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https://www.readbyqxmd.com/read/29113628/livestock-associated-meticillin-resistant-staphylococcus-aureus-mrsa-among-human-mrsa-isolates-european-union-european-economic-area-countries-2013
#1
Pete Kinross, Andreas Petersen, Robert Skov, Evelyn Van Hauwermeiren, Annalisa Pantosti, Frédéric Laurent, Andreas Voss, Jan Kluytmans, Marc J Struelens, Ole Heuer, Dominique L Monnet, The European Human LA-Mrsa Study Group
Currently, surveillance of livestock-associated meticillin-resistant Staphylococcus aureus (LA-MRSA) in humans in Europe is not systematic but mainly event-based. In September 2014, the European Centre for Disease Prevention and Control (ECDC) initiated a questionnaire to collect data on the number of LA-MRSA from human samples (one isolate per patient) from national/regional reference laboratories in European Union/European Economic Area (EU/EEA) countries in 2013. Identification of LA-MRSA as clonal complex (CC) 398 by multilocus sequence typing (MLST) was preferred, although surrogate methods such as spa-typing were also accepted...
November 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/29101193/methicillin-resistant-staphylococcus-aureus-sequence-type-st-5-isolates-from-health-care-and-agricultural-sources-adhere-equivalently-to-human-keratinocytes
#2
Samantha J Hau, Steven Kellner, Kirsten C Eberle, Ursula Waack, Susan L Brockmeier, Jisun S Haan, Peter R Davies, Timothy Frana, Tracy L Nicholson
Staphylococcus aureus is part of the nasal microbiome of many humans and has become a significant public health burden due to infections with antibiotic resistant strains, including methicillin resistant S. aureus (MRSA). Several lineages of S. aureus including MRSA are found in livestock species and can be acquired by humans through contact with animals. These livestock associated MRSA (LA-MRSA) isolates raise public health concerns because of the potential for livestock to act as reservoirs for MRSA outside of the hospital setting...
November 3, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29097452/draft-genome-sequences-of-14-livestock-associated-methicillin-resistant-staphylococcus-aureus-sequence-type-398-isolates-from-swine-farms-in-the-united-states
#3
Samantha J Hau, Darrell O Bayles, David P Alt, Timothy S Frana, Tracy L Nicholson
Livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) is a bacterium carried by or obtained from swine and other livestock. The initial and predominant swine-associated LA-MRSA sequence type (ST) identified is ST398. Here, we present 14 draft genome sequences from LA-MRSA ST398 isolates found in the United States.
November 2, 2017: Genome Announcements
https://www.readbyqxmd.com/read/29097451/draft-genome-sequences-of-63-swine-associated-methicillin-resistant-staphylococcus-aureus-sequence-type-5-isolates-from-the-united-states
#4
Samantha J Hau, Darrell O Bayles, David P Alt, Timothy S Frana, Tracy L Nicholson
Methicillin-resistant Staphylococcus aureus colonizes humans and other animals such as swine. Livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) sequence type 5 (ST5) isolates are a public concern due to their pathogenicity and ability to acquire mobile genetic elements. This report presents draft genome sequences for 63 LA-MRSA ST5 isolates in the United States.
November 2, 2017: Genome Announcements
https://www.readbyqxmd.com/read/29048488/clinical-and-molecular-features-of-mdr-livestock-associated-mrsa-st9-with-staphylococcal-cassette-chromosome-mecxii-in-humans
#5
Chih-Jung Chen, Tsai-Ling Yang Lauderdale, Chin-Te Lu, Yu-Yu Chuang, Chien-Chang Yang, Ting-Shu Wu, Chun-Yi Lee, Min-Chi Lu, Wen-Chien Ko, Yhu-Chering Huang
Objectives: Clonal complex (CC) 9 is a prevalent livestock-associated (LA) MRSA clone in Asia whose pathogenicity in humans remains unknown. Methods: In 2012, we identified a patient with CC9-MRSA infection linked to livestock. After screening 3328 clinical MRSA isolates from a national database, eight isolates (0.24%) collected between 1998 and 2012 were further confirmed to be of CC9. The detailed molecular features of the nine human CC9 strains and phylogenetic relatedness to animal CC9 strains were characterized with WGS...
October 18, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29025945/draft-genome-sequences-of-nine-livestock-associated-methicillin-resistant-staphylococcus-aureus-sequence-type-5-isolates-obtained-from-humans-after-short-term-swine-contact
#6
Samantha J Hau, Darrell O Bayles, David P Alt, Timothy S Frana, Tracy L Nicholson
Livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) sequence type 5 (ST5) has raised concerns surrounding the potential for these isolates to colonize or cause disease in humans with swine contact. Here, we report draft genome sequences for nine LA-MRSA ST5 isolates obtained from humans after short term swine contact.
