Gram%nega)ve+single+species+bacteria+Quorum+Sensing++...Gram%nega)ve+single+species+bacteria+Quorum+Sensing++...

Post on 28-Jan-2020

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Gram-­‐nega)ve  single  species  bacteria  Quorum  Sensing    

Low  Density   High  Density     Biofilm  

A  closer  look  inside  the  cells  1.  Diffuses  through  cell  membranes    

2.  A=aches  to  and  ac?vates  regulatory  protein    

3.  Binds  to  DNA    

4.  Crea?on  of  new  AHL      

5.  Process  repeats  

-­‐  Cell  

-­‐Acyl  Homoserine  Lactose  autoinducer    

-­‐  Ac?vator  protein  

-­‐  Chromosome  

-­‐  AHL  synthase