AUXIN UP-REGULATED F-BOX PROTEIN1 regulates the cross talk between auxin transport and cytokinin signaling during plant root growth.
Zheng X, Miller ND, Lewis DR, Christians MJ, Lee KH, Muday GK, Spalding EP, Vierstra RD. Plant Physiol. 2011 Aug; 156(4):1878-93. Epub 2011 Jun 8.