Journal of Antimicrobial Chemotherapy (1988) 22, 587-596
© 1988 The British Society for Antimicrobial Chemotherapy
research-article |
Cloning and characterization of an AAC(6') gene from Serratia marcescens
Department of Medical Microbiology, Southmead Hospital Westbury-on-Trym, Bristol, UK aDepartment of Microbiology, University of Bristol Bristol, UK bDepartment of Medical Microbiology, Royal United Hospital Combe Park, Bath, UK
Received 23 December 1987; returned 10 June 1988; accepted 10 June 1988
A gene encoding AAC(6') mediated resistance to netilmicin and amikacin was cloned from the chromosome of a nosocomial strain of Serratia marcescens into the BamHI site of pACYC 184. The resistance determinant was localized to a sequence of approximately 1 kb. A 490 base pair BamHI-PvuII restriction fragment from the cloned DNA was used as a probe in Southern hybridization studies. Homology with a 920 base pair fragment of PvuII digested S. marcescens DNA from AAC(6')-producing strains was observed. No homology was detected with aminoglycoside sensitive S. marcescens or Escherichia coli.
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