Prevalence and characterisation of CTX-M β-lactamases amongst Escherichia coli isolates from healthy food animals in China

Zheng, Hongqing; Zeng, Zhenling; Chen, Sheng; Liu, Yahong; Yao, Qiongfen; Deng, Yuting; Chen, Xiaojie; Lv, Luchao; Zhuo, Chao; Zhang-liu, Chen; Liu, Jianhua

doi:10.1016/j.ijantimicag.2011.12.001

Cited by 154 publications

(136 citation statements)

References 30 publications

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“…Our results differ from the results of previous studies in which CTX-M-1 was predominant among livestock in Switzerland and Denmark (4,28) but are similar to the results from China (24). Zheng et al has reported that the spread of E. coli isolates producing the CTX-M-55-type ESBL, which can hydrolyze CAZ, may be influenced by antimicrobial usage in livestock (24). In addition, Lv et al (2013) noted that the predominant plasmid replicon types among E. coli isolates harboring blaCTX-M-55 isolated from pigs were IncFII and IncI1, suggesting that these plasmids play an important role in the spread of blaCTX-M-55 (29).…”

Section: Discussionmentioning

confidence: 99%

Detection of <i>Escherichia coli</i> Producing CTX-M-1-Group Extended-Spectrum β-Lactamases from Pigs in Aichi Prefecture, Japan, between 2015 and 2016

et al. 2018

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Section: Discussionmentioning

confidence: 99%

Detection of <i>Escherichia coli</i> Producing CTX-M-1-Group Extended-Spectrum β-Lactamases from Pigs in Aichi Prefecture, Japan, between 2015 and 2016

et al. 2018

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“…Similarly, in Asia and Europe, ESC resistance in E. coli isolated from livestock has been attributed to the emergence and spread of plasmidmediated bla CTX-M genes and bla CMY-2 [6][7][8]. In several countries in these regions, extensive use of FQs in some food-animal species has been linked to the emergence of FQ-resistant E. coli and Salmonella [9,10].…”

Section: Plasmid-mediated Esc Resistance (Mediated By Bla Cmy-2 ) Wasmentioning

confidence: 99%

First detection of extended-spectrum cephalosporin- and fluoroquinolone-resistant Escherichia coli in Australian food-producing animals

Abraham

Jordan

Wong

et al. 2015

Journal of Global Antimicrobial Resistance

100

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ampicillin (9.4-71.1%), trimethoprim/sulfamethoxazole (11.1-67.5%) and streptomycin (21.9-69.3%), whereas none were resistant to imipenem or amikacin.Resistance was detected, albeit at low frequency, to ESCs (bovine isolates, 1%; porcine isolates, 3%) and FQs (porcine isolates, 1%). Most ESC-and FQ-resistant isolates represented globally disseminated E. coli lineages (ST117, ST744, ST10 and ST1). Only a single porcine E. coli isolate (ST100) was identified as a classic porcine enterotoxigenic E. coli strain (non-zoonotic animal pathogen) that exhibited ESC resistance via acquisition of bla CMY-2 . This study uniquely establishes the presence of resistance to CIAs among clinical E. coli isolates from Australian foodproducing animals, largely attributed to globally disseminated FQ-and ESC-resistant E. coli lineages.

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“…Antibiotic-resistant bacteria, including ESBL-producing Enterobacteriaceae, have been detected in food animals, meats, water, and the environment in many Asian countries, including China, Hong Kong, India, Bangladesh, and Malaysia, and could be reservoirs for colonization and infection of human beings. [18][19][20][21][22][23][24][25][26][27][28] There are several previous microbiological surveys of food animals on farms, fresh meat samples from slaughterhouses and retail stores, exported fresh meat samples and vegetables, and stool samples from both healthy individuals and hospital patients from Thailand and several other countries. [29][30][31][32][33][34][35][36][37][38][39][40][41] Almost all of these reports emphasized the ability of foodborne bacteria in causing gastrointestinal infections, especially Salmonella, Campylobacter, and Arcobacter species, though only a few studies described antibiotic-resistant E. coli.…”

Section: Introductionmentioning

confidence: 99%

Prevalence of antibiotic resistant bacteria in healthy adults, foods, food animals, and the environment in selected areas in Thailand

Boonyasiri

Tangkoskul

Seenama

et al. 2014

Pathogens and Global Health

128

110

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Objectives: The aim of this study was to determine the prevalence of antibiotic-resistant bacteria, especially extended-spectrum beta-lactamase (ESBL) producing Escherichia coli, in samples from healthy adults, foods, food animals, and the environment in selected areas of Thailand. Methods: Samples were collected from stool specimens from adult food factory and food animal farm workers, fresh and cooked foods sold at markets, rectal swabs of healthy pigs and chickens, fresh pork meat from slaughterhouses, water samples from canals as well as fish and shrimp farm ponds, and stagnant water sources on pig farms. Antibiotic susceptibility was determined using the disk diffusion or agar dilution methods. Extended-spectrum beta-lactamase production was assayed using a double disk diffusion method. Results: Among 544 healthy adult food factory workers, 75.5% were positive for ESBL producing E. coli, while 77.3% of E. coli isolated from 30 healthy animal farm workers were positive. Amongst healthy food animals, ESBL producing status among E. coli isolates were more commonly detected in pigs (76.7%) than broilers (40%). Extended-spectrum beta-lactamase producing E. coli seemed to be more prevalent in fresh meat samples than in fresh vegetables, in fresh foods than in cooked foods, and in water samples collected from the animal farms than those from canals and fish and shrimp ponds. Conclusions: Extended-spectrum beta-lactamase producing E. coli isolates are prevalent amongst healthy individuals, foods along the food production chain from farms to consumers, and in the environment in selected areas in Thailand.

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Prevalence and characterisation of CTX-M β-lactamases amongst Escherichia coli isolates from healthy food animals in China

Cited by 154 publications

References 30 publications

Detection of <i>Escherichia coli</i> Producing CTX-M-1-Group Extended-Spectrum β-Lactamases from Pigs in Aichi Prefecture, Japan, between 2015 and 2016

Detection of <i>Escherichia coli</i> Producing CTX-M-1-Group Extended-Spectrum β-Lactamases from Pigs in Aichi Prefecture, Japan, between 2015 and 2016

First detection of extended-spectrum cephalosporin- and fluoroquinolone-resistant Escherichia coli in Australian food-producing animals

Prevalence of antibiotic resistant bacteria in healthy adults, foods, food animals, and the environment in selected areas in Thailand

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