Browse
Submit Data
Databases
API
Help

Dataset Information

0 Views

0 Connections

0 Citations

0 Reanalyses

0 Downloads

Omics score: 0

Global transcriptome of Sclerotinia sclerotiorum during in vitro growth and Arabidopsis thaliana infection

ABSTRACT: Cooperation is associated with major transitions in evolution such as the emergence of multicellularity. It is central to the evolution of many complex traits in nature, including growth and virulence in pathogenic bacteria. Whether cells of multicellular parasites function cooperatively during infection remains however largely unknown. Here, we show that hyphal cells of the fungal pathogen Sclerotinia sclerotiorum reprogram towards division of labor to facilitate the colonization of host plants. Using global transcriptome sequencing, we reveal that gene expression patterns diverge markedly in cells at the center and apex of hyphae during A. thaliana colonization compared to in vitro growth. We reconstructed a genome-scale metabolic model for S. sclerotiorum and used flux balance analysis to demonstrate metabolic heterogeneity supporting division of labor between hyphal cells. Accordingly, continuity between the central and apical compartments of invasive hyphae was required for optimal growth in planta. Using a multi-cell model of fungal hyphae, we show that this cooperative functioning enhances fungal growth predominantly during host colonization. Our work identifies cooperation in fungal hyphae as a mechanism emerging at the multicellular level to support host colonization and virulence.

ORGANISM(S): Sclerotinia sclerotiorum

PROVIDER: GSE116194 | GEO | 2019/01/24

REPOSITORIES: GEO

ACCESS DATA

Json Xml

Dataset's files

Source:

			Action	DRS
		Other

Items per page:

1 - 1 of 1

Similar Datasets

Sclerotinia sclerotiorum responses to symptomatic versus asymptomatic host

Project description:To exploite S. sclerotiorum to identify differential fungal responses leading to either an endophytic or a pathogenic lifestyle during colonization of both asymptomatic host and symptomatic host We then performed gene expression profiling analysis using data obtained from RNA-seq of 9 different samples after 2 days.

2023-10-09 | GSE218908 | GEO

Maize gene expression during infection with Colletotrichum graminicola

Project description:The hemibiotrophic fungal pathogen Colletotrichum graminicola is the causal agent of anthracnose disease on maize stalks and leaves. After the formation of appressoria the host cell wall is penetrated by the conversion of appressorial turgor pressure into forceful ejection of a penetration peg. Subsequently, C. graminicola establishes biotrophic hyphae in the penetrated epidermis cell at around 36 hours post inoculation (hpi) until a switch of hyphal morphology and lifestyle takes place during the colonization of neighboring host cells at around 72 hpi. During the ensuing necrotrophic growth, dark necrotic lesions are formed that are visible as anthracnose symptoms. We used microarrays to detail the global programme of gene expression during the infection process of Colletotrichum graminicola in its host plant to get insight into the defense response of this compatible interaction and into the metabolic reprogramming needed to supply the fungus with nutrients.

2011-08-04 | GSE31188 | GEO

Maize gene expression during infection with Colletotrichum graminicola

2011-08-03 | E-GEOD-31188 | biostudies-arrayexpress

RNA-Seq analysis of WT and BbWor1 disruption strain in beauveria bassiana

Project description:Wor1 is a conserved fungal regulatory protein that control the phenotypic switching and pathogenicity of Candida albicans.We simulated three models of Beauveria bassiana morphological transitions, including CTH (conidia to hyphae), HTC (hyphae to conidia) and BTB (blastospore to blastospore).We find that disruption of BbWor1 (an ortholog of Wor1) resulted in a distinct reduction in the time required for germination (CTH), a significant increase in hyphal growth and a decrease in the yield of conidia (HTC), indicating that BbWor1 positively controls conidia production and negatively regulates hyphal growth in conidia-hyphae switching. Meanwhile, the ΔBbWor1 prominently decreased blastospore yield, as well as shortening G0/G1 phase and prolonging G2/M phase, under the BTB model. Importantly, BbWor1 contributed to conidia-hyphae switching and blastospore propagation via different genetic pathways, and yeast one-hybrid testing demonstrated the necessity of BbWor1 to control the transcription of an allergen-like protein gene (BBA_02580), as well as a conidial wall protein gene (BBA_09998). Moreover, the dramatically weakened virulence of ΔBbWor1 was examined by immersion and injection methods.

2021-07-03 | GSE178974 | GEO

RNA-seq time-course analysis of the transcriptional dynamics of the two root-infecting fungi Colletotrichum tofieldiae (mutualistic) and Colletotrichum incanum (pathogenic) and their plant host Arabidopsis thaliana during root colonization

Project description:The objective of this study was on the one hand to compare the transcriptional dynamics of mutualistic Colletotrichum tofieldiae and pathogenic Colletotrichum incanum during colonization of Arabidopsis roots and on the other hand also examine the corresponding host responses Arabidopsis seeds that were either untreated (mock) or inoculated with Colletotrichum tofieldiae (isolate 0861) or Colletotrichum incanum (isolate MAFF230704) were grown in normal (P+) or low (P-) phosphate conditions. Roots (with/without fungal colonization) were collected at 6, 10, 16, and 24 days post inoculation (dpi). Additionally, C. tofieldiae and C. incanum in vitro hyphae were collected after two days growth in liquid Mathurâs medium. For each condition three replicates were obtained.

