Genetic Diversity of Grapevine Virus A in Three Australian Vineyards Using Amplicon High Throughput Sequencing (Amplicon-HTS)
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(Published version)
Date
2024
Authors
Wu, Q.
Kinoti, W.M.
Habili, N.
Tyerman, S.D.
Rinaldo, A.
Constable, F.E.
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Journal article
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Viruses, 2024; 16(1):42-1-42-23
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Qi Wu, Wycliff M. Kinoti, Nuredin Habili, Stephen D. Tyerman, Amy Rinaldo and Fiona E. Constable
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Abstract
Shiraz disease (SD) is one of the most destructive viral diseases of grapevines in Australia and is known to cause significant economic loss to local growers. Grapevine virus A (GVA) was reported to be the key pathogen associated with this disease. This study aimed to better understand the diversity of GVA variants both within and between individual SD and grapevine leafroll disease (LRD) affected grapevines located at vineyards in South Australia. Amplicon high throughput sequencing (Amplicon-HTS) combined with median-joining networks (MJNs) was used to analyze the variability in specific gene regions of GVA variants. Several GVA<sup>II</sup> variant groups contain samples from both vineyards studied, suggesting that these GVA<sup>II</sup> variants were from a common origin. Variant groups analyzed by MJNs using the overall data set denote that there may be a possible relationship between variant groups of GVA and the geographical location of the grapevines.
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Published: 27 December 2023
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© 2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).