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https://www.readbyqxmd.com/read/28526788/zinc-resistance-within-swine-associated-methicillin-resistant-staphylococcus-aureus-mrsa-isolates-in-the-usa-is-associated-with-mlst-lineage
#1
Samantha J Hau, Timothy Frana, Jisun Sun, Peter R Davies, Tracy L Nicholson
Zinc resistance in livestock-associated methicillin resistant Staphylococcus aureus (LA-MRSA) sequence type (ST) 398 is primarily mediated by the czrC gene co-located with the mecA gene, encoding methicillin resistance, within the type V SCCmec element. Because czrC and mecA are located within the same mobile genetic element, it has been suggested that the use of in feed zinc as an antidiarrheal agent has the potential to contribute to the emergence and spread of MRSA in swine through increased selection pressure to maintain the SCCmec element in isolates obtained from pigs...
May 19, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28495772/complete-genome-sequence-of-the-livestock-associated-methicillin-resistant-strain-staphylococcus-aureus-subsp-aureus-08s00974-sequence-type-398
#2
Olga Makarova, Paul Johnston, Birgit Walther, Jens Rolff, Uwe Roesler
We report here the complete genome sequence of the livestock-associated methicillin-resistant Staphylococcus aureus strain 08S00974 from sequence type 398 (ST398 LA-MRSA) isolated from a fatting pig at a farm in Germany.
May 11, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28495466/methicillin-resistant-staphylococcus-aureus-screening-pcr-adapted-to-locally-emerging-variants-evaluation-of-novel-sccmec-primers
#3
Miriam Herma, Sabine Petersdorf, Birgit Henrich
Infections with multi-resistant bacteria, such as Methicillin-resistant Staphylococcus aureus (MRSA), represent a world-wide health-care problem. The original MRSA Screening TaqMan PCR was based on the detection of the SCCmec-orfX-junction as described by the group of Huletsky in 2004. In the recent years, this assay increasingly failed to detect new MRSA variants in swab specimens. In this work, we analyzed the usefulness of 17 additional SCCmec primers to increase PCR sensitivity by testing 290 collected samples with negative PCR results and positive MRSA culture in a retrospective analysis, and 380 samples of the daily routine diagnostics...
May 3, 2017: International Journal of Medical Microbiology: IJMM
https://www.readbyqxmd.com/read/28435193/can-methicillin-resistant-staphylococcus-aureus-prevalence-from-dairy-cows-in-india-act-as-potential-risk-for-community-associated-infections-a-review
#4
REVIEW
Sathish Gopal, Kurunchi C Divya
Methicillin-resistant Staphylococcus aureus (MRSA) is classified as hospital associated (HA), community associated (CA), livestock associated (LA) and is a global concern. Developing countries, like India, are densely populated country challenging for public hygiene practices. HA-MRSA is comfortably recorded in India, and CA-MRSA is also reported as increasing one. CA-MRSA is serious disease which affects the community as endemic. MRSA is one among major mastitis-causing organisms in India as LA-MRSA. There were reports for transmission of MRSA as community between milk handlers and cow in global perspective...
March 2017: Veterinary World
https://www.readbyqxmd.com/read/28431450/-livestock-associated-methicillin-resistant-staphylococcus-aureus-epidemiological-data-from-an-orthopaedic-department-in-north-west-germany
#5
Gerrit Steffen Maier, Fritz Thorey, Kristina Kolbow, Djordje Lazovic, Markus Lühmann, Jörg Ohnsorge, Uwe Maus
Background MRSA represents a considerable health threat to orthopaedic patients. Throughout the last decade, livestock-associated MRSA emerged increasingly in livestock all over Europe. LA-MRSA broke the species barrier, colonizing and causing infections in humans. Nevertheless, to date there are no studies concerning livestock-associated MRSA and orthopaedic patients. Therefore, we aimed to investigate the prevalence of LA-MRSA in a regional orthopaedic department localized in an area with high-density livestock...
