Ilarvirus
Mostrando 1-6 de 6 artigos, teses e dissertações.
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1. Caracterização molecular de Prunus necrotic ringspot vírus isolado de roseira no Brasil
RESUMO: Inexiste caracterização molecular de isolados brasileiros de Prunus necrotic ringspot virus (PNRSV), exceto aqueles de pessegueiros. Neste trabalho, o agente causal do mosaico da roseira foi determinado e os genes das proteínas de movimento (MP) e capsidial (CP) de um isolado de PNRSV de roseira foram molecularmente caracterizados pela primeira ve
Cienc. Rural. Publicado em: 2015-12
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2. Detecção e caracterização molecular dos genes da proteína capsidial de ilarvírus e ampelovírus que infectam fruteiras temperadas
Dentre os principais patógenos que incidem em fruteiras temperadas, destacam-se o Prune dwarf virus (PDV), o Apple mosaic virus (ApMV) e o Grapevine leafroll-associated virus 1 (GLRaV-1). Neste trabalho foram realizadas a detecção e a caracterização molecular dos genes da proteína capsidial de isolados destas três espécies virais. RNAs totais foram e
Ciência Rural. Publicado em: 2011
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3. A plant viral coat protein RNA binding consensus sequence contains a crucial arginine.
A defining feature of alfalfa mosaic virus (AMV) and ilarviruses [type virus: tobacco streak virus (TSV)] is that, in addition to genomic RNAs, viral coat protein is required to establish infection in plants. AMV and TSV coat proteins, which share little primary amino acid sequence identity, are functionally interchangeable in RNA binding and initiation of i
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4. Translation of a nonpolyadenylated viral RNA is enhanced by binding of viral coat protein or polyadenylation of the RNA
On entering a host cell, positive-strand RNA virus genomes have to serve as messenger for the translation of viral proteins. Efficient translation of cellular messengers requires interactions between initiation factors bound to the 5′-cap structure and the poly(A) binding protein bound to the 3′-poly(A) tail. Initiation of infection with the tripart
The National Academy of Sciences.
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5. Viral Coat Protein Peptides with Limited Sequence Homology Bind Similar Domains of Alfalfa Mosaic Virus and Tobacco Streak Virus RNAs
An unusual and distinguishing feature of alfalfa mosaic virus (AMV) and ilarviruses such as tobacco streak virus (TSV) is that the viral coat protein is required to activate the early stages of viral RNA replication, a phenomenon known as genome activation. AMV-TSV coat protein homology is limited; however, they are functionally interchangeable in activating
American Society for Microbiology.
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6. Degenerate In Vitro Genetic Selection Reveals Mutations That Diminish Alfalfa Mosaic Virus RNA Replication without Affecting Coat Protein Binding
The alfalfa mosaic virus (AMV) RNAs are infectious only in the presence of the viral coat protein; however, the mechanisms describing coat protein's role during replication are disputed. We reasoned that mechanistic details might be revealed by identifying RNA mutations in the 3′-terminal coat protein binding domain that increased or decreased RNA replicat
American Society for Microbiology.