Viruses (2016) 8 (11 - 307)

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Isabel M. Fortes, Sonia Sánchez-Campos, Elvira Fiallo-Olivé, Juan A. Díaz-Pendón, Jesús Navas-Castillo and Enrique Moriones (2016)
A novel strain of Tomato leaf curl New Delhi virus has spread to the Mediterranean Basin
Viruses 8 (11 - 307)
Abstract: Tomato leaf curl New Delhi virus (ToLCNDV) is a whitefly-transmitted bipartite begomovirus (genus Begomovirus, family Geminiviridae) that causes damage to multiple cultivated plant species mainly belonging to the Solanaceae and Cucurbitaceae families. ToLCNDV was limited to Asian countries until 2012, when it was first reported in Spain, causing severe epidemics in cucurbit crops. Here, we show that a genetically-uniform ToLCNDV population is present in Spain, compatible with a recent introduction. Analyses of ToLCNDV isolates reported from other parts of the world indicated that this virus has a highly heterogeneous population genetically with no evident geographical, plant host or year-based phylogenetic groups observed. Isolates emerging in Spain belong to a strain that seems to have evolved by by recombination. Isolates of this strain seem adapted to infecting cucurbits, but poorly infect tomatoes.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website

Database assignments for author(s): Jesús Navas-Castillo

Research topic(s) for pests/diseases/weeds:
population dynamics/ epidemiology
new introduction of pest

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.
Tomato leaf curl New Delhi virus Spain (continental)