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Cloning and characterization of the Streptomyces peucetius dnmZUV genes encoding three enzymes required for biosynthesis of the daunorubicin precursor thymidine diphospho-L-daunosamine.

By S L Otten, M A Gallo, K Madduri, X Liu and C R Hutchinson

Abstract

Characterization of the dnmZ, dnmU, and dnmV genes from the daunorubicin-producer Streptomyces peucetius by DNA sequence analysis indicated that these genes encode a protein of unknown function plus a putative thymidine diphospho-4-keto-6-deoxyglucose-3(5)-epimerase and thymidine diphospho-4-ketodeoxyhexulose reductase, respectively. Inactivation of each of the three genes by gene disruption and replacement in the wild-type strain demonstrated that all of them are required for daunosamine biosynthesis

Topics: Research Article
Year: 1997
DOI identifier: 10.1128/jb.179.13.4446-4450.1997
OAI identifier: oai:pubmedcentral.nih.gov:179277
Provided by: PubMed Central
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