Affiliation: | Biocenter of the University of Basel Klingelberstrasse 70, CH-4056, Basel, Switzerland;Max-Planck-Institut für Molekulare Genetik Abteilung Wittmann, Ihnesstrasse, 63-73, D-1 Berlin, Germany;Environmental Defense Fund 1525 18th Street, N.W., Washington, D.C. 20036, U.S.A. |