April 21, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28351443/phenotypic-and-molecular-characteristics-of-staphylococcus-aureus-and-methicillin-resistant-staphylococcus-aureus-in-slaughterhouse-pig-related-workers-and-control-workers-in-guangdong-province-china
#6
X L Wang, L Li, S M Li, J Y Huang, Y P Fan, Z J Yao, X H Ye, S D Chen
Pig farmers and veterinarians have high prevalence of methicillin-resistant Staphylococcus aureus (MRSA) due to the occupational livestock exposure, while few reported this association on slaughterhouse workers. We conducted this cross-sectional study to explore the phenotypic and molecular characteristics of S. aureus and MRSA in slaughterhouse pig-related workers and control workers in Guangdong Province, China. Participants were interviewed and provided two nasal swabs. Swabs were tested for S. aureus, and isolates were further tested for antimicrobial susceptibility, virulence genes and multi-locus sequence typing...
March 29, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28348878/a-phylogenomic-framework-for-assessing-the-global-emergence-and-evolution-of-clonal-complex-398-methicillin-resistant-staphylococcus-aureus
#7
Anders Gonçalves da Silva, Sarah L Baines, Glen P Carter, Helen Heffernan, Nigel P French, Xiaoyun Ren, Torsten Seemann, Dieter Bulach, Jason Kwong, Timothy P Stinear, Benjamin P Howden, Deborah A Williamson
Distinct clones of methicillin-resistant Staphylococcus aureus (MRSA) have emerged as important causes of infection in individuals who have exposure to livestock (livestock-associated MRSA; LA-MRSA). Clonal complex 398 (CC398) is the most prevalent LA-MRSA clone, and has been reported from several geographical settings, including Europe, the Americas and Asia. To understand the factors contributing to the global dissemination of this clone, we analysed CC398 MRSA isolates from New Zealand (NZ), a geographically isolated country with an economy strongly dependent on livestock farming...
January 2017: Microbial Genomics
https://www.readbyqxmd.com/read/28324679/methicillin-resistant-and-susceptible-staphylococcus-aureus-from-retail-meat-in-denmark
#8
Yuanyue Tang, Jesper Larsen, Jette Kjeldgaard, Paal Skytt Andersen, Robert Skov, Hanne Ingmer
Livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) is increasingly related to human infections. Farmers and veterinarians have the highest risk, but infections have also occurred in individuals without prior contact to livestock. Clonal complex (CC) 398 is the predominant LA-MRSA lineage causing human infections, and although pigs are the major source of CC398 worldwide, poultry and other animals are also reservoirs. This raises concern for transmission of MRSA via meat. In this study, the occurrence and characteristics of S...
March 6, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28304109/methicillin-resistant-staphylococcus-aureus-a-controversial-food-borne-pathogen
#9
REVIEW
D Sergelidis, A S Angelidis
Methicillin-resistant Staphylococcus aureus (MRSA) is a major cause of severe healthcare-associated (HA) infections. Although during the last decade the incidence of HA invasive infections has dropped, the incidence of community-associated MRSA (CA-MRSA) infections has risen among the general population. Moreover, CA-MRSA, livestock-associated MRSA (LA-MRSA) and HA-MRSA (HA-MRSA) can be found in foods intended for human consumption. Several studies from different geographical areas have reported the presence of enterotoxin genes in several MRSA food isolates...
June 2017: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/28284852/current-methodologies-on-genotyping-for-nosocomial-pathogen-methicillin-resistant-staphylococcus-aureus-mrsa
#10
REVIEW
Jian Miao, Lequn Chen, Jingwen Wang, Wenxin Wang, Dingqiang Chen, Lin Li, Bing Li, Yang Deng, Zhenbo Xu
Methicillin-resistant Staphylococcus aureus (MRSA) is a common pathogen in hospitals and the community. As the rapid spread and wide distribution of antimicrobial resistance (such as MRSA), treatment for infectious diseases caused by microorganisms has become a vital threat. Thus, early identification and genotyping are essential for further therapeutic treatment and the control of rapid expansion of MRSA. In combination with applications and data feedbacks, this review focused on the currently available molecular-based assays on their utility and performance for rapid typing of MRSA, especially on effective molecular-based methods...
