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Synthetic genomic reconstitution reveals principles of mammalian Hox cluster regulation

ABSTRACT: Synthetic genomic reconstitution reveals principles of mammalian Hox cluster regulation

PROVIDER: PRJNA788909 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR17229700.fastq.gz	Fastqsanger.gz
	SRR17229701.fastq.gz	Fastqsanger.gz
	SRR17229702.fastq.gz	Fastqsanger.gz
	SRR17229703.fastq.gz	Fastqsanger.gz
	SRR17229704.fastq.gz	Fastqsanger.gz

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Project description:Precise Hox gene expression is crucial for embryonic patterning. Intra-Hox transcription factor binding and distal enhancer elements have emerged as the major regulatory modules controlling Hox gene expression. However, quantifying their relative contributions has remained elusive. Here, we introduce "synthetic regulatory reconstitution," a conceptual framework for studying gene regulation, and apply it to the HoxA cluster. We synthesized and delivered variant rat HoxA clusters (130 to 170 kilobases) to an ectopic location in the mouse genome. We found that a minimal HoxA cluster recapitulated correct patterns of chromatin remodeling and transcription in response to patterning signals, whereas the addition of distal enhancers was needed for full transcriptional output. Synthetic regulatory reconstitution could provide a generalizable strategy for deciphering the regulatory logic of gene expression in complex genomes.

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