期刊
VIRUSES-BASEL
卷 6, 期 7, 页码 2602-2622出版社
MDPI
DOI: 10.3390/v6072602
关键词
citrus; plant disease; Dichorhavirus; deep-sequencing; plant defense
类别
资金
- CONACyT
- SENASICA-SAGARPA
The causal agents of Citrus leprosis are viruses; however, extant diagnostic methods to identify them have failed to detect known viruses in orange, mandarin, lime and bitter orange trees with severe leprosis symptoms in Mexico, an important citrus producer. Using high throughput sequencing, a virus associated with citrus leprosis was identified, belonging to the proposed Dichorhavirus genus. The virus was termed Citrus Necrotic Spot Virus (CNSV) and contains two negative-strand RNA components; virions accumulate in the cytoplasm and are associated with plasmodesmata-channels interconnecting neighboring cells-suggesting a mode of spread within the plant. The present study provides insights into the nature of this pathogen and the corresponding plant response, which is likely similar to other pathogens that do not spread systemically in plants.
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