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https://www.readbyqxmd.com/read/29042339/clonal-dissemination-of-oxa-48-producing-enterobacter-cloacae-isolated-from-companion-animals-in-algeria
#1
Massilia Yousfi, Abdelaziz Touati, Anaelle Muggeo, Brazane Mira, Asma Bourouis, Lucien Brasme, Thomas Guillard, Christophe de Champs
OBJECTIVES: The aim of this study was to investigate carbapenemase-producing Enterobacteriaceae (CPE) in companion animals. METHODS: Between October 2015 and April 2016, 533 rectal swabs were obtained from healthy and diseased pets in different cities in Algeria. Samples collected were plated on MacConkey agar supplemented with ertapenem (0.5mg/L). The isolates were identified by MALDI-TOF mass spectroscopy. Antimicrobial susceptibility testing was performed using disk diffusion method...
October 14, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28990132/oxa-48-like-carbapenemases-producing-enterobacteriaceae-in-different-niches
#2
REVIEW
Assia Mairi, Alix Pantel, Albert Sotto, Jean-Philippe Lavigne, Aziz Touati
The emergence of carbapenem-resistant enterobacterial species poses a serious threat to public health worldwide. OXA-48-type carbapenem-hydrolyzing class D β-lactamases are widely distributed among Enterobacteriaceae, with significant geographical differences. To date, 11 OXA-48-like variants have been identified, with classical OXA-48 being the most widespread. These enzymes show high-level hydrolytic activity against penicillins and low-level hydrolysis towards carbapenems. Since the first description of the OXA-48 carbapenemase in Turkey, bacterial strains producing the enzyme have been extensively reported in nosocomial and community outbreaks in many parts of the word, particularly in the Mediterranean area and European countries...
October 8, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28749329/in-vitro-efficacy-of-16-antimicrobial-drugs-against-a-large-collection-of-%C3%AE-lactamase-producing-isolates-of-extraintestinal-pathogenic-escherichia-coli-from-dogs-and-cats
#3
Takae Shimizu, Kazuki Harada, Yuzo Tsuyuki, Yui Kimura, Tadashi Miyamoto, Shingo Hatoya, Yoshiaki Hikasa
PURPOSE: The aim of this study was to assess the in vitro efficacy of candidate antimicrobials against extended-spectrum β-lactamase (ESBL)-producing isolates of extraintestinal pathogenic Escherichia coli (ExPEC) from companion animals. METHODOLOGY: A total of 90 ESBL-producing ExPEC isolates from dogs and cats were tested for susceptibility to 16 antimicrobials with the agar dilution method. We also identified the ESBLs and AmpC β-lactamases of these isolates with PCR and DNA sequencing...
August 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28521000/the-ecology-of-extended-spectrum-%C3%AE-lactamases-esbls-in-the-developed-world
#4
Yohei Doi, Alina Iovleva, Robert A Bonomo
Background: Since the initial appearance in the 1980s, Enterobacteriaceae producing extended-spectrum β-lactamase (ESBL) have increased in prevalence and emerged as a major antimicrobial-resistant pathogen. The source of these antimicrobial-resistant bacteria in the developed world is an area of active investigation. Methods: A standard internet search was conducted with a focus on the epidemiology and potential sources of ESBL-producing Enterobacteriaceae in the developed world...
April 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28446899/clonal-spread-of-16s-rrna-methyltransferase-producing-klebsiella-pneumoniae-st37-with-high-prevalence-of-esbls-from-companion-animals-in-china
#5
Jing Xia, Liang-Xing Fang, Ke Cheng, Guo-Hao Xu, Xi-Ran Wang, Xiao-Ping Liao, Ya-Hong Liu, Jian Sun
We screened 30 Klebsiella pneumoniae isolates from dogs and cats at a single animal hospital in Guangdong Province, China. Among them, 12 K. pneumoniae strains possessed high-level resistance to amikacin and gentamicin and these were screened for 16S rRNA methyltransferase (16S-RMTase) genes. And then the genes positive isolates were detected for ESBLs (extended spectrum β-lactamases) and analyzed by pulsed-field gel electrophoresis, multilocus sequence typing, PCR-based replicon typing and plasmid analysis...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28380311/spread-of-ctx-type-extended-spectrum-%C3%AE-lactamase-producing-escherichia-coli-isolates-of-epidemic-clone-b2-o25-st131-among-dogs-and-cats-in-japan
#6
Kumiko Kawamura, Tae Sugawara, Nao Matsuo, Kengo Hayashi, Chihiro Norizuki, Kiyoko Tamai, Takaaki Kondo, Yoshichika Arakawa
This study was performed to investigate the carriage rates of CTX-M-type extended-spectrum β-lactamase (ESBL)-producing Escherichia coli among ill companion animals in Japan. Among the 178 nonrepetitive E. coli isolates, including 131 from dogs and 47 from cats, collected between September and November 2015, 42 (23.6%) isolates from 29 dogs and 13 cats were identified as ESBL producers. The antimicrobial susceptibility, O serotype, phylogenetic group, β-lactamase genotype, plasmid replicon type, and sequence type (ST) of each isolate were analyzed...
