Affiliation: | (1) MRC Cell Mutation Unit, University of Sussex, BN1 9RR Falmer, Brighton, East Sussex, UK;(2) Microbial Genetics Laboratory, University of Sussex, BN1 9RR Falmer, Brighton, East Sussex, UK;(3) Dept. of Genetics and Cell Biology, Medical Genetics Center South West Netherlands, Erasmus University, P.O. Box 1738, Rotterdam, Netherlands |