AI Article Synopsis
- The study analyzed 90 Brazilian dairy samples, categorizing them into four groups: raw material, final product, food-contact surfaces, and non-food contact surfaces, using metataxonomics based on 16S rRNA gene sequencing.
- Results indicated high alpha-diversity in final products and non-food contact surfaces, but low overall beta-diversity; samples clustered into two main groups.
- The core microbiota included various genera such as Macrococcus, Lactobacillus, and Streptococcus, suggesting that the presence of rare taxa could help develop better food protection strategies.
Article Abstract
For this research communication, 90 samples of a Brazilian dairy were combined into four groups (raw material, final product, food-contact and non-food contact surfaces) and analyzed by metataxonomics based on 16S rRNA gene sequencing. The results showed high alpha-diversity indexes for final product and non-food contact surfaces but, overall, beta-diversity indexes were low. The samples were separated in two main clusters, and the core microbiota was composed by Macrococcus, Alkaliphilus, Vagococcus, Lactobacillus, Marinilactibacillus, Streptococcus, Lysinibacillus, Staphylococcus, Clostridium, Halomonas, Lactococcus, Enterococcus, Bacillus and Psychrobacter. These results highlight that rare taxa occur in dairies, and this may aid the development of strategies for food protection.
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| http://dx.doi.org/10.1017/S0022029920000837 | DOI Listing |
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