Abstract:
:The occurrence of vancomycin-resistant Enterococcus faecium (VREfm) in food is relevant to public health as foodborne VREfm may colonize the gut of consumers and transfer vancomycin resistance genes to the indigenous gut microbiota. Therefore, we determined occurrence and elucidated genetic traits of VREfm in Danish retail chicken meat. Three out of 40 samples (7.5%) from two slaughterhouses yielded VREfm (vancomycin MIC > 32 mg/L). This is the first report of VREfm in Danish retail poultry meat since 2010 (DANMAP). All three VREfm belonged to the sequence type ST32, cluster type CT1068. Using whole genome sequencing, we detected transposon Tn1546 harbouring the vanA operon encoding vancomycin resistance. The vanA operon was located on a 43.4 kb plasmid highly similar (99.9% identity across 97.5% of the sequence) to pVEF4, which was observed in VREfm in Norwegian poultry in 1998 and in Danish poultry in 2010. The remarkable persistence of a pVEF4-like plasmid in enterococcal populations may be explained by the presence of two independent plasmid stability systems, the ω/ε/ζ toxin-antitoxin system and the prgOPN gene cluster. Filter mating experiments showed that the pVEF4-like plasmid could transfer between E. faecium strains in vitro and that transfer occurred concomitantly with a larger, co-residing plasmid. The data presented here indicate that poultry meat constitutes a reservoir of VREfm and further investigations are needed to assess the risk of foodborne transmission to humans.
journal_name
Int J Antimicrob Agentsjournal_title
International journal of antimicrobial agentsauthors
Leinweber H,Alotaibi SMI,Overballe-Petersen S,Hansen F,Hasman H,Bortolaia V,Hammerum AM,Ingmer Hdoi
10.1016/j.ijantimicag.2018.03.019subject
Has Abstractpub_date
2018-08-01 00:00:00pages
283-286issue
2eissn
0924-8579issn
1872-7913pii
S0924-8579(18)30097-9journal_volume
52pub_type
杂志文章abstract::Herpes simplex virus (HSV) infections in immunocompromised patients are more severe and invasive than in non-immunocompromised patients. They are characterised by prolonged viral shedding and a tendency to heal more slowly. In addition, resistant viruses are exclusively isolated in immunocompromised patients, requirin...
journal_title:International journal of antimicrobial agents
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journal_title:International journal of antimicrobial agents
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journal_title:International journal of antimicrobial agents
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journal_title:International journal of antimicrobial agents
pub_type: 杂志文章,评审
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journal_title:International journal of antimicrobial agents
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journal_title:International journal of antimicrobial agents
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journal_title:International journal of antimicrobial agents
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pub_type: 杂志文章
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更新日期:2003-03-01 00:00:00
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journal_title:International journal of antimicrobial agents
pub_type: 杂志文章
doi:10.1016/0924-8579(94)90045-0
更新日期:1994-06-01 00:00:00
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journal_title:International journal of antimicrobial agents
pub_type: 临床试验,杂志文章
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更新日期:2000-11-01 00:00:00
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journal_title:International journal of antimicrobial agents
pub_type: 杂志文章
doi:10.1016/j.ijantimicag.2006.10.020
更新日期:2007-06-01 00:00:00
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journal_title:International journal of antimicrobial agents
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journal_title:International journal of antimicrobial agents
pub_type: 杂志文章
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pub_type: 杂志文章,评审
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journal_title:International journal of antimicrobial agents
pub_type: 杂志文章
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更新日期:2004-08-01 00:00:00
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pub_type: 杂志文章
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更新日期:2010-11-01 00:00:00
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pub_type: 杂志文章
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更新日期:1992-12-01 00:00:00