Altered Intestinal Microbiota with Increased Abundance of Prevotella Is Associated with High Risk of Diarrhea-Predominant Irritable Bowel Syndrome

Figure 2

Quantity of different bacterial phylotypes in IBS-D and healthy controls (CON) measured by qPCR. IBS-D patients displayed a striking abundance of Prevotella while Bacteroides, Bifidobacterium, and Lactobacillus were significantly decreased in IBS-D compared with healthy controls. values were calculated with the Mann–Whitney test. , versus the control group.

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