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Rogers EE, Stone AL, Burchard E, Sherman DJ, Dardick C. Almond Can Be Infected by Plum Pox Virus-D Isolate Penn4 and Is a Transmission-Competent Host. PLANT DISEASE 2024; 108:1486-1490. [PMID: 38372721 DOI: 10.1094/pdis-09-23-1910-sc] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/20/2024]
Abstract
Although it is currently eradicated from the United States, Plum pox virus (PPV) poses an ongoing threat to U.S. stone fruit production. Although almond (Prunus dulcis) is known to be largely resistant to PPV, there is conflicting evidence about its potential to serve as an asymptomatic reservoir host for the virus and thus serve as a potential route of entry. Here, we demonstrate that both Tuono and Texas Mission cultivars can be infected by the U.S. isolate PPV Dideron (D) Penn4 and that Tuono is a transmission-competent host, capable of serving as a source of inoculum for aphid transmission of the virus. These findings have important implications for efforts to keep PPV out of the United States and highlight the need for additional research to test the susceptibility of almond to other PPV-D isolates.
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Affiliation(s)
- Elizabeth E Rogers
- Foreign Disease-Weed Science Research Unit, U.S. Department of Agriculture-Agricultural Research Service, Frederick, MD 21702
| | - Andrew L Stone
- Foreign Disease-Weed Science Research Unit, U.S. Department of Agriculture-Agricultural Research Service, Frederick, MD 21702
| | - Erik Burchard
- Appalachian Fruit Research Station, U.S. Department of Agriculture-Agricultural Research Service, Kearneysville, WV 25430
| | - Diana J Sherman
- Foreign Disease-Weed Science Research Unit, U.S. Department of Agriculture-Agricultural Research Service, Frederick, MD 21702
| | - Chris Dardick
- Appalachian Fruit Research Station, U.S. Department of Agriculture-Agricultural Research Service, Kearneysville, WV 25430
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Wu Q, Kinoti WM, Habili N, Tyerman SD, Rinaldo A, Constable FE. Genetic Diversity of Grapevine Virus A in Three Australian Vineyards Using Amplicon High Throughput Sequencing (Amplicon-HTS). Viruses 2023; 16:42. [PMID: 38257742 PMCID: PMC10819895 DOI: 10.3390/v16010042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 12/18/2023] [Accepted: 12/25/2023] [Indexed: 01/24/2024] Open
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 GVAII variant groups contain samples from both vineyards studied, suggesting that these GVAII 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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Affiliation(s)
- Qi Wu
- School of Agriculture, Food and Wine, University of Adelaide, Waite Precinct, PMB 1, Glen Osmond, SA 5064, Australia (S.D.T.)
- Australian Wine Research Institute, Wine Innovation Central Building, Hartley Grove crn Paratoo Road, Urrbrae, SA 5064, Australia
| | - Wycliff M. Kinoti
- Agriculture Victoria Research, Department of Energy, Environment and Climate Action, AgriBio, Centre for AgriBioscience, 5 Ring Road, Bundoora, VIC 3083, Australia
| | - Nuredin Habili
- School of Agriculture, Food and Wine, University of Adelaide, Waite Precinct, PMB 1, Glen Osmond, SA 5064, Australia (S.D.T.)
- Australian Wine Research Institute, Wine Innovation Central Building, Hartley Grove crn Paratoo Road, Urrbrae, SA 5064, Australia
| | - Stephen D. Tyerman
- School of Agriculture, Food and Wine, University of Adelaide, Waite Precinct, PMB 1, Glen Osmond, SA 5064, Australia (S.D.T.)
| | - Amy Rinaldo
- Australian Wine Research Institute, Wine Innovation Central Building, Hartley Grove crn Paratoo Road, Urrbrae, SA 5064, Australia
| | - Fiona E. Constable
- Agriculture Victoria Research, Department of Energy, Environment and Climate Action, AgriBio, Centre for AgriBioscience, 5 Ring Road, Bundoora, VIC 3083, Australia
- School of Applied Systems Biology, La Trobe University, Bundoora, VIC 3086, Australia
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Plant Virus Adaptation to New Hosts: A Multi-scale Approach. Curr Top Microbiol Immunol 2023; 439:167-196. [PMID: 36592246 DOI: 10.1007/978-3-031-15640-3_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Viruses are studied at each level of biological complexity: from within-cells to ecosystems. The same basic evolutionary forces and principles operate at each level: mutation and recombination, selection, genetic drift, migration, and adaptive trade-offs. Great efforts have been put into understanding each level in great detail, hoping to predict the dynamics of viral population, prevent virus emergence, and manage their spread and virulence. Unfortunately, we are still far from this. To achieve these ambitious goals, we advocate for an integrative perspective of virus evolution. Focusing in plant viruses, we illustrate the pervasiveness of the above-mentioned principles. Beginning at the within-cell level, we describe replication modes, infection bottlenecks, and cellular contagion rates. Next, we move up to the colonization of distal tissues, discussing the fundamental role of random events. Then, we jump beyond the individual host and discuss the link between transmission mode and virulence. Finally, at the community level, we discuss properties of virus-plant infection networks. To close this review we propose the multilayer network theory, in which elements at different layers are connected and submit to their own dynamics that feed across layers, resulting in new emerging properties, as a way to integrate information from the different levels.
