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The VELVET complex in the gray mold fungus Botrytis cinerea: impact of BcLAE1 on differentiation, secondary metabolism and virulence

ABSTRACT: Full transcriptomes of the Botrytis cinerea wild-type strain B0510 and the null-mutants deltaBcVEL1 and deltaBcLAE1, cultured onto solid grape juice medium with cellophane overlays , were compared to identify BcVEL1 or/and BcLAE1-dependent genes.

ORGANISM(S): Botrytis cinerea

PROVIDER: GSE63021 | GEO | 2015/02/01

SECONDARY ACCESSION(S): PRJNA266448

REPOSITORIES: GEO

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The VELVET complex in the gray mold fungus Botrytis cinerea: impact of BcLAE1 on differentiation, secondary metabolism and virulence

Project description:Full transcriptomes of the Botrytis cinerea wild-type strain B0510 and the null-mutants deltaBcVEL1 and deltaBcLAE1, cultured onto solid grape juice medium with cellophane overlays , were compared to identify BcVEL1 or/and BcLAE1-dependent genes. The Botrytis cinerea wild-type strain and the null-mutants deltaBcVEL1 and BcLAE1 were cultured for 48h onto solid grape juice medium with cellophane overlays. 4 replicates were performed. The 12 total-RNA samples (3 strains* 4 replicates) were used for hybridization on NimbleGen 4plex gene expression arrays (20,885 gene models from Botrytis cinerea with three 60-mer probes per gene).

2015-02-01 | E-GEOD-63021 | biostudies-arrayexpress

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Project description:Full transcriptome of the Botrytis cinerea wild-type strain B0510, grown in ML medium, was studied.

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Project description:Full transcriptomes of the Botrytis cinerea wild-type strain B0510 and 4 non-pathogenic mutants, grown in a cucumber liquid medium, were compared to identify differentially expressed genes.

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Project description:Full transcriptomes of the Botrytis cinerea wild-type strain B0510 and the null-mutant deltaBcLTF3, cultured in continuous darkness or submitted to a light stimulation, were compared to identify light- or/and BcLTF3-dependent genes.

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Transcriptomic comparison of Botrytis cinerea wild type and VELVET mutants

Project description:An RNAseq-based transcriptomic comparison of Botrytis cinerea wild type and the three VELVET mutants was performed, to correlate common virulence defects of the mutants with changes in gene expression. A large number of genes encoding infection-related and secreted proteins was strongly underexpressed in the mutants, in particular genes encoding proteases and carbohydrate active enzymes. Many VELVET-regulated genes were found to be upregulated in the wild type during host plant infection (Müller et al.: Investigations on VELVET regulatory mutants confirm the role of host tissue acidification and secretion of proteins in pathogenesis of Botrytis cinerea; New Phytologist, 2018)

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Light and BcLTF2-dependent gene expression profiles in the phytopathogenic fungus Botrytis cinerea

Project description:Full transcriptomes of the Botrytis cinerea wild-type strain B0510 and the null-mutant deltaBcLTF2, cultured in continuous darkness or submitted to a light stimulation, were compared to identify light- or/and BcLTF2-dependent genes. The Botrytis cinerea wild-type strain and the null-mutant deltaBcLTF2 were cultured for 54h in continuous darkness ; then, cultures were exposed for 60 min to light before harvest (L) or were harvested after additional 60 min darkness (D). 4 replicates were performed. The 12 total-RNA samples (4 conditions* 3 replicates) were used for hybridization on NimbleGen 4plex gene expression arrays (20,885 gene models from Botrytis cinerea with three 60-mer probes per gene).

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Project description:Full transcriptomes of the Botrytis cinerea wild-type strain B0510 inoculated on mature grapevine berries (Marselan cultivar) at 16h, 24h, 48h, and in vitro were compared to identify B. cinerea genes diffentially expressed during the infection stages.

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