Drought stress-induced Rma1H1, a RING membrane-anchor E3 ubiquitin ligase homolog, regulates aquaporin levels via ubiquitination in transgenic Arabidopsis plants.
Lee HK, Cho SK, Son O, Xu Z, Hwang I, Kim WT. Plant Cell. 2009 Feb; 21(2):622-41. Epub 2009 Feb 20.