Effects of probiotics in human evolutional model

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We have been analyzing the oral flora in chimpanzee by the pyrosequencing method, and found the major family was Veillonellaceae, which was different from human oral flora. We have also found a novel mutans streptococci in chimpanzee oral cavities, and named as “Streptococcus troglodytae”, which was different kind of indigenous streptococci isolated from human and monkey. These results suggest that the investigation of chimpanzee oral cavities may contribute human oral health, because the oral flora has been evolved with the host evolution.