Viral diversity and phloem transcriptional changes in grapevine Shiraz disease infected vines
Shiraz disease (SD) is a highly destructive disease of grapevines that is associated with grapevine virus A (GVA) infection of vineyards in Australia and South Africa. However, little is known about the transcriptional modifications in grapevine phloem tissues induced by SD. In this study, we explo...
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| Format: | Article |
| Language: | English |
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International Viticulture and Enology Society
2025-01-01
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| Series: | OENO One |
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| Online Access: | https://oeno-one.eu/article/view/8284 |
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| author | Cristobal Onetto Dilrukshi Nagahatenna Yeniu Mickey Wang Vinay Pagay Anthony Borneman |
| author_facet | Cristobal Onetto Dilrukshi Nagahatenna Yeniu Mickey Wang Vinay Pagay Anthony Borneman |
| author_sort | Cristobal Onetto |
| collection | DOAJ |
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Shiraz disease (SD) is a highly destructive disease of grapevines that is associated with grapevine virus A (GVA) infection of vineyards in Australia and South Africa. However, little is known about the transcriptional modifications in grapevine phloem tissues induced by SD. In this study, we explored the viral diversity and transcriptional changes linked to SD. Vines symptomatic for SD exhibited higher viral abundance and were also shown to be co-infected with both GVA and grapevine leafroll-associated virus (GLRaV-4) strain 9. Differential gene (DE) expression analysis revealed physiological responses of Vitis vinifera to the infection. Similar to other plant pathogen infections, SD upregulated genes associated with the systemic acquired resistance (SAR) mechanism and downregulated genes related to vine immunity. Additionally, upregulated genes suggests that callose deposition and the blocking of phloem sieve elements are likely employed by V. vinifera as a defence strategy to limit the internal spread of SD viruses.
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| format | Article |
| id | doaj-art-be92e99c8e444c0a9b3741f977cf1f94 |
| institution | Kabale University |
| issn | 2494-1271 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | International Viticulture and Enology Society |
| record_format | Article |
| series | OENO One |
| spelling | doaj-art-be92e99c8e444c0a9b3741f977cf1f942025-01-13T11:10:00ZengInternational Viticulture and Enology SocietyOENO One2494-12712025-01-0159110.20870/oeno-one.2025.59.1.8284Viral diversity and phloem transcriptional changes in grapevine Shiraz disease infected vinesCristobal Onetto0https://orcid.org/0000-0003-0875-3093Dilrukshi Nagahatenna1Yeniu Mickey Wang2Vinay Pagay3Anthony Borneman4https://orcid.org/0000-0001-8491-7235Australian Wine Research Institute—The University of AdelaideThe University of AdelaideCSIROThe University of AdelaideAustralian Wine Research Institute—The University of Adelaide Shiraz disease (SD) is a highly destructive disease of grapevines that is associated with grapevine virus A (GVA) infection of vineyards in Australia and South Africa. However, little is known about the transcriptional modifications in grapevine phloem tissues induced by SD. In this study, we explored the viral diversity and transcriptional changes linked to SD. Vines symptomatic for SD exhibited higher viral abundance and were also shown to be co-infected with both GVA and grapevine leafroll-associated virus (GLRaV-4) strain 9. Differential gene (DE) expression analysis revealed physiological responses of Vitis vinifera to the infection. Similar to other plant pathogen infections, SD upregulated genes associated with the systemic acquired resistance (SAR) mechanism and downregulated genes related to vine immunity. Additionally, upregulated genes suggests that callose deposition and the blocking of phloem sieve elements are likely employed by V. vinifera as a defence strategy to limit the internal spread of SD viruses. https://oeno-one.eu/article/view/8284Grapevine Shiraz diseaseGrapevine Virus AGrapevine leafroll virusSystemic Acquired ResistanceTranscriptomics |
| spellingShingle | Cristobal Onetto Dilrukshi Nagahatenna Yeniu Mickey Wang Vinay Pagay Anthony Borneman Viral diversity and phloem transcriptional changes in grapevine Shiraz disease infected vines OENO One Grapevine Shiraz disease Grapevine Virus A Grapevine leafroll virus Systemic Acquired Resistance Transcriptomics |
| title | Viral diversity and phloem transcriptional changes in grapevine Shiraz disease infected vines |
| title_full | Viral diversity and phloem transcriptional changes in grapevine Shiraz disease infected vines |
| title_fullStr | Viral diversity and phloem transcriptional changes in grapevine Shiraz disease infected vines |
| title_full_unstemmed | Viral diversity and phloem transcriptional changes in grapevine Shiraz disease infected vines |
| title_short | Viral diversity and phloem transcriptional changes in grapevine Shiraz disease infected vines |
| title_sort | viral diversity and phloem transcriptional changes in grapevine shiraz disease infected vines |
| topic | Grapevine Shiraz disease Grapevine Virus A Grapevine leafroll virus Systemic Acquired Resistance Transcriptomics |
| url | https://oeno-one.eu/article/view/8284 |
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