Institution: | (1) Department of Microbiology, University of Washington, 98195 Seattle, WA, USA;(2) Present address: International Biotechnologies Inc., 25 Science Park, 06511 New Haven, CT, USA;(3) Present address: Mycogen Corp., 92121 San Diego, CA, USA;(4) Present address: Biotechnology Laboratory, University of British Columba, B.C. Vancouver, Canada, V6T 1W5 |