Geminivirus recombination

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August undefined, 2024

WebJul 9, 2024 · Geminiviruses are phloem limited viruses and are transmitted by hemipterous insect vectors. Their unique virion includes a twinned icosahedral structure enclosing the circular genomic DNA. Replication of the DNA occurs through the rolling circle and recombination dependent mechanism [ 1 ]. WebDec 31, 2015 · Geminiviruses cause major damage to crop plants and evolve through mutations, recombination and pseudo-recombination, expanding their host range and becoming pandemic due to international trade ...

Genetic diversity and recombination analysis of sweepoviruses …

WebMar 10, 2016 · The spread of cotton leaf curl disease in China, India and Pakistan is a recent phenomenon. Analysis of available sequence data determined that there is a … WebAug 8, 2010 · Geminiviruses are non-enveloped, icosahedral virions that consist of a capsid. The capsid is geminate, or twinned, and consists of 22 capsomers. The capsid is 30 nm long and has a diameter of 18-20 nm. (source: ICTVdB) Reproductive Cycle of a Geminivirus in a Host Cell. Geminivirus is transmitted to host plants by way of insects. butterfly coming out of its cocoon

Soybean-Infecting Monopartite Geminivirus in China

WebGeminiviruses encompass both monopartite (six ORFs) and bipartite genomes (one segment, DNA-A, with five ORFs which is homologous to the monopartite genome, the other, DNA-B, with 2 ORFs; Rey et al., 2012 ). WebJan 1, 2024 · Geminiviruses are a family of plant viruses with circular single-stranded DNA genomes, causal agents of devastating diseases in crops worldwide. None of the geminivirus-encoded proteins is a DNA polymerase, and geminiviral replication, which occurs in the nuclei of infected cells, completely relies on the plant DNA replication … WebBibliographic Details; Main Author: Loriato, Virgilio Adriano Pereira: Publication Date: 2024: Format: Doctoral thesis: Language: por: Source: LOCUS Repositório ... cd wooden storage rack

The Role of Extensive Recombination in the Evolution of …

Deletion and recombination events between the DNA - A and …

WebJan 12, 2024 · Based on the data presented, ToALCV genome appears to have “modular organization” supported by its recombination origin. Analyses of the specificity-determining positions (SDPs) of the CP of geminiviruses defined nine subgroups that include geminiviruses that share the same type of insect vector. WebTraductions en contexte de "developed a number of novel" en anglais-français avec Reverso Context : A recently completed EU funded project has developed a number of novel enzymes that have the potential to improve food texture and quality, for example by making the texture of low-fat yoghurts rich and creamy. butterfly company chennaiWebKeywords: geminivirus; soybean; recombination; ssDNA virus 1. Introduction Geminiviridae is a family of circular single-stranded DNA (ssDNA) viruses that consti- cd woods tole painting

"WebSep 30, 2024 · Recombination between isolates of different virus species has been known to be one of the sources of speciation. Weeds serve as mixing vessels for begomoviruses, infecting a wide range of … " - Geminivirus recombination

Geminivirus recombination

WebFeb 1, 2015 · Introduction. Genetic recombination allows parental viruses to derive genetic information to their progeny in a parasexual reproduction manner. This mechanism is a … WebSep 15, 2011 · Genetic recombination is an important process during the evolution of many virus species and occurs particularly frequently amongst begomoviruses in the single …

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Geminiviridae is a family of plant viruses that encode their genetic information on a circular genome of single-stranded (ss) DNA. There are 520 species in this family, assigned to 14 genera. Diseases associated with this family include: bright yellow mosaic, yellow mosaic, yellow mottle, leaf curling, stunting, streaks, reduced yields. They have single-stranded circular DNA genomes enc… WebJul 23, 2024 · A continuing challenge to crop production worldwide is the spectrum of diseases caused by geminiviruses, a large family of small circular single-stranded DNA viruses. These viruses are quite diverse, …

WebLarge amounts of heterogenous sub- and extra-genome length geminivirus DNA (hDNA) are generated during rolling circle replication, and most of the viral DNA that accumulates within infected cells is likely produced from this hDNA by recombination-dependent mechanisms that rely on host DNA double-stranded break repair complexes ( Preiss and … WebFeb 9, 2024 · from recombination events in different genera of geminiviruses, including genomic fragments from maldovirus lineages (nt 23– 1600) and begomovirus lineages (nt 1601–2672, and the following

WebThe purpose of this article is to review what is known about recombination mechanisms that operate during geminivirus replication. The role of recombination in the maintenance of genome size and in the evolution of geminivirus genomes is also discussed. Keywords. Genome Component; Maize Streak Virus; African Cassava Mosaic Virus; Wheat Dwarf … WebMay 15, 2007 · The present taxonomic division of the Geminiviridae into four genera is in part attributable to recombination between progenitor viruses; for example, viruses of the genus Curtovirus, geminiviruses that are leafhopper-transmitted but with the replication genes more similar to the whitefly-transmitted geminiviruses, most likely result from a …

WebAbstract Genetic recombination is an important process during the evolution of many virus species and occurs particularly frequently amongst begomoviruses in the single stranded DNA virus family, Geminiviridae.

WebAug 6, 2024 · The rate of recombination is high in geminiviruses, various factors that contribute to a higher rate of evolution e.g; synergism, vector-mediated transmission, … c dword c#WebNov 25, 2002 · Analysis of ES421/99 showed that it exhibited a novel pathogenic phenotype that might provide it with a selective advantage over the parental genotypes, and agrees with results from field studies which revealed that the recombinant strain is becoming prevalent in the region in which it was detected. This work provides evidence of the … cdw opengearWebGenetic recombination is an important process during the evolution of many virus species and occurs particularly frequently amongst begomoviruses in the single stranded DNA … butterfly compact mirrorWebJan 3, 2024 · Replication of geminiviruses takes place typically via a rolling-circle replication (RCR) mechanism (Hanley-Bowdoin et al. 1999), but also via a … cd wood storage boxWebApr 10, 2024 · Recombination is an essential evolutionary path of the virus’s infection cycle, which enables the virus to escape from the host’s immune system and survive. ... C.M. Possible emergence of new geminiviruses by frequent recombination. Virology 1999, 265, 218–225. [Google Scholar] Martin, D.P.; Posada, D.; Crandall, K.A.; … cdw open calls by queue - report viewerWebOct 9, 2015 · These results demonstrate that geminivirus-based VIGE could be a powerful tool in plant genome editing. ... J. F. et al. Multiplex and homologous recombination … cdw oracleWebGeminiviruses are insect-transmitted plant viruses with circular, single-stranded (ss)DNA genomes that cause devastating diseases in major crops worldwide. The family … butterfly company kratom