http://www.cnr.it/ontology/cnr/individuo/prodotto/ID56893
A Mutation in the Lettuce Infectious Yellows Virus Minor Coat Protein Disrupts Whitefly Transmission but Not In Planta Systemic Movement (Articolo in rivista)
- Type
- Label
- A Mutation in the Lettuce Infectious Yellows Virus Minor Coat Protein Disrupts Whitefly Transmission but Not In Planta Systemic Movement (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1128/JVI.01192-10 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Lucy R. Stewart (1); Vicente Medina (2); Tongyan Tian (3); Massimo Turina (4); Bryce W. Falk (1); James C. K. Ng (5) (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- (1) Plant Pathology Department, Univeristy of California Davis - USA
(2) Department de Produccio Vegetal Ciencia Forestal, Univeristat de Lleida (UdL) - Spain
(3) California Department of Food and Agricolture, Sacramento, California - USA
(4) Instituto di Virologia Vegetale, CNR, Torino - Italy
(5) Department of Plant Pathology and Microbiology, University of California, Riverside - California (literal)
- Titolo
- A Mutation in the Lettuce Infectious Yellows Virus Minor Coat Protein Disrupts Whitefly Transmission but Not In Planta Systemic Movement (literal)
- Abstract
- The Lettuce infectious yellows virus (LIYV) RNA 2 mutant p1-5b was previously isolated from Bemisia
tabaci-transmitted virus maintained in Chenopodium murale plants. p1-5b RNA 2 contains a single-nucleotide
deletion in the minor coat protein (CPm) open reading frame (ORF) that is predicted to result in a frameshift
and premature termination of the protein. Using the recently developed agroinoculation system for LIYV, we
tested RNA 2 containing the p1-5b CPm mutant genotype (agro-pR6-5b) in Nicotiana benthamiana plants. We
showed that plant infection triggered by agro-pR6-5b spread systemically and resulted in the formation of
virions similar to those produced in p1-5b-inoculated protoplasts. However, virions derived from these mutant
CPm genotypes were not transmitted by whiteflies, even though virion concentrations were above the typical
transmission thresholds. In contrast, and as demonstrated for the first time, an engineered restoration mutant
(agro-pR6-5bM1) was capable of both systemic movement in plants and whitefly transmission. These results
provide strong molecular evidence that the full-length LIYV-encoded CPm is dispensable for systemic plant
movement but is required for whitefly transmission (literal)
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