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Food microbiology v.70, 2018년, pp.7 - 16   SCI SCIE
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Diversity of bacterial communities in French chicken cuts stored under modified atmosphere packaging

Rouger, Amélie    (Corresponding author. ONIRIS - INRA, UMR 1014 SECALIM, Route de Gachet, CS40706, 44307 Nantes cedex 3, France.  ); Moriceau, Nicolas   Prévost, Hervé   Remenant, Benoît   Zagorec, Monique  
  • 초록  

    Abstract Poultry meat, the second most consumed meat in France, is commercialized mainly as portions of chicken cuts with various quality labels, stored under various modified atmosphere packaging (MAP), with shelf-life ranging from 9 to 17 days. We used 16S rDNA pyrosequencing to describe microbiota of chicken legs. Ten samples representing a wide diversity of labels and MAP available on the market were collected from local supermarkets and stored at 4 °C. Microbiota were collected, total DNA was extracted, and V1-V3 fragment of 16S rRNA genes were amplified and sequenced. For data analysis several pipelines were compared. The Qiime pipeline was chosen to cluster reads and we used a database previously developed for a meat and fish microbial ecology study. Variability between samples was observed and a listing of bacteria present on chicken meat was established. The structure of the bacterial communities were compared with traditional cultural methods and validated with quantitative real time PCR. Brochothrix thermosphacta , Pseudomonas sp., and Carnobacterium sp. were dominant and the nature of the gas used for packaging influenced the relative abundance of each suggesting a MAP gas composition dependent competition between these species. We also noticed that slaughterhouse environment may influence the nature of the contaminants. Highlights Microbiota of chicken cuts is variable. Pyrosequencing approaches have to be combined to other methods to validate results. Slaughterhouse environment might influence the nature of the meat contaminants.


  • 주제어

    Pyrosequencing .   Chicken meat .   Spoilage .   Modified atmosphere packaging .   Microbiota.  

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