Abstract
1 Center for Great Lakes Studies, University of Wisconsin-Milwaukee, Milwaukee, WI 53204, USA
2 Istituto di Scienze Tossicogiche Ingienstiche e Ambientali, University of Urbino, 61029 Urbino, Italy
3 Department of Biological Sciences, University of Wisconsin-Milwaukee, Milwaukee, WI 53211, USA
4 Department of Civil Engineering, Northwestern University, Evanston, IL 60208, USA
5 Department of Molecular Genetics, Forsyth Institute, Boston, MA 02115, USA
6 Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH, Mascheroder Weg 1b, D-38124 Braunschweig, Germany
7 Jet Propulsion Laboratories, California Polytechnic Institute, Pasadena, CA 91109, USA