Postdoctoral positions available to study cytokinesis in a well-established model system, the trypanosomes. Research experience in molecular biology and cell biology is essential. Must have a recent Ph.D. degree. Send curriculum vitae and names and addresses of three references to: Prof. C. C. Wang, Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94158-2280. Fax: 415-476-3382; e-mail: ccwang@cgl.ucsf.edu.