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TranscriptomicsAn Ustilago maydis gene involved in H2O2 detoxification is required for virulence
The fungus Ustilago maydis is a biotrophic pathogen of corn. In its genome we have identified an ortholog of YAP1 from Saccharomyces cerevisae which regulates the oxidative stress response in this organism. yap1 mutants of U. maydis displayed higher sensitivity to H2O2 than wild type cells and their...
ORGANISM(S): Ustilago maydis 
2010-06-11 | E-GEOD-7518 | biostudies-arrayexpress
TranscriptomicsUstilago maydis gene expression after growth on hydrophobic surface plus/minus hydroxy fatty acids
Infection-related development of phytopathogenic fungi is initiated by sensing and responding to plant surface cues. This response results in the formation of specialized infection structures, so-called appressoria. To unravel the program inducing appressoria in the biotrophic smut fungus Ustilago m...
ORGANISM(S): Ustilago maydis 
2014-07-23 | E-GEOD-53947 | biostudies-arrayexpress
TranscriptomicsMaize gene expression during infection with Ustilago maydis strains SG200Dpit1 and SG200Dpit2
Ustilago maydis is a basidiomycete fungus that causes smut disease in maize. Most prominent symptoms of the disease are plant tumors, which can be induced by U. maydis on all aerial parts of the plant. We identified two linked genes, pit1 and pit2, which are specifically expressed during plant colon...
ORGANISM(S): Zea mays 
2011-07-01 | E-GEOD-28479 | biostudies-arrayexpress
TranscriptomicsMaize gene expression during infection with the Ustilago maydis mutant for cluster 19A and subdeletions for individual genes of cluster 19A
Many of the genes coding for secreted protein effectors are arranged in gene clusters in the genome of the biotrophic plant pathogen Ustilago maydis. The largest of these gene clusters, cluster 19A, encodes 24 secreted effectors. Deletion of the entire cluster results in severe attenuation of virule...
ORGANISM(S): Zea mays 
2014-09-01 | E-GEOD-48406 | biostudies-arrayexpress
TranscriptomicsIdentification of iron regulated genes.
Identification of transcriptional changes of Ustilago maydis wild type strain FB1 grown in axenic culture in complete medium containing glucose without or with the addition of 10 µM FeSO4. Keywords: gene induction Strain FB1 (wt) was grown in CM glucose medium in the presence or absence of 10 µM F...
ORGANISM(S): Ustilago maydis 
2010-06-12 | E-GEOD-6037 | biostudies-arrayexpress
TranscriptomicsIdentification of Adr1 regulated genes
Adr1 of Ustilago maydis is a protein kinase that is activated after separation from the regulatory subunit mediated by high cAMP levels. A copy of the gene under the control of the arabinose-inducible crg1 promotor was introduced into the Cbx locus of the wild type strain FB1 creating strain HE140. ...
ORGANISM(S): Ustilago maydis 
2010-06-12 | E-GEOD-6039 | biostudies-arrayexpress
TranscriptomicsIdentification of genes regulated by the iron dependent transcription factor Urbs1.
Urbs1 of Ustilago maydis is a transcription factor that has been shown to repress its target genes (e.g. sid1, sid2) in the presence of iron. To identify additional genes regulated by Urbs1, we compared transcriptional profiles of the Ustilago maydis wild type strain FB1 grown in complete medium con...
ORGANISM(S): Ustilago maydis 
2010-06-12 | E-GEOD-6038 | biostudies-arrayexpress
TranscriptomicsThe WOPR protein Ros1 is a master regulator of sporogenesis and effector gene expression in the maize pathogen Ustilago maydis [RNA-Seq]
Goals: characterization of the transcription factor Ros1 in Ustilago maydis Methods: generation of deletion mutants, microscopic observations, ectopic expression of ros1, identification of Ros1 regulated genes by RNAseq and ChIP sequencing Results: Ros1 is not involved in plant colonization but is ...
ORGANISM(S): Ustilago maydis 
2016-06-24 | E-GEOD-76229 | biostudies-arrayexpress
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