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Article

SO-LAAO, a novel L-amino acid oxidase that enables Streptococcus oligofermentans to outcompete Streptococcus mutans by generating H2O2 from peptone.

Journal of bacteriology - 1 Jul 2008

Tong Huichun, Chen Wei, Shi Wenyuan, Qi Fengxia, Dong Xiuzhu

Abstract excerpt

We previously demonstrated that Streptococcus oligofermentans suppressed the growth of Streptococcus mutans, the primary cariogenic pathogen, by producing hydrogen peroxide (H(2)O(2)) through lactate oxidase activity. In this study, we found that the lox mutant of S. oligofermentans regained the inhibition while growing on peptone-rich plates. Further studies demonstrated that the H(2)O(2) produced on peptone by...

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PMID: 18469105
DOI: 10.1128/JB.00363-08
PMCID: PMC2446784

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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