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Conversion of MyoD to a neurogenic factor: binding site specificity determines lineage

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Mus musculus

PROVIDER: GSE64627 | GEO | 2015/07/31

SECONDARY ACCESSION(S): PRJNA272312

REPOSITORIES: GEO

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Conversion of MyoD to a neurogenic factor: binding site specificity determines lineage

Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

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Conversion of MyoD to a neurogenic factor: binding site specificity determines lineage [ChIP-seq]

Project description:MyoD and NeuroD2 are master regulators of myogenesis and neurogenesis and bind to a "shared" E-box sequence (CAGCTG) and a "private" sequence (CAGGTG or CAGATG, respectively). To determine whether private-site recognition is sufficient to confer lineage-specification, we generated a MyoD-mutant with the DNA binding specificity of NeuroD2. Our results demonstrate that redirecting MyoD binding from MyoD-private sites to NeuroD2-private sites, despite preserved binding to the MyoD/NeuroD2-shared sites, is sufficient to change MyoD from a master regulator of myogenesis to a master regulator of neurogenesis. ChIP-seq profiling of MyoD, NeuroD2 and chimera mutants in mouse P19 cells transfected with these genes. The chimeric mutants are MyoD with the bHLH domain replaced with the NeuroD2 bHLH domain.

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Project description:MyoD and NeuroD2 are master regulators of myogenesis and neurogenesis and bind to a "shared" E-box sequence (CAGCTG) and a "private" sequence (CAGGTG or CAGATG, respectively). To determine whether private-site recognition is sufficient to confer lineage-specification, we generated a MyoD-mutant with the DNA binding specificity of NeuroD2. Our results demonstrate that redirecting MyoD binding from MyoD-private sites to NeuroD2-private sites, despite preserved binding to the MyoD/NeuroD2-shared sites, is sufficient to change MyoD from a master regulator of myogenesis to a master regulator of neurogenesis. RNA-seq profiling of mouse P19 cells transfected with MyoD, NeuroD2 and chimera mutants. The chimeric mutants are MyoD with the bHLH domain replaced with the NeuroD2 bHLH domain.

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Conversion of MyoD to a neurogenic factor: binding site specificity determines lineage

Project description:Conversion of MyoD to a neurogenic factor: binding site specificity determines lineage

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