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Transcriptional responses of Fusarium graminearum to plant cell wall substrates

ABSTRACT: We report a complete transcriptomic study of Fusarium graminearum in response to glucose, cellulose, xylan and cell wall fragments with a whole genome microarray from febit. Fusarium graminearum was cultured at 25 °C on minimal M3 medium with glucose, birch wood xylan, carboxy methyl cellulose or hop cell wall as sole carbon source at a concentration of 10 g/L. Microarray experiments were achieved with a Geniom device (febit biomed, Germany). Each of the four tested condition was tested with two biological and two technical replicates.

ORGANISM(S): Gibberella zeae

SUBMITTER: Raphael Carapito

PROVIDER: E-GEOD-29973 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Transcriptional responses of Fusarium graminearum to plant cell wall substrates

Project description:We report a complete transcriptomic study of Fusarium graminearum in response to glucose, cellulose, xylan and cell wall fragments with a whole genome microarray from febit.

2011-06-16 | GSE29973 | GEO

Transcription profiling of specific organs of wheat spikes in response to Fusarium graminearum inoculation

Project description:Organ specific microarray analysis were performed to identify genes responding to Fusarium graminearum inoculation in specific organs of wheat spikes.

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Project description:In this study, RNA-seq based comparative transcriptome analysis was used to study the response between Fusarium graminearum and Ustilago maydis to different growth conditions. RNA-seq libraries were generated from fungal filaments growing in culture (complete medium) and from infected maize silk. This data set contains the data for the Fusarium graminearum and Ustilago maydis medium growth condition.

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Role of fungal cellulases upon plant infection

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Project description:Amycolatopsis sp. BX17 is an actinobacterium isolated from milpa soils that antagonizes the phytopathogenic fungus Fusarium graminearum. Metabolites secreted by the actinobacterium cultured in medium without glucose inhibited 100% the mycelial growth of F. graminearum RH1, while in medium supplemented with 20 g/L of glucose inhibition was 65%. With the aim of studying how the metabolism of strain BX17 is modulated by glucose, as the main carbon source, media with 0 and 20 g/L glucose were selected to analyze the intracellular proteins by quantitative label-free proteomic analysis.

2022-02-14 | PXD028644 | Pride

Transcriptional profiling of biomass degradation-related genes during Herbivorax saccincola A7 growth on different carbon sources

Project description:Herbivorax saccincola A7 is an alkali-thermophilic lignocellulolytic bacterium that was known to possess a strong xylan degradation ability. They can utilize a wide range of carbon sources, however the response and regulation mechanisms to different carbon sources, in terms of genes expression, are still not identified. In this study, H. saccincola A7 was cultured with cellobiose, cellulose, xylan, cellulose-xylan mixture, and empty fruit bunch (EFB) as the sole carbon source. We carried out a comparative expression analysis, focusing on biomass degradation-related genes. The cellulosomal scaffolding proteins and cellulosomal enzymes of H. saccincola A7 were drastically induced when a cellulose-containing substrate was used as a carbon source. On the other hand, xylan induced only some non-cellulosomal enzymes that might be necessary for xylan degradation. The identification of the carbohydrate-sensing mechanism in H. saccincola A7 appeared a similar system as previously described in Clostridium thermocellum. The lignocellulose degradation ability of H. saccincola A7 may be controlled enzyme expression by cellulose-containing substrate, not by xylan. Thus, recognition in the existence of cellulosic substrates is effective in enhancing a high xylan degradation ability in H. saccincola A7.

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

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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

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.

2020-03-31 | GSE147731 | GEO

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