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Geminivirus recombination

WebNov 23, 2010 · Recombination events have been shown to be key factors in the development and spread of ToLCV infections and it has been suggested that recombination is a significant contributor to geminivirus evolution . Since not much is known about the root of the geminivirus evolutionary tree, it is difficult to determine at …

Molecular characterization of two distinct monopartite …

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 … 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 … iphone deductible https://nhoebra.com

Geminiviridae - an overview ScienceDirect Topics

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… 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 … WebJun 26, 2024 · Several factors such as recombination, pseudo-recombination, microsatellites, mutations, nucleotide substitutions, synergism, and vector-mediated transmission drive the rapid emergence … iphone death screen

Tomato yellow leaf curl virus infection promotes … – …

Category:Plant responses to geminivirus infection: guardians of the …

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Geminivirus recombination

Geminiviruses SpringerLink

WebJan 3, 2024 · Geminiviruses possess high genetic variability due to their high nucleotide substitution rates [12,13] and frequent occurrence of recombination . In this work, the lowest nucleotide sequence identity of the C1 genes (encoding Rep) was seen for the five currently available AGV isolates, indicating a higher genetic variability of the C1 gene … WebApr 1, 2007 · To study a possible role for homologous recombination in geminivirus replication, we challenged Arabidopsis recombination gene knockouts by Euphorbia yellow mosaic virus infection. Our results ...

Geminivirus recombination

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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 … WebOct 8, 2013 · Transcriptome profiling revealed that geminivirus infection upregulates the expression of host genes associated with genotoxic …

WebThe recombination of the genomes of geminiviruses has been studied using a statistical procedure developed to detect gene conversions. Complete nucleotide sequences of geminiviruses were aligned, and recombination events were detected by searching for pairs of virus sequences that were significantly more similar than expected based on … WebGenetic recombination is an important process during the evolution of many virus species and occurs particularly frequently amongst begomoviruses in the single stranded DNA …

WebGeminiviruses are insect-transmitted plant viruses with circular, single-stranded (ss)DNA genomes that cause devastating diseases in major crops worldwide. The family … WebBibliographic Details; Main Author: Loriato, Virgilio Adriano Pereira: Publication Date: 2024: Format: Doctoral thesis: Language: por: Source: LOCUS Repositório ...

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 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, … iphone deep scan recoveryWebPlant pathogenic geminiviruses have been proliferating worldwide and have, therefore, attracted considerable scientific interest during the past three decades. Current … iphone definitionWebGeminiviruses have spread worldwide during the past three decades, causing severe diseases in important crop plants (23, 35).Several factors have promoted the epidemics: … iphone deer caseWebFeb 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 iphone delaysWebGeminiviruses 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 ). iphonededeWebJan 30, 2024 · Genetic recombination between viral isolates has been known to be one of the sources of speciation [] and is a major source of viral variability, which benefits viral communities in the expansion of their host ranges, the alteration of transmission vector specificities, and increases in virulence and pathogenesis [8,9].Here, one original study … iphone delete city from weather appWebApr 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.; … iphone default image heic change to jpg