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Gene expression analysis by RNAseq in Fusarium graminearum WT, TRI6 mutant (∆tri6) and a mutant constitutively expressing TRI6 (∆tri6/TRI6).

ABSTRACT: Gene expression analysis by RNAseq in Fusarium graminearum WT, TRI6 mutant (∆tri6) and a mutant constitutively expressing TRI6 (∆tri6/TRI6).

PROVIDER: PRJNA593192 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR10575434_1.fastq.gz	Fastqsanger.gz
	SRR10575434_2.fastq.gz	Fastqsanger.gz
	SRR10575435_1.fastq.gz	Fastqsanger.gz
	SRR10575435_2.fastq.gz	Fastqsanger.gz
	SRR10575436_1.fastq.gz	Fastqsanger.gz

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Gene expression analysis by RNAseq in Fusarium graminearum WT, TRI6 mutant (∆tri6) and a mutant constitutively expressing TRI6 (∆tri6/TRI6).

Project description:Identifying the role of TRI6 in Fusarium graminearum isolate NRRL29169 by high-throughput RNA sequencing under two environemental conditions.

2020-06-05 | GSE141331 | GEO

Tri6 is a global transcription regulator in the phytopathogen Fusarium graminearum

Project description:In F. graminearum, the transcriptional regulator TRI6 is encoded within the trichothecene gene cluster and regulates genes involved in the biosynthesis of the secondary metabolite deoxynivalenol (DON). Targeted disruption of TRI6 confirmed its role as a positive regulator of trichothecene genes and previous studies designated Tri6 as a pathway-specific transcriptional regulator. The Tri6 protein with its Cys2His2 zinc-finger may also conform to the class of broad-domain transcription regulators. This class of global transcriptional regulators mediate various environmental cues and generally responds to the demands of cellular metabolism. Expression profiling of F. graminearum grown under nitrogen-limiting conditions revealed that 49 out of 198 target genes are differentially regulated by TRI6. The identification of potential new targets together with deciphering novel binding site for Tri6, casts new light into the role of this transcriptional regulator in the overall growth and development of F. graminearum. Three biological replicates of Fusarium graminearum wildtype strain GZ3639 (NRRL 38155) (reference) and a tri6∆ mutant derived from GZ3639 were grown under nitrogen-limiting conditions in liquid culture for 5 hrs at 28oC

2011-09-30 | E-GEOD-30892 | biostudies-arrayexpress

Gene expression in wheat heads treated with the mutant tri6Δ of Fusarium graminearum, which produces a priming-induced resistance to fusarium head blight

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) and developing seeds. This study compares the gene expression profile of heads from the susceptible cultivar Roblin after inoculation with either water (W) or the disarmed Fg strain tri6Δ (T6). Tri6 is a global transcription regulator affecting the trichothecene biosynthesis pathway.

2015-06-02 | GSE69437 | GEO

Leucine metabolism regulates TRI6 expression and affects deoxynivalenol production and virulence in Fusarium graminearum

Project description:TRI6 is a positive regulator of the trichothecene gene cluster and the production of trichothecene mycotoxins (deoxynivalenol [DON] and acetylated forms such as 15-ADON) in the cereal pathogen F. graminearum. As a global transcriptional regulator, TRI6 expression is modulated by nitrogen-limiting conditions, sources of nitrogen and carbon, pH, and light. However, the mechanism by which these diverse environmental factors affect TRI6 expression remains under-explored. In our effort to understand how nutrients affect TRI6 regulation, comparative digital expression profiling was performed with a wildtype F. graminearum and a Δtri6 mutant strain, grown in nutrient-rich conditions. Analysis showed that TRI6 negatively regulates genes of the branched-chain amino acid (BCAA) metabolic pathway. Feeding studies with deletion mutants of MCC, encoding methylcrotonyl-CoA-carboxylase, one of the key enzymes of leucine metabolism, showed that addition of leucine specifically down regulated TRI6 expression and reduced 15-ADON accumulation. Constitutive expression of TRI6 in the Δmcc mutant strain restored 15-ADON production. A combination of cellophane breach assays and pathogenicity experiments on wheat demonstrated that disrupting the leucine metabolic pathway significantly reduced disease. These findings suggest a complex interaction between one of the primary metabolic pathways with a global regulator of mycotoxin biosynthesis and virulence in F. graminearum.

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Tri6 is a global transcription regulator in the phytopathogen Fusarium graminearum

2011-10-01 | GSE30892 | GEO

Leucine metabolism regulates TRI6 expression and affects deoxynivalenol production and virulence in Fusarium graminearum

2015-08-01 | E-GEOD-71604 | biostudies-arrayexpress

RNA-seq analyses of Fusarium graminearum wild-type GZ03639 and toxoflavin-sensitive mutant under toxoflavin condition

Project description:Bacterial pathogen Burkholderia glumae and fungal pathogen Fusarium graminearum cause similar disease symptoms and are often co-isolated from rice heads, inferring interactions between the two pathogens. F. graminearum is resistant to the bacterial toxin toxoflavin, a strong anti-microbial activity, produced by B. glumae. We isolated a toxoflavin-sensitive mutant from transcription factor deletion mutant library of F. graminearum. To understand genome-wide transcriptional profiling, we performed RNA-seq analyses of F. graminearum wild-type strain GZ03639 and toxoflavin-sensitive mutant strain, ∆GzZC190, under toxoflavin condition.

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Fusarium graminearum

Project description:Tri6 is a global transcription regulator in the phytopathogen Fusarium graminearum

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RNA-seq Analysis of FlbD-, AbaA-, and WetA-dependent Genes in Fusarium graminearum Z-3639

Project description:Fusarium graminearum (teleomorph Gibberella zeae) is a prominent pathogen that infects major cereal crops, such as wheat, barley, and maize. Conidiogenesis had been intensively studied in Aspergillus nidulans and regulatory pathway genes have been known to regulate conidiogenesis in stage specific manner. We reported the functional analyses of flbD, abaA, and wetA orthologs in F. graminearum. To understand genome-wide transcriptional profiling of conidiation, we employed RNA-seq of the wild-type Fusarium graminearum Z-3639 and each gene deletion mutants with three time courses (0 h, 6 h and 12 h after induction of conidiogenesis). AbaA experiment: 6 samples examined: 0 h, 6 h and 12 h after induction of conidiogenesis of Fusarium graminearum Z-3639 wild type and ΔabaA(ΔabaA::gen) mutant strains WetA experiment: 3 samples examined: 0 h, 6 h and 12 h after induction of conidiogenesis of Fusarium graminearum ΔwetA(ΔwetA::gen) mutant strains flbD experiment: 3 samples examined: 0 h, 6 h and 12 h after induction of conidiogenesis of Fusarium graminearum ΔflbD(ΔflbD::gen) mutant strains

2013-11-10 | E-GEOD-46133 | biostudies-arrayexpress

The transcriptomic responses of maize stalks infected with Fusarium graminearum PH-1 and Δcfem1

Project description:This experiment is to assess the changes of maize genes expression in response to Fusarium graminearum stains wild-type PH-1 and Δcfem1 mutant. F. graminearum is the major casual fungal pathogen of Gibberella stalk rot on maize.

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