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231224s2016 xx |||||o 00| ||eng c |
| 024 |
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|a 10.1111/nph.13703
|2 doi
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|a pubmed24n0846.xml
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|a eng
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| 100 |
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|a Lo Presti, Libera
|e verfasserin
|4 aut
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|a A conserved co-chaperone is required for virulence in fungal plant pathogens
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|c 2016
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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| 500 |
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|a Date Completed 13.12.2016
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2015 The Authors. New Phytologist © 2015 New Phytologist Trust.
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|a The maize pathogenic fungus Ustilago maydis experiences endoplasmic reticulum (ER) stress during plant colonization and relies on the unfolded protein response (UPR) to cope with this stress. We identified the U. maydis co-chaperone, designated Dnj1, as part of this conserved cellular response to ER stress. ∆dnj1 cells are sensitive to the ER stressor tunicamycin and display a severe virulence defect in maize infection assays. A dnj1 mutant allele unable to stimulate the ATPase activity of chaperones phenocopies the null allele. A Dnj1-mCherry fusion protein localizes in the ER and interacts with the luminal chaperone Bip1. The Fusarium oxysporum Dnj1 ortholog contributes to the virulence of this fungal pathogen in tomato plants. Unlike the human ortholog, F. oxysporum Dnj1 partially rescues the virulence defect of the Ustilago dnj1 mutant. By enabling the fungus to restore ER homeostasis and maintain a high secretory activity, Dnj1 contributes to the establishment of a compatible interaction with the host. Dnj1 orthologs are present in many filamentous fungi, but are absent in budding and fission yeasts. We postulate a conserved and essential role during virulence for this class of co-chaperones
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Ustilago maydis
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|a co-chaperone
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|a effector secretion
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|a unfolded protein response (UPR)
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|a virulence
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|a Fungal Proteins
|2 NLM
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| 650 |
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|a Molecular Chaperones
|2 NLM
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| 650 |
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|a Tunicamycin
|2 NLM
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| 650 |
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|a 11089-65-9
|2 NLM
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| 700 |
1 |
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|a López Díaz, Cristina
|e verfasserin
|4 aut
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| 700 |
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|a Turrà, David
|e verfasserin
|4 aut
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| 700 |
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|a Di Pietro, Antonio
|e verfasserin
|4 aut
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| 700 |
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|a Hampel, Martin
|e verfasserin
|4 aut
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| 700 |
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|a Heimel, Kai
|e verfasserin
|4 aut
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| 700 |
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|a Kahmann, Regine
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 209(2016), 3 vom: 21. Feb., Seite 1135-48
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:209
|g year:2016
|g number:3
|g day:21
|g month:02
|g pages:1135-48
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|u http://dx.doi.org/10.1111/nph.13703
|3 Volltext
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