Abstract
AbstractWhile functions of the gastrointestinal (GI) microbiome include maintenance of immune homeostasis and protection against infectious disease, its role in determining disease severity duringPlasmodiuminfection has been limited to mouse models and observational human cohorts. Here, we performed controlledPlasmodiuminfection in both humans and rhesus macaques (RMs) to experimentally determine the impact of GI microbiome composition on disease progression. Through analysis of serially collected microbiome samples, we identified a high-risk microbial signature that strongly associated with increased risk of developing severe parasitemia in human participants. Importantly, we identified a parallel phenomenon in RMs. The combined weight of this evidence demonstrates that pre-infection GI microbiome composition is highly indicative ofP. falciparumdisease risk. Moreover, our observation thatP. fragile-microbiome dynamics in RMs closely mirrorsP. falciparum-microbiome interactions in humans strongly supports the use of this model in pre-clinical investigations of novel microbiome-targeting approaches to reduce malaria burden.
Publisher
Cold Spring Harbor Laboratory
Cited by
1 articles.
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