Identification of thermolabile Escherichia coli proteins: prevention and reversion of aggregation by DnaK and ClpB
Abstract We systematically analyzed the capability of the major cytosolic chaperones of Escherichia coli to cope with protein misfolding and aggregation during heat stress in vivo and in cell extracts. Under physiological heat stress conditions, only the DnaK system efficiently prevented the aggrega...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Mogk, Axel [verfasserIn] Tomoyasu, Toshifumi [verfasserIn] Goloubinoff, Pierre [verfasserIn] Rüdiger, Stefan [verfasserIn] Röder, Daniel [verfasserIn] Langen, Hanno [verfasserIn] Bukau, Bernd [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1999 |
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| Schlagwörter: |
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| Anmerkung: |
© European Molecular Biology Organization 1999 |
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| Übergeordnetes Werk: |
Enthalten in: The EMBO Journal - Nature Publishing Group UK, 2023, 18(1999), 24 vom: 15. Dez., Seite 6934-6949 |
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| Übergeordnetes Werk: |
volume:18 ; year:1999 ; number:24 ; day:15 ; month:12 ; pages:6934-6949 |
| Links: |
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| DOI / URN: |
10.1093/emboj/18.24.6934 |
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| Katalog-ID: |
SPR057946035 |
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| 100 | 1 | |a Mogk, Axel |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Identification of thermolabile Escherichia coli proteins: prevention and reversion of aggregation by DnaK and ClpB |
| 264 | 1 | |c 1999 | |
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| 520 | |a Abstract We systematically analyzed the capability of the major cytosolic chaperones of Escherichia coli to cope with protein misfolding and aggregation during heat stress in vivo and in cell extracts. Under physiological heat stress conditions, only the DnaK system efficiently prevented the aggregation of thermolabile proteins, a surprisingly high number of 150–200 species, corresponding to 15–25% of detected proteins. Identification of thermolabile DnaK substrates by mass spectrometry revealed that they comprise 80% of the large (≥90 kDa) but only 18% of the small (≤30 kDa) cytosolic proteins and include essential proteins. The DnaK system in addition acts with ClpB to form a bi‐chaperone system that quantitatively solubilizes aggregates of most of these proteins. Efficient solubilization also occurred in an in vivo order‐of‐addition experiment in which aggregates were formed prior to induction of synthesis of the bi‐chaperone system. Our data indicate that large‐sized proteins are most vulnerable to thermal unfolding and aggregation, and that the DnaK system has central, dual protective roles for these proteins by preventing their aggregation and, cooperatively with ClpB, mediating their disaggregation. | ||
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| 650 | 4 | |a protein denaturation |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a thermotolerance |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Tomoyasu, Toshifumi |e verfasserin |4 aut | |
| 700 | 1 | |a Goloubinoff, Pierre |e verfasserin |4 aut | |
| 700 | 1 | |a Rüdiger, Stefan |e verfasserin |4 aut | |
| 700 | 1 | |a Röder, Daniel |e verfasserin |4 aut | |
| 700 | 1 | |a Langen, Hanno |e verfasserin |4 aut | |
| 700 | 1 | |a Bukau, Bernd |e verfasserin |4 aut | |
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1999 |
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1999 |
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10.1093/emboj/18.24.6934 doi (DE-627)SPR057946035 (SPR)18.24.6934-e DE-627 ger DE-627 rakwb eng Mogk, Axel verfasserin aut Identification of thermolabile Escherichia coli proteins: prevention and reversion of aggregation by DnaK and ClpB 1999 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © European Molecular Biology Organization 1999 Abstract We systematically analyzed the capability of the major cytosolic chaperones of Escherichia coli to cope with protein misfolding and aggregation during heat stress in vivo and in cell extracts. Under physiological heat stress conditions, only the DnaK system efficiently prevented the aggregation of thermolabile proteins, a surprisingly high number of 150–200 species, corresponding to 15–25% of detected proteins. Identification of thermolabile DnaK substrates by mass spectrometry revealed that they comprise 80% of the large (≥90 kDa) but only 18% of the small (≤30 kDa) cytosolic proteins and include essential proteins. The DnaK system in addition acts with ClpB to form a bi‐chaperone system that quantitatively