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A species of Streptococcus that occurs in the human oral cavity and upper respiratory tract. It is a constituent of DENTAL PLAQUE and some strains may be pathogenic if they enter the bloodstream. However, other strains such as Streptococcus salivarius K12 produce BACTERIOCINS and are used as PROBIOTICS.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000070001 · MeSH 2026。
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