Role of multidrug resistance and co-resistance on a high percentage of          streptomycin resistance in Escherichia coli isolated from chicken meats          in Japan

Thein LIN; Shizuka NOMURA; Suzuka SOMENO; Takahiro ABE; Miyuki NISHIYAMA; Shunya SHIKI; Hayato HARIMA; Kanako ISHIHARA

doi:10.1292/jvms.23-0135

Public Health

Role of multidrug resistance and co-resistance on a high percentage of streptomycin resistance in Escherichia coli isolated from chicken meats in Japan

Thein LIN, Shizuka NOMURA, Suzuka SOMENO, Takahiro ABE, Miyuki NISHIYAMA, Shunya SHIKI, Hayato HARIMA, Kanako ISHIHARA

Author information

Thein LIN
Laboratory of Veterinary Public Health, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, Japan
International Innovative Agricultural Science Course, Department of Agriculture, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, Japan
Shizuka NOMURA
Laboratory of Veterinary Public Health, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, Japan
Suzuka SOMENO
Laboratory of Veterinary Public Health, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, Japan
Takahiro ABE
Laboratory of Veterinary Public Health, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, Japan
Miyuki NISHIYAMA
Laboratory of Veterinary Public Health, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, Japan
Shunya SHIKI
Laboratory of Veterinary Public Health, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, Japan
Hayato HARIMA
Laboratory of Veterinary Public Health, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, Japan
Kanako ISHIHARA
Laboratory of Veterinary Public Health, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, Japan

Keywords: co-resistance, Escherichia, multidrug resistance, streptomycin

JOURNAL OPEN ACCESS

2023 Volume 85 Issue 8 Pages 832-836

DOI https://doi.org/10.1292/jvms.23-0135

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Abstract

We focused on streptomycin resistance because of the high percentage of streptomycin-resistant Escherichia coli concerning the amount used of streptomycin. Antimicrobial resistance and horizontal transfer were identified in 117 isolates of coliform bacteria from chicken meat to identify the factors that increase streptomycin resistance. Escherichia (45 isolates) was the predominant genus. Most streptomycin-resistant Escherichia isolates were resistant to other antimicrobials (17/18), suggesting that using various antimicrobials could select streptomycin-resistant Escherichia isolates. Resistance was transferred from 7 out of the 18 streptomycin-resistant isolates. The transconjugants acquired strA/strB (7/7), bla_TEM (5/7), aphA1 (5/7), tetB (3/7), dfrA14 (1/7) and/or dfrA17 (1/7). The co-resistance of streptomycin resistance with other resistances would also increase streptomycin resistance.

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