Effect of two seaweed polysaccharides on intestinal microbiota in mice evaluated by illumina PE250 sequencing
2018
Zhang, Zhongshan | Wang, Xiaomei | Han, Shuwen | Liu, Chundong | Liu, Feng
Effect of polysaccharides from two seaweeds, Porphyra haitanensis and Ulva prolifera, on intestinal microbiota in mice was evaluated by illumina PE250 sequencing. Analysis showed significant structural changes in fecal microbiota among the three sample groups. There were significant differences in the composition of fecal microbiota among the three groups at phylum and genus levels. At the phylum level, the most predominant phylum was Bacteroidetes contributing 58.76%, 73.39%, 75.38% and 64.40% of the fecal microbiota in K, Z, H and D groups respectively, followed by Firmicutes, contributing 37.61%, 23.99%, 21.87% and 30.82% respectively. Many genera were significantly higher in the Z and H group than in the K group, including Prevotellaceae UCG-001 (p<0.05) and Rikenellaceae RC9 (p<0.01). In conclusion, our results suggest that polysaccharide type and glycoside may contribute to shaping mice gut microbiota.
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