March 9, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28284608/characterization-of-pig-associated-methicillin-resistant-staphylococcus-aureus
#11
Jun Li, Nansong Jiang, Yuebin Ke, Andrea T Feßler, Yang Wang, Stefan Schwarz, Congming Wu
Livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) have been reported in various countries worldwide. However, although China is one of the biggest pig and pork producers, large-scale studies on pig-associated LA-MRSA from China are scarce. The aims of this study were to analyze 2420 non-duplicate samples collected from pigs at swine farms and slaughterhouses in different regions in China during 2014 for the prevalence of pig-associated MRSA and to determine the antimicrobial resistance pheno- and genotypes of the respective isolates...
March 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28151984/livestock-associated-staphylococcus-aureus-on-polish-pig-farms
#12
Aneta Mroczkowska, Jacek Żmudzki, Natalia Marszałek, Monika Orczykowska-Kotyna, Iga Komorowska, Agnieszka Nowak, Anna Grzesiak, Ewelina Czyżewska-Dors, Arkadiusz Dors, Zygmunt Pejsak, Waleria Hryniewicz, Tomasz Wyszomirski, Joanna Empel
BACKGROUND: Livestock-associated Staphylococcus aureus (LA-SA) draws increasing attention due to its particular ability to colonize farm animals and be transmitted to people, which in turn leads to its spread in the environment. The aim of the study was to determine the dissemination of LA-SA on pig farms selected throughout Poland, characterize the population structure of identified S. aureus, and assess the prevalence of LA-SA carriage amongst farmers and veterinarians being in contact with pigs...
2017: PloS One
https://www.readbyqxmd.com/read/28076471/genomic-information-on-multidrug-resistant-livestock-associated-methicillin-resistant-staphylococcus-aureus-st398-isolated-from-a-brazilian-patient-with-cystic-fibrosis
#13
Danielle F Lima, Renata Wf Cohen, Géssica A Rocha, Rodolpho M Albano, Elizabeth A Marques, Robson S Leão
Alarmingly, the isolation of methicillin-resistant Staphylococcus aureus (MRSA) has been increasing among patients with cystic fibrosis (CF). During a previous molecular characterisation of MRSA isolates obtained from patients with CF from Rio de Janeiro, Brazil, one isolate was identified as the ST398 clone, a livestock-associated (LA) MRSA. In this study, we report the draft genome sequence of an LA-MRSA ST398 clone isolated from a patient with CF.
January 1, 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28036110/detection-and-molecular-characterization-of-livestock-associated-mrsa-in-raw-meat-on-retail-sale-in-north-west-england
#14
A Fox, B Pichon, H Wilkinson, M Doumith, R L R Hill, J McLauchlin, A M Kearns
Limited data are available on the prevalence of livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) in the UK. We tested 124 raw meat samples for MRSA including pork (n = 63), chicken (n = 50) and turkey (n = 11) collected from retail outlets in North West England between March and July 2015. MRSA was recovered from nine (7·3%) samples (four chicken, three pork and two turkey) from different butchers and supermarkets. Four were labelled of UK origin, three were from continental Europe; the origin was not specified for two samples...
December 30, 2016: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/27999031/mrsa-in-persons-not-living-or-working-on-a-farm-in-a-livestock-dense-area-prevalence-and-risk-factors
#15
Tizza P Zomer, Cornelia C H Wielders, Christiaan Veenman, Paul Hengeveld, Wim van der Hoek, Sabine C de Greeff, Lidwien A M Smit, Dick J Heederik, C Joris Yzermans, Thijs Bosch, Catharina B M Maassen, Engeline van Duijkeren
Objectives: MRSA emerged in livestock and persons in contact with livestock is referred to as livestock-associated MRSA (LA-MRSA). We assessed the prevalence and risk factors for MRSA carriage in persons not living or working on a farm. Methods: A cross-sectional study was performed among 2492 adults living in close proximity of livestock farms. Persons working and/or living on farms were excluded. Nasal swabs were cultured using selective media. Participants completed questionnaires and the distance from the residential address to the nearest farm was calculated...
