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Genome-wide transcriptional Responses to Fusarium oxysporum and Tomato mosaic virus in Tomato

ABSTRACT: The aim of this study was to compare the tomato global transcriptional profiles in response to host attack by ToMV and Fol in order to identify genomic differences and similarities in incompatible interactions between a foliar and a vascular pathogen.

ORGANISM(S): Solanum lycopersicum

PROVIDER: GSE52336 | GEO | 2015/11/12

SECONDARY ACCESSION(S): PRJNA227445

REPOSITORIES: GEO

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Genome-wide transcriptional Responses to Fusarium oxysporum and Tomato mosaic virus in Tomato

Project description:The aim of this study was to compare the tomato global transcriptional profiles in response to host attack by ToMV and Fol in order to identify genomic differences and similarities in incompatible interactions between a foliar and a vascular pathogen. In order to identify a set of genes of interest in tomato plants infected with F. oxysporum f. sp. lycopersici (Fol) and Tomato Mosaic Virus (ToMV) a transcriptional analysis was performed. Tomato genes differentially expressed upon inoculation with Fol and ToMV were identified at 2 days post-inoculation, using an un-inoculated sample as reference.

2015-11-12 | E-GEOD-52336 | biostudies-arrayexpress

Fusarium oxysporum f.sp. radicis-lycopersici induces distinct transcriptome reprogramming in resistant and susceptible isogenic tomato lines

Project description:Background: Fusarium oxysporum f.sp. radicis-lycopersici (FORL) is one of the most destructive necrotrophic pathogen of tomato, causing important field and greenhouse yield losses. Despite the relevant economic impact, little is known about the molecular mechanisms regulating the Fusarium oxysporum f.sp. radicis-lycopersici resistance in tomato. Results: A transcriptomic experiment was carried out in order to investigate major mechanisms of FORL response in resistant and susceptible isogenic tomato lines. The microarray analysis at 15 DPI reveals a distinct gene expression pattern between the two genotypes in the inoculated vs not inoculated conditions, furthermore confirmed by a q-PCR experiment. A model of plant response for both compatible and incompatible reaction was proposed. In particular, in the incompatible interaction an activation of defense genes related to secondary metabolites production and tryptophan metabolism was observed. Moreover, the cell osmotic potential maintenance after the FORL roots challenging was mediated by a dehydration induced protein. As for the compatible interaction the activation of an oxidative burst mediated by Peroxidases and a Cytochrome monooxigenase, conducedthe cells to degeneration and necrosis. Conclusions: Our work allowed a comprehensive understanding of the molecular basis of the tomato-FORL interaction. Result obtained emphasizes a different transcriptional reaction between the resistant and the susceptible genotype to FORL challenging. Our findings could lead to the improvement of strategies of this disease control.

2017-02-09 | GSE71393 | GEO

Fusarium oxysporum

Project description:Fol expression data

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RNA-Seq of infected Tomato roots by the vascular wilt fungus Fusarium oxysporum

Project description:The biological relevance of the experiment was to mainly understand the F. oxysporum genes that are involved in the colonization of tomato roots during early interaction timepoints of 1, 2, 3 and 7 days post infection as compared to the in vitro grown axenic sample.

2022-11-30 | E-MTAB-10597 | biostudies-arrayexpress

Tomato xylem proteome composition following infection by Fusarium oxysporum

Project description:The influence of during colonization by Fusarium oxysporum f. sp. Lycopersici secreted effector proteins on the proteome of the xylem sap of tomato plants was investigated using a label-free quantitative proteomics approach. A comparison was made between plants inoculated with either a mock control, a non-effector knockout control, Fusarium oxysporum Fol007 wildtype and four Fol007 single effector protein knockout strains. Specific effects on the relative abundance of certain proteins of the xylem sap occurred for the different knockout strains next to a core set of 24 differentially accumulated proteins which may provide insights into the mechanisms of promoting infection for each of the tested effector proteins.