October 12, 2017: Genome Announcements
https://www.readbyqxmd.com/read/29025944/draft-genome-sequences-of-nine-livestock-associated-methicillin-resistant-staphylococcus-aureus-sequence-type-5-isolates-from-humans-with-long-term-swine-contact
#7
Samantha J Hau, Darrell O Bayles, David P Alt, Peter R Davies, Jisun S Haan, Tracy L Nicholson
Humans have been found to harbor livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) isolates. LA-MRSA isolates are considered adapted to colonizing livestock and less pathogenic in humans than their hospital- and community-acquired counterparts. Here, we present nine LA-MRSA sequence type 5 isolates from veterinarians with long-term swine contact.
October 12, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28963329/antimicrobial-resistance-update-la-mrsa
#8
(no author information available yet)
No abstract text is available yet for this article.
September 30, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28804601/policy-implementation-for-methicillin-resistant-staphylococcus-aureus-in-seven-european-countries-a-comparative-analysis-from-1999-to-2015
#9
Takuya Kinoshita, Hironobu Tokumasu, Shiro Tanaka, Axel Kramer, Koji Kawakami
Background: Policies to reduce methicillin-resistant Staphylococcus aureus (MRSA) infections, both healthcare-acquired (HA-MRSA) and livestock-associated (LA-MRSA) are implemented Europe-wide, but evaluations are difficult for countries yet to implement such policies. A descriptive study was conducted, describing multinational MRSA rates and policy implementation, focusing on MRSA mandatory surveillance. We also investigated antibiotic use and MRSA rates and the use of veterinary antibiotics. Methods: This study used Europe-wide surveillance data on infectious diseases (EARS-Net), antibiotic consumption (ESAC-Net), and veterinary medicine (ESVAC)...
2017: Journal of Market Access & Health Policy
https://www.readbyqxmd.com/read/28798188/complete-genome-sequence-of-a-livestock-associated-methicillin-resistant-staphylococcus-aureus-sequence-type-5-isolate-from-the-united-states
#10
Samantha J Hau, Darrell O Bayles, David P Alt, Timothy S Frana, Tracy L Nicholson
Livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) may be the largest MRSA reservoir outside the hospital setting. One concern with LA-MRSA is the acquisition of novel mobile genetic elements by these isolates. Here, we report the complete genome sequence of a swine LA-MRSA sequence type 5 isolate from the United States.
August 10, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28798187/complete-genome-sequence-of-livestock-associated-methicillin-resistant-staphylococcus-aureus-sequence-type-398-isolated-from-swine-in-the-united-states
#11
Samantha J Hau, Darrell O Bayles, David P Alt, Timothy S Frana, Tracy L Nicholson
Methicillin-resistant Staphylococcus aureus (MRSA) colonizes and causes disease in many animal species. Livestock-associated MRSA (LA-MRSA) isolates are represented by isolates of the sequence type 398 (ST398). These isolates are considered to be livestock adapted. This report provides the complete genome sequence of one swine-associated LA-MRSA ST398 isolate from the United States.
August 10, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28757038/livestock-associated-methicillin-resistant-staphylococcus-aureus-is-widespread-in-farmed-mink-neovison-vison
#12
Julie Elvekjær Hansen, Anders Rhod Larsen, Robert Leo Skov, Mariann Chriél, Gitte Larsen, Øystein Angen, Jesper Larsen, Desireé Corvera Kløve Lassen, Karl Pedersen
Livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) clonal complex (CC) 398 is widespread in the Danish pig production with around 90% of herds being positive. Since 2009, cases of CC398 LA-MRSA infections in Danish mink farmers have been observed. The objective of the study was to examine the presence of LA-MRSA in farmed mink. The investigation comprised three different sample types 1) clinical samples from carcasses submitted to the laboratory for diagnostic examination, 2) paws and pharyngeal swabs from healthy animals collected at pelting, and 3) feed samples from mink feed producers...
August 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28749335/evaluation-of-a-widely-used-culture-based-method-for-detection-of-livestock-associated-meticillin-resistant-staphylococcus-aureus-mrsa-denmark-and-norway-2014-to-2016
#13
Jesper Larsen, Marianne Sunde, Md Zohorul Islam, Anne Margrete Urdahl, Aina Steihaug Barstad, Anders Rhod Larsen, Carl Andreas Grøntvedt, Øystein Angen
We evaluated a widely used culture-based method for detection of livestock-associated meticillin-resistant Staphylococcus aureus (LA-MRSA) in samples collected from pigs and the environment inside pig stables in Denmark and Norway. Selective enrichment in tryptic soy broth containing cefoxitin and aztreonam led to a high ratio of false-negative results (26%; 57/221). On this basis, we recommend reconsidering the use of selective enrichment for detection of LA-MRSA in animal and environmental samples.
