DNA-binding response regulator, putative.

DNA-binding response regulator, putative; Member of the two-component regulatory system ArlS/ArlR involved in the regulation of adhesion, autolysis, multidrug resistance and virulence. ArlS/ArlR affects expression of the multidrug resistance transporter NorA and interacts with both Agr (virulence accessory gene regulator) (negatively) and SarA (staphylococcal accessory regulator) (positively) to modulate several virulence factor genes, including ssp (serine protease), spa (surface protein A) and hla (alpha-hemolysin). Could inhibit biofilm development by a mechanism independent of the [...]

DNA-binding response regulator, putative.

DNA-binding response regulator, putative; Member of the two-component regulatory system HssS/HssR involved in intracellular heme homeostasis and tempering of staphylococcal virulence. Phosphorylated HssR binds to a direct repeat sequence within hrtAB promoter and activates the expression of hrtAB, an efflux pump, in response to extracellular heme, hemin, hemoglobin or blood (By similarity).

DNA-binding response regulator, putative.

Response regulator, putative; Member of the two-component regulatory system SaeR/SaeS involved in the regulation of staphylococcal virulence factors in a strain-dependent fashion. Probably functions as a transcriptional regulator via a specific DNA-binding domain, recognizing motifs near the promoter sequences of target genes. SaeR/SaeS activates the expression of exoproteins involved in adhesion and invasion of host cells, including hemolysins (Hla, Hlb), Coa, DNase, Spa and cell wall- associated proteins (Emp, Eap, FnbA). Acts probably downstream of the Agr system in the regulatory c [...]

DNA-binding response regulator, putative.

Two-component response regulator, putative; Member of the two-component regulatory system WalK/WalR that regulates genes involved in cell wall metabolism, virulence regulation, biofilm production, oxidative stress resistance and antibiotic resistance via direct or indirect regulation of autolysins. Functions as a transcription regulator by direct binding to promoter regions. Positively controls the cell wall-hydrolytic activity through regulation of atlA and lytM, as well as induces transcription of isaA, sceD, ssaA, and four ssaA- related genes. Binds directly to the lytM, ssaA and is [...]

DNA-binding response regulator, putative.

DNA-binding response regulator VraR, putative; Member of the two-component regulatory system VraS/VraR involved in the control of the cell wall peptidoglycan biosynthesis. Upon cellular stress, the histidine kinase VraS transfers the phosphoryl group onto VraR. Upon phosphorylation, VraR dimerizes at the N-terminal domain. In turn, phosphorylation-induced dimerization expand and enhance the VraR binding to its own promoter leading to increased expression and subsequent modulation of as many as 40 genes, which ultimately constitute the S.aureus response to cell wall damage. In addition, [...]

DNA-binding response regulator, putative; Member of the two-component regulatory system ArlS/ArlR involved in the regulation of adhesion, autolysis, multidrug resistance and virulence. ArlS/ArlR affects expression of the multidrug resistance transporter NorA and interacts with both Agr (virulence accessory gene regulator) (negatively) and SarA (staphylococcal accessory regulator) (positively) to modulate several virulence factor genes, including ssp (serine protease), spa (surface protein A) and hla (alpha-hemolysin). Could inhibit biofilm development by a mechanism independent of the [...]

DNA-binding response regulator, putative.

DNA-binding response regulator, putative; Member of the two-component regulatory system ArlS/ArlR involved in the regulation of adhesion, autolysis, multidrug resistance and virulence. ArlS/ArlR affects expression of the multidrug resistance transporter NorA and interacts with both Agr (virulence accessory gene regulator) (negatively) and SarA (staphylococcal accessory regulator) (positively) to modulate several virulence factor genes, including ssp (serine protease), spa (surface protein A) and hla (alpha-hemolysin). Could inhibit biofilm development by a mechanism independent of the [...]

DNA-binding response regulator VraR, putative; Member of the two-component regulatory system VraS/VraR involved in the control of the cell wall peptidoglycan biosynthesis. Upon cellular stress, the histidine kinase VraS transfers the phosphoryl group onto VraR. Upon phosphorylation, VraR dimerizes at the N-terminal domain. In turn, phosphorylation-induced dimerization expand and enhance the VraR binding to its own promoter leading to increased expression and subsequent modulation of as many as 40 genes, which ultimately constitute the S.aureus response to cell wall damage. In addition, [...]

Conserved hypothetical protein; Member of the two-component regulatory system GraR/GraS involved in resistance against cationic antimicrobial peptides (CAMPs). Upon phosphorylation by GraS, functions as a transcription regulator by direct binding to promoter regions of target genes such as adhesins, exoproteins, transporters, toxins, and proteins involved in cell wall synthesis. Down-regulates the expression of many genes involved in RNA and amino acid synthesis or glycolysis.

Response regulator receiver domain protein; Member of the two-component regulatory system HptS/HptR that regulates genes involved in hexose phosphate transport system in response to changes in extracellular phosphate sources. Activates uhpT expression to facilitate glucose-6- phosphate/G6P utilization by directly binding to its promoter. Antagonizes CcpA-dependent transcription of a subset of CcpA-regulated genes involved in antibiotic susceptibility.

