BifidobacteriumProbioticsBifidobacteriales InfectionsMethanobrevibacterCultured Milk ProductsGenome, BacterialBacterial ProteinsYogurtProteomeGastrointestinal TractSequence Analysis, DNAMolecular Sequence DataClustered Regularly Interspaced Short Palindromic RepeatsLactobacillusImmunity, ActiveDNA, BacterialColony Count, MicrobialDNA FingerprintingLactobacillus reuteriPlasminogenLactobacillus rhamnosusFeces