An erythromycin derivative produced by targeted gene disruption in Saccharopolyspora erythraea - PubMed (original) (raw)

. 1991 Apr 5;252(5002):114-7.

doi: 10.1126/science.2011746.

Affiliations

• PMID: 2011746
• DOI: 10.1126/science.2011746

An erythromycin derivative produced by targeted gene disruption in Saccharopolyspora erythraea

J M Weber et al. Science. 1991.

Abstract

Derivatives of erythromycin with modifications at their C-6 position are generally sought for their increased stability at acid pH, which in turn may confer improved pharmacological properties. A recombinant mutant of the erythromycin-producing bacterium, Saccharopolyspora erythraea, produced an erythromycin derivative, 6-deoxyerythromycin A, that could not be obtained readily by chemical synthesis. This product resulted from targeted disruption of the gene, designated eryF (systematic nomenclature, CYP107), that apparently codes for the cytochrome P450, 6-deoxyerythronolide B (DEB) hydroxylase, which converts DEB to erythronolide B (EB). Enzymes normally acting on EB can process the alternative substrate DEB to form the biologically active erythromycin derivative lacking the C-6 hydroxyl group.

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