Dietary Chitosan Supplementation Increases Microbial Diversity and Attenuates the Severity of Citrobacter rodentium Infection in Mice

Table 1

Comparative results of 16S rRNA gene libraries’ phylotype coverage and diversity at 97% similarity based on pyrosequencing analysis ().

	Number of reads	Number of OUT	Coverage	Richness estimator		Diversity index
				Ace (95% Cl)	Chao (95% Cl)	Shannon (95% Cl)	Simpson (95% Cl)
Colon
Control	12,568	37	99.88%	53 (43–86)	58 (43–112)	0.72 (0.69–0.74)	0.68 (0.66–0.70)
COS	12,794	46	99.88%	62 (52–87)	56 (50–81)	0.88 (0.85–0.90)	0.59 (0.58–0.60)
Feces
Control	11,521	314	99.90%	324 (312–344)	329 (314–357)	4.17 (4.23–4.39)	0.025 (0.024–0.026)
COS	10,956	271	99.43%	304 (289–333)	302 (281–337)	4.05 (4.01–4.08)	0.033 (0.032–0.034)