Probiotic formula intervention in infants leads to colonization and competitive strain displacement independent of IgA binding
Michael Vig Merino, Svenja Weißenberger, Anastasia Ermolova, Elise Dhilly, Roan Spadazzi, Lior Levy, María Carmen Collado, Tomer Hertz, Hélène Omer, Vitor Heidrich, Nicola Segata, Martin Larsen, Melanie Schirmer, Dirk Haller
The paper investigates how probiotic interventions in infants affect bacterial strain dynamics and immune responses, finding that specific strains are displaced regardless of IgA binding.
bioRxiv · Jun 4, 2026 · PreprintMicrobiology