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Cell-specific and shared regulatory elements control a multi-gene locus active in mammary and salivary glands [Bisulfite-seq]

ABSTRACT: Cell-specific and shared regulatory elements control a multi-gene locus active in mammary and salivary glands [Bisulfite-seq]

PROVIDER: PRJNA965829 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	SRR24389904_1.fastq.gz	Fastqsanger.gz
	SRR24389904_2.fastq.gz	Fastqsanger.gz
	SRR24389905_1.fastq.gz	Fastqsanger.gz
	SRR24389905_2.fastq.gz	Fastqsanger.gz

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Cell-specific and shared regulatory elements control a multi-gene locus active in mammary and salivary glands [Bisulfite-seq]

Project description:Regulation of high-density loci harboring genes with different cell-specificities remains a puzzle. Here we investigate a locus that evolved through gene duplication and contains eight genes and 20 candidate regulatory elements, including one super-enhancer. Five genes (Csn1s1, Csn2, Csn1s2a, Csn1s2b, Csn3) are expressed in mammary glands and account for 50% of mRNAs during lactation, two (Prr27, Fdcsp) are salivary-specific and one (Odam) has dual specificity. We probed the function of 12 candidate control elements, individually and in combination, in the mouse genome. The super-enhancer is essential for the expression of Csn3, Odam and Fdcsp but largely dispensable for Csn1s1, Csn2 and Csn1s2a. Csn3 activation also requires its own local enhancer. Synergism between local enhancers and cytokine-responsive promoter elements facilitated the 10,000-fold activation of Csn2 during pregnancy. Our work identifies regulatory complexity of a multigene locus with an ancestral super-enhancer active in mammary and salivary tissue and local enhancers and promoter elements.

2023-07-28 | GSE231438 | GEO

Cell-specific and shared regulatory elements control a multi-gene locus active in mammary and salivary glands [ChIP-Seq]

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Cell-specific and shared regulatory elements control a multi-gene locus active in mammary and salivary glands [RNA-Seq]

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Cell-specific and shared regulatory elements control a multi-gene locus active in mammary and salivary glands

Project description:Cell-specific and shared regulatory elements control a multi-gene locus active in mammary and salivary glands

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Cell-specific and shared regulatory elements control a multi-gene locus active in mammary and salivary glands [ChIP-Seq]

Project description:Cell-specific and shared regulatory elements control a multi-gene locus active in mammary and salivary glands [ChIP-Seq]

| PRJNA965827 | ENA

Cell-specific and shared regulatory elements control a multi-gene locus active in mammary and salivary glands [RNA-Seq]

Project description:Cell-specific and shared regulatory elements control a multi-gene locus active in mammary and salivary glands [RNA-Seq]

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Cell-specific and shared regulatory elements control a multigene locus active in mammary and salivary glands.

Project description:Regulation of high-density loci harboring genes with different cell-specificities remains a puzzle. Here we investigate a locus that evolved through gene duplication and contains eight genes and 20 candidate regulatory elements, including one super-enhancer. Casein genes (Csn1s1, Csn2, Csn1s2a, Csn1s2b, Csn3) are expressed in mammary glands, induced 10,000-fold during pregnancy and account for 50% of mRNAs during lactation, Prr27 and Fdcsp are salivary-specific and Odam has dual specificity. We probed the function of 12 candidate regulatory elements, individually and in combination, in the mouse genome. The super-enhancer is essential for the expression of Csn3, Csn1s2b, Odam and Fdcsp but largely dispensable for Csn1s1, Csn2 and Csn1s2a. Csn3 activation also requires its own local enhancer. Synergism between local enhancers and cytokine-responsive promoter elements facilitates activation of Csn2 during pregnancy. Our work identifies the regulatory complexity of a multigene locus with an ancestral super-enhancer active in mammary and salivary tissue and local enhancers and promoter elements unique to mammary tissue.

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