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Occurrence and Antimicrobial Resistance Traits of Escherichia coli from Wild Birds and Rodents in Singapore

Author

Listed:
  • Kar Hui Ong

    (Environmental Health Institute, National Environment Agency, Singapore 138667, Singapore
    National Centre for Food Science, Singapore Food Agency, Singapore 608550, Singapore)

  • Wei Ching Khor

    (National Centre for Food Science, Singapore Food Agency, Singapore 608550, Singapore)

  • Jing Yi Quek

    (Environmental Health Institute, National Environment Agency, Singapore 138667, Singapore)

  • Zi Xi Low

    (Environmental Health Institute, National Environment Agency, Singapore 138667, Singapore)

  • Sathish Arivalan

    (Environmental Health Institute, National Environment Agency, Singapore 138667, Singapore)

  • Mahathir Humaidi

    (Environmental Health Institute, National Environment Agency, Singapore 138667, Singapore)

  • Cliff Chua

    (Environmental Health Institute, National Environment Agency, Singapore 138667, Singapore)

  • Kelyn L. G. Seow

    (School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637459, Singapore
    Nanyang Technological University Food Technology Centre (NAFTEC), Singapore 637459, Singapore)

  • Siyao Guo

    (School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637459, Singapore
    Nanyang Technological University Food Technology Centre (NAFTEC), Singapore 637459, Singapore)

  • Moon Y. F. Tay

    (School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637459, Singapore
    Nanyang Technological University Food Technology Centre (NAFTEC), Singapore 637459, Singapore)

  • Joergen Schlundt

    (School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637459, Singapore
    Nanyang Technological University Food Technology Centre (NAFTEC), Singapore 637459, Singapore)

  • Lee Ching Ng

    (Environmental Health Institute, National Environment Agency, Singapore 138667, Singapore
    School of Biological Sciences, Nanyang Technological University, Singapore 637551, Singapore)

  • Kyaw Thu Aung

    (Environmental Health Institute, National Environment Agency, Singapore 138667, Singapore
    National Centre for Food Science, Singapore Food Agency, Singapore 608550, Singapore
    School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637459, Singapore
    Nanyang Technological University Food Technology Centre (NAFTEC), Singapore 637459, Singapore)

Abstract

Antimicrobial resistance (AMR) in Escherichia coli ( E. coli ) poses a public health concern worldwide. Wild birds and rodents, due to their mobility, are potential vehicles for transmission of AMR bacteria to humans. Ninety-six wild birds’ faecal samples and 135 rodents’ droppings samples were collected and analysed in 2017. Forty-six E. coli isolates from wild birds and rodents were subjected to AMR phenotypic and genotypic characterisation. The proportion of E. coli isolates resistant to at least one of the antimicrobials tested from wild birds (80.8%) was significantly higher than that of isolates from rodents (40.0%). The proportion of E. coli isolates resistant to each antimicrobial class for wild birds was 3.8% to 73.1% and that for rodents was 5.0% to 35.0%. Six out of 26 E. coli isolates from wild birds (23.1%) and two out of 20 (10.0%) isolates from rodents were multi-drug resistant (MDR) strains. These MDR E. coli isolates were detected with various antimicrobial resistance genes such as bla TEM-1B and qnrS1 and could be considered as part of the environmental resistome. Findings in this study suggested that wild birds and rodents could play a role in disseminating antimicrobial resistant E. coli , and this underscores the necessity of environment management and close monitoring on AMR bacteria in wild birds and rodents to prevent spreading of resistant organisms to other wildlife animals and humans.

Suggested Citation

  • Kar Hui Ong & Wei Ching Khor & Jing Yi Quek & Zi Xi Low & Sathish Arivalan & Mahathir Humaidi & Cliff Chua & Kelyn L. G. Seow & Siyao Guo & Moon Y. F. Tay & Joergen Schlundt & Lee Ching Ng & Kyaw Thu , 2020. "Occurrence and Antimicrobial Resistance Traits of Escherichia coli from Wild Birds and Rodents in Singapore," IJERPH, MDPI, vol. 17(15), pages 1-17, August.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:15:p:5606-:d:394041
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    References listed on IDEAS

    as
    1. Kyaw Thu Aung & Hong Jun Chen & Man Ling Chau & Grace Yap & Xiao Fang Lim & Mahathir Humaidi & Cliff Chua & Gladys Yeo & Hooi Ming Yap & Jia Quan Oh & Vijitha Manogaran & Hapuarachchige Chanditha Hapu, 2019. "Salmonella in Retail Food and Wild Birds in Singapore—Prevalence, Antimicrobial Resistance, and Sequence Types," IJERPH, MDPI, vol. 16(21), pages 1-12, October.
    Full references (including those not matched with items on IDEAS)

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    Cited by:

    1. Popy Devnath & Nabil Karah & Jay P. Graham & Elizabeth S. Rose & Muhammad Asaduzzaman, 2022. "Evidence of Antimicrobial Resistance in Bats and Its Planetary Health Impact for Surveillance of Zoonotic Spillover Events: A Scoping Review," IJERPH, MDPI, vol. 20(1), pages 1-17, December.

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