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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1111/nph.16861
|2 doi
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|a pubmed24n1044.xml
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|a (DE-627)NLM313473447
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|a (NLM)32772378
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Du, Yu
|e verfasserin
|4 aut
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|a Phytophthora infestans RXLR effector PITG20303 targets a potato MKK1 protein to suppress plant immunity
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|c 2021
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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
|b cr
|2 rdacarrier
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|a Date Completed 14.05.2021
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|a Date Revised 14.05.2021
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|a published: Print-Electronic
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|a ErratumIn: New Phytol. 2021 Apr;230(2):878. - PMID 33729595
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|a Citation Status MEDLINE
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|a © 2020 The Authors New Phytologist © 2020 New Phytologist Trust.
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|a Pathogens secret a plethora of effectors into the host cell to modulate plant immunity. Analysing the role of effectors in altering the function of their host target proteins will reveal critical components of the plant immune system. Here we show that Phytophthora infestans RXLR effector PITG20303, a virulent variant of AVRblb2 (PITG20300) that escapes recognition by the resistance protein Rpi-blb2, suppresses PAMP-triggered immunity (PTI) and promotes pathogen colonization by targeting and stabilizing a potato MAPK cascade protein, StMKK1. Both PITG20300 and PITG20303 target StMKK1, as confirmed by multiple in vivo and in vitro assays, and StMKK1 was shown to be a negative regulator of plant immunity, as determined by overexpression and gene silencing. StMKK1 is a negative regulator of plant PTI, and the kinase activities of StMKK1 are required for its suppression of PTI and effector interaction. PITG20303 depends partially on MKK1, PITG20300 does not depend on MKK1 for suppression of PTI-induced reactive oxygen species burst, while the full virulence activities of nuclear targeted PITG20303 and PITG20300 are dependent on MKK1. Our results show that PITG20303 and PITG20300 target and stabilize the plant MAPK cascade signalling protein StMKK1 to negatively regulate plant PTI response
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Phytophthora infestans
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|a MAPK cascade
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|a effector targets
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|a oomycete
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|a pathogenicity
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|a susceptibility
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|a Pathogen-Associated Molecular Pattern Molecules
|2 NLM
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| 650 |
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|a Plant Proteins
|2 NLM
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| 700 |
1 |
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|a Chen, Xiaokang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guo, Yalu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Xiaojiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Houxiao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Fangfang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Guiyan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Meng, Yuling
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shan, Weixing
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 229(2021), 1 vom: 04. Jan., Seite 501-515
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:229
|g year:2021
|g number:1
|g day:04
|g month:01
|g pages:501-515
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| 856 |
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|u http://dx.doi.org/10.1111/nph.16861
|3 Volltext
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|d 229
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|h 501-515
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