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Gene expression profiles of 4 non-pathogenic mutants in the phytopathogenic fungus Botrytis cinerea

ABSTRACT: Gene expression profiles of 4 non-pathogenic mutants in the phytopathogenic fungus Botrytis cinerea

PROVIDER: PRJNA553802 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR9668420.fastq.gz	Fastqsanger.gz
	SRR9668430.fastq.gz	Fastqsanger.gz
	SRR9668421.fastq.gz	Fastqsanger.gz
	SRR9668431.fastq.gz	Fastqsanger.gz
	SRR9668422.fastq.gz	Fastqsanger.gz

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Gene expression profiles of 4 non-pathogenic mutants in the phytopathogenic fungus Botrytis cinerea

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.

2019-11-15 | GSE134112 | GEO

Phosphoproteome profiles of the phytopathogenic fungi Alternaria brassicicola and Botrytis cinerea

Project description:This study describes the gel-free phosphoproteomic analysis the phytopathogenic fungi Alternaria brassicicola and Botrytis cinerea grown in vitro under non-limiting conditions.

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Unravelling the initial triggers of Botrytis cinerea infections. Botrytis cinerea surfactome

Project description:Botrytis cinerea, the causal agent of the gray mold, is one of the most important phytopathogenic fungi due to its ability to affect more than 1400 cultivable vegetal species. Signal transduction cascades mediate the dialogue between the environment, the plant and the fungus, which is essential in the infection process of B. cinerea. In this context, surface proteins (surfactome) have an important role as the first receptors in the signaling cascades, connecting the fungus response to the environment changes. Moreover, the relevant role of surfactome in infection process of pathogenic microorganism has been described, but nothing has been reported in B. cinerea. Therefore, in order to unravel new proteins and to complete the whole view of signal transduction cascades during infection of B. cinerea, surfactome of this fungus has been analyzed under two plant-based elicitors previously validated by the research group: glucose (GLU) as a constitutive stage and deproteinized tomato cell wall (TCW) as a virulence inductor. To identify the B. cinerea surfactome, the trypsin shaving of intact living cells approach has been optimized. Subsequently, all the peptide mixture obtained in surfactome isolation was analyzed using LC-MS/MS to identify their components. Our results shows that none of the used protocols disturbs the hyphae integrity, obtaining the best when PBS buffer plus 30% sucrose was used. In conclusion, in this work it has been carried out for the first time the optimization of a surface protein extraction protocol in Botrytis cinerea giving rise to a new subproteome; the surfactome. Integration of surfactome data inside the previous proteomics data collected by the research group has improved the complete view of signal transduction cascades during infection of B. cinerea, helping to unravel key points in the regulation of this process and therefore to further develop new and better discriminatory fungicides from a molecular approach.

2022-02-17 | PXD028958 | Pride

Proteomic analysis of several non pathogenic mutants from Botrytis cinerea.

Project description:The grey mould fungus Botrytis cinerea is a typical necrotrophic fungus that can infect hundreds of host plants, including high-value crops such as grapevine, strawberry and tomato. In order to find new important genes involved in the fungal virulence, a mutant library was generated by random insertional mutagenesis, using Agrobacterium tumefaciens mediated transformation. Ten mutants exhibiting total loss of virulence towards different host plants were considered. Their molecular characterization revealed a single T-DNA insertion in unique and different loci. Using a proteomics approach, the secretome of four of these strains was compared to that of the parental strain and a common profile of reduced lytic enzymes was recorded. Significant variations in this profile, notably proteases and hemicellulases deficiencies, were observed and validated by biochemical tests. They were also a hallmark of the remaining six non pathogenic strains, suggesting the importance of these secreted proteins in the infectious process.

2021-11-03 | PXD013359 | Pride

Gene expression profiles in ML medium for the phytopathogenic fungus Botrytis cinerea

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

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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).

2016-06-01 | E-GEOD-79679 | biostudies-arrayexpress

Light and BcLTF1-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 deltaBcLTF1, cultured in continuous darkness or submitted to a light stimulation, were compared to identify light- or/and BcLTF1-dependent genes. The Botrytis cinerea wild-type strain and the null-mutant deltaBcLTF1 were cultured for 52h 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 16 total-RNA samples (4 conditions* 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).

2013-09-27 | E-GEOD-51192 | biostudies-arrayexpress

Botrytis cinerea

Project description:Light and BcLTF3-dependent gene expression profiles in the phytopathogenic fungus Botrytis cinerea

| PRJNA378241 | ENA

Botrytis cinerea

Project description:Light and BcLTF1-dependent gene expression profiles in the phytopathogenic fungus Botrytis cinerea

| PRJNA221571 | ENA

Impact of an antifungal insect defensin on the proteome of the phytopathogenic fungus Botrytis cinerea

Project description:ETD151, an analogue of the antifungal insect defensin heliomicin, is an antifungal peptide active against yeasts and filamentous fungi. In order to decipher the mechanisms underlying its molecular action on the phytopathogenic fungus Botrytis cinerea, a necrotrophic pathogen responsible for gray mold disease, we investigated the changes in three-day old mycelia upon treatment with different concentrations of ETD151. Optical and fluorescent microscopies were used prior to establishing the peptide/protein profiles through two mass spectrometry approaches: MALDI profiling, to generate molecular mass fingerprints as peptide signatures, and a gel-free bottom-up proteomics approach. Our results show that a concentration of ETD151 above the half-maximal inhibitory concentration can alter the integrity of the mycelial structure of B. cinerea. Furthermore, reproducible modifications of the peptide/protein composition were demonstrated in the presence of ETD151 within a 1.5-16 kDa mass range. After the robustness of LC-ESI-MS/MS analysis on B. cinerea mycelial extracts was confirmed, our analyses highlighted 340 significantly modulated proteins upon treatment with ETD151 within a 4.8- 466 kDa mass range. Finally, data mapping on KEGG pathways revealed the molecular impact of ETD151 on at least six pathways. In particular, for the effect on oxidative phosphorylation, we clearly demonstrated that ETD151 does not interact directly with the mitochondrial respiratory chain.

2020-01-29 | PXD016740 | Pride

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