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Plant Virus Transmission by Insects

AuthorsFereres, Alberto ; Raccah, Benjamín
KeywordsInsect vectors
Non Persistent
Non Circulative
Virus-encoded proteins
Issue Date15-Apr-2015
PublisherJohn Wiley & Sons
CitationeLS (ENCYCLOPEDIA OF LIFE SCIENCES) (April):1-12 (2015)
AbstractMost plant viruses depend on insect vectors for their survival, transmission and spread. They transmit plant viruses by two principal modes, circulative (circulating through the insect’s haemocoel, CV) and non-circulative (carried on the cuticle lining of mouthparts or foregut, NC). Transmissibility and specificity between NC viruses and their vectors depends on the coat protein (CP) of the virus in addition to virus encoded helper proteins. Circulative viruses cross the gut, circulate in the haemocoel and cross the salivary glands to render the insect infective. Circulative luteoviruses depend on small CP and the read-through protein (RTD) for transmission. Electrical penetration graphs have provided evidence on insect feeding behaviour and virus transmission. Recently, studies have shown that viruses can modify vector behaviour in a way that transmission is enhanced. Cultural, physical and novel biotechnological tools can provide virus control by interfering with vector landing and the retention of viruses in their vectors.
Description12 páginas, 5 figuras, y 2 tablas Acknowledgements In memorial of Prof. Michael Thresh, for his outstanding contributions in the field of Plant Virus Epidemiology
Publisher version (URL)http://dx.doi.org/10.1002/9780470015902.a0000760.pub3
Appears in Collections:(ICA) Artículos
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