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Publikation

Schwechheimer, C.; Villalobos, L. I. A. C.; Cullin-containing E3 ubiquitin ligases in plant development Curr. Opin. Plant Biol. 7, 677-686, (2004) DOI: 10.1016/j.pbi.2004.09.009

In eukaryotes, the ubiquitin–proteasome system participates in the control of signal transduction events by selectively eliminating regulatory proteins. E3 ubiquitin ligases specifically bind degradation substrates and mediate their poly-ubiquitylation, a prerequisite for their degradation by the 26S proteasome. On the basis of the analysis of the Arabidopsis genome sequence, it is predicted that there are more than 1000 E3 ubiquitin ligases in plants. Several types of E3 ubiquitin ligases have already been characterized in eukaryotes. Recently, some of these E3 enzymes have been implicated in specific plant signaling pathways.
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