Table 2.

Some polyketides produced by Streptomyces and their minimal type II PKSs.

Polyketide	Intermediate Backbone Structure	Producer	Minimal Type II PKSs	Ref.
Medermycin	octaketide	Streptomyces sp. K73	Med-1,2,23	[69,70]
Doxorubicin	decaketide	Streptomyces peucetius	DpsABCDG	[60,65]
Oxytetracycline	decaketide	Streptomyces rimosus	OxyABCD	[71]
Gilvocarcin	decaketide	Streptomyces griseoflavus Gö 3592	GilABC	[72]
Oviedomycin	decaketide	Streptomyces antibioticus	OvmPKS	[73]
Chartreusin	decaketide	Streptomyces chartreusis	ChaABC	[74]
Cervimycin	decaketide	Streptomyces tendae HKI-179	CerABC	[75,76]
Resistomycin	decaketide	Streptomyces resistomycificus	RemABC	[77]
Chromomycin	decaketide	Streptomyces griseus subsp. griseus	CmmPKS	[78,79]
Hedamycin	dodecaketide	Streptomyces griseoruber	HedCDE	[80,81]
Fredericamycin	pentadecaketide	Streptomyces griseus ATCC 49344	FdmFSGH	[82,83]