solubilizes aggregates of most of these proteins. Efficient solubilization also occurred in an in vivo order‐of‐addition experiment in which aggregates were formed prior to induction of synthesis of the bi‐chaperone system. Our data indicate that large‐sized proteins are most vulnerable to thermal unfolding and aggregation, and that the DnaK system has central, dual protective roles for these proteins by preventing their aggregation and, cooperatively with ClpB, mediating their disaggregation. chaperones (dpeaa)DE-He213 heat‐shock response (dpeaa)DE-He213 Hsp70 (dpeaa)DE-He213 protein denaturation (dpeaa)DE-He213 thermotolerance (dpeaa)DE-He213 Tomoyasu, Toshifumi verfasserin aut Goloubinoff, Pierre verfasserin aut Rüdiger, Stefan verfasserin aut Röder, Daniel verfasserin aut Langen, Hanno verfasserin aut Bukau, Bernd verfasserin aut Enthalten in The EMBO Journal Nature Publishing Group UK, 2023 18(1999), 24 vom: 15. Dez., Seite 6934-6949 (DE-627)266022529 (DE-600)1467419-1 1460-2075 nnns volume:18 year:1999 number:24 day:15 month:12 pages:6934-6949 https://dx.doi.org/10.1093/emboj/18.24.6934 X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_72 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_168 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_252 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4029 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4116 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4155 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4311 GBV_ILN_4313 GBV_ILN_4314 GBV_ILN_4318 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4598 GBV_ILN_4700 AR 18 1999 24 15 12 6934-6949 |
| spelling |
10.1093/emboj/18.24.6934 doi (DE-627)SPR057946035 (SPR)18.24.6934-e DE-627 ger DE-627 rakwb eng Mogk, Axel verfasserin aut Identification of thermolabile Escherichia coli proteins: prevention and reversion of aggregation by DnaK and ClpB 1999 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © European Molecular Biology Organization 1999 Abstract We systematically analyzed the capability of the major cytosolic chaperones of Escherichia coli to cope with protein misfolding and aggregation during heat stress in vivo and in cell extracts. Under physiological heat stress conditions, only the DnaK system efficiently prevented the aggregation of thermolabile proteins, a surprisingly high number of 150–200 species, corresponding to 15–25% of detected proteins. Identification of thermolabile DnaK substrates by mass spectrometry revealed that they comprise 80% of the large (≥90 kDa) but only 18% of the small (≤30 kDa) cytosolic proteins and include essential proteins. The DnaK system in addition acts with ClpB to form a bi‐chaperone system that quantitatively solubilizes aggregates of most of these proteins. Efficient solubilization also occurred in an in vivo order‐of‐addition experiment in which aggregates were formed prior to induction of synthesis of the bi‐chaperone system. Our data indicate that large‐sized proteins are most vulnerable to thermal unfolding and aggregation, and that the DnaK system has central, dual protective roles for these proteins by preventing their aggregation and, cooperatively with ClpB, mediating their disaggregation. chaperones (dpeaa)DE-He213 heat‐shock response (dpeaa)DE-He213 Hsp70 (dpeaa)DE-He213 protein denaturation (dpeaa)DE-He213 thermotolerance (dpeaa)DE-He213 Tomoyasu, Toshifumi verfasserin aut Goloubinoff, Pierre verfasserin aut Rüdiger, Stefan verfasserin aut Röder, Daniel verfasserin aut Langen, Hanno verfasserin aut Bukau, Bernd verfasserin aut Enthalten in The EMBO Journal Nature Publishing Group UK, 2023 18(1999), 24 vom: 15. Dez., Seite 6934-6949 (DE-627)266022529 (DE-600)1467419-1 1460-2075 nnns volume:18 year:1999 number:24 day:15 month:12 pages:6934-6949 https://dx.doi.org/10.1093/emboj/18.24.6934 X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_72 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_168 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_252 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4029 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4116 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4155 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4311 GBV_ILN_4313 GBV_ILN_4314 GBV_ILN_4318 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4598 GBV_ILN_4700 AR 18 1999 24 15 12 6934-6949 |
