نتایج جستجو برای: tomato mosaic tobamovirus
تعداد نتایج: 45920 فیلتر نتایج به سال:
The family Virgaviridae is a family of plant viruses with rod-shaped virions, a ssRNA genome with a 3'-terminal tRNA-like structure and a replication protein typical of alpha-like viruses. Differences in the number of genome components, genome organization and the mode of transmission provide the basis for genus demarcation. Tobacco mosaic virus (genus Tobamovirus) was the first virus to be dis...
We report the molecular cloning of the tomato golden mosaic virus (TGMV) genome in the E. coli plasmid pAT 153. The results of this work conclusively show that TGMV DNA consists of two components (designated A and B) of almost, but not exactly, the same size. Four different recombinant plasmids are described, two containing component A in opposite orientation and two containing component B in o...
Tm-1, an inhibitor protein of Tomato mosaic virus RNA replication, contains two conserved domains: an uncharacterized domain at its N-terminus and a TIM-barrel-like domain at its C-terminus. The N-terminal domain of Tm-1 has an inhibitory activity and its three-dimensional structure has not been determined. Here, the crystallization and preliminary X-ray diffraction of the N-terminal domain of ...
A tomato-infecting tomato mosaic virus (ToMV) isolate was detected in Zimbabwe using lateral flow kits and double-antibody sandwich enzyme-linked immunosorbent assay. Next-generation sequencing and de novo assembly were subsequently performed to determine its genome sequence. The ToMV genome of the Zimbabwe isolate is the second to be reported in Africa.
The complete genome sequence of an isolate of tomato mottle mosaic virus (ToMMV) infecting tomatoes in New York was obtained using small RNA (sRNA) deep sequencing. ToMMV_NY-13 shared 99% sequence identity with isolates from Mexico and Florida. Broader distribution of this emerging virus is a cause for concern to the tomato industry.
The bipartite geminiviruses such as tomato golden mosaic virus (TGMV) and squash leaf curl virus (SqLCV) have two single-stranded circular genomic DNAs, the A and B components, thought to be replicated from double-stranded circular DNA intermediates. Although it has been presumed that the origin sequences for viral replication are located in the highly conserved 200-nucleotide common region (CR...
Structural studies of tobacco mosaic tobamovirus (TMV) have identified two coat protein (CP) intersubunit carboxyl-carboxylate interactions and one CP carboxylate-RNA phosphate interaction whose electrostatic repulsion is believed to drive virion disassembly. In this study, the involvement of each interaction in the disassembly process was examined. Site-directed mutagenesis was used to replace...
Tomato spotted wilt virus (TSWV) was shown to use alfalfa mosaic virus (AMV) RNAs as cap donors in vivo during a mixed infection in Nicotiana benthamiana. By use of nested reverse transcription-PCR, TSWV N and NSs mRNAs provided with capped leader sequences derived from all four AMV RNAs could be cloned and sequenced. The sequence specificity of the putative TSWV endonuclease involved is discus...
AIMS To develop a highly sensitive and rapid protocol for simultaneous detection and differentiation of Tobacco mosaic virus (TMV) and Tomato mosaic virus (ToMV) in pepper and tomato. In this study, we use the multiplex PCR technique to detect dual infection of these two viruses. METHODS AND RESULTS A multiplex RT-PCR method consisting of one-tube reaction with two primer pairs targeted to re...
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