Cross-country culinary microbes: Uncovering a shared kitchen microbiota across European homes Kitchen Microbiota MicrobialDiversity Europe Bacterial KitchenHygiene CleaningUtensils KitchenSurfaces MicrobialDistribution Microbiology AppEnvMicro
By Tarun Sai LomteJun 4 2023Reviewed by Benedette Cuffari, M.Sc. Humans are constantly exposed to diverse microbes, which can have positive and adverse health effects. Considerable exposure the these microorganisms occurs indoors, with the highest bacterial colonization reported in the kitchen. To date, no study has compared microbial communities in households across countries, which is necessary to determine if a core kitchen microbiota exists.
Samples from cleaning sponges and cloths were obtained after food preparation and subsequently subjected to deoxyribonucleic acid extraction and 16S ribosomal ribonucleic acid gene sequencing. Alpha diversity was analyzed using the Shannon index, observed features, and Faith’s phylogenetic diversity.
Related StoriesThe most abundant genera and families were Acinetobacter, Pseudomonas, Enhydrobacter, Enterobacteriaceae, and Yersiniaceae. Forty-five sOTUs were identified in the Acinetobacter genus, with A. johnsonii being the most frequent Acinetobacter species. Alpha diversity significantly differed between sample types and across countries. For example, samples from Portugal had fewer observed sOTUs than those from Norway and France, whereas samples from Norway, Hungary, and France had similar levels of Alpha diversity.
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