TABLE 1

Specific components of the microbiota during human protozoan infection

ProtozoanMicrobiota componentInfluenceReference
E. histolyticaPrevotellaceaePredicted infection38
E. histolyticaPrevotella copriPredicted diarrhea39
CryptosporidiumProteobacteria, Firmicutes, Escherichia coli CFT073, Bacillus spp., Clostridium spp.Increased relative abundance in Cryptosporidium-negative subjects42
G. duodenalisBifidobacteriumIncreased relative abundance in Giardia-positive subjects47
BlastocystisClostridia, EnterobacteriaceaeIncreased Clostridia levels but lower Enterobacteriaceae levels in Blastocystis-positive subjects50
T. vaginalisLactobacilli, Mycoplasma, Parvimonas, SneathiaDecreased lactobacilli and increased Mycoplasma, Parvimonas, and Sneathia abundances in T. vaginalis-positive subjects52
Plasmodium falciparumBifidobacterium, StreptococcusHigher proportion of Bifidobacterium and Streptococcus organisms in a low-infection-risk group4