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https://www.readbyqxmd.com/read/29136156/increase-in-antimicrobial-resistance-and-emergence-of-major-international-high-risk-clonal-lineages-in-dogs-and-cats-with-urinary-tract-infection-16-year-retrospective-study
#1
Cátia Marques, Adriana Belas, Andreia Franco, Catarina Aboim, Luís Telo Gama, Constança Pomba
Objectives: To evaluate temporal trends in antimicrobial resistance, over 16 years, in bacteria isolated from dogs and cats with urinary tract infection (UTI) and the clonal lineages of bacteria harbouring critical antimicrobial resistance mechanisms. Methods: Antimicrobial susceptibility testing was conducted for 948 bacteria isolated from dogs and cats with UTI (1999-2014). Resistance mechanisms were detected by PCR, namely ESBL/AmpC in third-generation cephalosporin (3GC)-resistant Escherichia coli and Proteus mirabilis, mecA in methicillin-resistant staphylococci, and aac(6')-Ieaph(2″)-Ia and aph(2″)-1d in high-level gentamicin-resistant (HLGR) enterococci...
November 9, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29116010/multi-drug-resistance-and-extended-spectrum-beta-lactamase-producing-gram-negative-bacteria-from-chicken-meat-in-bharatpur-metropolitan-nepal
#2
Anil Shrestha, Anup Muni Bajracharya, Hemraj Subedi, Raju Shah Turha, Sachin Kafle, Saroj Sharma, Sunil Neupane, Dhiraj Kumar Chaudhary
OBJECTIVE: Multidrug resistance (MDR) and extended spectrum beta lactamase (ESBL) producer Gram negative bacteria are considered as a major health problem, globally. ESBL enzyme hydrolyses the beta lactam ring of third generation cephalosporins, which alters the structure of the antibiotic. Due to the modification in structure of the antibiotic, bacteria show resistance to these antibiotics. Resistant bacterial strains are transmitted to humans from animals through consumption of uncooked meat, through contact with uncooked meat and meat surfaces...
November 7, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29111480/draft-genome-sequences-of-two-fluoroquinolone-resistant-ctx-m-15-producing-escherichia-coli-st90-st23-complex-isolated-from-a-calf-and-a-dairy-cow-in-south-america
#3
Luciana Sartori, Miriam R Fernandes, Susan Ienne, Tiago A de Souza, Lilian Gregory, Louise Cerdeira, Nilton Lincopan
OBJECTIVES: Farm animals have been recognised as important carriers and reservoirs of extended-spectrum β-lactamase (ESBL)-producing Escherichia coli. The aim of this study was to report the draft genome sequences of two multidrug-resistant (MDR) CTX-M-15-producing E. coli strains (47VL and 13B) isolated from different bovine hosts (a calf and a dairy cow), housed separately in a commercial dairy farm in Brazil. METHODS: Total genomic DNA of the E. coli isolates was sequenced using an Illumina MiSeq paired-end 300-bp sequencing platform...
October 31, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/29042339/clonal-dissemination-of-oxa-48-producing-enterobacter-cloacae-isolated-from-companion-animals-in-algeria
#4
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/29040337/a-comparison-of-extended-spectrum-%C3%AE-lactamase-producing-escherichia-coli-from-clinical-recreational-water-and-wastewater-samples-associated-in-time-and-location
#5
COMPARATIVE STUDY
Silje B Jørgensen, Arne V Søraas, Lotte S Arnesen, Truls M Leegaard, Arnfinn Sundsfjord, Pål A Jenum
Extended spectrum β-lactamase producing Escherichia coli (ESBL-EC) are excreted via effluents and sewage into the environment where they can re-contaminate humans and animals. The aim of this observational study was to detect and quantify ESBL-EC in recreational water and wastewater, and perform a genetic and phenotypic comparative analysis of the environmental strains with geographically associated human urinary ESBL-EC. Recreational fresh- and saltwater samples from four different beaches and wastewater samples from a nearby sewage plant were filtered and cultured on differential and ESBL-selective media...
