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Time series transcriptional profiling of Ustilago maydis infecting Zea mays

ABSTRACT: Time series transcriptional profiling of Ustilago maydis infecting Zea mays

OTHER RELATED OMICS DATASETS IN: GSE103876

PROVIDER: PRJNA407369 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR6039700_1.fastq.gz	Fastqsanger.gz
	SRR6039700_2.fastq.gz	Fastqsanger.gz
	SRR6039710_1.fastq.gz	Fastqsanger.gz
	SRR6039710_2.fastq.gz	Fastqsanger.gz
	SRR6039720_1.fastq.gz	Fastqsanger.gz

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

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

| PRJNA506360 | ENA

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.

2022-12-24 | GSE122788 | GEO

Time series transcriptional profiling of Ustilago maydis infecting Zea mays

Project description:The basidiomycete fungus Ustilago maydis causes smut disease in maize and has become an important model for elucidating the strategies used for host colonization by biotrophic fungi. In this study, we performed an in-depth transcriptional profiling of the plant-associated development of a cross between U. maydis FB1 and FB2 wildtype strains. The analysis of eight different stages, including the development on the leaf surface, early colonization, tumor induction and spore maturation, offers an unprecedented view of the changes in the fungal transcriptome associated with the passage through the entirely biotrophic life cycle. In our analysis, we focus on fungal metabolism, nutritional strategies, secreted effectors and regulatory networks. Secreted proteins were enriched in three distinct expression modules corresponding to the plant surface, establishment of biotrophy and tumor formation, respectively. These modules are likely the key determinants for U. maydis virulence. With respect to nutrient utilization, we observed that expression of several nutrient transporters was tied to these virulence modules rather than being controlled by nutrient availability. We show that oligopeptide transporters likely involved in nitrogen supply during infection are important virulence determinants. By measuring the intramodular connectivity of transcription factors, we identified potential drivers for the virulence modules. While known components of the b-cascade served as inducers for the plant surface and biotrophy module, we identified a set of yet uncharacterized transcription factors as likely responsible for expression of the tumor module. We demonstrate a crucial role in effector gene expression and tumor formation for one of these transcription factors.

2018-01-11 | GSE103876 | GEO

Maize gene expression during infection with Ustilago maydis

2008-03-01 | GSE10023 | GEO

mRNA profiling in Ustilago maydis under RUS (repopulation/regrowth under starvation)

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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Transcription factor Rbf1 is the master regulator for b-mating type controlled pathogenic development in Ustilago maydis

Project description:This SuperSeries is composed of the following subset Series: GSE18750: Controlled expression of compatible and incompatible combinations of Ustilago maydis b-mating type locus genes bE and bW GSE18754: Effect of rbf1 deletion during controlled expression of of Ustilago maydis b-mating type locus genes bE1 and bW2 GSE18756: Rbf1 induced gene expression in Ustilago maydis Refer to individual Series

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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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