Identification and functional analysis of two interferon regulatory factor 3 genes and their involvement in antiviral immune responses in the Chinese giant salamander Andrias davidianus
Copyright © 2020 Elsevier Ltd. All rights reserved..
Interferon regulatory factor 3 (IRF3), a crucial member of interferon regulatory factor (IRF) family, plays an important role in innate immunity in vertebrates. However, there are no reports on the characterization and especially their respective functional analysis of two IRF3 genes in some species. In this study, two IRF3 genes as well as their roles in the immune response were identified and investigated in Chinese giant salamander, Andrias davidianus. The complete open reading frames of AdIRF3A and AdIRF3B were 1, 113 bp and 1, 380 bp in length, encoding 370 and 459 amino acids, respectively. Both AdIRF3A and AdIRF3B protein contain an IRF and an IRF3 domain. Phylogenetic analysis indicated that AdIRF3s clustered together with other IRF3 proteins. Tissue distribution analysis showed that AdIRF3s were expressed in all tissues tested, with highest expression levels in blood. Both AdIRF3s actively responded to Chinese giant salamander iridovirus (GSIV) and poly (I:C) challenge in A. davidianus. AdIRF3A/B silencing significantly suppressed the DNA virus and viral RNA analog-induced expression of IFN-inducible genes. Luciferase reporter assay further confirmed the regulatory role of AdIRF3s in IFN signaling. These results provide new insights into the origin or evolution of IRF3 in amphibians and even in vertebrates.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:110 |
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| Enthalten in: |
Developmental and comparative immunology - 110(2020) vom: 02. Sept., Seite 103710 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Xu, Ya-Ping [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 15.09.2021 Date Revised 15.09.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.dci.2020.103710 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM308958721 |
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| 245 | 1 | 0 | |a Identification and functional analysis of two interferon regulatory factor 3 genes and their involvement in antiviral immune responses in the Chinese giant salamander Andrias davidianus |
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| 520 | |a Interferon regulatory factor 3 (IRF3), a crucial member of interferon regulatory factor (IRF) family, plays an important role in innate immunity in vertebrates. However, there are no reports on the characterization and especially their respective functional analysis of two IRF3 genes in some species. In this study, two IRF3 genes as well as their roles in the immune response were identified and investigated in Chinese giant salamander, Andrias davidianus. The complete open reading frames of AdIRF3A and AdIRF3B were 1, 113 bp and 1, 380 bp in length, encoding 370 and 459 amino acids, respectively. Both AdIRF3A and AdIRF3B protein contain an IRF and an IRF3 domain. Phylogenetic analysis indicated that AdIRF3s clustered together with other IRF3 proteins. Tissue distribution analysis showed that AdIRF3s were expressed in all tissues tested, with highest expression levels in blood. Both AdIRF3s actively responded to Chinese giant salamander iridovirus (GSIV) and poly (I:C) challenge in A. davidianus. AdIRF3A/B silencing significantly suppressed the DNA virus and viral RNA analog-induced expression of IFN-inducible genes. Luciferase reporter assay further confirmed the regulatory role of AdIRF3s in IFN signaling. These results provide new insights into the origin or evolution of IRF3 in amphibians and even in vertebrates | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Amphibian | |
| 650 | 4 | |a Andrias davidianus | |
| 650 | 4 | |a Antiviral response | |
| 650 | 4 | |a IFN signaling | |
| 650 | 4 | |a IRF3 | |
| 650 | 7 | |a Amphibian Proteins |2 NLM | |
| 650 | 7 | |a Interferon Regulatory Factor-3 |2 NLM | |
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| 700 | 1 | |a Wang, Lan-Zhi |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Yi-Lian |e verfasserin |4 aut | |
| 700 | 1 | |a Xiao, Yi |e verfasserin |4 aut | |
| 700 | 1 | |a Gu, Wen-Bin |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Bo |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Xiao-Feng |e verfasserin |4 aut | |
| 700 | 1 | |a Dong, Wei-Ren |e verfasserin |4 aut | |
| 700 | 1 | |a Shu, Miao-An |e verfasserin |4 aut | |
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