Streptomyces lividans ZX7 transformed with a --40 KB fragment of S. murayamaensis DNA produces the kinamycin biosynthetic intermediates kinobscurinone (1) and stealthin C (2a), as well as seongomycin (3), which had been previously observed in S. murayamaensis UV mutant MC 1. © 1997 Elsevier Science Ltd.