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Integrative Genomic Analyses Reveal Putative Cell Type-specific Targets of theDrosophilaEts Transcription Factor Pointed

ABSTRACT: Integrative Genomic Analyses Reveal Putative Cell Type-specific Targets of theDrosophilaEts Transcription Factor Pointed

PROVIDER: PRJNA1036706 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR26712000_1.fastq.gz	Fastqsanger.gz
	SRR26712000_2.fastq.gz	Fastqsanger.gz
	SRR26712001_1.fastq.gz	Fastqsanger.gz
	SRR26712001_2.fastq.gz	Fastqsanger.gz
	SRR26712002_1.fastq.gz	Fastqsanger.gz

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Integrative Genomic Analyses Reveal Putative Cell Type-specific Targets of theDrosophilaEts Transcription Factor Pointed

Project description:The Ets domain transcription factors direct diverse biological processes throughout all metazoans and are implicated in development as well as in tumor initiation, progression and metastasis. The Drosophila Ets transcription factor Pointed (Pnt) is the downstream effector of the Epidermal growth factor receptor (Egfr) pathway and is required for cell cycle progression, specification, and differentiation of most cell types in the larval eye disc. Despite its critical role in development, very few targets of Pnt have been reported previously. Here, we employed an integrated approach by combining genome-wide single cell and bulk data to identify putative cell type-specific Pnt targets. First, we used chromatin immunoprecipitation with high-throughput sequencing (ChIP-seq) to determine the genome-wide occupancy of Pnt in late larval eye discs. We identified enriched regions that mapped to an average of 6,941 genes, the vast majority of which are novel putative Pnt targets. Next, we integrated ChIP-seq data with two other larval eye single cell genomics datasets (scRNA-seq and snATAC-seq) to reveal 157 putative cell type-specific Pnt targets that may help mediate unique cell type responses upon Egfr-induced differentiation. Finally, our integrated data also predicts cell type-specific functional enhancers that were not reported previously. Together, our study provides a greatly expanded list of putative cell type-specific Pnt targets in the eye and is a resource for future studies that will

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