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Coordinated bacterial behaviour

Coordinated bacterial behaviour. Skin diseases. Wound infection. Biofilm formation. Swarming motility. Quorum Sensing = Intercellular Signaling. Bioluminescence. Fruit body formation. Yoghurt production. Symbiosis. Pathogenicity. AHLs. Sin quorum sensing:

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Coordinated bacterial behaviour

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  1. Coordinated bacterial behaviour Skin diseases Woundinfection Biofilm formation Swarmingmotility Quorum Sensing = Intercellular Signaling Bioluminescence Fruitbody formation Yoghurtproduction Symbiosis Pathogenicity

  2. AHLs Sin quorum sensing: a system of transcription control after 3 d on agar AHLs nutrientlimitation SinR SinI sinR- sinI- AHLs ExpR AHLs AHLs expR- WT AHLs A moredetailed description nutrientlimitation activation QS behaviour AHLs AHLs SinR SinI SinR SinR SinI SinR SinI ExpR AHLs ExpR ExpR AHLs ExpR AHLs resting state positive feedback negative feedback

  3. log growth intermediate growth stat. phase expressionofgreenfluorescentproteinfrom thesinIpromoter resting state nutrient limitation activation positive feeback negative feedback nutrientlimitation AHL concentration 0-5 nM 5-20 nM 20-1000 nM in growth medium: AHLs AHLs SinR SinI SinR SinR SinI SinR SinI ExpR AHLs ExpR ExpR AHLs ExpR AHLs stat. phase & lag phase log growth log growth intermediate stage

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