Conserved hypothetical protein; Member of the two-component regulatory system GraR/GraS involved in resistance against cationic antimicrobial peptides (CAMPs). Upon phosphorylation by GraS, functions as a transcription regulator by direct binding to promoter regions of target genes such as adhesins, exoproteins, transporters, toxins, and proteins involved in cell wall synthesis. Down-regulates the expression of many genes involved in RNA and amino acid synthesis or glycolysis.

Two-component response regulator, putative; Member of the two-component regulatory system LytR/LytS that regulates genes involved in autolysis, programmed cell death, biofilm formation and cell wall metabolism. Participates also in sensing and responding to host defense cationic antimicrobial peptides (HDPs). Upon phosphorylation by LytS, functions as a transcription regulator by direct binding to promoter regions of target genes including lrgA and lrgB, to positively regulate their expression.

Conserved hypothetical protein; Member of the two-component regulatory system GraR/GraS involved in resistance against cationic antimicrobial peptides (CAMPs). Upon phosphorylation by GraS, functions as a transcription regulator by direct binding to promoter regions of target genes such as adhesins, exoproteins, transporters, toxins, and proteins involved in cell wall synthesis. Down-regulates the expression of many genes involved in RNA and amino acid synthesis or glycolysis.

Response regulator, putative; Member of the two-component regulatory system SaeR/SaeS involved in the regulation of staphylococcal virulence factors in a strain-dependent fashion. Probably functions as a transcriptional regulator via a specific DNA-binding domain, recognizing motifs near the promoter sequences of target genes. SaeR/SaeS activates the expression of exoproteins involved in adhesion and invasion of host cells, including hemolysins (Hla, Hlb), Coa, DNase, Spa and cell wall- associated proteins (Emp, Eap, FnbA). Acts probably downstream of the Agr system in the regulatory c [...]

Conserved hypothetical protein; Member of the two-component regulatory system GraR/GraS involved in resistance against cationic antimicrobial peptides (CAMPs). Upon phosphorylation by GraS, functions as a transcription regulator by direct binding to promoter regions of target genes such as adhesins, exoproteins, transporters, toxins, and proteins involved in cell wall synthesis. Down-regulates the expression of many genes involved in RNA and amino acid synthesis or glycolysis.

DNA-binding response regulator VraR, putative; Member of the two-component regulatory system VraS/VraR involved in the control of the cell wall peptidoglycan biosynthesis. Upon cellular stress, the histidine kinase VraS transfers the phosphoryl group onto VraR. Upon phosphorylation, VraR dimerizes at the N-terminal domain. In turn, phosphorylation-induced dimerization expand and enhance the VraR binding to its own promoter leading to increased expression and subsequent modulation of as many as 40 genes, which ultimately constitute the S.aureus response to cell wall damage. In addition, [...]

Response regulator receiver domain protein; Member of the two-component regulatory system HptS/HptR that regulates genes involved in hexose phosphate transport system in response to changes in extracellular phosphate sources. Activates uhpT expression to facilitate glucose-6- phosphate/G6P utilization by directly binding to its promoter. Antagonizes CcpA-dependent transcription of a subset of CcpA-regulated genes involved in antibiotic susceptibility.

Conserved hypothetical protein; Member of the two-component regulatory system GraR/GraS involved in resistance against cationic antimicrobial peptides (CAMPs). Upon phosphorylation by GraS, functions as a transcription regulator by direct binding to promoter regions of target genes such as adhesins, exoproteins, transporters, toxins, and proteins involved in cell wall synthesis. Down-regulates the expression of many genes involved in RNA and amino acid synthesis or glycolysis.

Response regulator receiver domain protein; Member of the two-component regulatory system HptS/HptR that regulates genes involved in hexose phosphate transport system in response to changes in extracellular phosphate sources. Activates uhpT expression to facilitate glucose-6- phosphate/G6P utilization by directly binding to its promoter. Antagonizes CcpA-dependent transcription of a subset of CcpA-regulated genes involved in antibiotic susceptibility.

DNA-binding response regulator, putative; Member of the two-component regulatory system KdpD/KdpE that regulates the transcription of a series of virulence factors through sensing external K(+) concentrations. Regulates also capsular polysaccharide synthesis. Upon phosphorylation by KpdD, functions as a transcriptional regulator by direct binding to promoter regions of target genes including spa, hla, aur and geh. Represses the transcription of kdpFABC operon.

Response regulator receiver domain protein; Member of the two-component regulatory system HptS/HptR that regulates genes involved in hexose phosphate transport system in response to changes in extracellular phosphate sources. Activates uhpT expression to facilitate glucose-6- phosphate/G6P utilization by directly binding to its promoter. Antagonizes CcpA-dependent transcription of a subset of CcpA-regulated genes involved in antibiotic susceptibility.

