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

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

PROVIDER: PRJNA976214 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR24737257_1.fastq.gz	Fastqsanger.gz
	SRR24737257_2.fastq.gz	Fastqsanger.gz
	SRR24737258_1.fastq.gz	Fastqsanger.gz
	SRR24737258_2.fastq.gz	Fastqsanger.gz
	SRR24737259_1.fastq.gz	Fastqsanger.gz

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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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Gene expression during early infection of the resistant winter wheat cultivar Dream 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 winter wheat cultivar Dream inoculated with water (H2O) or Fg.

2015-06-03 | GSE54551 | GEO

Differential transcriptome analysis of two wheat genotypes in their response to Fusarium head blight

Project description:Fusarium Head Blight (FHB) is a disease of wheat and other cereal crops, where, among other species, Fusarium graminearum infects the wheat inflorescence. Microarrays were used to observe differential gene expression in FHB-challenged spikes of the two European winter wheat genotypes Dream (moderately resistant) and Lynx (susceptible). Plants were either inoculated with the Fusarium graminearum strain IFA 65 (IFA Tulln) (500 macroconidia/floret) or were as control plants mock treated with desalted water. The inocula were injected into four spikelets at early anthesis and spikelets were later on collected at 32 and 72 h after inoculation. Four plants were sampled per genotype/treatment/sampling date. Total RNA was extracted from collected spikelets, and microarray analysis was performed using the Affymetrix Wheat GeneChip.

2013-01-09 | E-MEXP-3509 | biostudies-arrayexpress

Dual RNA-sequencing of Fusarium head blight resistance in winter wheat.

Project description:Fusarium head blight (FHB) is a devastating fungal disease responsible for significant yield losses in wheat and other cereal crops across the globe. FHB infection of wheat spikes results in grain contamination with mycotoxins, reducing both grain quality and yield. Breeding strategies have resulted in the production of FHB-resistant cultivars, however, the underlying molecular mechanisms of resistance in the majority of these cultivars are still poorly understood. To improve our understanding of FHB-resistance, we performed a transcriptomic analysis of FHB-resistant AC Emerson, FHB-moderately resistant AC Morley, and FHB-susceptible CDC Falcon in response to Fusarium graminearum. Wheat spikelets located directly below the point of inoculation were collected at 7-days post inoculation (dpi), where dual RNA-sequencing was performed to explore differential expression patterns between wheat cultivars in addition to the challenging pathogen. Differential expression analysis revealed distinct defense responses within FHB-resistant cultivars including the enrichment of physical defense through the lignin biosynthesis pathway, and DON detoxification through the activity of UDP-glycosyltransferases. Nucleotide sequence variants were also identified broadly between these cultivars with several variants being identified within differentially expressed putative defense genes. Further, F. graminearum demonstrated differential expression of mycotoxin biosynthesis pathways during infection, leading to the identification of putative pathogenicity factors.

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Discovery of Frenolicin B as Potential Agrochemical Fungicides for Controlling Fusarium Head Blight on Wheat

Project description:Purpose: To explore the mechanism of Frenolicin B could control the Fusarium Head Blight on Wheat. Methods: Fusarium graminearum were inoculated into PDB broth and cultivated 36 hours. After that, Frenolicin B was added in the broth of Fusarium graminearum, and the same volumes of methanol were served as the control. Then incubated together 6 hours.

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Differential transcriptome analyses of three wheat genotypes in their response to Fusarium Head Blight and trichothecenes

Project description:Fusarium Head Blight (FHB) is a disease of wheat and other cereal crops, where Fusarium graminearum and related species infects the wheat inflorescence during and post-anthesis. The fungus produces trichothecene toxins that accumulate in the grain of infected head, and are required for disease spread. Microarrays were used to observe differential gene expression in the uninoculated spikelets of FHB-challenged wheat spikes in three wheat genotypes. A summary of our findings will be published in Plant Pathology.

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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

Altered Gene Expression Profiles of Wheat Genotypes against Fusarium Head Blight

Project description:Fusarium graminearum is responsible for Fusarium head blight (FHB), which is a destructive disease of wheat that makes its quality unsuitable for end use. To understand the temporal molecular response against this pathogen, microarray gene expression analysis was carried out at two time points on three wheat genotypes, the spikes of which were infected by Fusarium graminearum. The greatest number of genes was upregulated in Nobeokabouzu-komugi followed by Sumai 3, whereas the minimum expression in Gamenya was at three days after inoculation (dai). In Nobeokabouzu-komugi, high expression of detoxification genes, such as multidrug-resistant protein, multidrug resistance-associated protein, UDP-glycosyltransferase and ABC transporters, in addition to systemic defense-related genes, were identified at the early stage of infection. This early response of the highly-resistant genotype implies a different resistance response from the other resistant genotype, Sumai 3, primarily containing local defense-related genes, such as cell wall defense genes. In Gamenya, the expression of all three functional groups was minimal. The differences in these molecular responses with respect to the time points confirmed the variation in the genotypes. For the first time, we report the nature of gene expression in the FHB-highly resistant cv. Nobeokabouzu-komugi during the disease establishment stage and the possible underlying molecular response.

2015-01-30 | GSE59721 | GEO

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