March 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/27881973/livestock-associated-methicillin-resistant-staphylococcus-aureus-la-mrsa-clonal-complex-cc-398-isolated-from-uk-animals-belong-to-european-lineages
#16
Meenaxi Sharma, Javier Nunez-Garcia, Angela M Kearns, Michel Doumith, Patrick R Butaye, M Angeles Argudín, Angela Lahuerta-Marin, Bruno Pichon, Manal AbuOun, Jon Rogers, Richard J Ellis, Christopher Teale, Muna F Anjum
In recent years, there has been an increase in the number of livestock-associated methicillin resistant Staphylococcus aureus (LA-MRSA) clonal complex (CC) 398 recovered from S. aureus isolated animals in the UK. To determine possible origins of 12 LA-MRSA CC398 isolates collected after screening more than a thousand S. aureus animal isolates from the UK between 2013 and 2015, whole genome sequences (WGS) of CC398 European, including UK, and non-European isolates from diverse animal hosts were compared. Phylogenetic reconstruction applied to WGS data to assess genetic relatedness of all 89 isolates, clustered the 12 UK CC398 LA-MRSA within the European sub-lineages, although on different nodes; implicating multiple independent incursions into the UK, as opposed to a single introduction followed by clonal expansion...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27759766/vancomycin-intermediate-livestock-associated-methicillin-resistant-staphylococcus-aureus-st398-t9538-from-swine-in-brazil
#17
Luisa Z Moreno, Mauricio C Dutra, Marina Moreno, Thais Sp Ferreira, Givago Fr da Silva, Carlos Ec Matajira, Ana Paula S Silva, Andrea M Moreno
Livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) has been mainly related with pig farming, in Europe and North America, with the ST398 as the most commonly identified type of LA-MRSA. Here we present the draft genome of the first vancomycin-intermediate MRSA ST398/t9538 isolated from a swine presenting exudative epidermitis in Brazil.
October 2016: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/27660260/40-years-of-veterinary-papers-in-jac-what-have-we-learnt
#18
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/27640079/comparison-of-livestock-associated-and-health-care-associated-mrsa-genes-virulence-and-resistance
#19
COMPARATIVE STUDY
Nico T Mutters, Christian P Bieber, Catherine Hauck, Gerald Reiner, Veronika Malek, Uwe Frank
Livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) may colonize and infect humans with close contact to pigs. We compared phenotypic and genotypic differences in resistance and virulence of LA-MRSA isolates from farms and farmers with hospital-acquired methicillin-resistant S. aureus (HA-MRSA) and assessed carriage rates. Samples from pigs (n=330), occupationally exposed personnel (n=63), the farm environment (n=134), and hospital patients (n=220) were obtained. Approximately 50% (166/330) of pigs were MRSA positive...
December 2016: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/27605711/molecular-epidemiology-of-staphylococcus-aureus-in-the-general-population-in-northeast-germany-results-of-the-study-of-health-in-pomerania-ship-trend-0
#20
Silva Holtfreter, Dorothee Grumann, Veronika Balau, Annette Barwich, Julia Kolata, André Goehler, Stefan Weiss, Birte Holtfreter, Stephanie S Bauerfeind, Paula Döring, Erika Friebe, Nicole Haasler, Kristin Henselin, Katrin Kühn, Sophie Nowotny, Dörte Radke, Katrin Schulz, Sebastian R Schulz, Patricia Trübe, Chi Hai Vu, Birgit Walther, Susanne Westphal, Christiane Cuny, Wolfgang Witte, Henry Völzke, Hans Jörgen Grabe, Thomas Kocher, Ivo Steinmetz, Barbara M Bröker
Population-based studies on Staphylococcus aureus nasal colonization are scarce. We examined the prevalence, resistance, and molecular diversity of S. aureus in the general population in Northeast Germany. Nasal swabs were obtained from 3,891 adults in the large-scale population-based Study of Health in Pomerania (SHIP-TREND). Isolates were characterized using spa genotyping, as well as antibiotic resistance and virulence gene profiling. We observed an S. aureus prevalence of 27.2%. Nasal S. aureus carriage was associated with male sex and inversely correlated with age...
November 2016: Journal of Clinical Microbiology
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