Abstract:Probiotics have been widely used to improve impaired gastro-intestinal motility, yet their efficacy varied substantially across strains. Here, by a large-scale genetic screen plus in vivo measurements, we identified a key genetic factor (abfA cluster governing arabinan utilization) in probiotic Bifidobacterium longum harnessing the treatment efficacy against functional constipation (FC). Intriguingly, it also presents in a range of gut resident microbiota and played a protective role against FC. Next, our long… Show more
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