Cloning of a lincosamide resistance determinant from Streptomyces caelestis, the producer of celesticetin, and characterization of the resistance mechanism

Author:

Calcutt M J1,Cundliffe E1

Affiliation:

1. Department of Biochemistry, University of Leicester, England.

Abstract

Self-resistance has been investigated in Streptomyces caelestis (producer of the lincosamide antibiotic celesticetin), from which a lincosamide resistance determinant (clr) has been isolated on a 1-kilobase DNA fragment and cloned in Streptomyces lividans. The clr product is a specific methylase which produces a single residue of N6-monomethyladenine in 23S rRNA at position 2058, thereby rendering the 50S ribosmal subunit resistant to the action of lincosamides.

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

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4. A family of r-determinants in Streptomyces spp. that specifies inducible resistance to macrolide, lincosamide, and streptogramin type B antibiotics;Fujisawa Y.;J. Bacteriol.,1981

5. Gale E. F. E. Cundliffe P. E. Reynolds M. H. Richmond and M. J. Waring. 1981. The molecular basis of antibiotic action 2nd ed. John Wiley & Sons Ltd. London.

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