2017: PloS One
https://www.readbyqxmd.com/read/29031106/new-insights-into-resistance-to-colistin-and-third-generation-cephalosporins-of-escherichia-coli-in-poultry-portugal-novel-blactx-m-166-and-blaesac-genes
#6
Vera Manageiro, Lurdes Clemente, Rafael Graça, Ivone Correia, Teresa Albuquerque, Eugénia Ferreira, Manuela Caniça
The increasing incidence of intestinal colonization with extended-spectrum β-lactamase (ESBL)-producing Enterobacteriaceae and Gram negative organisms that has been observed in food animals such as poultry, cattle and pigs, are suggestive that animals, food and environment are potential sources of ESBL-producing bacteria. Hence, the aim of this study was to characterized commensal E. coli obtained from healthy broiler and turkey flocks at slaughter for the presence of penicillinases-, ESBL-, extended-spectrum AmpC (ESAC)-, plasmid-mediated quinolone resistance- and MCR-encoding genes...
October 4, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28990132/oxa-48-like-carbapenemases-producing-enterobacteriaceae-in-different-niches
#7
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/28981392/extended-spectrum-beta-lactamase-ampc-beta-lactamase-producing-enterobacteriaceae-in-broiler-farms-transmission-dynamics-at-farm-level
#8
Katrin Daehre, Michaela Projahn, Torsten Semmler, Uwe Roesler, Anika Friese
The occurrence of extended-spectrum beta-lactamase- (ESBL) and/or AmpC beta-lactamase- (AmpC) producing Enterobacteriaceae in livestock, especially in broiler fattening flocks, has been demonstrated in previous studies. Nevertheless, data on transmission routes of these resistant bacteria into the fattening farms are rare. Therefore, seven broiler fattening flocks were investigated for the occurrence of ESBL-/AmpC-producing Enterobacteriaceae during the course of the fattening period with the special focus on horizontal transmission routes...
October 5, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28970159/a-review-of-antimicrobial-resistance-surveillance-programmes-in-livestock-and-meat-thereof-in-europe-with-a-focus-on-antimicrobial-resistance-patterns-in-humans
#9
REVIEW
Remco Schrijver, Martijn Stijntjes, Jesús Rodríguez-Baño, Evelina Tacconelli, Nithya Babu Rajendran, Andreas Voss
OBJECTIVES: - Objective of this review was to describe surveillance programmes reporting antimicrobial resistance (AMR) and resistance genes in bacterial isolates from livestock and meat and to compare them with those relevant for human health. METHODS: - A review has been carried out to identify publications on AMR in European countries. PubMed has been reviewed and AMR monitoring programmes were identified from reports retrieved by internet searches and by contacting national authorities in EU/EEA MSs...
September 29, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28921905/antibiotic-resistant-escherichia-coli-in-southeastern-australian-pig-herds-and-implications-for-surveillance
#10
L K van Breda, O P Dhungyel, M P Ward
To investigate public health implications of antibiotics to control post-weaning scours, we surveyed 22 commercial pig herds in southeastern Australia. Fifty faecal samples per herd were collected from pre- and post-weaned piglets. Presumptive Escherichia coli isolates were confirmed by MALDI-TOF MS. Isolates (n = 325) were screened for susceptibility to 19 veterinary antibiotics using MIC broth microdilution. All 325 E. coli isolates underwent further testing against 27 antibiotics used in human medicine and were screened for ETEC adhesin and enterotoxin genes (F4 (K88), F5 (K99), F6 (987P), F18, F41, STa, STb, Stx2e and LT) by multiplex PCR...
