Feces metagenome
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA744284 | ENA |
REPOSITORIES: ENA
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Project description:A generalizable strategy with programmable site-specificity for in situ profiling of histone modifications on unperturbed chromatin remains highly desirable but challenging. We herein developed a Single-site-resolved multi-omics (SiTomics) strategy for systematic mapping of dynamic modifications, and subsequent profiling of chromatinized proteome and genome defined by specific chromatin acylations in living cells. By leveraging the genetic code expansion strategy, our SiTomics toolkit revealed distinct crotonylation (e.g., H3K56cr) and β-hydroxybutyrylation (e.g., H3K56bhb) upon short chain fatty acids stimulation, and established linkages for chromatin acylation mark-defined proteome, genome and functions. This led to the identification of GLYR1 as a distinct interacting protein in modulating H3K56cr’s gene body localization as well as the discovery of an elevated super-enhancer repertoire underlying bhb-mediated chromatin modulations. SiTomics offers a platform technology for elucidating the “metabolites-modification-regulation” axis, which is widely applicable for multi-omics profiling and functional dissection of modifications beyond acylations and proteins beyond histones.
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Project description:A generalizable strategy with programmable site-specificity for in situ profiling of histone modifications on unperturbed chromatin remains highly desirable but challenging. We herein developed a Single-site-resolved multi-omics (SiTomics) strategy for systematic mapping of dynamic modifications, and subsequent profiling of chromatinized proteome and genome defined by specific chromatin acylations in living cells. By leveraging the genetic code expansion strategy, our SiTomics toolkit revealed distinct crotonylation (e.g., H3K56cr) and β-hydroxybutyrylation (e.g., H3K56bhb) upon short chain fatty acids stimulation, and established linkages for chromatin acylation mark-defined proteome, genome and functions. This led to the identification of GLYR1 as a distinct interacting protein in modulating H3K56cr’s gene body localization as well as the discovery of an elevated super-enhancer repertoire underlying bhb-mediated chromatin modulations. SiTomics offers a platform technology for elucidating the “metabolites-modification-regulation” axis, which is widely applicable for multi-omics profiling and functional dissection of modifications beyond acylations and proteins beyond histones.
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Project description:A generalizable strategy with programmable site-specificity for in situ profiling of histone modifications on unperturbed chromatin remains highly desirable but challenging. We herein developed a Single-site-resolved multi-omics (SiTomics) strategy for systematic mapping of dynamic modifications, and subsequent profiling of chromatinized proteome and genome defined by specific chromatin acylations in living cells. By leveraging the genetic code expansion strategy, our SiTomics toolkit revealed distinct crotonylation (e.g., H3K56cr) and β-hydroxybutyrylation (e.g., H3K56bhb) upon short chain fatty acids stimulation, and established linkages for chromatin acylation mark-defined proteome, genome and functions. This led to the identification of GLYR1 as a distinct interacting protein in modulating H3K56cr’s gene body localization as well as the discovery of an elevated super-enhancer repertoire underlying bhb-mediated chromatin modulations. SiTomics offers a platform technology for elucidating the “metabolites-modification-regulation” axis, which is widely applicable for multi-omics profiling and functional dissection of modifications beyond acylations and proteins beyond histones.
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