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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1111/nph.13459
|2 doi
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|c DE-627
|e rakwb
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|a eng
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|a Sueldo, Daniela J
|e verfasserin
|4 aut
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| 245 |
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|a Random mutagenesis of the nucleotide-binding domain of NRC1 (NB-LRR Required for Hypersensitive Response-Associated Cell Death-1), a downstream signalling nucleotide-binding, leucine-rich repeat (NB-LRR) protein, identifies gain-of-function mutations in the nucleotide-binding pocket
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|c 2015
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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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|a Date Completed 01.06.2016
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|a Date Revised 13.12.2023
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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 Plant nucleotide-binding, leucine-rich repeat (NB-LRR) proteins confer immunity to pathogens possessing the corresponding avirulence proteins. Activation of NB-LRR proteins is often associated with induction of the hypersensitive response (HR), a form of programmed cell death. NRC1 (NB-LRR Required for HR-Associated Cell Death-1) is a tomato (Solanum lycopersicum) NB-LRR protein that participates in the signalling cascade leading to resistance to the pathogens Cladosporium fulvum and Verticillium dahliae. To identify mutations in NRC1 that cause increased signalling activity, we generated a random library of NRC1 variants mutated in their nucleotide-binding domain and screened them for the ability to induce an elicitor-independent HR in Nicotiana tabacum. Screening of 1920 clones retrieved 11 gain-of-function mutants, with 10 of them caused by a single amino acid substitution. All substitutions are located in or very close to highly conserved motifs within the nucleotide-binding domain, suggesting modulation of the signalling activity of NRC1. Three-dimensional modelling of the nucleotide-binding domain of NRC1 revealed that the targeted residues are centred around the bound nucleotide. Our mutational approach has generated a wide set of novel gain-of-function mutations in NRC1 and provides insight into how the activity of this NB-LRR is regulated
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a NRC1 (NB-LRR Required for Hypersensitive Response-Associated Cell Death-1)
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|a Nicotiana tabacum
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|a gain-of-function
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|a hypersensitive response
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|a mutagenesis screen
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|a nucleotide binding
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|a nucleotide-binding, leucine-rich repeat (NB-LRR)
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|a Bacterial Proteins
|2 NLM
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|a Leucine-Rich Repeat Proteins
|2 NLM
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| 650 |
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|a Nucleotides
|2 NLM
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| 650 |
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|a Plant Proteins
|2 NLM
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|a Proteins
|2 NLM
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|a Leucine
|2 NLM
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| 650 |
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|a GMW67QNF9C
|2 NLM
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| 700 |
1 |
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|a Shimels, Mahdere
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Spiridon, Laurentiu N
|e verfasserin
|4 aut
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| 700 |
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|a Caldararu, Octav
|e verfasserin
|4 aut
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| 700 |
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|a Petrescu, Andrei-Jose
|e verfasserin
|4 aut
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| 700 |
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|a Joosten, Matthieu H A J
|e verfasserin
|4 aut
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| 700 |
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|a Tameling, Wladimir I L
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 208(2015), 1 vom: 16. Okt., Seite 210-23
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:208
|g year:2015
|g number:1
|g day:16
|g month:10
|g pages:210-23
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|u http://dx.doi.org/10.1111/nph.13459
|3 Volltext
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