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Targeted DamID analyses of neural progenitor cells and immature neurons of kdm5[140] and kdm5 shRNA Drosophila larvae and pupae.

ABSTRACT: Targeted DamID analyses of neural progenitor cells and immature neurons of kdm5[140] and kdm5 shRNA Drosophila larvae and pupae.

PROVIDER: PRJNA656307 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12424865.fastq.gz	Fastqsanger.gz
	SRR12424866.fastq.gz	Fastqsanger.gz
	SRR12424867.fastq.gz	Fastqsanger.gz
	SRR12424868.fastq.gz	Fastqsanger.gz
	SRR12424869.fastq.gz	Fastqsanger.gz

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Targeted DamID analyses of neural progenitor cells and immature neurons of kdm5[140] and kdm5 shRNA Drosophila larvae and pupae.

Project description:Mutations in the lysine demethylase 5 (KDM5) family of transcriptional regulators are associated with intellectual disability, yet little is known regarding their spatiotemporal requirements or neurodevelopmental contributions. Utilizing the mushroom body (MB), a major learning and memory center within the Drosophila brain, we demonstrate that KDM5 is required within ganglion mother cells and immature neurons for proper axogenesis. Moreover, the mechanism by which KDM5 functions in this context is independent of its canonical histone demethylase activity. Using in vivo transcriptional and binding analyses, we identify a network of genes directly regulated by KDM5 that are critical modulators of neurodevelopment. We find that KDM5 directly regulates the expression of prospero, a transcription factor that we demonstrate is essential for MB morphogenesis. Prospero functions downstream of KDM5 and binds to approximately half of KDM5-regulated genes. Together, our data provide evidence for a KDM5-Prospero transcriptional axis that is essential for proper MB development.

2021-03-16 | GSE156010 | GEO

Genome-winding binding profile of KDM5 in Drosophila larval prothoracic gland cells via Targeted DamID analysis

Project description:kdm5 is an essential gene in Drosophila that has critical developmental roles in the prothoracic gland cells of the larval ring gland. To profile KDM5 binding within these cells and this developmental stage, we performed Targeted DamID (TaDa). By profiling the nearest genes to significant TaDa peaks (FDR < 0.01), we identified 5815 candidate KDM5 target genes. Interestingly, 42% of these candidate KDM5 target genes appear to be conserved across multiple cellular contexts in Drosophila and span many cellular processes for future investigation.

2023-10-16 | GSE229076 | GEO

Genome-wide binding profiles of KDM5 in Drosophila GMCs and immature neurons

Project description:Mutations in the lysine demethylase 5 (KDM5) family of transcriptional regulators are associated with intellectual disability, yet little is known regarding the spatiotemporal requirements or neurodevelopmental contributions of KDM5 proteins. Utilizing the mushroom body (MB), a major learning and memory center within the Drosophila brain, we demonstrate that KDM5 is specifically required within ganglion mother cells and immature neurons for proper neurodevelopment. Within this cellular subpopulation, we identify a core network of KDM5-regulated and -bound genes that are critical modulators of neurodevelopment. Significantly, we find that a majority of these genes are direct targets of Prospero (Pros), a transcription factor with well-established roles in neurodevelopment in other neuronal contexts. We demonstrate that Pros is essential for MB development and show that KDM5 binds to pros and regulates its expression. We therefore provide evidence for a KDM5-Pros axis that orchestrates a transcriptional program critical for proper neurodevelopment.

2021-03-17 | GSE166116 | GEO

RNA-seq analysis of kdm5 null mutant wing discs

Project description:In order to determine which genes were affected by the complete loss of kdm5, we carried out RNA-seq analysis using wing discs from wildtype and kdm5 140, the new null mutant. Consistent with the phenotypes observed, transcriptome analyses of kdm5140 mutant wing imaginal discs revealed the dysregulation of a significant number of genes involved in cell cycle progression and DNA repair.

2019-12-31 | GSE109201 | GEO

RNA-seq profiling of Drosophila larval ring glands of kdm5 null mutants

Project description:kdm5 is an essential gene in Drosophila that has critical developmental roles in the prothoracic gland cells of the larval ring gland. We performed a bulk transcriptome analysis of the larval ring gland in w[1118] (wild type) and kdm5[140] (null mutant) in order to identify genes in the prothoracic gland involved in the lethality of kdm5 null mutants. We found that the absence of kdm5 causes dysregulation of genes involved in various metabolic pathways. In particular, genes both bound by KDM5 and differentially expressed in this cell type are involved in regulation of mitochondrial biology and autophagy.

