This new volume of Methods in Enzymology continues the legacy of this premier serial by containing quality chapters authored by leaders in the field. The third of 3 volumes covering Natural product biosynthesis by microorganisms and plants. - This new volume continues the legacy of this premier serial - Contains quality chapters authored by leaders in the field - The third of 3 volumes, it has chapters on such topics as metabolic pathways in Aspergillus oryzae, heterologous gene clusters and cyanobacteria as a source of natural products