Heme Uptake and Utilization by Gram-Negative Bacterial Pathogens
Iron is a transition metal utilized by nearly all forms of life for essential cellular processes, such as DNA synthesis and cellular respiration. During infection by bacterial pathogens, the host utilizes various strategies to sequester iron in a process termed, nutritional immunity. To circumvent t...
Ausführliche Beschreibung
Autor*in: |
Kaylie L. Richard [verfasserIn] Brittni R. Kelley [verfasserIn] Jeremiah G. Johnson [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2019 |
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Übergeordnetes Werk: |
In: Frontiers in Cellular and Infection Microbiology - Frontiers Media S.A., 2016, 9(2019) |
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Übergeordnetes Werk: |
volume:9 ; year:2019 |
Links: |
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DOI / URN: |
10.3389/fcimb.2019.00081 |
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Katalog-ID: |
DOAJ077273591 |
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520 | |a Iron is a transition metal utilized by nearly all forms of life for essential cellular processes, such as DNA synthesis and cellular respiration. During infection by bacterial pathogens, the host utilizes various strategies to sequester iron in a process termed, nutritional immunity. To circumvent these defenses, Gram-negative pathogens have evolved numerous mechanisms to obtain iron from heme. In this review we outline the systems that exist in several Gram-negative pathogens that are associated with heme transport and utilization, beginning with hemolysis and concluding with heme degradation. In addition, Gram-negative pathogens must also closely regulate the intracellular concentrations of iron and heme, since high levels of iron can lead to the generation of toxic reactive oxygen species. As such, we also provide several examples of regulatory pathways that control heme utilization, showing that co-regulation with other cellular processes is complex and often not completely understood. | ||
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10.3389/fcimb.2019.00081 doi (DE-627)DOAJ077273591 (DE-599)DOAJ9d9b3089a1524a39967977a8dea87844 DE-627 ger DE-627 rakwb eng QR1-502 Kaylie L. Richard verfasserin aut Heme Uptake and Utilization by Gram-Negative Bacterial Pathogens 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Iron is a transition metal utilized by nearly all forms of life for essential cellular processes, such as DNA synthesis and cellular respiration. During infection by bacterial pathogens, the host utilizes various strategies to sequester iron in a process termed, nutritional immunity. To circumvent these defenses, Gram-negative pathogens have evolved numerous mechanisms to obtain iron from heme. In this review we outline the systems that exist in several Gram-negative pathogens that are associated with heme transport and utilization, beginning with hemolysis and concluding with heme degradation. In addition, Gram-negative pathogens must also closely regulate the intracellular concentrations of iron and heme, since high levels of iron can lead to the generation of toxic reactive oxygen species. As such, we also provide several examples of regulatory pathways that control heme utilization, showing that co-regulation with other cellular processes is complex and often not completely understood. iron heme hemolysins heme oxygenase hemophores heme transport Microbiology Brittni R. Kelley verfasserin aut Jeremiah G. Johnson verfasserin aut In Frontiers in Cellular and Infection Microbiology Frontiers Media S.A., 2016 9(2019) (DE-627)664968554 (DE-600)2619676-1 22352988 nnns volume:9 year:2019 https://doi.org/10.3389/fcimb.2019.00081 kostenfrei https://doaj.org/article/9d9b3089a1524a39967977a8dea87844 kostenfrei https://www.frontiersin.org/article/10.3389/fcimb.2019.00081/full kostenfrei https://doaj.org/toc/2235-2988 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2019 |
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10.3389/fcimb.2019.00081 doi (DE-627)DOAJ077273591 (DE-599)DOAJ9d9b3089a1524a39967977a8dea87844 DE-627 ger DE-627 rakwb eng QR1-502 Kaylie L. Richard verfasserin aut Heme Uptake and Utilization by Gram-Negative Bacterial Pathogens 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Iron is a transition metal utilized by nearly all forms of life for essential cellular processes, such as DNA synthesis and cellular respiration. During infection by bacterial pathogens, the host utilizes various strategies to sequester iron in a process termed, nutritional immunity. To circumvent these defenses, Gram-negative pathogens have evolved numerous mechanisms to obtain iron from heme. In this review we outline the systems that exist in several Gram-negative pathogens that are associated with heme transport and utilization, beginning with hemolysis and concluding with heme degradation. In addition, Gram-negative pathogens must also closely regulate the intracellular concentrations of iron and heme, since high levels of iron can lead to the generation of toxic reactive oxygen species. As such, we also provide several examples of regulatory pathways that control heme utilization, showing that co-regulation with other cellular processes is complex and often not completely understood. iron heme hemolysins heme oxygenase hemophores heme transport Microbiology Brittni R. Kelley verfasserin aut Jeremiah G. Johnson verfasserin aut In Frontiers in Cellular and Infection Microbiology Frontiers Media S.A., 2016 9(2019) (DE-627)664968554 (DE-600)2619676-1 22352988 nnns volume:9 year:2019 https://doi.org/10.3389/fcimb.2019.00081 kostenfrei https://doaj.org/article/9d9b3089a1524a39967977a8dea87844 kostenfrei https://www.frontiersin.org/article/10.3389/fcimb.2019.00081/full kostenfrei https://doaj.org/toc/2235-2988 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2019 |
