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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1111/nph.17776
|2 doi
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|a eng
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| 100 |
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|a Chang, Li
|e verfasserin
|4 aut
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| 245 |
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|a Stress associated proteins coordinate the activation of comprehensive antiviral immunity in Phalaenopsis orchids
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|c 2022
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 06.01.2022
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|a Date Revised 13.12.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2021 The Authors. New Phytologist © 2021 New Phytologist Foundation.
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|a Viruses cause severe damage on crops, and identification of key gene(s) that can comprehensively activate antiviral immunity will provide insights for designing effective antiviral strategies. Salicylic acid (SA)-mediated antiviral immunity and RNA interference (RNAi) are two independently discovered antiviral pathways. Previously, we identified the orchid stress-associated protein (SAP), Pha13, which serves as a hub in SA-mediated antiviral immunity. As SAPs exist as a protein family, whether duplicated SAPs have redundant or distinctive functions in antiviral immunity remains elusive. We performed functional assays on orchid Pha21, a homolog of Pha13, using transient and transgenic approaches on orchid, Arabidopsis and Nicotiana benthamiana to overexpress and/or silence Pha21. The SA treatment induced the expression of both Pha13 and Pha21, whereas Pha21 was found to play a key role in the initiation of the RNAi pathway in Phalaenopsis orchids. We demonstrated that Pha21-mediated antiviral immunity and enhancement of the RNAi pathway is conserved between dicotyledons and monocotyledons. We provide new insight that orchid SAPs confer distinctive functions to coordinate both SA-signaling and RNAi for comprehensive activation of antiviral immunity, and this information will help us develop antiviral strategies on crops
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Phalaenopsis aphrodite
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|a A20/AN1 protein
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|a RNA interference
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|a antiviral immunity
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|a salicylic acid-mediated immunity
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| 650 |
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|a stress-associated protein
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| 650 |
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7 |
|a Heat-Shock Proteins
|2 NLM
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| 650 |
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|a Salicylic Acid
|2 NLM
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| 650 |
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|a O414PZ4LPZ
|2 NLM
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| 700 |
1 |
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|a Tzean, Yuh
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hsin, Kuan-Ting
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lin, Chia-Ying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Chun-Neng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yeh, Hsin-Hung
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 233(2022), 1 vom: 30. Jan., Seite 145-155
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|x 1469-8137
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|g volume:233
|g year:2022
|g number:1
|g day:30
|g month:01
|g pages:145-155
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|u http://dx.doi.org/10.1111/nph.17776
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