Plantago asiatica mosaic virus: An emerging plant virus causing necrosis in lilies and a new model RNA virus for molecular research

Taxonomy Plantago asiatica mosaic virus belongs to the genus Potexvirus in the family Alphaflexiviridae of the order Tymovirales. Virion and genome properties Plantago asiatica mosaic virus (PlAMV) has flexuous virions of approximately 490–530 nm in length and 10–15 nm in width. The genome of PlAMV...

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Vydané v:Molecular plant pathology Ročník 23; číslo 10; s. 1401 - 1414
Hlavní autori: Komatsu, Ken, Hammond, John
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Oxford John Wiley & Sons, Inc 01.10.2022
John Wiley and Sons Inc
Predmet:
Analysis
Arabidopsis thaliana
Biodiversity
Biological diversity
Coat protein
coat proteins
Disease control
Disease transmission
Genes
Genomes
Genomics
Host range
lily
Nandina domestica
Necrosis
Nicotiana benthamiana
Nucleotides
Open reading frames
Ornamental plants
Pathogen Profile
Phylogeny
plant pathology
Plant species
Plant viruses
Plantago asiatica
Plantago asiatica mosaic virus
Plants
potexviruses
Proteins
Rehmannia glutinosa
Ribonucleic acid
RNA
RNA viruses
Signs and symptoms
Species diversity
Systemic necrosis
Taxonomy
Tymoviridae
Vectors
virion
Virions
Viruses
weeds
Wild plants
Netherlands
California
United States > US
Japan
ISSN:1464-6722, 1364-3703, 1364-3703
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Popis
Shrnutí:Taxonomy Plantago asiatica mosaic virus belongs to the genus Potexvirus in the family Alphaflexiviridae of the order Tymovirales. Virion and genome properties Plantago asiatica mosaic virus (PlAMV) has flexuous virions of approximately 490–530 nm in length and 10–15 nm in width. The genome of PlAMV consists of a single‐stranded, positive‐sense RNA of approximately 6.13 kb. It contains five open reading frames (ORFs 1–5), encoding a putative viral polymerase (RdRp), movement proteins (triple gene block proteins, TGBp1‐3), and coat protein (CP), respectively. Host range PlAMV has an exceptionally wide host range and has been isolated from various wild plants, including Plantago asiatica, Nandina domestica, Rehmannia glutinosa, and other weed plants. Experimentally PlAMV can infect many plant species including Nicotiana benthamiana and Arabidopsis thaliana. It also infects ornamental lilies and frequently causes severe necrotic symptoms. However, host range varies depending on isolates, which show significant biological diversity within the species. Genome diversity PlAMV can be separated into five clades based on phylogenetic analyses; nucleotide identities are significantly low between isolates in the different clades. Transmission PlAMV is not reported to be transmitted by biological vectors. Virions of PlAMV are quite stable and it can be transmitted efficiently by mechanical contact. Disease symptoms PlAMV causes red‐rusted systemic necrosis in ornamental lilies, but it shows much weaker, if any, symptoms in wild plants such as P. asiatica. Control Control of the disease caused by PlAMV is based mainly on rapid diagnosis and elimination of the infected bulbs or plants. This pathogen profile summarizes current knowledge regarding Plantago asiatica mosaic virus, including its host range, strain differentiation, host interactions, and utility as a viral vector to examine virus–host interactions.
Bibliografia:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:1464-6722
1364-3703
1364-3703
DOI:10.1111/mpp.13243