2015-10-26 | PXD003010 | Pride

Identification and functional characterization of calcineurin substrates in tomato Fusarium wilt fungus

Project description:Tomato is a worldwide economic crop, and Fusarium wilt is one of the important tomato diseases which is caused by Fusarium oxysporum f. sp. lycopersici (Fol). The typical symptoms are yellowing and wilting on leaves and browning vascular tissues. Subsequently, it may cause tomato to die or no fruit production. Calcineurin is a heterodimeric phosphatase which can be activated by Ca2+/calmodulin and can dephosphorylate downstream substrates to regulate stress survival, growth, sexual differentiation, and virulence. Calcineurin substrates have been studied in Saccharomyces cerevisiae by phosphoproteomics and quantitative mass spectrometry. To date, there is no research related to proteome analysis of calcineurin downstream substrates in plant pathogens. In our previous study, it revealed that calcineurin is responsible for hyphal growth, conidia formation, chlamydospore formation, and virulence in Fol. In our phosphoproteomics analysis, we compared the protein abundance of wild -type and Δcna1 strains with calcium or non-calcium induced condition. Next, we used Scanprosite and Uniport to predict conserved docking and dephosphorylated sites within those proteins by the abundance more than 2-fold distribution. Finally, we obtained 59 putative calcineurin substrates. According to GO enrichment analysis, these substrates included transcription factors, transmembrane transporters, protein serine/threonine kinase activator, and some uncharacterized proteins. We propose that these putative substrates may play important roles to control physiological function and virulence in Fol.

2024-09-22 | PXD045580 | JPOST Repository

Signaling in the Tomato Immunity against Fusarium oxysporum.

Project description:New strategies of control need to be developed with the aim of economic and environmental sustainability in plant and crop protection. Metabolomics is an excellent platform for both understanding the complex plant-pathogen interactions and unraveling new chemical control strategies. GC-MS-based metabolomics, along with a phytohormone analysis of a compatible and incompatible interaction between tomato plants and Fusarium oxysporum f. sp. lycopersici, revealed the specific volatile chemical composition and the plant signals associated with them. The susceptible tomato plants were characterized by the over-emission of methyl- and ethyl-salicylate as well as some fatty acid derivatives, along with an activation of salicylic acid and abscisic acid signaling. In contrast, terpenoids, benzenoids, and 2-ethylhexanoic acid were differentially emitted by plants undergoing an incompatible interaction, together with the activation of the jasmonic acid (JA) pathway. In accordance with this response, a higher expression of several genes participating in the biosynthesis of these volatiles, such as MTS1, TomloxC,TomloxD, and AOS, as well as JAZ7, a JA marker gene, was found to be induced by the fungus in these resistant plants. The characterized metabolome of the immune tomato plants could lead to the development of new resistance inducers against Fusarium wilt treatment.

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Tomato mottle mosaic virus cultivar:tomato

Project description:Tomato mottle mosaic virus cultivar:tomato Raw sequence reads

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Transcriptome analysis reveals the response mechanism of Frl-mediated resistance to Fusarium oxysporum f. sp. radicis-lycopersici (FORL) infection in tomato

Project description:Transcriptome analysis reveals the response mechanism of Frl-mediated resistance to Fusarium oxysporum f. sp. radicis-lycopersici (FORL) infection in tomato

2021-04-01 | GSE171219 | GEO

Whole genome tomato transcriptional response to tomato-adapted and non-adapted Tetranychus urticae herbivory

Project description:Generalist arthropod herbivores rapidly adapt to a broad range of host plants. However, the extent of transcriptional reprogramming in the herbivore and its hosts associated with adaptation remains poorly understood. Using the spider mite Tetranychus urticae and tomato as models with available genomic resources, we investigated the reciprocal genome-wide transcriptional changes in both spider mite and tomato as a consequence of mite’s adaptation to tomato We used microarray to assess global gene expression in Solanum lycopersicum cv. Moneymaker upon Tetranychus urticae attack by tomato-adapted and non-adapted spider mite lines.

2015-07-20 | GSE70375 | GEO

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