Gene name: ClpB caseinolytic peptidase B homolog (E. coli)
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22732191
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Saccharomyces cerevisiae Hsp104 and Escherichia coli ClpB are Hsp100 family AAA+ chaperones that provide stress tolerance by cooperating with Hsp70 and Hsp40 to solubilize aggregated protein.
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22732191
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Hsp104 also remodels amyloid in vitro and promotes propagation of amyloid prions in yeast, but ClpB does neither, leading to a view that Hsp104 evolved these activities.
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22732191
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We express prokaryotic chaperones in yeast to address these issues and find ClpB supports both prion propagation and thermotolerance in yeast if it is modified to interact with yeast Hsp70 or if E. coli Hsp70 and its cognate nucleotide exchange factor (NEF) are present.
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22732191
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Our findings show prion propagation and thermotolerance in yeast minimally require cooperation of species-specific Hsp100, Hsp70, and NEF with yeast Hsp40.
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22732191
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Saccharomyces cerevisiae Hsp104 and Escherichia coli ClpB are Hsp100 family AAA+ chaperones that provide stress tolerance by cooperating with Hsp70 and Hsp40 to solubilize aggregated protein.
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6 |
22732191
|
Hsp104 also remodels amyloid in vitro and promotes propagation of amyloid prions in yeast, but ClpB does neither, leading to a view that Hsp104 evolved these activities.
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7 |
22732191
|
We express prokaryotic chaperones in yeast to address these issues and find ClpB supports both prion propagation and thermotolerance in yeast if it is modified to interact with yeast Hsp70 or if E. coli Hsp70 and its cognate nucleotide exchange factor (NEF) are present.
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8 |
22732191
|
Our findings show prion propagation and thermotolerance in yeast minimally require cooperation of species-specific Hsp100, Hsp70, and NEF with yeast Hsp40.
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9 |
22732191
|
Saccharomyces cerevisiae Hsp104 and Escherichia coli ClpB are Hsp100 family AAA+ chaperones that provide stress tolerance by cooperating with Hsp70 and Hsp40 to solubilize aggregated protein.
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10 |
22732191
|
Hsp104 also remodels amyloid in vitro and promotes propagation of amyloid prions in yeast, but ClpB does neither, leading to a view that Hsp104 evolved these activities.
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11 |
22732191
|
We express prokaryotic chaperones in yeast to address these issues and find ClpB supports both prion propagation and thermotolerance in yeast if it is modified to interact with yeast Hsp70 or if E. coli Hsp70 and its cognate nucleotide exchange factor (NEF) are present.
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12 |
22732191
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Our findings show prion propagation and thermotolerance in yeast minimally require cooperation of species-specific Hsp100, Hsp70, and NEF with yeast Hsp40.
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23504563
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Hsp100 chaperones protect microorganisms and plants from environmental stress by cooperating with Hsp70 and its nucleotide exchange factor (NEF) and Hsp40 cochaperones to resolubilize proteins from aggregates.
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23504563
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Escherichia coli ClpB can substitute for Hsp104 to propagate [PSI(+)] prions in yeast, but only if E. coli DnaK and GrpE (Hsp70 and NEF) are coexpressed.
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