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https://www.readbyqxmd.com/read/29757079/epidemiology-antimicrobial-resistance-and-extended-spectrum-beta-lactamase-producing-enterobacteriaceae-in-clinical-bovine-mastitis-in-tunisia
#1
Mariem Saidani, Lilia Messadi, Alya Soudani, Monia Daaloul-Jedidi, Pierre Châtre, Faten Ben Chehida, Aymen Mamlouk, Wassim Mahjoub, Jean-Yves Madec, Marisa Haenni
Bovine mastitis is a major disease in dairy cattle that causes high economic losses annually. Staphylococci, streptococci, and coliforms are among the major pathogens responsible for such infections. While data on bovine mastitis are numerous in Europe where the efficacy of farm management was monitored, those are scarce in African countries. In this study, we reported the occurrence of Escherichia coli (118/372, 31.7%) and Klebsiella pneumoniae (77/372, 20.7%), two environmental pathogens known to cause bovine mastitis...
May 14, 2018: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/29685218/antimicrobial-usage-and-presence-of-extended-spectrum-%C3%AE-lactamase-producing-enterobacteriaceae-in-animal-rearing-households-of-selected-rural-and-peri-urban-communities
#2
Evelyn O Okpara, Olufemi E Ojo, Olajoju J Awoyomi, Morenike A Dipeolu, Mufutau A Oyekunle, Stefan Schwarz
This study examined socioeconomic and cultural factors relating to animal husbandry, antimicrobial usage and household hygiene in 320 animal-keeping households of 16 rural and peri-urban communities of Ogun State, Nigeria. The occurrence of extended-spectrum β-lactamase-producing Enterobacteriaceae in 457 samples from animal and environmental sources within the households was investigated. Chickens (41.6%), goats (35.3%), dogs (33.8%) and sheep (14.4%) were the most common household animals. Animals were reared mainly for income generation (73...
May 2018: Veterinary Microbiology
https://www.readbyqxmd.com/read/29665885/prevalence-of-extended-spectrum-%C3%AE-lactamase-producing-escherichia-coli-and-residual-antimicrobials-in-the-environment-in-vietnam
#3
Shinji Yamasaki, Tuyen Danh Le, Mai Quang Vien, Chinh Van Dang, Yoshimasa Yamamoto
Emergence and spread of antimicrobial-resistant bacteria, including extended-spectrum β-lactamase (ESBL)-producing Escherichia coli, have become serious problems worldwide. Recent studies conducted in Vietnam revealed that ESBL-producing E. coli are widely distributed in food animals and people. CTX-M-9 and CTX-M-1 are the most prevalent β-lactamases among the identified ESBLs. Furthermore, most of the ESBL-producing E. coli isolates were multi-drug resistant. Residual antimicrobials such as sulfamethoxazole, trimethoprim, sulfadimidine, cephalexin, and sulfadiazine were also detected at a high level in both animal meats and environmental water collected from several cities, including Ho Chi Minh city and Can Tho city...
December 2017: Animal Health Research Reviews
https://www.readbyqxmd.com/read/29662886/high-prevalence-of-extended-spectrum-%C3%AE-lactamase-producing-enterobacteriaceae-among-clinical-isolates-from-cats-and-dogs-admitted-to-a-veterinary-hospital-in-switzerland
#4
Anna Lena Zogg, Sabrina Simmen, Katrin Zurfluh, Roger Stephan, Sarah N Schmitt, Magdalena Nüesch-Inderbinen
Objectives: This study aimed to identify and characterize extended-spectrum β-lactamase (ESBL) producing Enterobacteriaceae among clinical samples of companion animals. Methods: A total of 346 non-duplicate Enterobacteriaceae isolates were collected between 2012 and 2016 from diseased cats ( n  = 115) and dogs ( n  = 231). The presence of bla ESBL , PMQR genes, and the azithromycin resistance gene mph(A) was confirmed by PCR and sequencing of bla genes...
