• We have examined the roles of RNA-coat protein (CP) interactions in the assembly of satellite tobacco necrosis virus (STNV). (nih.gov)
  • The entire Tobacco virtovirus 1 particle consists of 60 identical copies of a single protein (CP) that make up the viral capsid (coating), and a 1063-nucleotide single-stranded RNA genome which codes for the capsid and one other protein of unknown function. (wikipedia.org)
  • the failure of his group to detect DNA homologous to viral RNA in the starting leukemic cells casts considerable doubt upon the role of this virus in the etiology of human leukemia, despite much suggestive evidence in favor. (nih.gov)
  • The results showed that diverse virus species are present in Zambian common bean fields and the information will be useful for the management of common bean viral diseases. (tamu.edu)
  • De façon plus générale, j'étudie certaines propriétés de l'évolution des virus des plantes (gamme d'hôtes, intensité de la dérive génétique lors du cycle infectieux viral, pressions de sélection exercées sur les virus). (hal.science)
  • Kassanis, 1962 ), the TRSV-associated satellite RNA (satTRSV) does not encode its own coat protein, a feature that differentiates between satellite viruses (SVs) and satRNAs. (frontiersin.org)
  • Tobacco virtovirus 1, informally called Tobacco mosaic satellite virus, Satellite tobacco mosaic virus (STMV), or tobacco mosaic satellite virus, is a satellite virus first reported in Nicotiana glauca from southern California, U.S.. Its genome consists of linear positive-sense single-stranded RNA. (wikipedia.org)
  • Tobacco virtovirus 1 is a small, icosahedral plant virus which worsens the symptoms of infection by Tobacco mosaic virus (TMV). (wikipedia.org)
  • In this study, we serially passaged the Bamboo mosaic virus (BaMV) associated-satRNA (satBaMV) under conditions in which satBaMV either coinfects an uninfected host plant, Nicotiana benthamiana , with BaMV or superinfects a transgenic N. benthamiana expressing the full-length BaMV genome. (frontiersin.org)
  • The ribosomal binding site for a species of brome mosaic virus RNA has been determined by Kaesberg et al. (nih.gov)
  • In plant protection and serological tests, no relationship was found between a cherry isolate of cherry leaf roll virus and arabis mosaic , tomato black ring , raspberry ringspot , tomato ringspot or tobacco ringspot viruses ( Cropley, 1961 ). (dpvweb.net)
  • One-way protection between elm mosaic and tomato ringspot viruses led Varney & Moore (1952) to suspect a relationship between them but serological tests ( Fulton & Fulton, 1970 ) did not confirm this. (dpvweb.net)
  • Cucumber mosaic virus is one of the most constraints to the production of tomato and other vegetable crops worldwide. (scirp.org)
  • Necrotic spots or ringspots in inoculated leaves ( Fig. 2 ), followed by mosaic or necrosis of leaves and necrosis of stems. (dpvweb.net)
  • Mulberry ringspot virus did not react with antisera to arabis mosaic , cherry leaf roll (type and golden elderberry strains), grapevine fanleaf , grapevine chrome mosaic , raspberry ringspot , strawberry latent ringspot , tobacco ringspot , tomato black ring or tomato ringspot viruses (B. D. Harrison, unpublished results). (dpvweb.net)
  • Similarity of properties and transmissibility by a nematode place mulberry ringspot virus in the nepovirus group, although its particles are perhaps smaller than those of other viruses in the group. (dpvweb.net)
  • In a genetics workshop, Vogt presented evidence for relatively stable heterozygotes of avian RNA tumor viruses and described the conditions which favor appearance of transformation-defective deletion mutants. (nih.gov)
  • The involvement of the innate immune system and the mechanisms of apoptosis in alcoholic liver disease are better appreciated, especially the emerging role of tumor necrosis factor-related apoptosis-inducing ligand (TRAIL). (medscape.com)
  • The B3-containing virus-like particle has been crystallised and its structure was determined to 2.3Å. (nih.gov)
  • In vitro and in vivo studies are also strongly needed, in particular to more precisely explore the particle-virus interaction in air. (ersjournals.com)
  • Viruses 1ikely to be direct analogues of DI animal viruses have now been identified among plant viruses as well (Schneider, satellite virus of tobacco necrosis virus). (nih.gov)
  • An icosahedral RNA satellite virus which requires an obligatory Tobacco necrosis virus (see NECROVIRUS ) for its replication. (bvsalud.org)
  • While CPPV1-Pv was consistently detected in mixed infection with ETBTV and its satellite RNA molecule, based on results of mechanical transmission assays it does not appear to be involved in disease etiology, suggesting that its role may be limited to being a helper virus for the umbravirus. (tamu.edu)
