:Plants and VirusesTobacco Mosaic VirusViruses in PlantsPublish Year:2021 · The study of the action of plant polyphenols and flavonoids revealed their high effectiveness in suppressing plant virus infection, particularly with the tobacco
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:Plant Virus ReviewTobacco Mosaic Virus · Plant viruses enter the plant cell by mechanical injury, when transported by insects or nematodes feeding on them or via parasitic agents such as fungi. Virus
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The goal of the EPPO-Q-bank Plant Viruses and Viroids database is to provide genomic information on (regulated and other important) plant viruses and viroids. A unique feature of EPPO-Q-bank is that it, where possible, also links data to isolates which are physically available. Quality criteria apply to both the database and collection , which
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· Plant viruses mainly come in the form of single-stranded (ss) and double-stranded (ds) RNA viruses, as well as single-stranded and DNA-containing retroviruses []. Due to a wide diversity of their genetic material, the reproductive cycle and life pattern often vary from virus to virus ( Fig. 2A ).
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· The recent developments in molecular biology and genomics techniques have enabled us to develop methods for plant viral diagnostics by obviating the need to culture viruses. The advent of next-generation sequencing (NGS) technologies has invariably led to a revolution in plant virus diagnosis [ 13, 14 ].
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This platform is based on carbon nanotube arrays inside a microfluidic device that can be a solution for the identification of low titer viruses from plants. Using our microfluidic devices, we achieved enrichment of two economically important viruses, the orthotospovirus, tomato spotted wilt orthotospovirus (TSWV) and the potyvirus, zucchini
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:Plant VirusViruses · Viruses possess a small genomic coding capacity, but they are among the most agriculturally important and intriguing pathogens of plants. Plant viruses cause significant losses in several major crops
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· Reverse genetics using infectious clones—available for many plant viruses—has been used for identification of viral determinants involved in virus–host and virus–vector interactions. Although many studies have identified a number of factors involved in disease development and transmission, the precise mechanisms are
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Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, Sources to access available information regarding plant virus transmissions are scattered and require extensive literature searches. Here, a
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Complementary DNA (cDNA) clones, specifi c to any region of the viral genome, are commonly used as a probe to detect virus in plant extracts. To produce cDNA clones, the viral RNA is usually converted to double-stranded DNA and cloned into suitable vectors (Sambrook et al. 1989).
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Viral diseases provide a major challenge to twenty-first century agriculture worldwide. Climate change and human population pressures are driving rapid alterations in agricultural practices and cropping systems that favor destructive viral disease outbreaks. Such outbreaks are strikingly apparent in subsistence agriculture in food-insecure regions.
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· Plant virus ecology mainly focuses upon populations and their interactions with host plants. within environment. The subj ect includes interesting insights as many factors w hich affect the viru s
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· Many scientists, if not all, feel that their particular plant virus should appear in any list of the most important plant viruses. However, to our knowledge, no such list exists. The aim of this review was to survey all plant virologists with an association with Molecular Plant Pathology and ask them to nominate which plant viruses they would
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· Viral infections in plants threaten food security. Thus, simple and effective methods for virus detection are required to adopt early measures that can prevent virus spread. However, current methods based on the amplification of the viral genome by polymerase chain reaction (PCR) require laboratory conditions. Here, we exploited the
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Plant is immune, no or limited viral replication occurs, no cell‐to‐cell movement. Virus replicates and moves through out the plant without obvious symptoms evident – latent (tolerance) Virus replicates and causes symptoms in new leaves but with time and further plant growth symptoms disappear ‐ plant recovers.
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From just over 100 plant viruses which are known to be seed transmitted, about 20 viruses belong to the genus Potyvirus, including SMV, LMV, ZYMV, PVY, PSbMV, and Watermelon mosaic virus ( Mink, 1993 ). Many descriptive works were published from the 1950s to the 1980s that resulted in the biological characterization of seed transmission of
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· The paper also addresses the recent documentation of new plant viruses impacting vegetable production in the USA and covers the two primary methods for engineering virus resistance. It emphasizes the challenges that
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· Plant viruses are widespread worldwide. Common viruses include mosaic, leaf curl, poxvirus, dwarf, leaf roll, and bushy stunt virus. Since plant viruses are not only one of the main threats to crop growth but also cause important economic losses in many agronomic systems, for sustainable and healthy agricultural production, it is
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:Evolution and Ecology of Plant VirusesPlant Virus ReviewPublish Year:2019 · Main text. Plant virus diversity. Plant viruses can be categorized by several ecological, structural, and evolutionary features ( Figure 1 ). Phylogenetically,
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· Plants in a non-agricultural setting interact with many other living entities such as animals, insects, and other plants, as well as their physical environment. Wild plants are almost always colonized by
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· Empirically, in natural ecosystems at least, the optimal degree of harm that plant viruses inflict on their hosts is probably very low 128, 129, 130. The hypothesis that most plant virus
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Ahlquist P, Noueiry AO, Lee WM, Kushner DB, Dye BT (2003) Host factors in positive-strand RNA virus genome replication. J Virol 77: 8181–8186 [PMC free article] [] [Google Scholar] Alzhanova DV, Napuli AJ, Creamer R, Dolja VV (2001) Cell-to-cell movement and assembly of a plant closterovirus: roles for the capsid proteins and Hsp70 homolog.
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:Plant VirusViruses · Plant viruses are parasites that infect plants and create great economic loss worldwide, especially agriculture-based countries. The management of virus diseases is still challenging due to the high mutation rate of viral genomes. Virus have different modes of transmission including horizontal and vertical. In horizontal transmission, insect
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The continued efforts of the plant virology community of Japan to index all plant viruses and viroids occurring in Japan, which represent 407 viruses, including 303 virus species and 104 unclassified viruses, and 25 viroids, including 20 species and 5 unclassified viroids, as of October 2021, were also introduced.
ConsultaJust as discoveries made with plant viruses laid the foundations of virology and yielded crucial insights into numerous fundamental aspects of cellular and molecu-lar biology
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We also identify currently unknown aspects of plant virus ecology and evolution that are of practical importance and that should be resolvable in the near future through viral metagenomics
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· There is a special class of miRNAs which are mostly of 22 nt size and triggers tasiRNAs. These tasiRNAs, in turn, control many development-related genes of plants. 3. Significance of miRNAs causing gene regulation during viral infections. miRNAs are the agents causing post-transcriptional negative control of genes.
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Viral Diseases of Plants—page 2 Pathogen Biology Viruses are obligate parasites; that is, they require a living host in order to grow and multiply. Once in a wounded cell, the virus particle sheds its protein coat and the nucleic acid then directs the production of
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· Emerging and reemerging plant viruses in a context of global change. Emerging and reemerging plant diseases can be defined as those diseases caused by new or reappearing pathogens which, due to their intrinsic characteristics, have the ability to spread rapidly and cause epidemics in certain agro-climatic contexts.
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:Evolution and Ecology of Plant VirusesPublish Year:2019 · This study provides compelling evidence that conditional interactions of plant viruses, plant genotypes and the environment modulate the outcome of symbiosis.
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