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- W605704811 abstract "Le sujet d'etude de la presente these porte sur l'analyse des fonctions du gene appele /codY /dans la formation de biofilm chez la bacterie /Staphylococcus aureus/. Le gene /codY/ code pour une proteine capable de s'activer en fixant les acides amines branches et le GTP. CodY est capable de reprimer l'expression d'une multitude d'autres genes en se fixant sur des sequences palindromiques presentes dans l'ADN de la bacterie. Les resultats experimentaux ont montre que i) CodY active par le GTP reprime la formation de biofilm, ii) CodY se fixe sur /icaB/ et reprime l'expression de /icaADBC/ diminuant ainsi la bio-production de PIA, iii) CodY se fixe aussi dans /icaR/ et reprime l'expression de /icaR/. Finalement, le controle transcriptionel complexe de l'operon /icaADBC/ par CodY implique que cet operon est regule en fonction de l'etat nutritionnel de la bacterie, lui-meme mesure partiellement par les taux de GTP et d'isoleucine." @default.
- W605704811 created "2016-06-24" @default.
- W605704811 creator A5011658344 @default.
- W605704811 date "2011-01-01" @default.
- W605704811 modified "2023-09-27" @default.
- W605704811 title "The GTP-dependant pleiotropic repressor CodY regulates biofilm formation in Staphylococcus aureus" @default.
- W605704811 hasPublicationYear "2011" @default.
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