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High prevalence of clonally diverse spa type t026 Staphylococcus aureus contaminating rural eggshells.

Abstract The presence of Staphylococcus aureus in poultry and poultry products, including eggs, increases its potential to enter the food chain, resulting in foodborne diseases. In this context, eggshell colonization by staphylococci may represent a risk factor. This study aimed to investigate the contamination of rural eggshell by S. aureus and to characterize the key features of the isolated strains.
PMID
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Authors

Mayor MeshTerms
Keywords
Journal Title journal of medical microbiology
Publication Year Start




PMID- 28786785
OWN - NLM
STAT- In-Process
DA  - 20170808
LR  - 20170821
IS  - 1473-5644 (Electronic)
IS  - 0022-2615 (Linking)
VI  - 66
IP  - 8
DP  - 2017 Aug
TI  - High prevalence of clonally diverse spa type t026 Staphylococcus aureus
      contaminating rural eggshells.
PG  - 1196-1201
LID - 10.1099/jmm.0.000540 [doi]
AB  - PURPOSE: The presence of Staphylococcus aureus in poultry and poultry products,
      including eggs, increases its potential to enter the food chain, resulting in
      foodborne diseases. In this context, eggshell colonization by staphylococci may
      represent a risk factor. This study aimed to investigate the contamination of
      rural eggshell by S. aureus and to characterize the key features of the isolated 
      strains. METHODOLOGY: Antibiotic resistance was assessed by disc diffusion.
      Resistant isolates were analysed by PCR for the identification of associated
      genetic determinants of resistance. PCR was also used to screen for the presence 
      of genes coding for toxins, namely, sea, sec, sei, sem, seo and tst. The genetic 
      characterization was extended by means of agr locus typing and spa typing.
      RESULTS: 34 S. aureus were isolated. Macrolide- and tetracycline-resistant
      strains were prevalent. All strains were susceptible to oxacillin, cefoxitin and 
      trimethoprim-sulfamethoxazole. PCR screening for genes encoding enterotoxins
      detected several virulence patterns, which, together with spa-typing and
      agr-locus typing, allowed cluster analysis and the description of novel clones.
      CONCLUSION: Continuous monitoring of staphylococci is needed also in rural or
      natural settings. Increasing the number of samples and expanding the geographical
      region will be needed to further extend the significance of the study.
FAU - Bencardino, Daniela
AU  - Bencardino D
AD  - 1School of Biosciences and Veterinary Medicine, University of Camerino, Camerino,
      Italy 2Microbiology Unit, School of Pharmacy, University of Camerino, Camerino,
      Italy.
FAU - Vitali, Luca A
AU  - Vitali LA
AD  - 2Microbiology Unit, School of Pharmacy, University of Camerino, Camerino, Italy.
FAU - Petrelli, Dezemona
AU  - Petrelli D
AD  - 1School of Biosciences and Veterinary Medicine, University of Camerino, Camerino,
      Italy.
LA  - eng
PT  - Journal Article
DEP - 20170808
PL  - England
TA  - J Med Microbiol
JT  - Journal of medical microbiology
JID - 0224131
EDAT- 2017/08/09 06:00
MHDA- 2017/08/09 06:00
CRDT- 2017/08/09 06:00
AID - 10.1099/jmm.0.000540 [doi]
PST - ppublish
SO  - J Med Microbiol. 2017 Aug;66(8):1196-1201. doi: 10.1099/jmm.0.000540. Epub 2017
      Aug 8.