MICROBIAL NATURAL-PRODUCTS THAT AFFECT PLANTS, PHYTOPATHOGENS, AND CERTAIN OTHER MICROORGANISMS

Biologically active natural products of microbial origin are diverse i n chemical structure and exhibit different responses in divergent assa y systems. They may have practical use as plant growth regulators, ant imicrobials, and phytotoxins. In addition, they may be viewed as bioac tive templates that may be altered to produce compounds with changed s pecific activities and target specificities.