potentially intriguing relationships between LIS1 and mi-Orly Reiner* crotubule regulation, microtubule-based motor pro-Department of Molecular Genetics teins, and migration (reviewed in Morris et al., 1998a). The Weizmann Institute of Science NudF, a LIS1 homolog in Aspergillus nidulans, was ini-76100 Rehovot tially identified as a mutant defective in nuclear migra-Israel tion (Xiang et al., 1...