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RNAseq of Ustilago maydis strain AB31 and AB31_delta_Num1

ABSTRACT: RNAseq of Ustilago maydis strain AB31 and AB31_delta_Num1

PROVIDER: PRJEB3344 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	ERR184023_1.fastq.gz	Fastqsanger.gz
	ERR184023_2.fastq.gz	Fastqsanger.gz
	ERR184024_1.fastq.gz	Fastqsanger.gz
	ERR184024_2.fastq.gz	Fastqsanger.gz

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RNAseq of Ustilago maydis strain AB31 and AB31_delta_Num1

Project description:To elucidate the role of Num1 (Um01682) in Ustilago maydis, the transcriptome of wild type and Num1 deletion mutants was determined by RNAseq after b-heterodimer induction

2013-12-09 | E-MTAB-1300 | biostudies-arrayexpress

Time series transcriptional profiling of Ustilago maydis SG200 infecting Zea mays.

Project description:Goals: Comparing the infection between Ustilago maydis SG200 with the wild-type strain FB1xFB2 previously published Methods: Comparative RNASeq analysis between U. maydis SG200 and U. maydis FB1xFB2 at three timepoints (axenic, 2dpi, 12dpi) Results: The RNASeq analysis in SG200 identifies differences in gene expression with FB1xFB2. These differences could be the result of a unequal contribution of each nuclei to transcription. Further analysis identified a set of differentially transcribed genes.

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RNAseq of Ustilago maydis with inducible clp1 and Δcib1

Project description:Ustilago maydis strain JB1 was modified to include an arabinose inducible clp1 in the ip-locus and clb1 was deleted.

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Effect of rbf1 deletion during controlled expression of Ustilago maydis b-mating type locus genes bE1 and bW2

Project description:In the phytopathogenic Basidiomcete Ustilago maydis, sexual and pathogenic development are tightly connected and controlled via the b-mating type locus. The b-mating type locus encodes two homeodomain transcription factors, bE and bW, which form an active heterodimeric complex when they are derived from different b-alleles. Rbf1 encodes a zinc-finger transcription factor that is expressed upon formation of an active bE/bW heterodimer. To analyse the dependency of b and rbf1, changes in gene expression were monitored in strain AB31 (Brachmann et al., 2001, Mol Microbiol 42, 1047-1063) and in the derivative AB31Δrbf1 in which rbf1 was deleted. AB31 harbours the active combination bE1 and bW2 under the control of the arabinose-inducible crg1 promoter. Samples were taken 3h, 5h and 12h after induction of bE/bW gene expression. Strain AB32, which harbors the incompatible bE2 and bW2 combination, was used as control.

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Maize gene expression during infection with Ustilago maydis strain SG200∆fox1

Project description:Ustilago maydis is a plant-pathogenic fungus that establishes a biotrophic relationship with its host Zea mays. The biotrophic interaction is initiated upon host penetration, and involves expansion of the host plasma membrane around hyphae, which is thought to facilitate the exchange of nutrients and virulence factors. Transcriptional regulators involved in the establishment of an infectious dikaryon and penetration into the host have been identified, however, regulators involved in the post-penetration stages remained to be elucidated. In the study we report the identification of an Ustilago maydis forkhead transcription factor, Fox1, which is exclusively expressed during biotrophic development. Deletion of fox1 results in reduced virulence and impaired tumour development in planta. Δfox1 hyphae induce plant defences including the overproduction and accumulation of H2O2 in and around infected cells. This oxidative burst acts as an intercellular signal, which elicits a specific host defence response phenotypically represented by the encasement of proliferating hyphae in extensions of the plant cell wall. Maize microarrays experiments were performed to identify genes involved in the observed plant defence responses on leaf tissue infected with U. maydis strain SG200∆fox1 4 dpi.

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Project description:mRNAs comparison between Ustilago maydis wild type grown in diluted YEPS (control) and in cell-free supernatants of Ustilago maydis wild type treated with H202 in two different concentrations (0.4% and 0.7%).

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Ustilago maydis

Project description:Genome sequencing of Ustilago maydis ITA-Chassis strain

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Expression analysis of Pseudozyma antarctica T-34 and Ustilago maydis on different carbon source

Project description:Investigation of whole genome gene expression level in Pseudozyma antarctica T-34, compared to Ustilago maydis UM521. To clarify the transcriptomic characteristics of Pseudozyma antarctica under the conditions of high MEL production, a DNA microarray of both the strains, Pseudozyma antarctica T-34 and Ustilago maydis UM521 was prepared and analyzed the transcriptomes. A DNA chip study using mRNA from the cultures of Pseudozyma antarctica T-34 and Ustilago maydis UM521 demonstrated the gene expression level of each strain.

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Project description:The dimorphic fungus Ustilago maydis transits from unicellular sporidia to multicellular mycelium and accomplish its life cycle in planta with teliospore formation. Mutations in either of telomerase core subunits, trt1 or ter1 cause deficiencies or inability to produce galls and teliospores when crossed to a wild-type strain. Here, the global transcriptome analysis of two ter1Δ survivor strains of U. maydis is reported. It revealed the deregulation of many telomerase-deleted response (TDR) genes previously reported in other telomerase-negative fungi, as the DDR and stress response genes, cell cycle, subtelomeric and some telomere proximal genes. Interestingly, other differentially expressed genes (DEGs) found in those ter1Δ survivors were pathogenic lifestyle factors, plant-pathogen crosstalk, iron uptake, meiosis, and melanin synthesis. The studied survivors were phenotypically comparable, yet they exhibited DEGs between them. Our global results suggest the teliospore formation in U. maydis controlled by key genes of pathogenic lifestyle and meiosis

2023-09-04 | GSE225422 | GEO

Transcription profiling of maizeduring infection with Ustilago maydis

Project description:The fungal pathogen Ustilago maydis establishes a biotrophic relationship with its host plant maize. Hallmarks of the disease are large plant tumors in which fungal proliferation occurs. Plants have developed various defense pathways to cope with pathogens. We used microarrays to detail the global programme of gene expression during the infection process of Ustilago maydis in its host plant to get insights into the defense programs and the metabolic reprogramming needed to supply the fungus with nutrients. Experiment Overall Design: In three independent experiments plants were infected with the solopathogenic U. maydis strain SG200. Samples from infected leaves were taken at 12 and 24 hours post infection, as well as 2, 4 and 8 days post infection. Samples from uninfected control plants were taken at the same time points.

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