2018: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/29628921/prevalence-and-characterization-of-multi-drug-resistant-gram-negative-bacilli-isolated-from-lebanese-poultry-a-nationwide-study
#5
Iman Dandachi, Elie S Sokhn, Elias A Dahdouh, Eid Azar, Bassel El-Bazzal, Jean-Marc Rolain, Ziad Daoud
Currently, antimicrobial resistance is one of the most prominent public health issues. In fact, there is increasing evidence that animals constitute a reservoir of antimicrobial resistance. In collaboration with the Lebanese Ministry of Agriculture, the aim of this study was to determine the prevalence of intestinal carriage of multi-drug-resistant Gram-negative Bacilli in poultry farms at the national level. Between August and December 2015, 981 fecal swabs were obtained from 49 poultry farms distributed across Lebanon...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29626676/current-epidemiology-genetic-evolution-and-clinical-impact-of-extended-spectrum-%C3%AE-lactamase-producing-escherichia-coli-and-klebsiella-pneumoniae
#6
REVIEW
Yong Chong, Shinji Shimoda, Nobuyuki Shimono
The worldwide spread of extended-spectrum β-lactamase (ESBL)-producing bacteria, particularly Escherichia coli and Klebsiella pneumoniae, is a critical concern for the development of therapies against multidrug-resistant bacteria. Since the 2000s, detection rates of CTX-M types ESBL-producing E. coli in the community have been high, possibly contributing to their nosocomial detection. Various factors, such as environmental sources, food animals, and international travel, accelerate the global ESBL spread in the community...
April 4, 2018: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29619015/colonization-dynamics-of-cefotaxime-resistant-bacteria-in-beef-cattle-raised-without-cephalosporin-antibiotics
#7
Raies A Mir, Thomas A Weppelmann, Lin Teng, Alexander Kirpich, Mauricio A Elzo, Joseph D Driver, Kwangcheol C Jeong
The emergence of infections caused by antimicrobial resistant microorganisms (ARMs) is currently one of the most important challenges to public health and medicine. Though speculated to originate at least partially from the overuse of antibiotics during food animal production, we hypothesized that cattle are exposed to ARMs in the environment. In this cohort study, a herd of beef calves with no previous exposure to antibiotics was followed during the first year of life in order to investigate the rate of colonization by bacteria resistant to the third-generation cephalosporin cefotaxime...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29618453/report-susceptibility-of-avian-pathogenic-escherichia-coli-from-zoo-birds-in-indonesia-to-antibiotics-and-disinfectants
#8
Sajid Umar, Ana Triana Maiyah, Mehwish Shareef, Hajra Qadir, Qamarun Nisa, Seema Abbas
Antibiotic resistance in avian pathogenic Escherichia coli (APEC) is a common problem in the Indonesian poultry industry. Zoo birds have been postulated as sentinels, reservoirs, and potential spreaders of antibiotic resistance, although much is still unknown about the strains of zoo birds. Disinfection can reduce the infection burden. However, little is known about the presence of resistance against these products. Sixty one APEC strains were isolated from Indonesian zoo birds. The resistance to different classes of antibiotics as well as the minimum inhibitory concentrations (MIC) and minimum bactericidal concentrations (MBC) of five disinfectants most often used in the poultry industry was determined...
March 2018: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29615264/extended-spectrum-beta-lactamase-esbl-and-carbapenemase-producing-enterobacteriaceae-in-water-sources-in-lebanon
#9
Mohamad Diab, Monzer Hamze, Richard Bonnet, Estelle Saras, Jean-Yves Madec, Marisa Haenni
Extended-spectrum beta-lactamases (ESBLs) have been recurrently reported in both human and veterinary medicine, and carbapenemases have also emerged in these two sectors. Such resistance phenotypes were increasingly reported in the environment, which both receives and further disseminates multidrug-resistant (MDR) bacteria. Here, we report the high contamination of water samples (68.2%; 15/22) collected in estuaries in Lebanon. From these 15 contaminated sites, a total of 21 ESBL-producing (mostly harbouring the blaCTX-M-15 gene) and four carbapenemase-producing (two blaOXA-48 and two blaOXA-244 ) Enterobacteriaceae were recovered...
April 2018: Veterinary Microbiology
https://www.readbyqxmd.com/read/29615260/extended-spectrum-beta-lactamase-producing-escherichia-coli-and-klebsiella-pneumoniae-in-local-and-imported-poultry-meat-in-ghana
#10
Daniel Eibach, Denise Dekker, Kennedy Gyau Boahen, Charity Wiafe Akenten, Nimako Sarpong, Cristina Belmar Campos, Laura Berneking, Martin Aepfelbacher, Ralf Krumkamp, Ellis Owusu-Dabo, Jürgen May
Antibiotic use in animal husbandry has raised concerns on the spread of resistant bacteria. Currently animal products are traded globally with unprecedented ease, which has been challenging the control of antimicrobial resistance. This study aims to detect and characterize extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli and Klebsiella pneumoniae from imported and locally produced poultry products sold in Ghana. Local and imported chicken meat was collected from 94 stores and markets throughout Kumasi (Ghana) and cultured on selective ESBL screening agar...
