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. Author manuscript; available in PMC: 2012 Nov 1.

Published in final edited form as: Gastroenterology. 2011 Jul 8;141(5):1782–1791. doi: 10.1053/j.gastro.2011.06.072

IBS-C: IBS with constipation (n=41 samples), IBS-U: unsubtyped IBS (n=22 samples). Bray-Curtis analysis was used to generate a matrix of pairwise sample dissimilarities between communities. The scatterplot was generated from the matrix of distances using principal components analysis. Data were generated by 454 pyrosequencing (V1–V3 region only, 2 replicates per sample).

Inline graphic — IBS-C: IBS with constipation (n=41 samples), IBS-U: unsubtyped IBS (n=22 samples). Bray-Curtis analysis was used to generate a matrix of pairwise sample dissimilarities between communities. The scatterplot was generated from the matrix of distances using principal components analysis. Data were generated by 454 pyrosequencing (V1–V3 region only, 2 replicates per sample).