Peste negra en Albahaca (Tomato Spotted Wilt Virus, TSWV)

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Condición fitosanitaria: Presente

Grupo de cultivos: Aromáticas

Especie hospedante: Albahaca (Ocimum basilicum)

Rango de hospedantes: puede infectar más de 550 especies de plantas de 70 famílias botánicas. En papa la enfermedad es conocida como “Top necrosis” (Salvalaggio et al., 2017).

Epidemiología: policíclica, subaguda.

Etiología: Virus. Biotrófico como todos los virus.

Agente causal: Tomato spotted wilt virus (TSWV) (región pampeana, valle Rio Negro), Groundnut ringspot virus (GRSV) (cuyo, nordeste), Tomato chlorotic spot virus (TCSV) (litoral, menor incidencia Bs As y La Plata)

Taxonomía:

Viruses > Riboviria> Orthornavirae > Negarnaviricota > Polyploviricotina > Ellioviricetes > Bunyavirales > Tospoviridae > Orthotospovirus > Tomato spotted wilt orthotospovirus

Viruses > Riboviria > Orthornavirae > Negarnaviricota > Polyploviricotina > Ellioviricetes > Bunyavirales > Tospoviridae > Orthotospovirus >  Groundnut ringspot tospovirus

Viruses > Riboviria > Orthornavirae > Negarnaviricota > Polyploviricotina > Ellioviricetes > Bunyavirales > Tospoviridae > Orthotospovirus > Tomato chlorotic spot tospovirus

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ICTV: ssRNA negative-strand viruses > TSWV

ICTB Taxonomy history: Tomato spotted wilt orthotospovirus

Baltimore classification: Group IV: ssRNA(-) Baltimore, 1971

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Estructura del virus

 

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Bibliografía

Bandla MD, Westcot DM, Chenault K, et al. (1994) Use of monoclonal antibody to the nonstructural protein encoded by the small RNA of Tomato spotted wilt tospovirus to identify viruliferous thrips. Phytopathology 84: 1427–1431. doi: 10.1094/Phyto-84-1427

Bandla MD, Campbell LR, Ullman DE, Sherwood JL (1998) Interaction of Tomato spotted wilt tospovirus (TSWV) glycoproteins with a thrips midgut protein, a potential cellular receptor for TSWV. Phytopathology 88: 98–104. doi: 10.1094/PHYTO.1998.88.2.98

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Montero-Astúa M, Ullman DE, Whitfield AE (2016) Salivary gland morphology, tissue tropism and the progression of tospovirus infection in Frankliniella occidentalis. Virology 493: 39–51. doi: 10.1016/j.virol.2016.03.003

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Nagata T, Inoue-Nagata AK, Prins M, et al. (2000). Impeded thrips transmission of defective Tomato spotted wilt virus isolates. Phytopathology 90: 454–459. doi: 10.1094/PHYTO.2000.90.5.454

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Ullman DE, Westcot DM, Hunter WB, Mau RFL (1989) Internal anatomy and morphology of Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) with special reference to interactions between thrips and Tomato spotted wilt virus. Int. J. Insect Morphol. Embryol. 18: 289–310. doi: 10.1016/0020-7322(89)90011-1

Van De Wetering F, Goldbach R, Peters D (1996) Tomato spotted wilt tospovirus ingestion by first instar larvae of Frankliniella occidentalis is a prerequisite for transmission. Phytopathology 86: 900–905. doi: 10.1094/Phyto-86-900

Wagemans J, Holtappels D, Vainio E, et al. (2022) Going Viral: Virus-Based Biological Control Agents for Plant Protection. Annu Rev Phytopathol. 60: 21-42. doi: 10.1146/annurev-phyto-021621-114208

Whitfield AE, Ullman DE, German TL (2004) Expression and characterization of a soluble form of Tomato spotted wilt virus glycoprotein G_N. J. Virol. 78: 13197–13206. doi: 10.1128/JVI.78.23.13197-13206.2004

Wijkamp I, Goldbach R, Peters D (1996) Propagation of Tomato spotted wilt virus in Frankliniella occidentalis does neither result in pathological effects nor in transovarial passage of the virus. Entomol. Exp. Appl. 81: 285–292. doi: 10.1046/j.1570-7458.1996.00098.x

Zhang H, Hu Q (2023) TOM1 family conservation within the plant kingdom for tobacco mosaic virus accumulation. Molecular Plant Pathology 00: 1– 15. doi: 10.1111/mpp.13375