September 17, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28898269/faecal-carriage-of-ctx-m-extended-spectrum-beta-lactamase-producing-enterobacteriaceae-among-street-children-dwelling-in-mwanza-city-tanzania
#11
Nyambura Moremi, Heike Claus, Ulrich Vogel, Stephen E Mshana
BACKGROUND: Data on ESBL carriage of healthy people including children are scarce especially in developing countries. We analyzed the prevalence and genotypes of ESBL-producing Enterobacteriaceae (EPE) in Tanzanian street children with rare contact to healthcare facilities but significant interactions with the environment, animals and other people. METHODOLOGY/ PRINCIPLE FINDINGS: Between April and July 2015, stool samples of 107 street children, who live in urban Mwanza were analyzed for EPE...
2017: PloS One
https://www.readbyqxmd.com/read/28873943/novel-sequence-types-of-extended-spectrum-and-acquired-ampc-beta-lactamase-producing-escherichia-coli-and-escherichia-clade-v-isolated-from-wild-mammals
#12
Carla Andrea Alonso, Leticia Alcalá, Carmen Simón, Carmen Torres
The closer contact with wildlife due to the growing human population and the destruction of natural habitats emphasizes the need of gaining insight into the role of animals as source of antimicrobial resistance. Here, we aim at characterizing the antimicrobial resistance genes and phylogenetic distribution of commensal Escherichia coli from 62 wild mammals. Isolates exhibiting resistance to ≥1 antibiotic were detected in 25.8% of the animals and 6.4% carried an extended-spectrum beta-lactamase (ESBL)/AmpC-producing E...
August 1, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28834351/preliminary-insights-into-the-occurrence-of-similar-clones-of-extended-spectrum-beta-lactamase-producing-bacteria-in-humans-animals-and-the-environment-in-tanzania-a-systematic-review-and-meta-analysis-between-2005-and-2016
#13
REVIEW
J Seni, N Moremi, M Matee, F van der Meer, R DeVinney, S E Mshana, J D D Pitout
The emergence and spread of extended-spectrum beta-lactamase producing Enterobacteriaceae (ESBL-PE) are complex and of the public health concern across the globe. This review aimed at assessing the ESBL-PE clones circulating in humans, animals and the environment to provide evidence-based insights for combating ESBL-PE using One Health approach. Systematic search from Medline/PubMed, Google Scholar and African Journals Online was carried out and retrieved nine eligible articles (of 131) based on phenotypic and genotypic detection of ESBL-PE between 2005 and 2016 in Tanzania...
August 22, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28758612/incidence-of-extended-spectrum-%C3%AE-lactamase-esbl-producing-escherichia-coli-and-klebsiella-infections-in-the-united-states-a-systematic-literature-review
#14
Jennifer McDanel, Marin Schweizer, Victoria Crabb, Richard Nelson, Matthew Samore, Karim Khader, Amy E Blevins, Daniel Diekema, Hsiu-Yin Chiang, Rajeshwari Nair, Eli Perencevich
BACKGROUND Despite a reported worldwide increase, the incidence of extended-spectrum β-lactamase (ESBL) Escherichia coli and Klebsiella infections in the United States is unknown. Understanding the incidence and trends of ESBL infections will aid in directing research and prevention efforts. OBJECTIVE To perform a literature review to identify the incidence of ESBL-producing E. coli and Klebsiella infections in the United States. DESIGN Systematic literature review. METHODS MEDLINE via Ovid, CINAHL, Cochrane library, NHS Economic Evaluation Database, Web of Science, and Scopus were searched for multicenter (≥2 sites), US studies published between 2000 and 2015 that evaluated the incidence of ESBL-E...
October 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28749780/the-prevalence-of-extended-spectrum-beta-lactamase-producing-multidrug-resistant-escherichia-coli-in-poultry-chickens-and-variation-according-to-farming-practices-in-punjab-india
#15
Charles H Brower, Siddhartha Mandal, Shivdeep Hayer, Mandeep Sran, Asima Zehra, Sunny J Patel, Ravneet Kaur, Leena Chatterjee, Savita Mishra, B R Das, Parminder Singh, Randhir Singh, J P S Gill, Ramanan Laxminarayan
BACKGROUND: Agricultural use of antimicrobials in subtherapeutic concentrations is increasing in response to the rising demand for food animal products worldwide. In India, the use of antimicrobials in food animal production is unregulated. Research suggests that many clinically important antimicrobials are used indiscriminately. This is the largest study to date in India that surveys poultry production to test for antimicrobial resistance and the occurrence of extended-spectrum β-lactamases (ESBLs) modulated by farming and managerial practices...
