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Transcriptome of different cultivars of Fusarium graminearum-infected wheat grains

ABSTRACT: Transcriptome of different cultivars of Fusarium graminearum-infected wheat grains

PROVIDER: PRJNA780900 | ENA |

REPOSITORIES: ENA

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Transcriptome of different cultivars of Fusarium graminearum-infected wheat grains

Project description:We report the transcriptome profile of different cultivars of Fusarium graminearum-infected wheat grains, aiming to search for some different expression genes and pathways to reveal the difference between wheat cultivars.

2021-11-18 | GSE188959 | GEO

Dual RNA-sequencing of Fusarium Head Blight resistance in winter wheat

Project description:In this study, we used dual RNA-sequencing to profile FHB-resistant AC Emerson, FHB-moderately AC Morley, and FHB-susceptible CDC Falcon winter wheat cultivars prior to and in response to Fusarium graminearum at 7 days post inoculation. Differential expression analyses revealed distinct defense responses between resistant and susceptible wheat cultivars including increased mechanical defense through lignin biosynthesis and increased deoxynivalenol (DON) detoxification through UDP-glycosyltransferase activity in resistant cultivars. Further, differential expression analysis in F. graminearum challenging these distinct cultivars revealed changes genes involved in trichothecene mycotoxin biosynthesis.

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The biphasic Fusarium graminearum transcriptome during symptomless and symptomatic wheat infection

Project description:The analysis of the Fusarium graminearum transcriptome during symptomless and symptomatic infections of wheat floral tissue at 7 days post infection, to identify the correct spatio-temperol regulation of multiple virulence strategies.

2017-08-01 | GSE79853 | GEO

Molecular pathogenetic study of Fusarium head blight in highly resistant, resistant and susceptible common wheat (Triticum aestivum L.)

Project description:Fusarium graminearum (F.g) is responsible for Fusarium head blight (FHB), which is a destructive disease of wheat that accumulates mycotoxin such as deoxynivalenol (DON) and makes its quality unsuitable for end use. Several FHB resistant varieties development is going on world-wide. However the complete understanding of wheat defence response, pathogen (Fusarium graminearum) disease development mechanism and the gene crosstalk between organisms is still unclear. In our study focused to analyse pathogen (F. graminearum) molecular action in different Fusarium head blight resistance cultivars during the disease development. To understand the Fusarium graminearum pathogen molecular reaction, microarray gene expression analysis was carried out by using Fusarium graminearum (8 x 15k) Agilent arrays at two time points (3 & 7 days after infection) on three wheat genotypes (Japanese landrace cv. Nobeokabouzu-komugi - highly resistant, Chinese cv. Sumai 3 - resistant and Australian cv. Gamenya - susceptible), which spikes infected by Fusarium graminearum ‘H-3’strain. During the disease development the pathogen biomass as well as the expression of Trichothecene biosynthesis involved genes (Tri genes) in three wheat cultivars was determined. In our material no relation between fungus biomass and the disease symptoms were observed, however, it showed relation with fungus virulence factors expression (Tri genes). For the first time, we report the nature of Fusarium graminearum gene expression in the FHB-highly resistant cv. Nobeokabouzu-komugi during the disease development stage and the possible underlying molecular response.

2015-03-14 | GSE66772 | GEO

Effect of salicylic acid on Fusarium graminearum, the major causal agent of fusarium head blight in wheat

Project description:Salicylic acid (SA) is one of the key signal molecules in regulating plant resistance to diverse pathogens. It is predominantly associated with resistance against biotrophic and hemibiotrophic pathogens, and triggering systemic acquired resistance (SAR) in Arabidopsis. However, whether and how SA directly affects Fusarium graminearum and how SA influences the defence efficiency of wheat against fusarium head blight (FHB) are still poorly understood. Previous experiments have shown that the growth of F. graminearum mycelia and the germination of spores were significantly inhibited, and eventually stopped by increasing amounts of SA in both liquid and solid media cultures. Co-inoculation of SA and Fg spores has led to reduced FHB symptoms in the very susceptible Triticum aestivum cultivar ‘Roblin’. To better understand the effect of SA on F. graminearum mycelial growth, we have compared the expression profiles of SA-treated and untreated F. graminearum liquid cultures after 8 and 24 h of treatment, using an F. graminearum custom-commercial microarray. The microarray analysis suggests that F. graminearum can metabolize SA through two pathways, the gentisate and catechol pathways that are present in many fungal species. Additional experiments have confirmed the capacity of F. graminearum to metabolize SA. Our results demonstrate that, although F. graminearum has the capacity to metabolize SA, SA has a significant and direct impact on F. graminearum through a reduction in efficiency of germination and growth at higher concentrations.

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Effect of salicylic acid on Fusarium graminearum, the major causal agent of fusarium head blight in wheat

2011-12-15 | E-GEOD-24636 | biostudies-arrayexpress

Gene expression during priming-induced resistance to fusarium head blight in wheat as revealed by two distinct mutants of Fusarium graminearum

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Gene expression during early infection of the resistant spring wheat cultivar Wuhan1 with Fusarium graminearum, the major causal agent of fusarium head blight in wheat

Project description:Fusarium head blight (FHB) is a major disease of cereal crops caused by the fungus Fusarium graminearum (Fg). FHB affects the flowering heads (or spikes). This study compare the gene expression profile in wheat spikelets from the resistant spring wheat cultivar Wuhan1 inoculated with water (H2O) or Fg.

2015-06-03 | GSE54553 | GEO

Gene expression during early infection of the resistant spring wheat cultivar NuyBay with Fusarium graminearum, the major causal agent of fusarium head blight in wheat

Project description:Fusarium head blight (FHB) is a major disease of cereal crops caused by the fungus Fusarium graminearum (Fg). FHB affects the flowering heads (or spikes). This study compare the gene expression profile in wheat spikelets from the resistant spring wheat cultivar NuyBay inoculated with water (H2O) or Fg.

2015-06-03 | GSE54552 | GEO

Gene expression during early infection of the susceptible spring wheat cultivar Roblin with Fusarium graminearum, the major causal agent of fusarium head blight in wheat

Project description:Fusarium head blight (FHB) is a major disease of cereal crops caused by the fungus Fusarium graminearum (Fg). FHB affects the flowering heads (or spikes). This study compare the gene expression profile in wheat spikelets from the very susceptible spring wheat cultivar Roblin inoculated with water (H2O) or Fg.

2015-06-03 | GSE36283 | GEO

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