna CH, Clay NK, Songnuan W, Simon MD, Werck-Reichhart D, Ausubel FM: Innate Immune Responses Activated in Arabidopsis Roots by Microbe-Associated Molecular Patterns. Plant Cell. 2010 Mar 26.


Ethylene signaling, the 4-methoxy-indole-3-ylmethylglucosinolate biosynthetic pathway, and the PEN2 myrosinase, but not salicylic acid or jasmonic acid signaling, play major roles in this MAMP response.
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