Tomato fruit blotch virus cytopathology strengthens evolutionary links between plant blunerviruses and insect negeviruses.

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Author(s): KITAKIMA, E. W.; NAKASU, E. Y. T.; INOUE-NAGATA, A. K.; SALAROLI, R. B.; RAMOS-GONZÁLEZ, P. L.

Summary: Tomato fruit blotch virus (ToFBV) is a blunervirus that causes blotches on mature tomato (Solanum lycopersicon L.) fruits in Italy and Australia in 2020, and was newly detected in Brazil. A cytological study on pericarp tissues from the blotched areas of infected fruits collected in Brasília, Brazil, revealed characteristic cell alterations. Small and slender bacilliform particles (ca. 25 nm wide × 100 nm long) were found accumulating in the perinuclear space and the lumen of the endoplasmic reticulum of the epidermis, peri- and mesocarp cells. No viroplasmlike inclusion was observed either in the nuclei or in the cytoplasm.

Publication year: 2023

Types of publication: Journal article

Unit: Embrapa Vegetables

Keywords: Doença de Planta, Kitavirus, Solanum lycopersicum var. lycopersicum, Tomate, Tomato fruit blotch virus, Tomatoes, Transmission electron microscopy, Virus-like particles, Vírus

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