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Articles 31 - 31 of 31
Full-Text Articles in Medicine and Health Sciences
Stochastic Expression Of Sae-Dependent Virulence Genes During Staphylococcus Aureus Biofilm Development Is Dependent On Saes, Elizabeth A. Delmain, Derek E. Moormeier, Jennifer L. Endres, Rebecca E. Hodges, Marat R. Sadykov, Alexander R. Horswill, Kenneth W. Bayles
Stochastic Expression Of Sae-Dependent Virulence Genes During Staphylococcus Aureus Biofilm Development Is Dependent On Saes, Elizabeth A. Delmain, Derek E. Moormeier, Jennifer L. Endres, Rebecca E. Hodges, Marat R. Sadykov, Alexander R. Horswill, Kenneth W. Bayles
Journal Articles: Pathology and Microbiology
The intricate process of biofilm formation in the human pathogen Staphylococcus aureus involves distinct stages during which a complex mixture of matrix molecules is produced and modified throughout the developmental cycle. Early in biofilm development, a subpopulation of cells detaches from its substrate in an event termed “exodus” that is mediated by SaePQRS-dependent stochastic expression of a secreted staphylococcal nuclease, which degrades extracellular DNA within the matrix, causing the release of cells and subsequently allowing for the formation of metabolically heterogenous microcolonies. Since the SaePQRS regulatory system is involved in the transcriptional control of multiple S. aureus virulence factors, the …