April 5, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28368864/characterization-of-esbl-producing-escherichia-coli-recovered-from-companion-dogs-in-tai-an-china
#7
Song Li, Junhe Liu, Yufa Zhou, Zengmin Miao
INTRODUCTION: Animals are considered to be reservoirs of extended-spectrum beta-lactamase (ESBL)-producing bacteria, but few epidemiological data on ESBL-producing Escherichia coli urinary tract isolates in pet dogs are available in China. METHODOLOGY: This study was conducted to describe the prevalence and characterization of ESBL producers among E. coli urinary tract isolates from pet dogs in Tai'an, China. RESULTS: A total of 118 E. coli were obtained from urinary samples of 80 companion dogs suffering from acute or chronic cystitis, of which three isolates from different dogs were ESBL producers...
March 31, 2017: Journal of Infection in Developing Countries
https://www.readbyqxmd.com/read/28328967/phenotypic-and-molecular-characterization-of-antimicrobial-resistance-in-enterobacter-spp-isolates-from-companion-animals-in-japan
#8
Kazuki Harada, Takae Shimizu, Yujiro Mukai, Ken Kuwajima, Tomomi Sato, Akari Kajino, Masaru Usui, Yutaka Tamura, Yui Kimura, Tadashi Miyamoto, Yuzo Tsuyuki, Asami Ohki, Yasushi Kataoka
The emergence of antimicrobial resistance among Enterobacter spp., including resistance to extended-spectrum cephalosporins (ESC), is of great concern in both human and veterinary medicine. In this study, we investigated the prevalence of antimicrobial resistance among 60 isolates of Enterobacter spp., including E. cloacae (n = 44), E. aerogenes (n = 10), and E. asburiae (n = 6), from clinical specimens of dogs and cats from 15 prefectures in Japan. Furthermore, we characterized the resistance mechanisms harbored by these isolates, including extended-spectrum β-lactamases (ESBLs) and plasmid-mediated quinolone resistance (PMQR); and assessed the genetic relatedness of ESC-resistant Enterobacter spp...
2017: PloS One
https://www.readbyqxmd.com/read/28220620/prevalence-of-ampc-and-extended-spectrum-%C3%AE-lactamase-harbouring-enterobacteriaceae-in-faecal-flora-of-a-healthy-domestic-canine-population
#9
D A Mathys, D F Mollenkopf, C A Bremer, J B Daniels, T E Wittum
In order to estimate the prevalence of AmpC- and ESBL β-lactamase-producing Enterobacteriaceae in the faecal flora of a healthy domestic canine population, faecal samples were obtained from healthy dogs receiving routine parasitology screening at the Ohio State University Veterinary Medical Center, between January 2013 and April 2013. Samples were screened for the presence of AmpC and ESBL β-lactamase phenotypes, and the clinically important genotypes, blaCMY and blaCTX-M , were confirmed via conventional PCR...
February 20, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28154560/detection-of-sgi1-pgi1-elements-and-resistance-to-extended-spectrum-cephalosporins-in-proteae-of-animal-origin-in-france
#10
Eliette Schultz, Axel Cloeckaert, Benoît Doublet, Jean-Yves Madec, Marisa Haenni
Proteae, and especially Proteus mirabilis, are often the cause of urinary tract infections (UTIs) in humans. They were reported as carriers of extended-spectrum β-lactamase (ESBL) genes, and recently of carbapenemases, mostly carried by the Salmonella genomic island 1 (SGI1) and Proteus genomic island 1 (PGI1). Proteae have also lately become an increasing cause of UTIs in companion animals, but antimicrobial susceptibility data in animals are still scarce. Here, we report the characterization of 468 clinical epidemiologically unrelated Proteae strains from animals collected between 2013 and 2015 in France...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27999066/public-health-risk-of-antimicrobial-resistance-transfer-from-companion-animals
#11
REVIEW
Constança Pomba, Merja Rantala, Christina Greko, Keith Edward Baptiste, Boudewijn Catry, Engeline van Duijkeren, Ana Mateus, Miguel A Moreno, Satu Pyörälä, Modestas Ružauskas, Pascal Sanders, Christopher Teale, E John Threlfall, Zoltan Kunsagi, Jordi Torren-Edo, Helen Jukes, Karolina Törneke
Antimicrobials are important tools for the therapy of infectious bacterial diseases in companion animals. Loss of efficacy of antimicrobial substances can seriously compromise animal health and welfare. A need for the development of new antimicrobials for the therapy of multiresistant infections, particularly those caused by Gram-negative bacteria, has been acknowledged in human medicine and a future corresponding need in veterinary medicine is expected. A unique aspect related to antimicrobial resistance and risk of resistance transfer in companion animals is their close contact with humans...
