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

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

PROVIDER: PRJNA762564 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR15859483.fastq.gz	Fastqsanger.gz
	SRR15859484.fastq.gz	Fastqsanger.gz
	SRR15859485.fastq.gz	Fastqsanger.gz
	SRR15859486.fastq.gz	Fastqsanger.gz
	SRR15859487.fastq.gz	Fastqsanger.gz

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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

Next Generation Sequencing of HUVECs stimulated by conidia of Aspergillus fumigatus

Project description:Purpose: The goal of this study is to investigate the responses of HUVECs after the stimulation of conidia of A. fumigatus Methods: HUVECs were stimulated with conidia of Aspergillus fumigatus for 2 and 6 hours. Three biological repeats of stimulated cells or un-stimulated controls were send for RNA sequencing. Results: Using an optimized data analysis workflow, we mapped about 40 million sequence reads per sample to the human genome (build hg38) and identified round 80,000 transcripts in the HUVECs upon stimulation. Conclusions: Our resutls showed the detailed analysis of HUVECs transcriptomes upton conidia of Aspergillus fumigatus stimulation.

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Human monocyte-derived macrophage response to Aspergillus fumigatus

Project description:To investigate the influence of Aspergillus fumigatus on iron regulation in macrophages, we obtained macrophages in culture from human derived monocytes and co-cultured the monocyte-derived macrophages with Aspergillus conidia at a 1:1 ratio. We collected samples at 0, 2, 4, 6 and 8 hours and extracted RNA. We then performed gene expression profiling analysis using data obtained from RNA-seq of control macrophages and macrophage co-cultured with Aspergillus fumigatus at five time points.

2022-05-08 | GSE202286 | GEO

Transcription profiling of Aspergillus fumigatus hyphae and conidia after incubation with neutrophils from different donors

Project description:Hyphae and conidia, representing the two developmental stages of the fungus, were examined separately in this study. RNA from hyphae or conidia incubated in plasma in RPMI/HEPES without neutrophils was used as reference, and was co-hybridized with the query samples obtained from the corresponding sets incubated with neutrophils. Each biological replicate was carried out with neutrophils obtained from a different donor, and the RNA samples associated with each neutrophil source was paired separately with a corresponding reference sample prepared at the same time.

2008-09-25 | E-MEXP-1722 | biostudies-arrayexpress

Aspergillus fumigatus

Project description:Transcriptomic analysis of conidia and hyphae of Aspergillus fumigatus

| PRJNA967143 | ENA

Small RNA sequencing of Aspergillus fumigatus

Project description:Aspergillus fumigatus is an important human pathogen and a leading fungal killer. This study aimed to determine the small RNA repertoire of A. fumigatus in conidia and mycelium grown for 24 or 48 hours in liquid culture.

2023-02-14 | GSE223619 | GEO

tRF & tiRNA sequencing of Aspergillus fumigatus

Project description:Aspergillus fumigatus is an important human pathogen and a leading fungal killer. This study aimed to determine the tRNA fragment and tRNA half repertoire of A. fumigatus in wild-type conidia and mycelium grown for 24 or 48 hours in liquid culture.

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Phagolysosomal proteomics identifies different macrophage activation profiles in response to Aspergillus fumigatus conidia

Project description:An Aspergillus fumigatus infection is initialized by the inhalation and germination of airborne asexual spores (conidia). Alveolar macrophages are the first immune cells to counteract an infection by phagocytosis of conidia and intracellular degradation of the pathogen. However, A. fumigatus circumvents its intracellular killing by the manipulation of the phagolysosomal maturation. With a comparative proteomic study of the phagolysosomal proteome of a virulent wild type A. fumigatus strain and an avirulent mutant strain we aimed at the identification of proteins and processes that are hijacked by the virulent strain. We found that wild type conidia strongly modulate the protein composition of the phagolysosome. Assembly and activity of vATPase, formation of lipid rafts, signal transduction pathways as well as the generation of energy and metabolites were significantly regulated in the wild type conidia containing phagolysosomes. In different experimental setups we confirmed a disassembly of the vATPase complex, reduced formation of lipid rafts and altered abundances of mTOR, MAPK signaling molecules, Rab5 and Vamp8 mediators of endosomal trafficking as well as LAMP1 and cathepsin Z lysosomal markers. Our interactome analysis indicates that A. fumigatus proteins target small GTPases of the endosomal trafficking system and signal transducers of the host, which might lead to a reduced fungicidal activity of the phagolysosome.

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RNA sequencing of the treatment of Aspergillus fumigatus with the new antifungal drug 089 -SYBARIS

Project description:The mechanism of action of the new antifungal compound 089 was identified in Saccharomyces cerevisiae. The compound had antifungal effects also on pathogenic fungi. While on Candida species the treatment induced cells death, on A. fumigatus strains it inhibited the conidia transition to hyphae. We carried out RNA sequencing analysis to evaluate at the molecular level the effect of the treatment on Aspergillus.

2020-03-04 | E-MTAB-5309 | biostudies-arrayexpress

Phagolysosomal proteomics identifies DHN-melanin-regulated processes in activated macrophage in response to Aspergillus fumigatus conidia

Project description:Infection by the human pathogenic fungus Aspergillus fumigatus is initialized by the outgrowth of asexual spores (conidia) into the lung tissue of the immunocompromised host following an inhalation of the airborne conidia. The resident phagocytes, the alveolar macrophages are the first immune cells to encounter invading conidia. However, A. fumigatus conidia employ versatile mechanisms to evade the host immune defense and establish a severe invasive infection. Previously, we showed that depending on the presence of conidial 1,8-dihydroxynaphthalene (DHN) melanin, A. fumigatus circumvents intracellular killing by manipulating the phagolysosomal maturation process. Here, by comparative dual proteomics we analyzed proteins of phagolysosomes containing melanized wild-type or non-melanized pksP mutant conidia. Bioinformatics compiled a regulatory module of differentially abundant proteins that mirrors processes targeted by the fungus for immune evasion. Those are i.e. vATPAse-driven phagolysosomal acidification, endocytic trafficking, signal transduction, energy metabolism and immune response. In detail, we found alterations of vATPase complex assembly and impaired abundances of mTOR and MAPK signaling molecules, Rab5 and Vamp8 mediators of endosomal trafficking as well as Lamp1 and cathepsin Z lysosomal markers.

2018-03-08 | PXD006134 | Pride

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