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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1111/nph.17993
|2 doi
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|a pubmed24n1120.xml
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|a (DE-627)NLM336101481
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|a (NLM)35075654
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Li, Zhaolei
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a SAMDC3 enhances resistance to Barley stripe mosaic virus by promoting the ubiquitination and proteasomal degradation of viral γb protein
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| 264 |
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|c 2022
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 31.03.2022
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|a Date Revised 01.04.2022
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|a published: Print-Electronic
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|a RefSeq: U91924.2
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|a Citation Status MEDLINE
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| 520 |
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|a © 2022 The Authors. New Phytologist © 2022 New Phytologist Foundation.
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|a Posttranslational modifications (PTMs) play important roles in virus-host interplay. We previously demonstrated that Barley stripe mosaic virus (BSMV) γb protein is phosphorylated by different host kinases to support or impede viral infection. However, whether and how other types of PTMs participate in BSMV infection remains to be explored. Here, we report that S-adenosylmethionine decarboxylase 3 (SAMDC3) from Nicotiana benthamiana or wheat (Triticum aestivum) interacts with γb. BSMV infection induced SAMDC3 expression. Overexpression of SAMDC3 led to the destabilization of γb and reduction in viral infectivity, whereas knocking out NbSAMDC3 increased susceptibility to BSMV. NbSAMDC3 positively regulated the 26S proteasome-mediated degradation of γb via its PEST domain. Further mechanistic studies revealed that γb can be ubiquitinated in planta and that NbSAMDC3 promotes the proteasomal degradation of γb by increasing γb ubiquitination. We also found evidence that ubiquitination occurs at nonlysine residues (Ser-133 and Cys-144) within γb. Together, our results provide a function for SAMDC3 in defence against BSMV infection through targeting of γb abundance, which contributes to our understanding of how a plant host deploys the ubiquitin-proteasome system to mount defences against viral infections
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4 |
|a Journal Article
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4 |
|a Research Support, Non-U.S. Gov't
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| 650 |
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4 |
|a Barley stripe mosaic virus
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| 650 |
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4 |
|a Nicotiana benthamiana
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| 650 |
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4 |
|a Triticum aestivum
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| 650 |
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4 |
|a S-adenosylmethionine decarboxylase 3
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| 650 |
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4 |
|a degradation
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| 650 |
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4 |
|a interaction
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| 650 |
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4 |
|a nonlysine ubiquitination
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| 650 |
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4 |
|a γb
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| 650 |
|
7 |
|a Viral Proteins
|2 NLM
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| 650 |
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7 |
|a Adenosylmethionine Decarboxylase
|2 NLM
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| 650 |
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7 |
|a EC 4.1.1.50
|2 NLM
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| 700 |
1 |
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|a Yang, Xinxin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Wenli
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wen, Zhiyan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Duan, Jiangning
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jiang, Zhihao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Dingliang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xie, Xialin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Xueting
|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 Li, Dawei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yongliang
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t The New phytologist
|d 1979
|g 234(2022), 2 vom: 15. Apr., Seite 618-633
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
8 |
|g volume:234
|g year:2022
|g number:2
|g day:15
|g month:04
|g pages:618-633
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| 856 |
4 |
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|u http://dx.doi.org/10.1111/nph.17993
|3 Volltext
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|a AR
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| 952 |
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|d 234
|j 2022
|e 2
|b 15
|c 04
|h 618-633
|