July 20, 2017: Environmental Health Perspectives
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
#16
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/28735050/antimicrobial-resistance-profiles-and-genotypes-of-extended-spectrum-%C3%AE-lactamase-and-ampc-%C3%AE-lactamase-producing-klebsiella-pneumoniae-isolated-from-dogs-in-beijing-china
#17
Yanhan Liu, Yonghui Yang, Yanyun Chen, Zhaofei Xia
OBJECTIVES: Klebsiella pneumoniae, which exists in the intestinal and respiratory tracts of humans and animals, is an important conditional pathogen in many animals. The aim of the current study was to investigate the antimicrobial resistance profiles and genotypes of extended-spectrum β-lactamase (ESBL)- and AmpC β-lactamase-producing K. pneumoniae isolated from dogs. METHODS: A total of 285 isolates, collected from faecal and urine samples of diseased dogs in a Veterinary Teaching Hospital in Beijing, were characterised by antimicrobial susceptibility testing and screened for ESBL and AmpC β-lactamase phenotypes...
September 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28728058/high-prevalence-of-esbls-in-retail-chicken-meat-despite-reduced-use-of-antimicrobials-in-chicken-production-france
#18
Tiago Casella, Mara Correa Lelles Nogueira, Estelle Saras, Marisa Haenni, Jean-Yves Madec
Extended-spectrum cephalosporins (ESCs) are critically important antibiotics for humans and their use in animals poses a potential threat for public health. Chicken represents an increasing part of the human diet and has also been regarded as a source of ESC-resistant Enterobacteriaceae because of the worldwide off-label use of ceftiofur, a broad-spectrum cephalosporin. Thus, numerous studies pointed out chicken as a reservoir of ESBL/pAmpC genes, plasmids and/or clones at risk for humans. In France, late 2011, strong political pressure led to a drastic reduction of ceftiofur use and all other antibiotics in chicken production...
July 10, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28674313/first-detection-of-an-escherichia-coli-strain-harboring-the-mcr-1-gene-in-retail-domestic-chicken-meat-in-japan
#19
Yusuke Ohsaki, Wataru Hayashi, Satomi Saito, Shunsuke Osaka, Yui Taniguchi, Shota Koide, Kumiko Kawamura, Yukiko Nagano, Yoshichika Arakawa, Noriyuki Nagano
Global spread of the plasmid-mediated colistin resistance gene, mcr-1 poses a challenge to public health because colistin is the last-line-of-defense against severe infections of multidrug-resistant Gram-negative bacteria. In Japan, a few studies have reported the prevalence of mcr-1 among food animal-derived Escherichia coli isolates, but the prevalence of mcr-1 in retail meats is not well known. We report here the first detection of mcr-1 in retail chicken meat. A total of 70 extended-spectrum beta-lactamase-producing E...
September 25, 2017: Japanese Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28641596/types-and-prevalence-of-extended-spectrum-beta-lactamase-producing-enterobacteriaceae-in-poultry
#20
Eva-Maria Saliu, Wilfried Vahjen, Jürgen Zentek
For several billion years, bacteria have developed mechanisms to resist antibacterial substances. In modern time, antibiotics are frequently used in veterinary and human medicine for prevention and treatment of diseases, globally still also for their growth promoting effects as feed additives. This complex situation has evolved in accelerating development and prevalence of multi-drug resistant bacteria in livestock and people. Extended-spectrum beta-lactamase (ESBL) producing bacteria are resistant to a wide range of ß-lactam antibiotics...
June 23, 2017: Animal Health Research Reviews
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