%0 Journal Article %A Jin, Yujuan %A Ling, J. M. %T CTX-M-producing Salmonella spp. in Hong Kong: an emerging problem %D 2006 %J Journal of Medical Microbiology, %V 55 %N 9 %P 1245-1250 %@ 1473-5644 %R https://doi.org/10.1099/jmm.0.46637-0 %K ESBL, extended-spectrum β-lactamase %I Microbiology Society, %X Two Salmonella enterica serovar Typhimurium isolates and one S. enterica serovar Enteritidis isolate that were resistant to 4 μg cefotaxime ml−1 and produced CTX-M-type extended-spectrum β-lactamases (ESBLs) were characterized from patients in Hong Kong during 2003–2004. The S. Typhimurium strain isolated in 2003 produced a CTX-M-9 ESBL and harboured a bla CTX-M-9 gene that was associated with a class I integron-containing gene cassette and orf513 similar to those of In60. The second S. Typhimurium strain and the S. Enteritidis strain, both isolated in 2004, produced CTX-M-14; the former also produced TEM-1. The bla CTX-M-14 gene in these two isolates was associated with the insertion sequence ISEcp1. The CTX-M genes were present on a transferable plasmid of 62, 70 or 92 kb. PFGE of XbaI-restricted total DNA from the two S. Typhimurium isolates indicated that they were not clonally related. These three isolates were also resistant to one of the other non-β-lactam antimicrobial agents tested. This is the first report of a CTX-M-9 ESBL in Salmonella in Hong Kong and the presence of bla CTX-M-9 and bla CTX-M-14 in S. Typhimurium. %U https://www.microbiologyresearch.org/content/journal/jmm/10.1099/jmm.0.46637-0