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Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Jul 21, 2014; 20(27): 8886-8897
Published online Jul 21, 2014. doi: 10.3748/wjg.v20.i27.8886
Table 1 Summary of studies of the intestinal microbiota in patients with irritable bowel syndrome
Ref.Subject (n)MethodFinding
Si et al[35]IBS (25)CultureDecreased Bifidobacterium
Control (25)Increased Enterobacteriaceae
Malinen et al[36]IBS (27)qPCRDecreased Lactobacillus in IBS-D
Control (22)Increased Veillonella in IBS-C
Mättö et al[37]IBS (26)CultureIncreased coliform and aerob to anaerob ratio
Control (25)PCR-DGGETemporal instability
Codling et al[38]IBS (41)PCR-DGGENo difference in fecal/mucosal
Control (33)Temporal instability
Ponnusamy et al[39]IBS (11)DGGEIncreased diversity in Bacteroidetes, Lactobacillus
Control (8)qPCR-16sRNA
Tana et al[29]IBS (26)CultureIncreased Lactobacillus and Veillonella
Control (26)q-PCR
Lyra et al[40]IBS (20)qPCRIncreased Ruminococcus torques and decreased
Control (15)Clostridium thermosuccinogenes in IBS-D
Krogius-Kurikka et al[41]IBS (10)16S rRNAIncreased Proteobacteria and Firmicutes
Control (23)sequencingDecreased Actinobacteria and Bacteroidetes
Kerckhoffs et al[42]IBS (41)FISHDecreased Bifidobacterium
Control (26)qPCR
Kassinen et al[43]IBS (24)16S rRNADecreased Collinsella aerofaciens, Clostridium cocleatum, and Coprococcus eutactus
Control (23)sequencing
Maukonen et al[44]IBS (24)PCR-DGGEDecreased Clostridium coccoides
Control (16)Temporal instability
Jeffery et al[46]IBS (37)16S rRNAIncreased ratio of Firmicutes to Bacteroidetes
Control (20)pyrosequencingClustering in IBS