Regulation of inducible peroxide stress responses
Bacteria adapt to the presence of reactive oxygen species (ROS) by increasing the expression of detoxification enzymes and protein and DNA repair functions. These responses are co-ordinated by transcription factors that regulate target genes in response to ROS. We compare three classes of peroxide-s...
Ausführliche Beschreibung
Autor*in: |
Mongkolsuk, Skorn [verfasserIn] Helmann, John D. [verfasserIn] |
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Format: |
E-Artikel |
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Erschienen: |
Oxford, UK: Blackwell Science Ltd. ; 2002 |
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Umfang: |
Online-Ressource |
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Reproduktion: |
2002 ; Blackwell Publishing Journal Backfiles 1879-2005 |
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Übergeordnetes Werk: |
In: Molecular microbiology - Oxford [u.a.] : Wiley-Blackwell, 1987, 45(2002), 1, Seite 0 |
Übergeordnetes Werk: |
volume:45 ; year:2002 ; number:1 ; pages:0 |
Links: |
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DOI / URN: |
10.1046/j.1365-2958.2002.03015.x |
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520 | |a Bacteria adapt to the presence of reactive oxygen species (ROS) by increasing the expression of detoxification enzymes and protein and DNA repair functions. These responses are co-ordinated by transcription factors that regulate target genes in response to ROS. We compare three classes of peroxide-sensing regulators: OxyR, PerR and OhrR. In all three cases, peroxides effect changes in the redox status of cysteine residues, but the molecular details are distinct. OxyR is converted into a transcriptional activator by the formation of a disulphide bond between two reactive cysteine residues. PerR is a metalloprotein that functions as a peroxide- sensitive repressor. Oxidation is modulated by metal ion composition and may also involve disulphide bond formation. OhrR represses an organic peroxide resistance protein and mediates derepression in response to organic peroxides. Peroxide sensing in this system requires a single conserved cysteine, which is oxidized to form a cysteine–sulphenic acid derivative. | ||
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10.1046/j.1365-2958.2002.03015.x doi (DE-627)NLEJ243557124 DE-627 ger DE-627 rakwb Mongkolsuk, Skorn verfasserin aut Regulation of inducible peroxide stress responses Oxford, UK Blackwell Science Ltd. 2002 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Bacteria adapt to the presence of reactive oxygen species (ROS) by increasing the expression of detoxification enzymes and protein and DNA repair functions. These responses are co-ordinated by transcription factors that regulate target genes in response to ROS. We compare three classes of peroxide-sensing regulators: OxyR, PerR and OhrR. In all three cases, peroxides effect changes in the redox status of cysteine residues, but the molecular details are distinct. OxyR is converted into a transcriptional activator by the formation of a disulphide bond between two reactive cysteine residues. PerR is a metalloprotein that functions as a peroxide- sensitive repressor. Oxidation is modulated by metal ion composition and may also involve disulphide bond formation. OhrR represses an organic peroxide resistance protein and mediates derepression in response to organic peroxides. Peroxide sensing in this system requires a single conserved cysteine, which is oxidized to form a cysteine–sulphenic acid derivative. 2002 Blackwell Publishing Journal Backfiles 1879-2005 |2002|||||||||| Helmann, John D. verfasserin aut In Molecular microbiology Oxford [u.a.] : Wiley-Blackwell, 1987 45(2002), 1, Seite 0 Online-Ressource (DE-627)NLEJ243926537 (DE-600)1501537-3 1365-2958 nnns volume:45 year:2002 number:1 pages:0 http://dx.doi.org/10.1046/j.1365-2958.2002.03015.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 45 2002 1 0 |
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10.1046/j.1365-2958.2002.03015.x doi (DE-627)NLEJ243557124 DE-627 ger DE-627 rakwb Mongkolsuk, Skorn verfasserin aut Regulation of inducible peroxide stress responses Oxford, UK Blackwell Science Ltd. 2002 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Bacteria adapt to the presence of reactive oxygen species (ROS) by increasing the expression of detoxification enzymes and protein and DNA repair functions. These responses are co-ordinated by transcription factors that regulate target genes in response to ROS. We compare three classes of peroxide-sensing regulators: OxyR, PerR and OhrR. In all three cases, peroxides effect changes in the redox status of cysteine residues, but the molecular details are distinct. OxyR is converted into a transcriptional activator by the formation of a disulphide bond between two reactive cysteine residues. PerR is a metalloprotein that functions as a peroxide- sensitive repressor. Oxidation is modulated by metal ion composition and may also involve disulphide bond formation. OhrR represses an organic peroxide resistance protein and mediates derepression in response to organic peroxides. Peroxide sensing in this system requires a single conserved cysteine, which is oxidized to form a cysteine–sulphenic acid derivative. 