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Simkovich A, Kohalmi SE, Wang A. Purification and Proteomics Analysis of Phloem Tissues from Virus-Infected Plants. Methods Mol Biol 2022; 2400:125-137. [PMID: 34905197 DOI: 10.1007/978-1-0716-1835-6_13] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The plant phloem vasculature is crucial for plant growth and development, and is essential for the systemic movement (SM) of plant viruses. Recent transcriptomic studies of the phloem during virus infection have shown the importance of this tissue, yet transcript levels do not provide definitive answers how virus-host interactions favour successful viral SM. Proteomic analyses have been used to identify host-virus protein interactions, uncovering a variety of ways by which viruses utilize host cellular machinery for completion of the viral infection cycle. Despite this new evidence through proteomics, very few phloem centric studies during viral infection have been performed. Here, we describe a protocol for the isolation of phloem tissues and proteins and the subsequent label-free quantitation (LFQ), for identification of proteomic alterations caused by viral infection.
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Affiliation(s)
- Aaron Simkovich
- London Research and Development Centre, Agriculture and Agri-Food Canada, London, ON, Canada
- Department of Biology, The University of Western Ontario, London, ON, Canada
| | - Susanne E Kohalmi
- Department of Biology, The University of Western Ontario, London, ON, Canada
| | - Aiming Wang
- London Research and Development Centre, Agriculture and Agri-Food Canada, London, ON, Canada.
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Collum TD, Stone AL, Sherman DJ, Damsteegt VD, Schneider WL, Rogers EE. Viral Reservoir Capacity of Wild Prunus Alternative Hosts of Plum Pox Virus Through Multiple Cycles of Transmission and Dormancy. PLANT DISEASE 2022; 106:101-106. [PMID: 34293916 DOI: 10.1094/pdis-04-21-0802-re] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Plum pox virus (PPV) is a significant pathogen of Prunus worldwide and is known for having a broad experimental host range. Many of these hosts represent epidemiological risks as potential wild viral reservoirs. A comparative study of the PPV reservoir capacity of three commonly found native North American species, western choke cherry (Prunus virginiana var. demissa), black cherry (Prunus serotina), and American plum (Prunus americana) was conducted. Pennsylvania isolates of PPV-D were transmitted from the original host peach (Prunus persica cv. GF305) to all three species. Viral accumulation and transmission rates to alternative hosts and peach were monitored over the course of five vegetative growth and cold induced dormancy (CID) cycles. The three alternative host species demonstrated differences in their ability to maintain PPV-D and the likelihood of transmission to additional alternative hosts or back transmission to peach. Western choke cherry had low (5.8%) initial infection levels, PPV-D was not transmissible to additional western choke cherry, and transmission of PPV-D from western choke cherry to peach was only possible before the first CID cycle. Black cherry had intermediate initial infection levels (26.6%) but did not maintain high infection levels after repeated CID cycles. Conversely, American plum had a high level (50%) of initial infection that was not significantly different from initial infection in peach (72.2%) and maintained moderate levels (15 to 25%) of infection and PPV-D transmission to both American plum and peach through all five cycles of CID. Our results indicate that American plum has the greatest potential to act as a reservoir host for Pennsylvania isolates of PPV-D.
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Affiliation(s)
- Tamara D Collum
- Foreign Disease-Weed Science Research Unit, United States Department of Agriculture, Agricultural Research Service, Frederick, MD 21702
| | - Andrew L Stone
- Foreign Disease-Weed Science Research Unit, United States Department of Agriculture, Agricultural Research Service, Frederick, MD 21702
| | - Diana J Sherman
- Foreign Disease-Weed Science Research Unit, United States Department of Agriculture, Agricultural Research Service, Frederick, MD 21702
| | - Vernon D Damsteegt
- Foreign Disease-Weed Science Research Unit, United States Department of Agriculture, Agricultural Research Service, Frederick, MD 21702
| | - William L Schneider
- Foreign Disease-Weed Science Research Unit, United States Department of Agriculture, Agricultural Research Service, Frederick, MD 21702
| | - Elizabeth E Rogers
- Foreign Disease-Weed Science Research Unit, United States Department of Agriculture, Agricultural Research Service, Frederick, MD 21702
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Shaffer CM, Michener DC, Vlasava NB, Chotkowski H, Lamour K, Stainton D, Tzanetakis IE. The population structure of the secovirid lychnis mottle virus based on the RNA2 coding sequences. Virus Res 2021; 303:198468. [PMID: 34090963 DOI: 10.1016/j.virusres.2021.198468] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 05/25/2021] [Accepted: 05/26/2021] [Indexed: 11/18/2022]
Abstract
Lychnis mottle virus (LycMoV), family Secoviridae, is one of several viruses recently detected in peony. Given the high prevalence of the virus in the more than 300 samples tested, the population structure of the virus was studied using 48 isolates representing at least 20 cultivars and collected from major producing and propagating states in the United States. The homogeneity of the United States population, based on data from the RNA2 coding region, along with phylogenetic analyses of all publicly available sequences point to the dissemination of the virus through propagation material rather that active vector-mediated transmission.
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Affiliation(s)
- Cullen M Shaffer
- Department of Entomology and Plant Pathology, Division of Agriculture, University of Arkansas System, Fayetteville, AR 72701
| | - David C Michener
- University of Michigan Matthaei Botanical Gardens & Nichols Arboretum, Ann Arbor, MI 48105
| | | | | | - Kurt Lamour
- Department of Entomology and Plant Pathology, University of Tennessee, Knoxville, TN, 37996
| | - Daisy Stainton
- Department of Entomology and Plant Pathology, Division of Agriculture, University of Arkansas System, Fayetteville, AR 72701
| | - Ioannis E Tzanetakis
- Department of Entomology and Plant Pathology, Division of Agriculture, University of Arkansas System, Fayetteville, AR 72701.
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