Two-component response regulator, putative; Member of the two-component regulatory system LytR/LytS that regulates genes involved in autolysis, programmed cell death, biofilm formation and cell wall metabolism. Participates also in sensing and responding to host defense cationic antimicrobial peptides (HDPs). Upon phosphorylation by LytS, functions as a transcription regulator by direct binding to promoter regions of target genes including lrgA and lrgB, to positively regulate their expression.

Response regulator receiver domain protein; Member of the two-component regulatory system HptS/HptR that regulates genes involved in hexose phosphate transport system in response to changes in extracellular phosphate sources. Activates uhpT expression to facilitate glucose-6- phosphate/G6P utilization by directly binding to its promoter. Antagonizes CcpA-dependent transcription of a subset of CcpA-regulated genes involved in antibiotic susceptibility.

Conserved hypothetical protein; Member of the two-component regulatory system NreB/NreC involved in the control of dissimilatory nitrate/nitrite reduction in response to oxygen. Phosphorylated NreC binds to a GC-rich palindromic sequence at the promoters of the nitrate (narGHJI) and nitrite (nir) reductase operons, as well as the putative nitrate transporter gene narT, and activates their expression (By similarity).

Response regulator receiver domain protein; Member of the two-component regulatory system HptS/HptR that regulates genes involved in hexose phosphate transport system in response to changes in extracellular phosphate sources. Activates uhpT expression to facilitate glucose-6- phosphate/G6P utilization by directly binding to its promoter. Antagonizes CcpA-dependent transcription of a subset of CcpA-regulated genes involved in antibiotic susceptibility.

Response regulator, putative; Member of the two-component regulatory system SaeR/SaeS involved in the regulation of staphylococcal virulence factors in a strain-dependent fashion. Probably functions as a transcriptional regulator via a specific DNA-binding domain, recognizing motifs near the promoter sequences of target genes. SaeR/SaeS activates the expression of exoproteins involved in adhesion and invasion of host cells, including hemolysins (Hla, Hlb), Coa, DNase, Spa and cell wall- associated proteins (Emp, Eap, FnbA). Acts probably downstream of the Agr system in the regulatory c [...]

Response regulator receiver domain protein; Member of the two-component regulatory system HptS/HptR that regulates genes involved in hexose phosphate transport system in response to changes in extracellular phosphate sources. Activates uhpT expression to facilitate glucose-6- phosphate/G6P utilization by directly binding to its promoter. Antagonizes CcpA-dependent transcription of a subset of CcpA-regulated genes involved in antibiotic susceptibility.

DNA-binding response regulator VraR, putative; Member of the two-component regulatory system VraS/VraR involved in the control of the cell wall peptidoglycan biosynthesis. Upon cellular stress, the histidine kinase VraS transfers the phosphoryl group onto VraR. Upon phosphorylation, VraR dimerizes at the N-terminal domain. In turn, phosphorylation-induced dimerization expand and enhance the VraR binding to its own promoter leading to increased expression and subsequent modulation of as many as 40 genes, which ultimately constitute the S.aureus response to cell wall damage. In addition, [...]

Response regulator receiver domain protein; Member of the two-component regulatory system HptS/HptR that regulates genes involved in hexose phosphate transport system in response to changes in extracellular phosphate sources. Activates uhpT expression to facilitate glucose-6- phosphate/G6P utilization by directly binding to its promoter. Antagonizes CcpA-dependent transcription of a subset of CcpA-regulated genes involved in antibiotic susceptibility.

Two-component response regulator, putative; Member of the two-component regulatory system WalK/WalR that regulates genes involved in cell wall metabolism, virulence regulation, biofilm production, oxidative stress resistance and antibiotic resistance via direct or indirect regulation of autolysins. Functions as a transcription regulator by direct binding to promoter regions. Positively controls the cell wall-hydrolytic activity through regulation of atlA and lytM, as well as induces transcription of isaA, sceD, ssaA, and four ssaA- related genes. Binds directly to the lytM, ssaA and is [...]

DNA-binding response regulator, putative; Member of the two-component regulatory system HssS/HssR involved in intracellular heme homeostasis and tempering of staphylococcal virulence. Phosphorylated HssR binds to a direct repeat sequence within hrtAB promoter and activates the expression of hrtAB, an efflux pump, in response to extracellular heme, hemin, hemoglobin or blood (By similarity).

DNA-binding response regulator, putative.

DNA-binding response regulator, putative; Member of the two-component regulatory system KdpD/KdpE that regulates the transcription of a series of virulence factors through sensing external K(+) concentrations. Regulates also capsular polysaccharide synthesis. Upon phosphorylation by KpdD, functions as a transcriptional regulator by direct binding to promoter regions of target genes including spa, hla, aur and geh. Represses the transcription of kdpFABC operon.

Response regulator receiver domain protein; Member of the two-component regulatory system HptS/HptR that regulates genes involved in hexose phosphate transport system in response to changes in extracellular phosphate sources. Activates uhpT expression to facilitate glucose-6- phosphate/G6P utilization by directly binding to its promoter. Antagonizes CcpA-dependent transcription of a subset of CcpA-regulated genes involved in antibiotic susceptibility.