April 2018: Veterinary Microbiology
https://www.readbyqxmd.com/read/29609544/detection-of-ctx-m-15-harboring-escherichia-coli-isolated-from-wild-birds-in-tunisia
#11
Houssem Ben Yahia, Rym Ben Sallem, Ghassan Tayh, Naouel Klibi, Insaf Ben Amor, Haythem Gharsa, Abdellatif Boudabbous, Karim Ben Slama
BACKGROUND: The spreading of antibiotic resistant bacteria is becoming nowadays an alarming threat to human and animal health. There is increasing evidence showing that wild birds could significantly contribute to the transmission and spreading of drug-resistant bacteria. However, data for antimicrobial resistance in wild birds remain scarce, especially throughout Africa. The aims of this investigation were to analyze the prevalence of ESBL-producing E. coli in faecal samples of wild birds in Tunisia and to characterize the recovered isolates...
April 2, 2018: BMC Microbiology
https://www.readbyqxmd.com/read/29575785/extended-spectrum-beta-lactamase-producing-escherichia-coli-in-common-vampire-bats-desmodus-rotundus-and-livestock-in-peru
#12
J A Benavides, C Shiva, M Virhuez, C Tello, A Appelgren, J Vendrell, J Solassol, S Godreuil, D G Streicker
Antibiotic resistance mediated by bacterial production of extended-spectrum beta-lactamase (ESBL) is a global threat to public health. ESBL resistance is most commonly hospital-acquired; however, infections acquired outside of hospital settings have raised concerns over the role of livestock and wildlife in the zoonotic spread of ESBL-producing bacteria. Only limited data are available on the circulation of ESBL-producing bacteria in animals. Here, we report ESBL-producing Escherichia coli in wild common vampire bats Desmodus rotundus and livestock near Lima, Peru...
March 25, 2018: Zoonoses and Public Health
https://www.readbyqxmd.com/read/29575700/antimicrobial-resistant-enterobacteriaceae-recovered-from-companion-animal-and-livestock-environments
#13
R J Adams, S S Kim, D F Mollenkopf, D A Mathys, G M Schuenemann, J B Daniels, T E Wittum
Antimicrobial-resistant bacteria represent an important concern impacting both veterinary medicine and public health. The rising prevalence of extended-spectrum beta-lactamase (ESBL), AmpC beta-lactamase, carbapenemase (CRE) and fluoroquinolone-resistant Enterobacteriaceae continually decreases the efficiency of clinically important antibiotics. Moreover, the potential for zoonotic transmission of antibiotic-resistant enteric bacteria increases the risk to public health. Our objective was to estimate the prevalence of specific antibiotic-resistant bacteria on human contact surfaces in various animal environments...
March 25, 2018: Zoonoses and Public Health
https://www.readbyqxmd.com/read/29565231/genomic-identity-of-fluoroquinolone-resistant-blactx-m-15-type-esbl-and-pmampc-%C3%AE-lactamase-producing-klebsiella-pneumoniae-from-buffalo-milk-india
#14
Samiran Bandyopadhyay, Jaydeep Banerjee, Debaraj Bhattacharyya, Indranil Samanta, Achintya Mahanti, Tapan K Dutta, Sarbaswarup Ghosh, Pramod K Nanda, Premanshu Dandapat, Subhasish Bandyopadhyay
We investigated the occurrence of extended-spectrum β-lactamase (ESBL) and AmpC-type β-lactamase (ACBL) producing quinolone-resistant Klebsiella pneumoniae (KP) in milk samples of apparently healthy buffaloes (n = 348) and buffaloes (n = 19) with evidence of subclinical mastitis from seven districts of West Bengal, India. In total, 12 ESBL producing KP were isolated with blaCTX-M-15 gene and 7 of them were ACBL producers, as well. The blaCTX-M-15 genes were carried by transposable element ISEcp1. The plasmid-mediated quinolone resistance genes-qnrS, qnrA, qnrB, qepA, and aac(6')-Ib-cr were detected in five, one, three, four, and one isolate (s), respectively...
March 22, 2018: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/29535301/rapid-rise-of-the-esbl-and-mcr-1-genes-in-escherichia-coli-of-chicken-origin-in-china-2008-2014
#15
Congming Wu, Yingchao Wang, Xiaomin Shi, Shuang Wang, Hongwei Ren, Zhangqi Shen, Yang Wang, Juchun Lin, Shaolin Wang
Extended-spectrum beta-lactamase-producing Escherichia coli (ESBL-EC) strains are emerging around the world as a source of resistance to β-lactam antibiotics such as ampicillin, cefotaxime, and ceftazidime. mcr-1 is a novel plasmid-mediated gene conferring resistance to colistin. The aim of this study was to investigate the prevalence of ESBL-EC mcr-1 of chicken origin in the different provinces of China during 2008-2014. Overall, 341 of 821 isolates were determined to be ESBL-EC strains, and the proportion of ESBL-positive strains almost doubled from 2008 to 2014...