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10.1093/emboj/18.24.6934 doi (DE-627)SPR057946035 (SPR)18.24.6934-e DE-627 ger DE-627 rakwb eng Mogk, Axel verfasserin aut Identification of thermolabile Escherichia coli proteins: prevention and reversion of aggregation by DnaK and ClpB 1999 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © European Molecular Biology Organization 1999 Abstract We systematically analyzed the capability of the major cytosolic chaperones of Escherichia coli to cope with protein misfolding and aggregation during heat stress in vivo and in cell extracts. Under physiological heat stress conditions, only the DnaK system efficiently prevented the aggregation of thermolabile proteins, a surprisingly high number of 150–200 species, corresponding to 15–25% of detected proteins. Identification of thermolabile DnaK substrates by mass spectrometry revealed that they comprise 80% of the large (≥90 kDa) but only 18% of the small (≤30 kDa) cytosolic proteins and include essential proteins. The DnaK system in addition acts with ClpB to form a bi‐chaperone system that quantitatively solubilizes aggregates of most of these proteins. Efficient solubilization also occurred in an in vivo order‐of‐addition experiment in which aggregates were formed prior to induction of synthesis of the bi‐chaperone system. Our data indicate that large‐sized proteins are most vulnerable to thermal unfolding and aggregation, and that the DnaK system has central, dual protective roles for these proteins by preventing their aggregation and, cooperatively with ClpB, mediating their disaggregation. chaperones (dpeaa)DE-He213 heat‐shock response (dpeaa)DE-He213 Hsp70 (dpeaa)DE-He213 protein denaturation (dpeaa)DE-He213 thermotolerance (dpeaa)DE-He213 Tomoyasu, Toshifumi verfasserin aut Goloubinoff, Pierre verfasserin aut Rüdiger, Stefan verfasserin aut Röder, Daniel verfasserin aut Langen, Hanno verfasserin aut Bukau, Bernd verfasserin aut Enthalten in The EMBO Journal Nature Publishing Group UK, 2023 18(1999), 24 vom: 15. Dez., Seite 6934-6949 (DE-627)266022529 (DE-600)1467419-1 1460-2075 nnns volume:18 year:1999 number:24 day:15 month:12 pages:6934-6949 https://dx.doi.org/10.1093/emboj/18.24.6934 X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_72 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_168 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_252 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4029 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4116 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4155 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4311 GBV_ILN_4313 GBV_ILN_4314 GBV_ILN_4318 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4598 GBV_ILN_4700 AR 18 1999 24 15 12 6934-6949 |
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10.1093/emboj/18.24.6934 doi (DE-627)SPR057946035 (SPR)18.24.6934-e DE-627 ger DE-627 rakwb eng Mogk, Axel verfasserin aut Identification of thermolabile Escherichia coli proteins: prevention and reversion of aggregation by DnaK and ClpB 1999 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © European Molecular Biology Organization 1999 Abstract We systematically analyzed the capability of the major cytosolic chaperones of Escherichia coli to cope with protein misfolding and aggregation during heat stress in vivo and in cell extracts. Under physiological heat stress conditions, only the DnaK system efficiently prevented the aggregation of thermolabile proteins, a surprisingly high number of 150–200 species, corresponding to 15–25% of detected proteins. Identification of thermolabile DnaK substrates by mass spectrometry revealed that they comprise 80% of the large (≥90 kDa) but only 18% of the small (≤30 kDa) cytosolic proteins and include essential proteins. The DnaK system in addition acts with ClpB to form a bi‐chaperone system that quantitatively solubilizes aggregates of most of these proteins. Efficient solubilization also occurred in an in vivo order‐of‐addition experiment in which aggregates were formed prior to induction of synthesis of the bi‐chaperone system. Our data indicate that large‐sized proteins are most vulnerable to thermal unfolding and aggregation, and that the DnaK system has central, dual protective roles for these proteins by preventing their aggregation and, cooperatively with ClpB, mediating their disaggregation. chaperones (dpeaa)DE-He213 heat‐shock response (dpeaa)DE-He213 Hsp70 (dpeaa)DE-He213 protein denaturation (dpeaa)DE-He213 thermotolerance (dpeaa)DE-He213 Tomoyasu, Toshifumi verfasserin aut Goloubinoff, Pierre verfasserin aut Rüdiger, Stefan verfasserin aut Röder, Daniel verfasserin aut Langen, Hanno verfasserin aut Bukau, Bernd verfasserin aut Enthalten in The EMBO Journal Nature Publishing Group UK, 2023 18(1999), 24 vom: 15. Dez., Seite 6934-6949 (DE-627)266022529 (DE-600)1467419-1 1460-2075 nnns volume:18 year:1999 number:24 day:15 month:12 pages:6934-6949 https://dx.doi.org/10.1093/emboj/18.24.6934 X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_72 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_168 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_252 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4029 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4116 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4155 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4311 GBV_ILN_4313 GBV_ILN_4314 GBV_ILN_4318 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4598 GBV_ILN_4700 AR 18 1999 24 15 12 6934-6949 |