2016-03-17 | E-GEOD-70094 | biostudies-arrayexpress

Screens of C. albicans deletion collections in the murine reveals role for filamentation transcription factors

Project description:Candida albicans is a human gut commensal and an opportunistic pathogen. The ability to transition from yeasts to invasive hyphae is a central virulence attribute, but it is unclear how these two cell types function during commensal growth. Using FISH to visualize C. albicans in a murine gut colonization model, we observed the co-occurrence of yeasts and hyphae throughout the gastrointestinal tract. Forward genetic analysis revealed that major transcriptional activators of yeast-to-hypha morphogenesis have unexpected activity as potent inhibitors of commensalism. In vivo FISH, transcriptomic, and genetic analyses indicate that the morphogenesis program inhibits commensal fitness, not through control of cell shape as expected from in vitro studies, but by activating expression of a hypha-specific pro-inflammatory secreted protease and a hyphal cell surface adhesin. These results reveal a tradeoff between fungal programs supporting commensalism and virulence within the commensal niche in which selection against hypha-specific markers limits the disease-causing potential of this ubiquitous commensal-pathogen.

2018-12-31 | GSE124139 | GEO

High throughput RNA sequencing of C. albicans colonizing the murine GI tract reveals a role for a secreted effecter in commensalism

2018-12-31 | GSE124137 | GEO

RNA-seq of limmmunocompetent mice in response to Aspergillus fumigatus conidia and hyphae

Project description:We bulit a pulmonary aspergillosis model in immunocompetent mice. Mice were inoculated intratracheally with 50 μL suspension of conidia , hyphal fragments or normal saline, respectively, after anesthesia. Lungs from were harvested and ground for RNA extraction 24 hours after fungal inoculation. The result of RNA-seq indicated both conidia and hyphae can activate a series of immunologically relevant pathways and these pathways were much more strongly activated by hyphae. Hyphae could promote Th2 cell differentiation and suppress Th1 cell differentiation. Both hyphae and conidia could activate Th17 cell differentiation.

2021-09-15 | GSE183979 | GEO

Expression data from pDC infected with Aspergillus fumigatus

Project description:Plasmacytoid dendritic cells (pDCs) were initially considered as critical for innate immunity to viruses. However, our group has shown that pDCs bind to and inhibit the growth of Aspergillus fumigatus hyphae and that depletion of pDCs renders mice hypersusceptible to experimental aspergillosis. In this study, we examined pDC receptors responsible for hyphal recognition and downstream events in pDCs stimulated by A. fumigatus hyphae. Our data show that Dectin-2 but not Dectin-1 participates in hyphal recognition by pDCs and that Dectin-2 acts in cooperation with the FcRÎ³ chain to trigger signaling responses. In addition, using confocal and electron microscopy we demonstrated that the interaction between pDCs and A. fumigatus induced the formation of pDC extracellular traps (pETs) containing DNA and citrullinated histone H3. Thus, these structures closely resembled those of neutrophil extracellular traps (NETs). Microarray analysis of the pDC transcriptome upon A. fumigatus infection demonstrated up-regulated expression of genes previously associated with viral infections or apoptosis. Moreover, the abundant expression of type I Interferon-encoding genes seen in CpG-stimulated pDCs was absent in the pDCs infected with A. fumigatus hyphae. Thus, human pDCs directly recognize A. fumigatus hyphae via Dectin-2. This interaction leads to formation of pET and triggers a distinct pattern of pDC gene expression. The spectrum of changes in gene expression was examined in pDCs from 3 blood donors, 2 and 4h following incubation with hyphae. Comparative controls included unstimulated and CpG-stimulated pDCs.

2014-03-01 | E-GEOD-55467 | biostudies-arrayexpress

A metabolic checkpoint controls hyphal development in Candida albicans via nitric oxide signaling

Project description:We investigated the roles of mitochondrial dynamics in hyphal growth of C. albicans using the small molecule inhibitor MDIVI-1. Strikingly, the small molecule inhibitor represses both the yeast-to hyphae transition and ongoing filamentation, and its effects on morphogenesis can be uncoupled from general growth inhibition. RNAseq experiments of inhibitor-treated cells coupled with Candida mutant analyses suggest the existence of a novel mechanism of action to represses hyphal growth. The inhibitor was protective to host cells, increasing the survival of bone-marrow derived macrophages in ex vivo macrophage-Candida infection assays, suggesting it has potential as a therapeutic.

2018-11-20 | GSE105148 | GEO

OmicsDI is part of the ELIXIR infrastructure

OmicsDI is an Elixir interoperability service. Learn more ›

Tweets

OmicsDI Databases

PRIDE
PeptideAtlas
MassIVE
JPOST Repository
Physiome Model Repository

EGA
EVA
ENA
LINCS
PAXDB
Cell Collective

MetaboLights
Metabolomics Workbench
MetabolomeExpress
GNPS
BioModels
FAIRDOMHub

ArrayExpress
dbGaP
ExpressionAtlas
GEO
NODE

Information

Databases
Help
API
Contact us
Code on GitHub
Terms of use
Submit Data