2002 Blackwell Publishing Journal Backfiles 1879-2005 |2002|||||||||| Helmann, John D. verfasserin aut In Molecular microbiology Oxford [u.a.] : Wiley-Blackwell, 1987 45(2002), 1, Seite 0 Online-Ressource (DE-627)NLEJ243926537 (DE-600)1501537-3 1365-2958 nnns volume:45 year:2002 number:1 pages:0 http://dx.doi.org/10.1046/j.1365-2958.2002.03015.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 45 2002 1 0 |
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10.1046/j.1365-2958.2002.03015.x doi (DE-627)NLEJ243557124 DE-627 ger DE-627 rakwb Mongkolsuk, Skorn verfasserin aut Regulation of inducible peroxide stress responses Oxford, UK Blackwell Science Ltd. 2002 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Bacteria adapt to the presence of reactive oxygen species (ROS) by increasing the expression of detoxification enzymes and protein and DNA repair functions. These responses are co-ordinated by transcription factors that regulate target genes in response to ROS. We compare three classes of peroxide-sensing regulators: OxyR, PerR and OhrR. In all three cases, peroxides effect changes in the redox status of cysteine residues, but the molecular details are distinct. OxyR is converted into a transcriptional activator by the formation of a disulphide bond between two reactive cysteine residues. PerR is a metalloprotein that functions as a peroxide- sensitive repressor. Oxidation is modulated by metal ion composition and may also involve disulphide bond formation. OhrR represses an organic peroxide resistance protein and mediates derepression in response to organic peroxides. Peroxide sensing in this system requires a single conserved cysteine, which is oxidized to form a cysteine–sulphenic acid derivative. 2002 Blackwell Publishing Journal Backfiles 1879-2005 |2002|||||||||| Helmann, John D. verfasserin aut In Molecular microbiology Oxford [u.a.] : Wiley-Blackwell, 1987 45(2002), 1, Seite 0 Online-Ressource (DE-627)NLEJ243926537 (DE-600)1501537-3 1365-2958 nnns volume:45 year:2002 number:1 pages:0 http://dx.doi.org/10.1046/j.1365-2958.2002.03015.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 45 2002 1 0 |
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10.1046/j.1365-2958.2002.03015.x doi (DE-627)NLEJ243557124 DE-627 ger DE-627 rakwb Mongkolsuk, Skorn verfasserin aut Regulation of inducible peroxide stress responses Oxford, UK Blackwell Science Ltd. 2002 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Bacteria adapt to the presence of reactive oxygen species (ROS) by increasing the expression of detoxification enzymes and protein and DNA repair functions. These responses are co-ordinated by transcription factors that regulate target genes in response to ROS. We compare three classes of peroxide-sensing regulators: OxyR, PerR and OhrR. In all three cases, peroxides effect changes in the redox status of cysteine residues, but the molecular details are distinct. OxyR is converted into a transcriptional activator by the formation of a disulphide bond between two reactive cysteine residues. PerR is a metalloprotein that functions as a peroxide- sensitive repressor. Oxidation is modulated by metal ion composition and may also involve disulphide bond formation. OhrR represses an organic peroxide resistance protein and mediates derepression in response to organic peroxides. Peroxide sensing in this system requires a single conserved cysteine, which is oxidized to form a cysteine–sulphenic acid derivative. 2002 Blackwell Publishing Journal Backfiles 1879-2005 |2002|||||||||| Helmann, John D. verfasserin aut In Molecular microbiology Oxford [u.a.] : Wiley-Blackwell, 1987 45(2002), 1, Seite 0 Online-Ressource (DE-627)NLEJ243926537 (DE-600)1501537-3 1365-2958 nnns volume:45 year:2002 number:1 pages:0 http://dx.doi.org/10.1046/j.1365-2958.2002.03015.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 45 2002 1 0 |
