1. Biopulping International, Inc., Madison, WI 53705
2. University of Wisconsin Biotechnology Center, Madison, WI 53706
3. Forest Products Laboratory, U.S. Department of Agriculture Forest Service, Madison, WI 53705
4. Current address: Forest Products Laboratory, U.S. Department of Agriculture Forest Service, Madison, WI 53705.
5. Department of Chemical Engineering, University of Wisconsin, Madison, WI 53706
6. Department of Bacteriology, University of Wisconsin, Madison, WI 53706