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10.3389/fcimb.2019.00081 doi (DE-627)DOAJ077273591 (DE-599)DOAJ9d9b3089a1524a39967977a8dea87844 DE-627 ger DE-627 rakwb eng QR1-502 Kaylie L. Richard verfasserin aut Heme Uptake and Utilization by Gram-Negative Bacterial Pathogens 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Iron is a transition metal utilized by nearly all forms of life for essential cellular processes, such as DNA synthesis and cellular respiration. During infection by bacterial pathogens, the host utilizes various strategies to sequester iron in a process termed, nutritional immunity. To circumvent these defenses, Gram-negative pathogens have evolved numerous mechanisms to obtain iron from heme. In this review we outline the systems that exist in several Gram-negative pathogens that are associated with heme transport and utilization, beginning with hemolysis and concluding with heme degradation. In addition, Gram-negative pathogens must also closely regulate the intracellular concentrations of iron and heme, since high levels of iron can lead to the generation of toxic reactive oxygen species. As such, we also provide several examples of regulatory pathways that control heme utilization, showing that co-regulation with other cellular processes is complex and often not completely understood. iron heme hemolysins heme oxygenase hemophores heme transport Microbiology Brittni R. Kelley verfasserin aut Jeremiah G. Johnson verfasserin aut In Frontiers in Cellular and Infection Microbiology Frontiers Media S.A., 2016 9(2019) (DE-627)664968554 (DE-600)2619676-1 22352988 nnns volume:9 year:2019 https://doi.org/10.3389/fcimb.2019.00081 kostenfrei https://doaj.org/article/9d9b3089a1524a39967977a8dea87844 kostenfrei https://www.frontiersin.org/article/10.3389/fcimb.2019.00081/full kostenfrei https://doaj.org/toc/2235-2988 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2019 |
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10.3389/fcimb.2019.00081 doi (DE-627)DOAJ077273591 (DE-599)DOAJ9d9b3089a1524a39967977a8dea87844 DE-627 ger DE-627 rakwb eng QR1-502 Kaylie L. Richard verfasserin aut Heme Uptake and Utilization by Gram-Negative Bacterial Pathogens 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Iron is a transition metal utilized by nearly all forms of life for essential cellular processes, such as DNA synthesis and cellular respiration. During infection by bacterial pathogens, the host utilizes various strategies to sequester iron in a process termed, nutritional immunity. To circumvent these defenses, Gram-negative pathogens have evolved numerous mechanisms to obtain iron from heme. In this review we outline the systems that exist in several Gram-negative pathogens that are associated with heme transport and utilization, beginning with hemolysis and concluding with heme degradation. In addition, Gram-negative pathogens must also closely regulate the intracellular concentrations of iron and heme, since high levels of iron can lead to the generation of toxic reactive oxygen species. As such, we also provide several examples of regulatory pathways that control heme utilization, showing that co-regulation with other cellular processes is complex and often not completely understood. iron heme hemolysins heme oxygenase hemophores heme transport Microbiology Brittni R. Kelley verfasserin aut Jeremiah G. Johnson verfasserin aut In Frontiers in Cellular and Infection Microbiology Frontiers Media S.A., 2016 9(2019) (DE-627)664968554 (DE-600)2619676-1 22352988 nnns volume:9 year:2019 https://doi.org/10.3389/fcimb.2019.00081 kostenfrei https://doaj.org/article/9d9b3089a1524a39967977a8dea87844 kostenfrei https://www.frontiersin.org/article/10.3389/fcimb.2019.00081/full kostenfrei https://doaj.org/toc/2235-2988 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2019 |
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Heme Uptake and Utilization by Gram-Negative Bacterial Pathogens |
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Iron is a transition metal utilized by nearly all forms of life for essential cellular processes, such as DNA synthesis and cellular respiration. During infection by bacterial pathogens, the host utilizes various strategies to sequester iron in a process termed, nutritional immunity. To circumvent these defenses, Gram-negative pathogens have evolved numerous mechanisms to obtain iron from heme. In this review we outline the systems that exist in several Gram-negative pathogens that are associated with heme transport and utilization, beginning with hemolysis and concluding with heme degradation. In addition, Gram-negative pathogens must also closely regulate the intracellular concentrations of iron and heme, since high levels of iron can lead to the generation of toxic reactive oxygen species. As such, we also provide several examples of regulatory pathways that control heme utilization, showing that co-regulation with other cellular processes is complex and often not completely understood. |
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Iron is a transition metal utilized by nearly all forms of life for essential cellular processes, such as DNA synthesis and cellular respiration. During infection by bacterial pathogens, the host utilizes various strategies to sequester iron in a process termed, nutritional immunity. To circumvent these defenses, Gram-negative pathogens have evolved numerous mechanisms to obtain iron from heme. In this review we outline the systems that exist in several Gram-negative pathogens that are associated with heme transport and utilization, beginning with hemolysis and concluding with heme degradation. In addition, Gram-negative pathogens must also closely regulate the intracellular concentrations of iron and heme, since high levels of iron can lead to the generation of toxic reactive oxygen species. As such, we also provide several examples of regulatory pathways that control heme utilization, showing that co-regulation with other cellular processes is complex and often not completely understood. |
abstract_unstemmed |
Iron is a transition metal utilized by nearly all forms of life for essential cellular processes, such as DNA synthesis and cellular respiration. During infection by bacterial pathogens, the host utilizes various strategies to sequester iron in a process termed, nutritional immunity. To circumvent these defenses, Gram-negative pathogens have evolved numerous mechanisms to obtain iron from heme. In this review we outline the systems that exist in several Gram-negative pathogens that are associated with heme transport and utilization, beginning with hemolysis and concluding with heme degradation. In addition, Gram-negative pathogens must also closely regulate the intracellular concentrations of iron and heme, since high levels of iron can lead to the generation of toxic reactive oxygen species. As such, we also provide several examples of regulatory pathways that control heme utilization, showing that co-regulation with other cellular processes is complex and often not completely understood. |
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Heme Uptake and Utilization by Gram-Negative Bacterial Pathogens |
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