Geminivirus recombination
WebFeb 4, 2024 · Recombination, a phenomenon frequently observed in certain DNA viruses, has been shown to play an essential role in geminivirus (family Geminiviridae) … WebJun 26, 2024 · Several factors such as recombination, pseudo-recombination, microsatellites, mutations, nucleotide substitutions, synergism, and vector-mediated transmission drive the rapid emergence …
Geminivirus recombination
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WebDec 1, 2024 · Geminiviruses are small DNA viruses with single-stranded circular genomes that encode for few known proteins. Recently, ... Thus mutation and recombination are driving forces for the emergence and evolution of new begomoviruses. This strengthens the hypothesis for increase of host range of begomovirus and indicates that the high … WebPlant pathogenic geminiviruses have been proliferating worldwide and have, therefore, attracted considerable scientific interest during the past three decades. Current …
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 … 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 …
WebNov 6, 2015 · The use of homologous recombination to precisely modify plant genomes has been challenging, due to the lack of efficient methods for delivering DNA repair templates to plant cells. Even with the advent of sequence-specific nucleases, which stimulate homologous recombination at predefined genomic sites by creating targeted … 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 ...
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.
WebPlant pathogenic geminiviruses have been proliferating worldwide and have, therefore, attracted considerable scientific interest during the past three decades. Current … biomed testsWebMay 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 … daily schedule cards for preschoolWebThe 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 … daily schedule calendar templateWebJul 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, … daily schedule by hourGeminiviridae 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… daily schedule every 15 minutesWebNov 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 … biomed tens machineWebOct 8, 2013 · Transcriptome profiling revealed that geminivirus infection upregulates the expression of host genes associated with genotoxic … bio-med testing services