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Full-Text Articles in Medical Specialties

Ligand-Signaled Upregulation Of Enterococcus Faecalis Ace Transcription, A Mechanism For Modulating Host-E Faecalis Interaction, Sreedhar R Nallapareddy, Barbara E Murray Sep 2006

Ligand-Signaled Upregulation Of Enterococcus Faecalis Ace Transcription, A Mechanism For Modulating Host-E Faecalis Interaction, Sreedhar R Nallapareddy, Barbara E Murray

Journal Articles

Enterococcus faecalis, the third most frequent cause of bacterial endocarditis, appears to be equipped with diverse surface-associated proteins showing structural-fold similarity to the immunoglobulin-fold family of staphylococcal adhesins. Among the putative E. faecalis surface proteins, the previously characterized adhesin Ace, which shows specific binding to collagen and laminin, was detectable in surface protein preparations only after growth at 46 degrees C, mirroring the finding that adherence was observed in 46 degrees C, but not 37 degrees C, grown E. faecalis cultures. To elucidate the influence of different growth and host parameters on ace expression, we investigated ace expression using E. …


The Dynamic Proteome Of Lyme Disease Borrelia, Steven J Norris Jan 2006

The Dynamic Proteome Of Lyme Disease Borrelia, Steven J Norris

Journal Articles

The proteome of the spirochete bacterium Borrelia burgdorferi, the tick-borne agent of Lyme disease, has been characterized by two different approaches using mass spectrometry, providing a launching point for future studies on the dramatic changes in protein expression that occur during transmission of the bacterium between ticks and mammals.