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10.1093/emboj/18.24.6934 doi (DE-627)SPR057946035 (SPR)18.24.6934-e DE-627 ger DE-627 rakwb eng Mogk, Axel verfasserin aut Identification of thermolabile Escherichia coli proteins: prevention and reversion of aggregation by DnaK and ClpB 1999 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © European Molecular Biology Organization 1999 Abstract We systematically analyzed the capability of the major cytosolic chaperones of Escherichia coli to cope with protein misfolding and aggregation during heat stress in vivo and in cell extracts. Under physiological heat stress conditions, only the DnaK system efficiently prevented the aggregation of thermolabile proteins, a surprisingly high number of 150–200 species, corresponding to 15–25% of detected proteins. Identification of thermolabile DnaK substrates by mass spectrometry revealed that they comprise 80% of the large (≥90 kDa) but only 18% of the small (≤30 kDa) cytosolic proteins and include essential proteins. The DnaK system in addition acts with ClpB to form a bi‐chaperone system that quantitatively solubilizes aggregates of most of these proteins. Efficient solubilization also occurred in an in vivo order‐of‐addition experiment in which aggregates were formed prior to induction of synthesis of the bi‐chaperone system. Our data indicate that large‐sized proteins are most vulnerable to thermal unfolding and aggregation, and that the DnaK system has central, dual protective roles for these proteins by preventing their aggregation and, cooperatively with ClpB, mediating their disaggregation. chaperones (dpeaa)DE-He213 heat‐shock response (dpeaa)DE-He213 Hsp70 (dpeaa)DE-He213 protein denaturation (dpeaa)DE-He213 thermotolerance (dpeaa)DE-He213 Tomoyasu, Toshifumi verfasserin aut Goloubinoff, Pierre verfasserin aut Rüdiger, Stefan verfasserin aut Röder, Daniel verfasserin aut Langen, Hanno verfasserin aut Bukau, Bernd verfasserin aut Enthalten in The EMBO Journal Nature Publishing Group UK, 2023 18(1999), 24 vom: 15. Dez., Seite 6934-6949 (DE-627)266022529 (DE-600)1467419-1 1460-2075 nnns volume:18 year:1999 number:24 day:15 month:12 pages:6934-6949 https://dx.doi.org/10.1093/emboj/18.24.6934 X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_72 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_168 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_252 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4029 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4116 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4155 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4311 GBV_ILN_4313 GBV_ILN_4314 GBV_ILN_4318 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4598 GBV_ILN_4700 AR 18 1999 24 15 12 6934-6949 |
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Enthalten in The EMBO Journal 18(1999), 24 vom: 15. Dez., Seite 6934-6949 volume:18 year:1999 number:24 day:15 month:12 pages:6934-6949 |
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Mogk, Axel @@aut@@ Tomoyasu, Toshifumi @@aut@@ Goloubinoff, Pierre @@aut@@ Rüdiger, Stefan @@aut@@ Röder, Daniel @@aut@@ Langen, Hanno @@aut@@ Bukau, Bernd @@aut@@ |
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Mogk, Axel |
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Mogk, Axel misc chaperones misc heat‐shock response misc Hsp70 misc protein denaturation misc thermotolerance Identification of thermolabile Escherichia coli proteins: prevention and reversion of aggregation by DnaK and ClpB |
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Identification of thermolabile Escherichia coli proteins: prevention and reversion of aggregation by DnaK and ClpB chaperones (dpeaa)DE-He213 heat‐shock response (dpeaa)DE-He213 Hsp70 (dpeaa)DE-He213 protein denaturation (dpeaa)DE-He213 thermotolerance (dpeaa)DE-He213 |
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Identification of thermolabile Escherichia coli proteins: prevention and reversion of aggregation by DnaK and ClpB |
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Identification of thermolabile Escherichia coli proteins: prevention and reversion of aggregation by DnaK and ClpB |
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Mogk, Axel Tomoyasu, Toshifumi Goloubinoff, Pierre Rüdiger, Stefan Röder, Daniel Langen, Hanno Bukau, Bernd |
