In publishing the research results obtained by use of the BIOLOGICAL RESOURCE, citation of the following literature designated by the DEPOSITOR is requested:

2.F. Kawai and M. Takeuchi, J. Ferment. Bioeng., 82, 492-494(1996)
1.F. Kawai and S. Enokibara, J. Ferment. Bioeng., 82, 575-579(1996)

3.F. Kawai, J. Environ. Polym. Degr., 4, 21-28(1996)