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10.1046/j.1365-2958.2002.03015.x doi (DE-627)NLEJ243557124 DE-627 ger DE-627 rakwb Mongkolsuk, Skorn verfasserin aut Regulation of inducible peroxide stress responses Oxford, UK Blackwell Science Ltd. 2002 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Bacteria adapt to the presence of reactive oxygen species (ROS) by increasing the expression of detoxification enzymes and protein and DNA repair functions. These responses are co-ordinated by transcription factors that regulate target genes in response to ROS. We compare three classes of peroxide-sensing regulators: OxyR, PerR and OhrR. In all three cases, peroxides effect changes in the redox status of cysteine residues, but the molecular details are distinct. OxyR is converted into a transcriptional activator by the formation of a disulphide bond between two reactive cysteine residues. PerR is a metalloprotein that functions as a peroxide- sensitive repressor. Oxidation is modulated by metal ion composition and may also involve disulphide bond formation. OhrR represses an organic peroxide resistance protein and mediates derepression in response to organic peroxides. Peroxide sensing in this system requires a single conserved cysteine, which is oxidized to form a cysteine–sulphenic acid derivative. 2002 Blackwell Publishing Journal Backfiles 1879-2005 |2002|||||||||| Helmann, John D. verfasserin aut In Molecular microbiology Oxford [u.a.] : Wiley-Blackwell, 1987 45(2002), 1, Seite 0 Online-Ressource (DE-627)NLEJ243926537 (DE-600)1501537-3 1365-2958 nnns volume:45 year:2002 number:1 pages:0 http://dx.doi.org/10.1046/j.1365-2958.2002.03015.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 45 2002 1 0 |
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Bacteria adapt to the presence of reactive oxygen species (ROS) by increasing the expression of detoxification enzymes and protein and DNA repair functions. These responses are co-ordinated by transcription factors that regulate target genes in response to ROS. We compare three classes of peroxide-sensing regulators: OxyR, PerR and OhrR. In all three cases, peroxides effect changes in the redox status of cysteine residues, but the molecular details are distinct. OxyR is converted into a transcriptional activator by the formation of a disulphide bond between two reactive cysteine residues. PerR is a metalloprotein that functions as a peroxide- sensitive repressor. Oxidation is modulated by metal ion composition and may also involve disulphide bond formation. OhrR represses an organic peroxide resistance protein and mediates derepression in response to organic peroxides. Peroxide sensing in this system requires a single conserved cysteine, which is oxidized to form a cysteine–sulphenic acid derivative. |
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Bacteria adapt to the presence of reactive oxygen species (ROS) by increasing the expression of detoxification enzymes and protein and DNA repair functions. These responses are co-ordinated by transcription factors that regulate target genes in response to ROS. We compare three classes of peroxide-sensing regulators: OxyR, PerR and OhrR. In all three cases, peroxides effect changes in the redox status of cysteine residues, but the molecular details are distinct. OxyR is converted into a transcriptional activator by the formation of a disulphide bond between two reactive cysteine residues. PerR is a metalloprotein that functions as a peroxide- sensitive repressor. Oxidation is modulated by metal ion composition and may also involve disulphide bond formation. OhrR represses an organic peroxide resistance protein and mediates derepression in response to organic peroxides. Peroxide sensing in this system requires a single conserved cysteine, which is oxidized to form a cysteine–sulphenic acid derivative. |
abstract_unstemmed |
Bacteria adapt to the presence of reactive oxygen species (ROS) by increasing the expression of detoxification enzymes and protein and DNA repair functions. These responses are co-ordinated by transcription factors that regulate target genes in response to ROS. We compare three classes of peroxide-sensing regulators: OxyR, PerR and OhrR. In all three cases, peroxides effect changes in the redox status of cysteine residues, but the molecular details are distinct. OxyR is converted into a transcriptional activator by the formation of a disulphide bond between two reactive cysteine residues. PerR is a metalloprotein that functions as a peroxide- sensitive repressor. Oxidation is modulated by metal ion composition and may also involve disulphide bond formation. OhrR represses an organic peroxide resistance protein and mediates derepression in response to organic peroxides. Peroxide sensing in this system requires a single conserved cysteine, which is oxidized to form a cysteine–sulphenic acid derivative. |
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