Dissemination of carbapenemase-producing Enterobacteriaceae harbouring bla NDM or bla IMI in local market foods of Yangon, Myanmar

Yo Sugawara, Hideharu Hagiya, Yukihiro Akeda, Mya Mya Aye, Hpoo Pwint Myo Win, Noriko Sakamoto, Rathina Kumar Shanmugakani, Dan Takeuchi, Isao Nishi, Akiko Ueda, Moh Moh Htun, Kazunori Tomono, Shigeyuki Hamada

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15 Citations (Scopus)


The spread of carbapenemase-producing Enterobacteriaceae (CPE) poses a serious threat to clinical practice and public health. These bacteria are present both in clinical settings and non-clinical environments. The presence of CPE in food stuffs has been reported, but sporadically so. Here, we screened for CPE in meat, seafood, and vegetable samples from local markets of Yangon, Myanmar. We obtained 27 CPE isolates from 93 food samples and identified 13 as Escherichia coli, six as Klebsiella pneumoniae, seven as Enterobacter cloacae complex, and one as Serratia marcescens. All except the E. cloacae complex harboured the carbapenemase genes blaNDM-1 or blaNDM-5, while all Enterobacter isolates carried the carbapenemase gene blaIMI-1. The blaIMI-1 gene was located in putative mobile elements EcloIMEX-2, -3, or -8. Using multi-locus sequence typing, E. coli, K. pneumoniae, and E. cloacae complex isolates were classified into 10, six, and five different sequence types, respectively. Our results demonstrate that diverse organisms with various carbapenemase genes are widespread in the market foods in Yangon, highlighting the need for promoting proper food hygiene and effective measures to prevent further dissemination.

Original languageEnglish
Article number14455
JournalScientific reports
Issue number1
Publication statusPublished - Dec 1 2019
Externally publishedYes

ASJC Scopus subject areas

  • General


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