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Although 30% of the healthy human population is colonized with various Staphylococcus species, some staphylococcal strains, referred to as opportunistic pathogens, can cause minor to life-threatening diseases. The pathogenicity of these bacteria depends on their virulence factors and the robustness of the regulatory networks expressing these virulence factors. Virulence factors of pathogenic Staphylococcus spp. consist of numerous toxins, enterotoxins (some of which act as superantigens), enzymes, and proteins (cytoplasmic, extracellular, and surface) that are regulated by two-component (TC) and quorum-sensing (QS) regulatory networks. To enter this niche, some other Staphylococcus species, such as Staphylococcus simulans, produce a potent endopeptidase called lysostaphin, which can inhibit the growth of pathogenic S. aureus. Some other Staphylococcus species produce autolysins and cationic peptides to win the intra- and inter-species competition. The outcome of this microbial invasion depends not only on pathogenic factors but also on the host’s internal and external defense mechanisms, including a healthy skin microbiome. A healthy skin microbiome population can prevent colonization by other major pathogens. As normal host microflora, these commensals establish a complex relationship with the host as well as the surrounding microbial communities. This Special Issue of Microorganisms is focused on studies and recent advancements in our understanding of staphylococcal virulence mechanisms that enable Staphylococcus spp. either to successfully establish themselves as a colonizer or to overcome the host’s defense system to cause infection along with our effort to make an anti-staphylococcal vaccine.

Research & information: general --- Biology, life sciences --- biofilm --- MRSA --- silver ion --- silver sulfadiazine --- wound infections --- Staphylococcus aureus --- methicillin resistance --- human infection --- CC130 --- biomaterials --- medical devices --- HL-60 cells --- PMNs --- endotracheal tube --- titanium --- implantable devices --- nosocomial diseases --- Staphylococcus lugdunensis --- sortase A --- surface proteins --- LPXTG --- small colony variants --- influenza virus --- super-infection --- pro-inflammatory response --- rural Ghana --- molecular epidemiology --- chronic wounds --- invasive disease --- surgery-associated infection --- sepsis --- SA4Ag vaccine --- conjugated polysaccharide --- ClfA --- MntC --- protection --- animal models --- phase variation --- Staphylococcus epidermidis --- microbiota --- multidrug resistance --- genome sequencing --- phylogenetic analyses --- arthroplasty surgery --- methicillin-resistant Staphylococcus aureus (MRSA) --- community-associated MRSA (CA-MRSA) --- CA-MRSA strain USA300 --- murine skin infection model --- dermatopathology --- dermonecrosis --- neutrophil --- host antibacterial response --- cytokine --- chemokine --- physiology --- metabolism --- carbon catabolite repression --- CcpA --- HPr --- colonization --- mouse --- JSNZ --- aurintricarboxylic acid --- ATA --- adhesion inhibitor --- mupirocin --- nose --- superantigen --- mastitis --- food intoxication --- regulation --- sec variants --- CM lipids --- daptomycin resistance --- resensitization --- n/a

Choose an application

• Reference Manager
• EndNote
• RefWorks (Direct export to RefWorks)

Although 30% of the healthy human population is colonized with various Staphylococcus species, some staphylococcal strains, referred to as opportunistic pathogens, can cause minor to life-threatening diseases. The pathogenicity of these bacteria depends on their virulence factors and the robustness of the regulatory networks expressing these virulence factors. Virulence factors of pathogenic Staphylococcus spp. consist of numerous toxins, enterotoxins (some of which act as superantigens), enzymes, and proteins (cytoplasmic, extracellular, and surface) that are regulated by two-component (TC) and quorum-sensing (QS) regulatory networks. To enter this niche, some other Staphylococcus species, such as Staphylococcus simulans, produce a potent endopeptidase called lysostaphin, which can inhibit the growth of pathogenic S. aureus. Some other Staphylococcus species produce autolysins and cationic peptides to win the intra- and inter-species competition. The outcome of this microbial invasion depends not only on pathogenic factors but also on the host’s internal and external defense mechanisms, including a healthy skin microbiome. A healthy skin microbiome population can prevent colonization by other major pathogens. As normal host microflora, these commensals establish a complex relationship with the host as well as the surrounding microbial communities. This Special Issue of Microorganisms is focused on studies and recent advancements in our understanding of staphylococcal virulence mechanisms that enable Staphylococcus spp. either to successfully establish themselves as a colonizer or to overcome the host’s defense system to cause infection along with our effort to make an anti-staphylococcal vaccine.

biofilm --- MRSA --- silver ion --- silver sulfadiazine --- wound infections --- Staphylococcus aureus --- methicillin resistance --- human infection --- CC130 --- biomaterials --- medical devices --- HL-60 cells --- PMNs --- endotracheal tube --- titanium --- implantable devices --- nosocomial diseases --- Staphylococcus lugdunensis --- sortase A --- surface proteins --- LPXTG --- small colony variants --- influenza virus --- super-infection --- pro-inflammatory response --- rural Ghana --- molecular epidemiology --- chronic wounds --- invasive disease --- surgery-associated infection --- sepsis --- SA4Ag vaccine --- conjugated polysaccharide --- ClfA --- MntC --- protection --- animal models --- phase variation --- Staphylococcus epidermidis --- microbiota --- multidrug resistance --- genome sequencing --- phylogenetic analyses --- arthroplasty surgery --- methicillin-resistant Staphylococcus aureus (MRSA) --- community-associated MRSA (CA-MRSA) --- CA-MRSA strain USA300 --- murine skin infection model --- dermatopathology --- dermonecrosis --- neutrophil --- host antibacterial response --- cytokine --- chemokine --- physiology --- metabolism --- carbon catabolite repression --- CcpA --- HPr --- colonization --- mouse --- JSNZ --- aurintricarboxylic acid --- ATA --- adhesion inhibitor --- mupirocin --- nose --- superantigen --- mastitis --- food intoxication --- regulation --- sec variants --- CM lipids --- daptomycin resistance --- resensitization --- n/a