Abstract
LKP2 (LOV kelch repeat 2), which belongs to ADO/FKF/LKP/ZTL family protein in Arabidopsis, possesses an LOV, an F-box and a Kelch repeat domain. LKP2 is postulated to regulate the degradation of certain regulatory proteins that control circadian rhythm, photomorphogenesis or flowering time, through ubiquitin-proteasome system. We isolated LIF1 (LKP2 interacting factor 1) through a yeast 2-hybrid system using LKP2 as a bait. In this study, we will show our experimental results on LIF1 gene expression, intracellular localization of LIF1 protein, and phenotypic analysis of LIF1 transgenic plants, and discuss possible LIF1 function. This work was supported by a grant from the Program for Promotion of Basic Research Activities for Innovative Bioscience (PROBRAIN).