2023-10-16 | GSE229075 | GEO

Genome-wide binding profiles of KDM5 in Drosophila GMCs and immature neurons

Project description:Genome-wide binding profiles of KDM5 in Drosophila GMCs and immature neurons

| PRJNA699290 | ENA

Genome-wide maps of KDM5 binding in drosophila adults

Project description:To determine which genes affected by loss of KDM5 in adults were direct targets, we carried out KDM5 ChIP-seq analyses. To valide this data, we utilized a previously generated fly strain in which the sole source of KDM5 is from a transgene expressing an HA tagged form of KDM5 expressed under the control of its endogenous promoter. Comparing genome-wide gene expression and KDM5 binding analyses in Drosophila adults, we demonstrate the primary function of KDM5 in adults is to activate gene expression KDM5. To investigate the link between KDM5 and H3K4me3, we carried out anti-H3K4me3 ChIP-seq from wildtype adults . Genome-wide, KDM5 and H3K4me3 peaks showed a similar distribution, with both peaking at the transcription start site (TSS) showed a striking overlap with the presence of H3K4me3. Examination of KDM5 binding and histone H3K4me3 modifications in drosophila adults

2015-12-22 | E-GEOD-70589 | biostudies-arrayexpress

RNA-seq analyses of kdm5[A512P] and enzymatically inactive kdm5[JmjC*] in adult heads

Project description:The goal of this study was to generate a Drosophila model of intellectual disability caused by mutations in kdm5. RNA-seq was used to define the transcriptional defects of a mutation in Drosophila that is analogous to a human intellectual disability-associated allele, kdm5[A512p]. These data revealed a total of 1609 dysregulated genes, 778 of which were upregulated and 831 were downregulated. To determine whether these transcriptional defects were due to the loss of KDM5-induced histone demethylation, we also carried out RNA-seq from a enzymatic inactive strain, kdm5[Jmjc*]. These data revealed a striking similarity between the two datasets and suggest that the primary defect of KDM5[A512P] is loss of histone demethylase activity.

2018-12-31 | GSE100578 | GEO

Genome-winding binding profile of KDM5 in Drosophila larval prothoracic gland cells via Targeted DamID analysis

Project description:Genome-winding binding profile of KDM5 in Drosophila larval prothoracic gland cells via Targeted DamID analysis

| PRJNA952686 | ENA

Gut microbiota analysis of kdm5 mutant and the flies with KDM5 knockdown in intestine tissue

Project description:To determine microbiota composition associated with loss of KDM5 in intestine, we carried out 16S rRNA seq analyses of dissected intestine from wildtype and kdm5 mutant. [GSM2628181-GSM2628190]. A total of 78 operational taxonomic units (OTUs) were identified in the sequence data. There were about 15 genera much less abundant in kdm5 mutant compared to wildtype. The kdm5 mutant were sensitive to pathogen. To confirm the microbiota associated with loss of KDM5 in intestine, 16S rRNA of new flies were sequenced and analyzed by Majorbio Bio-Pharm Technology Co. Ltd. (Shanghai, China) [GSM3243472-GSM3243481]. A total of 107 operational taxonomic units (OTUs) were identified in the sequence data. There were about 20 genera much less abundant in kdm5 mutant compared to wildtype. To confirm the microbiota associated with loss of KDM5 drosophila feeding with Lactobacillus plantarum, 16S rRNA of kdm5 mutant flies were sequenced and analyzed by Novogene Bioinformatics Technology Co., Ltd. (Tianjin, China) [GSM3263522-GSM3263527]. A total of 92 operational taxonomic units (OTUs) were identified in the sequence data. To confirm the microbiota associated with KDM5 knockdown in intestine, 16S rRNA of Myo1A-Gal4TS/+ and Myo1A-Gal4TS/+;+/kdm5RNAi flies were sequenced and analyzed by Biomarker Co. Ltd. (Beijing, China). [GSM3507915-GSM3507924]. A total of 50 operational taxonomic units (OTUs) were identified in the sequence data. There was a significant different based on the genus level between two groups.

2019-02-08 | GSE98944 | GEO

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