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identification of thermolabile escherichia coli proteins: prevention and reversion of aggregation by dnak and clpb |
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Identification of thermolabile Escherichia coli proteins: prevention and reversion of aggregation by DnaK and ClpB |
| abstract |
Abstract We systematically analyzed the capability of the major cytosolic chaperones of Escherichia coli to cope with protein misfolding and aggregation during heat stress in vivo and in cell extracts. Under physiological heat stress conditions, only the DnaK system efficiently prevented the aggregation of thermolabile proteins, a surprisingly high number of 150–200 species, corresponding to 15–25% of detected proteins. Identification of thermolabile DnaK substrates by mass spectrometry revealed that they comprise 80% of the large (≥90 kDa) but only 18% of the small (≤30 kDa) cytosolic proteins and include essential proteins. The DnaK system in addition acts with ClpB to form a bi‐chaperone system that quantitatively solubilizes aggregates of most of these proteins. Efficient solubilization also occurred in an in vivo order‐of‐addition experiment in which aggregates were formed prior to induction of synthesis of the bi‐chaperone system. Our data indicate that large‐sized proteins are most vulnerable to thermal unfolding and aggregation, and that the DnaK system has central, dual protective roles for these proteins by preventing their aggregation and, cooperatively with ClpB, mediating their disaggregation. © European Molecular Biology Organization 1999 |
| abstractGer |
Abstract We systematically analyzed the capability of the major cytosolic chaperones of Escherichia coli to cope with protein misfolding and aggregation during heat stress in vivo and in cell extracts. Under physiological heat stress conditions, only the DnaK system efficiently prevented the aggregation of thermolabile proteins, a surprisingly high number of 150–200 species, corresponding to 15–25% of detected proteins. Identification of thermolabile DnaK substrates by mass spectrometry revealed that they comprise 80% of the large (≥90 kDa) but only 18% of the small (≤30 kDa) cytosolic proteins and include essential proteins. The DnaK system in addition acts with ClpB to form a bi‐chaperone system that quantitatively solubilizes aggregates of most of these proteins. Efficient solubilization also occurred in an in vivo order‐of‐addition experiment in which aggregates were formed prior to induction of synthesis of the bi‐chaperone system. Our data indicate that large‐sized proteins are most vulnerable to thermal unfolding and aggregation, and that the DnaK system has central, dual protective roles for these proteins by preventing their aggregation and, cooperatively with ClpB, mediating their disaggregation. © European Molecular Biology Organization 1999 |
| abstract_unstemmed |
Abstract We systematically analyzed the capability of the major cytosolic chaperones of Escherichia coli to cope with protein misfolding and aggregation during heat stress in vivo and in cell extracts. Under physiological heat stress conditions, only the DnaK system efficiently prevented the aggregation of thermolabile proteins, a surprisingly high number of 150–200 species, corresponding to 15–25% of detected proteins. Identification of thermolabile DnaK substrates by mass spectrometry revealed that they comprise 80% of the large (≥90 kDa) but only 18% of the small (≤30 kDa) cytosolic proteins and include essential proteins. The DnaK system in addition acts with ClpB to form a bi‐chaperone system that quantitatively solubilizes aggregates of most of these proteins. Efficient solubilization also occurred in an in vivo order‐of‐addition experiment in which aggregates were formed prior to induction of synthesis of the bi‐chaperone system. Our data indicate that large‐sized proteins are most vulnerable to thermal unfolding and aggregation, and that the DnaK system has central, dual protective roles for these proteins by preventing their aggregation and, cooperatively with ClpB, mediating their disaggregation. © European Molecular Biology Organization 1999 |
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Identification of thermolabile Escherichia coli proteins: prevention and reversion of aggregation by DnaK and ClpB |
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https://dx.doi.org/10.1093/emboj/18.24.6934 |
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Tomoyasu, Toshifumi Goloubinoff, Pierre Rüdiger, Stefan Röder, Daniel Langen, Hanno Bukau, Bernd |
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Tomoyasu, Toshifumi Goloubinoff, Pierre Rüdiger, Stefan Röder, Daniel Langen, Hanno Bukau, Bernd |
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|
| score |
7.400485 |