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Differential regulation of tobacco host factors upon TMV infection

ABSTRACT: Tobacco mosaic virus (TMV) became one of the model virus for fundamental biological research and understanding of the host-pathogen interaction. It utilizes host machinery smartly to complete the life cycle, though many parts of life cycle remained a mystery, such as host factors involved in virus replication processes. We utilized the 8-Plex iTRAQ study to understand host-pathogen interaction between TMV and host tobacco.

INSTRUMENT(S): TripleTOF 5600

ORGANISM(S): Nicotiana Tabacum (common Tobacco)

TISSUE(S): Leaf

SUBMITTER: Prem Prakash Das

LAB HEAD: Prof Wong Sek Man

PROVIDER: PXD008837 | Pride | 2018-11-07

REPOSITORIES: Pride

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			Action	DRS
	161226_Preme_8plex_F10_10ul-Preme_8plex_F10_10ul.mzML	Mzml
	161226_Preme_8plex_F10_10ul.wiff	Wiff
	161226_Preme_8plex_F10_10ul.wiff.scan	Wiff
	161226_Preme_8plex_F1_10ul-Preme_8plex_F1_10ul.mzML	Mzml
	161226_Preme_8plex_F1_10ul.wiff	Wiff

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Publications

Comparative proteomics of Tobacco mosaic virus-infected Nicotiana tabacum plants identified major host proteins involved in photosystems and plant defence.

Das Prem Prakash PP Lin Qingsong Q Wong Sek-Man SM

Journal of proteomics 20181129

Tobacco mosaic virus (TMV) is a positive single-stranded RNA virus. Its 5' end ORF codes for the replicase proteins, namely 126 kDa and 183 kDa, respectively. These proteins interact with many host proteins to form a virus replication complex (VRC). This study aims to dissect the proteome profile of TMV-infected Nicotiana tabacum in host cellular and molecular pathways. We used the isobaric tags for relative and absolute quantification (iTRAQ) technique to analyse the differential global proteom ...[more]

PMID: 30503828

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iTRAQ based analysis of leaf proteome identifies important proteins in secondary metabolite biosynthesis and defence pathways crucial to cross-protection against TMV

Project description:We used milder strain of TMV mutant (TMV-43A) to cross protect Nicotiana benthamiana plants from TMV. We used iTRAQ (2 sets) quantitative proteomics approach to investigate molecular responses and identified important host proteins from secondary metabolite biosynthesis and defence pathways

2018-11-21 | PXD011633 | Pride

Proteomic analysis of TMV and TMV 24A+UPD infected N. benthamiana plants by iTRAQ reveal differences in stress signalling, cell death and response to intracellular iron

Project description:TMV was mutated by introducing different lengths of internal poly (A) tract in front of the upstream pseudo knotted domain .Twenty four nucleotides were inserted into the TMV genome, this mutant is designated TMV 24A +UPD TMV 24+UPD shows more severe leaf necrosis and stem collapse, leading to plant death within a few days. The difference in rate of virus replication and plant death may be because the poly (A) tract introduced into TMV may interact with UPD and affect its interaction with host factors. To understand TMV 24A+UPD interaction with the host and the events leading to the altered pathogenesis, we opted to evaluate its proteome profile and compare it to TMV using Isobaric tag for relative and absolute quantitation( iTRAQ).

2019-10-17 | PXD011825 | Pride

Transcriptome alterations associated with TMV-resistance in transgenic tobacco plants expressing the genomic RNA of the virus

Project description:Agilent 4x44k tobacco micro array of wild type tobacco (WT) and whole tobacco mosaic virus (TMV) containing transgenic tobacco plants. The transgenic plants before resistance break (BRB-6 weeks), after resistance break (ARB-8 weeks) and wild type tobacco plants infected with TMV (TMVi-9weeks) leaves were analyzed. Three biological replicates were performed for each sample.