April 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/27973988/characterisation-of-extended-spectrum-%C3%AE-lactamase-and-ampc-%C3%AE-lactamase-producing-enterobacteriaceae-isolated-from-companion-animals-in-new-zealand
#12
A Karkaba, A Grinberg, J Benschop, E Pleydell
AIMS: To assess the occurrence of, and characterise, extended-spectrum β-lactamase (ESBL) and AmpC β-lactamase (AmpC)-producing Enterobacteriaceae isolated by veterinary diagnostic laboratories from infection sites in companion animals in New Zealand. METHODS: Selected Enterobacteriaceae isolates were submitted by seven New Zealand veterinary diagnostic laboratories. They were isolated from infection sites in companion animals between June 2012 and June 2013, and were resistant to amoxicillin-clavulanic acid, fluoroquinolones, or any combination of two or more antimicrobials...
March 2017: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/27899921/high-prevalence-of-%C3%AE-lactamase-and-plasmid-mediated-quinolone-resistance-genes-in-extended-spectrum-cephalosporin-resistant-escherichia-coli-from-dogs-in-shaanxi-china
#13
Xiaoqiang Liu, Haixia Liu, Yinqian Li, Caiju Hao
Objective: The aim of this study was to investigate the occurrence and molecular characterization of extended-spectrum β-lactamases (ESBL), plasmid-mediated AmpC β-lactamase (pAmpC) and carbapenemases as well as plasmid-mediated quinolone-resistant (PMQR) among extended-spectrum cephalosporin-resistant (ESC-R) Escherichia coli from dogs in Shaanxi province in China. Methods: A total of 40 ESC-R Escherichia coli selected from 165 Extraintestinal pathogenic E. coli (ExPEC) isolated from dogs were screened and characterized for the genes encoding for the ESBLs, pAmpC, carbapenemases and PMQR genes by PCR and sequencing...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27660260/40-years-of-veterinary-papers-in-jac-what-have-we-learnt
#14
REVIEW
Stefan Schwarz, Virve I Enne, Engeline van Duijkeren
This review, for the occasion of the 40th anniversary of the Journal of Antimicrobial Chemotherapy (JAC), gives an overview of the manuscripts related to veterinary bacteriology published in the journal in the past 40 years with a focus on 'One Health' aspects. From 1975 to 2000 the number of manuscripts related to veterinary medicine was limited, but thereafter, the number steadily increased. Most manuscripts published were related to food-producing animals, but companion animals and minor species were also covered...
October 2016: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/27586467/phenotypic-and-genotypic-antimicrobial-resistance-and-virulence-genes-of-salmonella-enterica-isolated-from-pet-dogs-and-cats
#15
Songsak Srisanga, Sunpetch Angkititrakul, Patcharee Sringam, Phuong T Le Ho, An T T Vo, Rungtip Chuanchuen
Salmonella enterica isolates (n = 122), including 32 serotypes from 113 dogs and 9 cats, were obtained from household dogs (n = 250) and cats (n = 50) during 2012-2015. The isolates were characterized by serotyping, antimicrobial resistance phenotyping and genotyping, and virulence gene screening. Serovars Weltevreden (15.6%) and Typhimurium (13.9%) were the most common. The majority (43%) of the isolates were multidrug resistant. The dog isolates (12.3%) harbored class 1 integrons, of which the dfrA12-aadA2 cassette was most frequent (66...
