What is "mitomycin"

n. (context biochemistry English) Any of a family of aziridine-containing natural products isolated from the filamentous bacterium (taxlink Streptomyces lavendulae species noshow=1), one of which is used as a chemotherapeutic agent.

n. a complex of antibiotic substances obtained from a Streptomyces bacterium; one form (trade name Mutamycin) shows promise as an anticancer drug [syn: Mutamycin]