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Article

AI-2 quorum sensing affects antibiotic susceptibility in Streptococcus anginosus.

The Journal of antimicrobial chemotherapy - 1 Jul 2007

Ahmed Nibras A A M, Petersen Fernanda C, Scheie Anne Aamdal

Abstract excerpt

OBJECTIVES: The concern over rising antibiotic resistance necessitates exploration of alternative approaches in antimicrobial therapy. Bacterial communities use the auto-inducer 2 (AI-2) quorum sensing signal at a specific threshold level for intra- and interspecies communication in order to regulate virulence behaviour. AI-2 signal production occurs in bacteria that possess a luxS homologue. In this study, we...

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Identifiers

PMID: 17491000
DOI: 10.1093/jac/dkm124

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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AI-2 quorum sensing affects antibiotic susceptibility in Streptococcus anginosus.PMID 17491000Read ↗

AI-2-mediated signalling in bacteria.Semantic proximity Read ↗

AI-2-dependent gene regulation in Staphylococcus epidermidis.Semantic proximity Read ↗

Functional analysis of the group A streptococcal luxS/AI-2 system in metabolism, adaptation to stress and interaction with host cellsSemantic proximity Read ↗

Role of luxS in immune evasion and pathogenicity of piscine Streptococcus agalactiae is not dependent on autoinducer-2.Semantic proximity Read ↗

Natural genome diversity of AI-2 quorum sensing in Escherichia coli: conserved signal production but labile signal reception.Semantic proximity Read ↗

Staphylococcus aureus autoinducer-2 quorum sensing decreases biofilm formation in an icaR-dependent mannerSemantic proximity Read ↗

<i>Enterococcus faecalis</i> V583 LuxS/AI-2 system is devoid of role in intra-species quorum-sensing but contributes to virulence in a <i>Drosophila</i> host modelSemantic proximity Read ↗

luxS mutants of Serratia defective in autoinducer-2-dependent 'quorum sensing' show strain-dependent impacts on virulence and production of carbapenem and prodigiosin.Semantic proximity Read ↗

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luxS and arcB control aerobic growth of Actinobacillus actinomycetemcomitans under iron limitation.Semantic proximity Read ↗

Autoinducer 2: a concentration-dependent signal for mutualistic bacterial biofilm growth.Semantic proximity Read ↗

Heterologous expression of sahH reveals that biofilm formation is autoinducer-2-independent in Streptococcus sanguinis but is associated with an intact activated methionine cycle.Semantic proximity Read ↗

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