A study looks at bacterial strain sharing across individuals, including intra-household, intra-population, and mother-to-infant patterns, using more than 9,700 human metagenomes from different geographical areas and lifestyles NBThighlight
. Partners were defined as couples that share a household. Populations were classified on the basis of their westernization status , considered as the adoption of a westernized lifestyle and not in geographical terms, and defined as intake of diets typically rich in highly processed foods , access to healthcare and pharmaceutical products, hygiene and sanitation conditions, reduced exposure to livestock, and increased population density.
, it enables insight into the association of person-to-person microbiome transmission with host lifestyle.A total of 14 mothers and 13 of their infants below 1 year of age in rural areas in Argentina —considered here as a non-westernized population—were enroled in the study. DNA was extracted from faecal samples using the QIAamp DNA stool kit following the manufacturer’s instructions.
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