September 30, 2017: Journal of Veterinary Science
https://www.readbyqxmd.com/read/27446056/phenotypic-and-molecular-characterization-of-antimicrobial-resistance-in-klebsiella-spp-isolates-from-companion-animals-in-japan-clonal-dissemination-of-multidrug-resistant-extended-spectrum-%C3%AE-lactamase-producing-klebsiella-pneumoniae
#16
Kazuki Harada, Takae Shimizu, Yujiro Mukai, Ken Kuwajima, Tomomi Sato, Masaru Usui, Yutaka Tamura, Yui Kimura, Tadashi Miyamoto, Yuzo Tsuyuki, Asami Ohki, Yasushi Kataoka
The emergence of antimicrobial resistance in Klebsiella spp., including resistance to extended-spectrum cephalosporins (ESC) and fluoroquinolones, is of great concern in both human and veterinary medicine. In this study, we investigated the prevalence of antimicrobial resistance in a total of 103 Klebsiella spp. isolates, consisting of Klebsiella pneumoniae complex (KP, n = 89) and K. oxytoca (KO, n = 14) from clinical specimens of dogs and cats in Japan. Furthermore, we characterized the resistance mechanisms, including extended-spectrum β-lactamase (ESBL), plasmid-mediated AmpC β-lactamase (PABL), and plasmid-mediated quinolone resistance (PMQR); and assessed genetic relatedness of ESC-resistant Klebsiella spp...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27314838/veterinary-hospital-dissemination-of-ctx-m-15-extended-spectrum-beta-lactamase-producing-escherichia-coli-st410-in-the-united-kingdom
#17
Dorina Timofte, Iuliana Elena Maciuca, Nicola J Williams, Andrew Wattret, Vanessa Schmidt
We characterized extended-spectrum beta-lactamases (ESBLs) and plasmid-mediated quinolone resistance (PMQR) in 32 Escherichia coli extended spectrum cephalosporin (ESC)-resistant clinical isolates from UK companion animals from several clinics. In addition, to investigate the possible dissemination of ESBL clinical isolates within a veterinary hospital, two ESBL-producing E. coli isolates from a dog with septic peritonitis and a cluster of environmental ESC-resistant E. coli isolates obtained from the same clinic and during the same time period, as these two particular ESBL-positive clinical isolates, were also included in the study...
October 2016: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/27291944/multidrug-resistant-opportunistic-pathogens-challenging-veterinary-infection-control
#18
REVIEW
Birgit Walther, Karsten Tedin, Antina Lübke-Becker
Although the problems associated with healthcare-associated infections (HAI) and the emergence of zoonotic and multidrug-resistant pathogens in companion animal (dogs, cats and horses) medicine have been well-known for decades, current progress with respect to practical implementation of infection control programs in veterinary clinics has been limited. Clinical outbreak events reported for methicillin-resistant Staphylooccus aureus (MRSA) and Staphylococcus pseudintermedius (MRSP), extended spectrum beta-lactamase (ESBL)-producing Escherichia coli and multidrug-resistant (MDR) Salmonella Serovars indicate the necessity of infection control strategies for protecting animal patients at risk as well as veterinary personnel...
February 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/27214496/extended-spectrum-%C3%AE-lactamase-producing-escherichia-coli-isolated-from-wild-birds-in-saskatoon-canada
#19
D Parker, M K Sniatynski, D Mandrusiak, J E Rubin
UNLABELLED: The epidemiology of antimicrobial resistance is extremely complex and involves humans, domestic animals (companion and agricultural) and wildlife. In North America there have been very few investigations targeting antimicrobial-resistant organisms in wildlife. In this study, we characterized the susceptibility of Escherichia coli isolated from 75 birds including great horned owls, crows and American robins from the region of Saskatoon, Canada. The recovery rate of E. coli varied significantly between species from 44·8% of robins to 92% of crows...
July 2016: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/27208899/circulation-of-clonal-populations-of-fluoroquinolone-resistant-ctx-m-15-producing-escherichia-coli-st410-in-humans-and-animals-in-germany
#20
Linda Falgenhauer, Can Imirzalioglu, Hiren Ghosh, Konrad Gwozdzinski, Judith Schmiedel, Katrin Gentil, Rolf Bauerfeind, Peter Kämpfer, Harald Seifert, Geovana Brenner Michael, Stefan Schwarz, Yvonne Pfeifer, Guido Werner, Michael Pietsch, Uwe Roesler, Beatriz Guerra, Jennie Fischer, Hannah Sharp, Annemarie Käsbohrer, Alexander Goesmann, Katja Hille, Lothar Kreienbrock, Trinad Chakraborty
Multidrug-resistant Escherichia coli encoding CTX-M-type extended-spectrum β-lactamases (ESBLs) are isolated in increasing numbers from humans, companion animals and livestock, raising concern regarding the exchange and spread of isolates in these populations. In this study, whole-genome sequencing of CTX-M-15-producing E. coli isolates recently sampled from humans, companion animals, livestock and farm environments was performed. In total, 26 different sequence types (STs) were detected, of which ST410 was the most frequent and was the only ST present in all populations studied...
June 2016: International Journal of Antimicrobial Agents
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