Growth in the presence of specific antibiotics induces biofilm formation by a Campylobacter jejuni strain sensitive to them but not in resistant strains

ConclusionThe ability of certain antibiotics to induce biofilm formation by a tested C. jejuni strain is of concern, with respect to the effective control of disease caused by this pathogen; however, further work is required to confirm how widespread this feature is.
Source: Journal of Global Antimicrobial Resistance - Category: Infectious Diseases Source Type: research

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Publication date: Available online 10 October 2019Source: Comparative Immunology, Microbiology and Infectious DiseasesAuthor(s): Bárbara Martín-Maldonado, Laura Montoro-Dasi, Maria Teresa Pérez-Gracia, Jaume Jordá, Santiago Vega, Francisco Marco-Jiménez, Clara MarinAbstractWild birds have repeatedly been found to be involved in the dissemination of enteric bacterial pathogens in the environment. The aim of this study was to determine the occurrence of Salmonella and Campylobacter as well as the antimicrobial resistance in wild Bonelli’s eagles nestlings in Eastern Spain. In addition...
Source: Comparative Immunology, Microbiology and Infectious Diseases - Category: Infectious Diseases Source Type: research
ménez F, Marin C Abstract Wild birds have repeatedly been found to be involved in the dissemination of enteric bacterial pathogens in the environment. The aim of this study was to determine the occurrence of Salmonella and Campylobacter as well as the antimicrobial resistance in wild Bonelli's eagles nestlings in Eastern Spain. In addition, we compared the efficiency of two sampling methods (fresh faecal samples from nest and cloacal swabs from nestlings) for detection of both bacteria. A total of 28 nests with 45 nestlings were analysed. In the nest, Salmonella occurrence was 61 ± 9.2%...
Source: Comparative immunology, microbiology and infectious diseases. - Category: Allergy & Immunology Authors: Tags: Comp Immunol Microbiol Infect Dis Source Type: research
Abstract Campylobacter jejuni and C. coli are leading causes of human foodborne illness with poultry as a major vehicle. Turkeys are frequently colonized with Campylobacter but little is known about Campylobacter survival in turkey feces, even though fecal droppings are major vehicles for Campylobacter within-flock transmission as well as for environmental dissemination. Our objective was to examine survival of Campylobacter, including different strains, in freshly-excreted feces from naturally-colonized commercial turkey flocks and in suspensions of turkey feces in water from the turkey house. Fecal and water sus...
Source: Applied and Environmental Microbiology - Category: Microbiology Authors: Tags: Appl Environ Microbiol Source Type: research
Purpose of review To review recent findings regarding the control and treatment of campylobacteriosis. Recent findings The application of improved diagnostics has led to an upward shift in the attributable burden of Campylobacter infections, in both the United States and Europe as well as in resource-poor settings. Increased focus has brought a fundamental feature of campylobacteriosis -- the ability to cause relapsing disease back into focus, and expanding data on antimicrobial resistance has lead from a switch in first-line therapy for severe diarrhea from quinolones to azithromycin in most contexts, even as evidenc...
Source: Current Opinion in Infectious Diseases - Category: Infectious Diseases Tags: GASTROINTESTINAL INFECTIONS: Edited by Gagandeep Kang and Eric R. Houpt Source Type: research
Conclusion: Because of the key role of broiler chicken in human campylobacteriosis infection, it will important in first time to monitoring using of antibiotics in chicken farms and in second time to verify presence of campylobact ériosis in country.
Source: The Journal of Infection in Developing Countries - Category: Infectious Diseases Source Type: research
Abstract Antimicrobial resistance (AMR) is a major public health problem that requires publicly available tools for rapid analysis. To identify AMR genes in whole genome sequences, the National Center for Biotechnology Information (NCBI) has produced AMRFinder, a tool that identifies AMR genes using a high-quality curated AMR gene reference database. The Bacterial Antimicrobial Resistance Reference Gene Database consists of up-to-date gene nomenclature, a set of hidden Markov models (HMMs), and a curated protein family hierarchy. Currently, it contains 4,579 antimicrobial resistance proteins and more than 560 HMMs...
Source: Antimicrobial Agents and Chemotherapy - Category: Microbiology Authors: Tags: Antimicrob Agents Chemother Source Type: research
Publication date: Available online 23 July 2019Source: Journal of Global Antimicrobial ResistanceAuthor(s): Zobia Noreen, Fariha Siddiqui, Sundus Javed, Brendan W. Wren, Habib BokhariAbstractObjectivesCampylobacter jejuni has been classified as a member of priority pathogens group due to the rapid emergence of multidrug resistant isolates. In the present study we planned to determine the prevalence, antibiotic resistance patterns and source tracking of clinical C. jejuni isolates from pediatric diarrheal patients in Pakistan.MethodsA total of 150 stool samples from children were processed for the presence of Campylobacter ...
Source: Journal of Global Antimicrobial Resistance - Category: Infectious Diseases Source Type: research
ConclusionThe results indicate that the rate of resistance to quinolone has gradually increased. Since ST4526 was not isolated in 2000 and 2008, it is likely that ST4526 is rapidly increasing in Japan.
Source: Journal of Global Antimicrobial Resistance - Category: Infectious Diseases Source Type: research
Antimicrobial resistance was determined for 341 thermophilic Campylobacter jejuni isolates obtained from human clinical cases (n = 101), broiler products (n = 98), dairy cattle (n = 41) and wild birds (n = 101) with known multilocus sequence types (MLST) in Lithuania. The minimum inhibitory concentration (MIC) values for ciprofloxacin, tetracycline, gentamycin, ceftriaxone and erythromycin were determined with the agar dilution method. MIC values were compared with MLST types to find possible associations among isolation source, sequence type and resistance to antibiotics. The proportions of resistant strains were 94.2% (h...
Source: Frontiers in Microbiology - Category: Microbiology Source Type: research
I, Rovira J Abstract The fastidious requirement of the zoonotic pathogen Campylobacter jejuni contrasts with its ability to overcome harsh conditions. Different strategies might be involved in the survival and persistence of C. jejuni through the poultry food chain. Therefore, the aims of this study were to get insights in the survival strategies in the poultry slaughterhouse environment by (i) characterizing factors such as biofilm formation, virulence and antimicrobial resistance in environmental isolates and (ii) understanding the possible link between the phenotypic and genetic characterization using whole gen...
Source: Food Microbiology - Category: Food Science Authors: Tags: Food Microbiol Source Type: research
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