2014-11-03 | E-MEXP-3934 | biostudies-arrayexpress

TMV-derived Small RNAs Reveals Role for Arabidopsis thaliana RNA-dependent RNA Polymerases in Viral siRNA Biogenesis

Project description:Using a crucifer-infecting strain of Tobacco Mosaic Virus (TMV-Cg) and Arabidopsis thaliana as a model system, we analyzed the viral small RNA profile in wild-type plants as well as rdr mutants by applying small RNA deep sequencing technology. Over 100,000 TMV-Cg-specific small RNA reads, mostly of 21- (78.4%) and 22-nucleotide (12.9%) in size and originating predominately (79.9%) from the genomic sense RNA strand, were captured at an early infection stage, yielding the first high-resolution small RNA map for a plant virus. The TMV-Cg genome harbored multiple, highly reproducible small RNA-generating hot spots that corresponded to regions with no apparent local hairpin-forming capacity. Significantly, both the rdr1 and rdr6 mutants exhibited globally reduced levels of viral small RNA production as well as reduced strand bias in viral small RNA population, revealing an important role for these host RDRs in viral siRNA biogenesis. In addition, an informatics analysis showed that a large set of host genes could be potentially targeted by TMV-Cg-derived siRNAs for posttranscriptional silencing, raising the interesting possibility for a hidden layer of widespread virus-host interactions that may contribute to viral pathogenicity and host specificity. Profiling of TMV-Cg derived small RNAs in systemically infected tissues of wild type (Col-0) Arabidopsis as well as the rdr1and rdr6 mutants, at 3 days post-infection.

2009-03-24 | E-GEOD-12918 | biostudies-arrayexpress

TMV-derived Small RNAs Reveals Role for Arabidopsis thaliana RNA-dependent RNA Polymerases in Viral siRNA Biogenesis

2009-03-24 | GSE12918 | GEO

Proteomic analysis of early stage infection in the tobacco-Tobacco mosaic virus (TMV)

Project description:The early events of virus infection is one of the more poorly understood areas of plant virology and studies on the effect of virus on the host proteome at very early stages of infection are lacking. In the present study, we analysed the proteome on the early stage changes at 15 minutes post inoculation in the tobacco-TMV pathosystem with and without exogenous application of dsRNA p126

2021-05-12 | PXD022517 | Pride

Profiling of genes related to cross protection and competition for NbTOM1 by HLSV and TMV

2014-05-12 | GSE47180 | GEO

Profiling of genes related to cross protection and competition for NbTOM1 by HLSV and TMV

Project description:To investigate the mechanism under the cross protection between HLSV and TMV, microarray analysis was conducted to examine the transcriptional levels of global host genes during cross protection, using Tobacco Gene Expression Microarray, 4x44k slides. The transcriptional level of some host genes corresponded to accumulation level of TMV. Some host genes were up-regulated only by HLSV. The gene expression in Nicotiana benthamiana during cross protection was measured at 12 days post HLSV or mock buffer inoculated as well as TMV infected N. benthamiana which pre-inoculated HLSV or mock bufer at 3 dpi (which is equal to 15 dpi by HLSV).

2014-05-12 | E-GEOD-47180 | biostudies-arrayexpress

Tobacco mosaic virus infection alters phloem associated translatomes in Nicotiana benthamiana

Project description:In this study we used vascular specific promoters and a translating ribosome affinity purification strategy to identify phloem-associated translatome responses to infection by tobacco mosaic virus (TMV) in the systemic host Nicotiana benthamiana. Three different promoter:FLAG-RPL18 lines were used. These included two phloem specific promoters (pSUC2 and pSULTR2;2) as well as the more ubiquitously expressed cauliflower mosaic virus 35S promoter (p35S). Immunopurification of ribosome-mRNA complexes was accomplished by the method described in Reynoso et al. (Plant Functional Genomics: Methods and Protocols, 185-207; 2015). The dataset includes samples from the leaves of 5-week-old plants inoculated with TMV (1 mg/mL) or mock inoculated with sterile water.

2017-07-17 | GSE97663 | GEO

Tobacco mosaic virus infection alters phloem associated translatomes in Arabidopsis thaliana

Project description:In this study we used vascular specific promoters and a translating ribosome affinity purification strategy to identify phloem-associated translatome responses to infection by tobacco mosaic virus (TMV) in the systemic host Arabidopsis thaliana ecotype Shahdara. Three different promoter:FLAG-RPL18 lines were used. These included two phloem specific promoters (pSUC2 and pSULTR2;2) as well as the more ubiquitously expressed cauliflower mosaic virus 35S promoter (p35S). Immunopurification of ribosome-mRNA complexes was accomplished by the method described in Reynoso et al. (Plant Functional Genomics: Methods and Protocols, 185-207; 2015). The dataset includes samples from the leaves of 5-week-old plants inoculated with TMV (1 mg/mL) or mock inoculated with sterile water.

2017-07-17 | GSE97662 | GEO

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