Contamination-controlled upper gastrointestinal microbiota profiling reveals salivary-duodenal community types linked to opportunistic pathogen carriage and inflammation
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The upper gastrointestinal (uGI) microbiota has been implicated in infectious, metabolic, and immunological conditions, yet remains poorly characterized due to invasive sampling and low microbial biomass. We developed and validated a contamination-controlled 1... ...
