Abstract:
:Quorum sensing has been implicated in the control of pathologically relevant bacterial behavior such as secretion of virulence factors, biofilm formation, sporulation, and swarming motility. The AI-2 quorum sensing pathway is found in both gram-positive and gram-negative bacteria. Therefore, antagonizing AI-2 quorum sensing is a possible approach to modifying bacterial behaviour. However, efforts in developing inhibitors of AI-2-mediated quorum sensing are especially lacking. High-throughput virtual screening using the V. harveyi LuxP crystal structure identified two compounds that were found to antagonize AI-2-mediated quorum sensing in V. harveyi without cytotoxicity. The sulfone functionality of these inhibitors was identified as critical to their ability to mimic the natural ligand in their interactions with Arg 215 and Arg 310 of the active site.
journal_name
ChemMedChemjournal_title
ChemMedChemauthors
Li M,Ni N,Chou HT,Lu CD,Tai PC,Wang Bdoi
10.1002/cmdc.200800076subject
Has Abstractpub_date
2008-08-01 00:00:00pages
1242-9issue
8eissn
1860-7179issn
1860-7187journal_volume
3pub_type
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