  • There are an estimated 350 to 400 million persons in the world with chronic hepatitis B virus (HBV) infection. (cdc.gov)
  • Most persons with chronic HBV are infected either at birth or in the first few years of life.1 Four phases of chronic HBV infection have been identified by the National Institutes of Health at Workshops of Hepatitis B Virus.2 Children infected at birth from mothers who are positive for HBsAg and hepatitis B e antigen (HBeAg) commonly develop what has been called the "immune tolerant phase" of chronic HBV. (cdc.gov)
  • Jyothirmai K, Ravikiran A, Samatha Y, Babu B A. Prevalence of Hepatitis C virus infection in patients with oral lichen planus in Guntur, Andhrapradesh.2020;1(2):37-40. (edu.in)
  • For example, particles such as animal viruses may contain lipids at up to about 50 percent by weight. (justia.com)
  • A virus with isometric particles about 30 nm in diameter occurring in Europe and North America. (dpvweb.net)
  • An RNA-containing virus with isometric particles 22-25 nm in diameter spreading naturally in Japan. (dpvweb.net)
  • The virus produces one band of precipitate in gel double-diffusion tests. (dpvweb.net)
  • Survey for Virus Diversity in Common Bean (Phaseolus vulgaris) Fields and the Detection of a Novel Strain of Cowpea polerovirus 1 in Zambia. (tamu.edu)
  • The two viruses differ in their infectivities for cowpea or soybean. (dpvweb.net)
  • J'aborde cette thématique de façon pluridisciplinaire grâce à la connaissance des interactions moléculaires entre plantes et virus, à la génétique et l'évolution des populations virales et à la modélisation. (hal.science)
  • ArchiV Architecture génétique des caractères quantitatifs dans les interactions plante-virus: conséquences pour la gestion des variétés résistantes et/ou tolérantes à l'échelle du paysage. (hal.science)
  • Satellite RNAs (satRNAs) are molecular parasites that depend on their non-homologous helper viruses (HVs) for essential biological functions. (frontiersin.org)
  • N. tabacum and Chenopodium quinoa are useful for propagating the virus for purification. (dpvweb.net)
  • This invention is particularly concerned with the general, nonspecific adsorption of microbes such bacteria, yeast, fungi and viruses from contaminated aqueous suspensions. (justia.com)
  • The most numerous and prominent pathogens of plants are the fungi, but many plant diseases are also caused by bacteria and viruses. (encyclopedia.com)
  • Although the diseases caused by phytoplasmas are similar to those caused by viruses, these pathogens are actually a kind of bacterium. (encyclopedia.com)
  • Definition: Virus diseases caused by CALICIVIRIDAE. (doctorinternet.com)
  • It is involved in regulating developmental processes, endogenous gene expression and also as a defense against viruses, transposons and foreign nucleic acids. (scirp.org)
  • The virus is seed- and pollen-transmitted in several host plants and is reported to be transmitted by nematodes ( Xiphinema spp. (dpvweb.net)
  • RNAi can be used to engineer resistance in plants against viruses. (scirp.org)
  • Screening of the survey samples by real-time PCR for the viruses detected by high-throughput sequencing revealed the prevalence of single (65.2% or 417/640) over mixed (1.9% or 12/640) infections in the samples. (tamu.edu)
  • SBMV was the most frequently detected virus, occurring in 29.4% (188/640) of the samples and at a prevalence rate of 58.6% (75/128) across fields. (tamu.edu)
  • Having recently attended the Gordon Conference on Animal Cells and Viruses, I naturally heard a good deal of material for the second time on this occasion. (nih.gov)
  • An elongated virus is frequently found in mulberries naturally infected with this virus. (dpvweb.net)
  • Between these two main groups of subviral agents, satRNAs, in particular, are exclusively associated with plant viruses. (frontiersin.org)
  • 2016 : International Plant Virus Epidemiology meeting, Avignon. (hal.science)
  • As suggested by the existing literature on multiple respiratory viruses, air pollution may play a role in COVID-19-related morbidity and mortality according to specific mechanisms. (ersjournals.com)
  • Concentrate the virus by three cycles of differential centrifugation. (dpvweb.net)
  • No virus could be detected in uninoculated new leaves of the resistant lines after RT-PCR and Dot immunobinding assay (DIBA) analyses. (scirp.org)
  • A few diseases are caused by viroids, agents that are similar to but are even simpler than viruses. (encyclopedia.com)
  • THEMATIQUES DE RECHERCHE** ---------------------------- Mes travaux de recherche sont consacrés à la gestion durable de l'immunité des plantes cultivées vis-à-vis de leurs agents pathogènes, plus particulièrement des virus. (hal.science)