March 14, 2018: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/29520157/overview-of-the-development-of-quinolone-resistance-in-salmonella-species-in-china-2005-2016
#16
Qifa Song, Zhaojun Xu, Hong Gao, Danyang Zhang
Purpose: Several factors contribute to the complexity of quinolone resistance in Salmonella , including >2000 different Salmonella serotypes, a variety of hosts for Salmonella , and wide use of quinolones in human beings and animals. We thus aimed to obtain an overview of the development of quinolone resistance and relevant molecular mechanisms of such a resistance in Salmonella species. Materials and methods: A total of 1,776 Salmonella isolates were collected in Ningbo, China, between 2005 and 2016...
2018: Infection and Drug Resistance
https://www.readbyqxmd.com/read/29519530/antimicrobial-resistance-multilocus-sequence-types-and-virulence-profiles-of-esbl-producing-and-non-esbl-producing-uropathogenic-escherichia-coli-isolated-from-cats-and-dogs-in-switzerland
#17
Anna Lena Zogg, Katrin Zurfluh, Sarah Schmitt, Magdalena Nüesch-Inderbinen, Roger Stephan
Among 64 uropathogenic Escherichia coli (UPEC) isolated from 13 cats and 51 dogs, 35 were extended-spectrum beta-lactamase (ESBL) producers, and 29 were non-ESBL producers. Forty-six (71.9%) of the isolates were multidrug resistant (MDR). Among the ESBL producers, blaCTX-M-15 (n = 17/48.6% of the blaESBLs ), blaCTX-M-1 (n = 10/28.6%), blaCTX-M-55 (n = 4/11.4%), blaCTX-M-14 (n = 3/8.6%), and blaCTX-M-27 (n = 1/2.9%) were identified. The plasmid-mediated fluoroquinolone resistance genes aac(6')-Ib-cr, qnrB and the azithromycin resistance gene mph(A) were detected in 17 (26...
March 2018: Veterinary Microbiology
https://www.readbyqxmd.com/read/29519514/prevalence-of-esbl-ampc-genes-and-specific-clones-among-the-third-generation-cephalosporin-resistant-enterobacteriaceae-from-canine-and-feline-clinical-specimens-in-japan
#18
Yoshihiko Maeyama, Yui Taniguchi, Wataru Hayashi, Yusuke Ohsaki, Shunsuke Osaka, Shota Koide, Kiyoko Tamai, Yukiko Nagano, Yoshichika Arakawa, Noriyuki Nagano
In recent years, besides the widespread occurrence of extended-spectrum β-lactamase (ESBL)- and/or plasmid-mediated AmpC (pAmpC)-producing Enterobacteriaceae in both healthcare and community settings of humans, the third-generation cephalosporin (3GC)-resistant microbes have also been reported from companion animals worldwide. Here, we characterized ESBL- and/or pAmpC-producing Enterobacteriaceae clinical isolates from companion animals. Among the 487 clinical isolates mainly from urine of dogs and cats between May and September 2016, 104 non-repetitive isolates were resistant to the 3GC, and they consisted of 81 of 381 (21...
March 2018: Veterinary Microbiology
https://www.readbyqxmd.com/read/29506073/host-specific-differences-in-the-contribution-of-an-esbl-inci1-plasmid-to-intestinal-colonization-by-escherichia-coli-o104-h4
#19
M Giles, S A Cawthraw, M AbuOun, C M Thomas, D Munera, M K Waldor, R M La Ragione, J M Ritchie
Objectives: To assess stability and contribution of a large ESBL-encoding IncI1 plasmid to intestinal colonization by Escherichia coli O104:H4 in two different mammalian hosts. Methods: Specific-pathogen-free 3-4-day-old New Zealand White rabbits and conventionally reared 6-week-old weaned lambs were orally infected with WT E. coli O104:H4 or the ESBL-plasmid-cured derivative, and the recovery of bacteria in intestinal homogenates and faeces monitored over time...
February 28, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29487032/bacteria-isolated-from-companion-animals-in-japan-2014-2016-by-blood-culture
#20
Yuzo Tsuyuki, Goro Kurita, Yoshiteru Murata, Takashi Takahashi
We aimed to identify microorganisms isolated by blood culture (BC) from companion animals and to determine antimicrobial resistance of these isolates during 2014-2016 at veterinary laboratory, in comparison with those during 2010-2013, in Japan. Clinical data (animal species, visiting animals/hospitalized animals, and others except for disease type and clinical course including history of antimicrobial agent use) on ill animals at veterinary clinics or hospitals were obtained. We retrospectively analyzed animal-origin BC results extracted from the database in 2014-2016 and those obtained in 2010-2013...
February 24, 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
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