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Updated: Aug 16, 2025

From a Natural Product to Its Biosynthetic Gene Cluster: A Demonstration Using Polyketomycin from Streptomyces diastatochromogenes Tü6028
Published on: January 13, 2017
Discovery and Biosynthesis of the Amodesmycins, Aromatic Polyketide-Siderophore Hybrid Conjugates
Ruijie Huang1, Xiaolu Meng1, Kaixiang Tao1
1College of Food Science and Technology, Nanjing Agricultural University, 1 Weigang, Nanjing 210095, China.
Abstract:
A type II polyketide synthase biosynthetic gene cluster (amd) containing three P450 genes was identified from a soil metagenomic library, and novel benz[h]isoquinoline-desferrioxamine B conjugated compound amodesmycins were isolated from Streptomyces albus J1074 harboring the amd gene cluster. Genetic evidence showed that the benz[h]isoquinoline part and desferrioxamine B part in amodesmycins were derived from the amd gene cluster and S. albus J1074, respectively, while P450 enzymes played critical roles in the conjunction of these two parts.
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