| Institution: | 1. Department of Genetics and Development, University of Illinois, Urbana, IL 61801, U.S.A.;2. Department of Dairy Science, University of Illinois, Urbana, IL 61801, U.S. A.;3. Lehrstuhl für Mikrobiologie, Technische Universität München, 8000 München, Federal Republic of Germany;4. Department of Microbiology, Southern Illinois University, Carbondale, IL 62901, U.S.A;5. Scripps Institute of Oceanography, La Jolla, CA 92093, U.S. A.;6. Department of Biochemical and Biophysical Sciences, University of Houston, University Park, Cullen Blvd., Houston, TX 77004, U.S.A. |
