[PDF] Top 20 Quorum sensing in Staphylococcus infections

... Staphylococcus aureus and Staphylococcus epidermidis are Gram-positive cocci that normally colonize the epithe- lial surfaces of large numbers of humans (reviewed in ref. 1). S. epidermidis is considered ... See full document

... bacterial infections in ...aeruginosa infections in animal models is of considerable impor- tance, since it demonstrates that quorum sensing is a use- ful and promising drug target in ...based ... See full document

... and Staphylococcus aureus employ cell-to-cell communication or “ quorum sensing ” (QS) systems for coordinating collective activities that depend on the actions of one or more chemically distinct ... See full document

... agr quorum sensing (QS) system composed of the response regulator, AgrA and the sensor histidine kinase, AgrC that in response to auto-inducing peptides expresses a regulatory RNA, ... See full document

... Bacteria which use quorum sensing produce and secrete signaling compounds called auto-inducers. These bacteria also have a receptor which can specifically detect the inducer. When the inducer binds to it’s ... See full document

... In contrast to experiments performed in well-mixed liquid medium in test tubes, interactions between bacterial cells in natural environments (including infections) are affected by spatial assortment and ... See full document

... GAS infections (55). If Rgg-dependent quorum sensing contrib- utes to biofilm development in vivo, and if Rgg inhibitors block this process, then GAS quorum-sensing inhibitor ... See full document

... the quorum sensing peptides EcEDF and PaEDF-1, PaEDF-2, and PaEDF-3 as a novel class of antibiotics against ...tuberculosis infections caused ... See full document

... virulence capacity of the strain, reemphasizing the antagonism between pathogeny and symbiosis (24, 26, 27). Unlike other infection-adaptive mutations we previously identified (hrpG and efpR) (24, 26, 27), the virulence ... See full document

... chronic infections. The Pseudomonas aeruginosa quorum sensing (QS) signal, 2-amino acetophenone (2-AA), is produced during acute and chronic infections and excreted in human tissues, including ... See full document

... categories of both monocyte-to-DC differentiation and matura- tion of DC after LPS stimulation. DC generated in the presence of FOH displayed impaired migration and cell spreading and a delay in forming protrusions. ... See full document

... aeruginosa infections cause significant morbidity in patients with cystic fibrosis ...lung infections. Nonsynonymous mutations in lasR, the quorum-sensing (QS) master regulator, are common in ... See full document

... different classes based on their specific structures and functions. The main QS signal molecules are acyl-homoserine lactones, AIPs (auto-inducing peptides) 31 . Gram-negative bacteria use AHLs as signaling molecules, ... See full document

... pheromone sensing pathways that are very similar to those involved in genetic competence ...environmental sensing systems that are not lim- ited to cell density, bacteriocin production, and compe- tence ... See full document

... aeruginosa infections in ...inhibited quorum sensing in a LuxR monitor ...inhibiting quorum sensing and preventing bacterial ...had quorum-sensing-inhibitory effects, ... See full document

... The results of this study indicated a relationship between agr-quorum sensing system and prevalence of virulence genes in isolated S. aureus. The preva- lence of virulence genes in agr- deficient isolates ... See full document

... anything that influences the relative fitness of cooperation and/or cheating will also influence the evolution of virulence. Theory predicts that the strain diversity within hosts can have two major influences, which act ... See full document

... associated infections display agr dysfunctions, whereas carriage of agr-negative strains by healthy individuals is unusual outside hos- pital settings (prevalence, ~4%) and is associated with previous hospital ... See full document

... of Staphylococcus aureus experimental endocarditis: emergence of gentamicin-resistant ...of Staphylococcus aureus: usefulness of various test [sic] for diagnosis and susceptibility ...of ... See full document

... IMPORTANCE Quorum-sensing mechanisms enable bacteria to communicate through small signal molecules and coordinate group ...various quorum-sensing receptors and integrate information with other ... See full document