Two genes encoded by mulberry crinkle leaf virus (MCLV) : The V4 gene enhances viral replication, and the V5 gene is needed for MCLV infection in Nicotiana benthamiana
Copyright © 2023. Published by Elsevier B.V..
Mulberry crinkle leaf virus (MCLV) is a member of the genus Mulcrilevirus, family Geminiviridae. The expression and functions of the V4 and V5 genes encoded by the MCLV genome remain unknown. Here, we confirmed the expression of V4 and V5 by analyzing the V4 and V5 mRNAs and the promoter activity of individual ORFs upstream sequences. The functions of V4 and V5 were investigated by constructing Agrobacterium-mediated infectious clones of wild-type MCLV variant П (MCLV vII), MCLVwt and MCLV vП mutants, such as MCLVmV4 (start codon of V4 ORF mutated), MCLVdV4 (5'-end partial deletion of V4 ORF sequence) and MCLVmV5 (V5 ORF start codon mutated). Although MCLVwt, MCLVmV4, and MCLVdV4 could infect natural host mulberry and experimental tomato plants systematically, the replication of the MCLVmV4 and MCLVdV4 genomes was obviously reduced compared to MCLVwt in both mulberry and tomato plants. MCLV vП expressing V5 could infect Nicotiana benthamiana plants systematically, but MCLVmV5 could not, implying that V5 is needed for MCLV vП to infect N. benthamiana plants. Taken together, V4 is involved in replication of the MCLV genome in host plants, and V5 potentially might extend the host range. Our findings lay a foundation for in-depth insight into the functions of MCLV-encoded proteins and provide a novel perspective for the subsequent study of MCLV-host plant interactions.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:339 |
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| Enthalten in: |
Virus research - 339(2024) vom: 02. Jan., Seite 199288 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Han, Tao-Tao [VerfasserIn] |
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| Links: |
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| Themen: |
Codon, Initiator |
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| Anmerkungen: |
Date Completed 16.12.2023 Date Revised 09.01.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.virusres.2023.199288 |
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| funding: |
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| 245 | 1 | 0 | |a Two genes encoded by mulberry crinkle leaf virus (MCLV) |b The V4 gene enhances viral replication, and the V5 gene is needed for MCLV infection in Nicotiana benthamiana |
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| 520 | |a Copyright © 2023. Published by Elsevier B.V. | ||
| 520 | |a Mulberry crinkle leaf virus (MCLV) is a member of the genus Mulcrilevirus, family Geminiviridae. The expression and functions of the V4 and V5 genes encoded by the MCLV genome remain unknown. Here, we confirmed the expression of V4 and V5 by analyzing the V4 and V5 mRNAs and the promoter activity of individual ORFs upstream sequences. The functions of V4 and V5 were investigated by constructing Agrobacterium-mediated infectious clones of wild-type MCLV variant П (MCLV vII), MCLVwt and MCLV vП mutants, such as MCLVmV4 (start codon of V4 ORF mutated), MCLVdV4 (5'-end partial deletion of V4 ORF sequence) and MCLVmV5 (V5 ORF start codon mutated). Although MCLVwt, MCLVmV4, and MCLVdV4 could infect natural host mulberry and experimental tomato plants systematically, the replication of the MCLVmV4 and MCLVdV4 genomes was obviously reduced compared to MCLVwt in both mulberry and tomato plants. MCLV vП expressing V5 could infect Nicotiana benthamiana plants systematically, but MCLVmV5 could not, implying that V5 is needed for MCLV vП to infect N. benthamiana plants. Taken together, V4 is involved in replication of the MCLV genome in host plants, and V5 potentially might extend the host range. Our findings lay a foundation for in-depth insight into the functions of MCLV-encoded proteins and provide a novel perspective for the subsequent study of MCLV-host plant interactions | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Host range | |
| 650 | 4 | |a Mulberry crinkle leaf virus | |
| 650 | 4 | |a Replication | |
| 650 | 4 | |a V4 | |
| 650 | 4 | |a V5 | |
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| 700 | 1 | |a Tang, Jia-Xuan |e verfasserin |4 aut | |
| 700 | 1 | |a Fang, Miao |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Peng |e verfasserin |4 aut | |
| 700 | 1 | |a Han, Pei-Yu |e verfasserin |4 aut | |
| 700 | 1 | |a Yin, Zhen-Ni |e verfasserin |4 aut | |
| 700 | 1 | |a Ma, Yu |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Jian |e verfasserin |4 aut | |
| 700 | 1 | |a Lu, Quan-You |e verfasserin |4 aut | |
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