July 13, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28706213/transmission-of-highly-virulent-community-associated-mrsa-st93-and-livestock-associated-mrsa-st398-between-humans-and-pigs-in-australia
#14
S Sahibzada, S Abraham, G W Coombs, S Pang, M Hernández-Jover, D Jordan, J Heller
Pigs have been recognised as a reservoir of livestock associated methicillin-resistant Staphylococcus aureus (LA-MRSA) in Europe, Asia and North America. However, little is known about the presence and distribution of MRSA in the Australian pig population and pig industry. This study describes the presence, distribution and molecular characteristics of the human adapted Australian CA-MRSA ST93 isolated from pigs, people, and the environment within a piggery. Isolates were subjected to antibiotic susceptibility testing, DNA microarray, whole genome sequencing, multi locus sequence typing, virulence and resistance gene characterization and phylogenetic analysis...
July 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28600216/molecular-epidemiology-and-antibiotic-resistance-of-methicillin-resistant-staphylococcus-aureus-circulating-in-the-russian-federation
#15
Vladimir Gostev, Alexander Kruglov, Olga Kalinogorskaya, Olga Dmitrenko, Olga Khokhlova, Tatsuo Yamamoto, Yuri Lobzin, Irina Ryabchenko, Sergey Sidorenko
The aim of this study was to investigate the patterns of antimicrobial resistance and molecular features of methicillin-resistant Staphylococcus aureus (MRSA) isolates in Russia. Isolates recovered from hospital patients (n=480), healthy medical personnel (n=25), and healthy carriers (n=13) were included in the study. Hospital-acquired MRSA (HA-MRSA) demonstrated high resistance to ciprofloxacin, gentamicin, and chloramphenicol (76%-92%), moderate - to tetracycline, erythromycin, clindamycin, and rifampicin (38%-54%), and low - to fusidic acid, co-trimoxazole, mupirocin, and daptomycin (2%-7%)...
June 7, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28596409/draft-genome-sequence-of-a-sequence-type-398-methicillin-resistant-staphylococcus-aureus-isolate-from-a-danish-dairy-cow-with-mastitis
#16
Troels Ronco, Marc Stegger, Karl Pedersen
Livestock-associated (LA) methicillin-resistant Staphylococcus aureus (MRSA) strains of sequence type 398 (ST398) colonize both humans and various livestock species. In 2016, an ST398 LA-MRSA isolate (Sa52) was collected from a Danish dairy cow with mastitis, and here, we report the draft genome sequence of strain Sa52.
June 8, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28575216/emergence-of-livestock-associated-methicillin-resistant-staphylococcus-aureus-bloodstream-infections-in-denmark
#17
Jesper Larsen, Andreas Petersen, Anders R Larsen, Raphael N Sieber, Marc Stegger, Anders Koch, Frank M Aarestrup, Lance B Price, Robert L Skov
Background: Livestock-associated methicillin-resistant Staphylococcus aureus clonal complex 398 (LA-MRSA CC398) is causing an increasing number of skin and soft tissue infections (SSTIs) in Denmark and other European countries with industrial pig production. Yet, its impact on MRSA bloodstream infections (BSIs) has not been well studied. Methods: We investigated the clinical epidemiology of all human cases of LA-MRSA CC398 BSI during 2010-2015. Cases of LA-MRSA CC398 BSI were compared to cases of BSI caused by other types of MRSA and cases of SSTI caused by LA-MRSA CC398...
May 30, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28567211/methicillin-resistant-staphylococcus-aureus-not-detected-in-swedish-nucleus-and-multiplying-pig-herds
#18
Helle Ericsson Unnerstad, Helene Wahlström, Benedicta Molander, Björn Bengtsson
Introduction: Livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) has emerged among pigs in many countries. MRSA in the pig population constitute a reservoir with risk for transmission to humans in close contact with pigs. Absence of MRSA in the top of the breeding pyramid would prevent spread to the rest of the pig population. The aim of this study was to investigate the occurrence of MRSA in nucleus and multiplying pig herds in Sweden. Materials and methods: All nucleus and multiplying pig herds in Sweden present in 2011 (n = 53) and 2014 (n = 39) were sampled for MRSA...
2017: Infection Ecology & Epidemiology
https://www.readbyqxmd.com/read/28526788/zinc-resistance-within-swine-associated-methicillin-resistant-staphylococcus-aureus-isolates-in-the-united-states-is-associated-with-multilocus-sequence-type-lineage
#19
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 398 (ST398) is primarily mediated by the czrC gene colocated with the mecA gene, encoding methicillin resistance, within the type V staphylococcal cassette chromosome mec (SCCmec) element. Because czrC and mecA are located within the same mobile genetic element, it has been suggested that the use of zinc in feed as an antidiarrheal agent has the potential to contribute to the emergence and spread of methicillin-resistant S...
August 1, 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
#20
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
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