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  • Title: Tomato leaf curl New Delhi virus: an emerging plant begomovirus threatening cucurbit production.
    Author: Cai L, Mei Y, Ye R, Deng Y, Zhang X, Hu Z, Zhou X, Zhang M, Yang J.
    Journal: aBIOTECH; 2023 Sep; 4(3):257-266. PubMed ID: 37970471.
    Abstract:
    UNLABELLED: Tomato leaf curl New Delhi virus (ToLCNDV), a bipartite begomovirus, was first reported to infect tomato and has recently spread rapidly as an emerging disease to Cucurbitaceae crops. To date, the virus has been reported to infect more than 11 cucurbit crops, in 16 countries and regions, causing severe yield losses. In autumn 2022, ToLCNDV was first isolated from cucurbit plants in Southeastern coastal areas of China. Phylogenetic analysis established that these isolates belong to the Asian ToLCNDV clade, and shared high nucleotide identity and closest genetic relationship with the DNA-A sequence from the Chinese tomato-infecting ToLCNDV isolate (Accession no. OP356207) and the tomato New Delhi ToLCNDV-Severe isolate (Accession no. HM159454). In this review, we summarize the occurrence and distribution, host range, detection and diagnosis, control strategies, and genetic resistance of ToLCNDV in the Cucurbitaceae. We then summarize pathways that could be undertaken to improve our understanding of this emerging disease, with the objective to develop ToLCNDV-resistant cucurbit cultivars. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1007/s42994-023-00118-4.
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