4Fang A,Wong G K,Demain A L.Enhancement of the antifungal activity of rapamycin by the coproduced elaiophylin and nigericin[J].J Anbiot,2000,53(2):158.
5Cheng Y R,Huang J,Qiang H,et al.Mutagenesis of the rapamycin producer Streptomyces hygroscopicus FC904[J].J Anbiot,2001,54(11):967.
6Ford L M,Eaton T E,Godfrey O W.Selection of Streptomyces ambofaciens mutants that produce large quantities of spiramycin and determination of optimal conditions for spiramycin production[J].Appl Enviro Microbiol,1990,56(11):3511.