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Lactate regulates major zygotic genome activation by H3K18 lactylation in mammals [RNA-seq]

ABSTRACT: Lactate is present at a high level in the microenvironment of mammalian preimplantation embryos in vivo and in vitro. However, its role in preimplantation development is unclear. Here, we report that lactate is highly enriched in the nuclei of early embryos when major zygotic genome activation (ZGA) occurs in humans and mice. The inhibition of its production and uptake results in developmental arrest at the 2-cell stage, major ZGA failure, and loss of lactate-derived H3K18lac, and the abnormal phenotypes could be recapitulated by overexpression of H3K18R mutation and rescued by addition of Lac-CoA. By profiling the landscape of H3K18lac in human and mouse preimplantation embryos, we show that H3K18lac is enriched on the promoter regions of most major ZGA genes and corelates with their expressions. Taken together, we demonstrate the important role for lactate in major ZGA via H3K18lac, showing a conserved metabolic mechanism underlies preimplantation development of mammalian embryos.

ORGANISM(S): Mus musculus

PROVIDER: GSE234025 | GEO | 2024/02/14

REPOSITORIES: GEO

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Lactate regulates major zygotic genome activation by H3K18 lactylation in mammals [CUT&TAG]

Project description:Lactate is present at a high level in the microenvironment of mammalian preimplantation embryos in vivo and in vitro. However, its role in preimplantation development is unclear. Here, we report that lactate is highly enriched in the nuclei of early embryos when major zygotic genome activation (ZGA) occurs in humans and mice. The inhibition of its production and uptake results in developmental arrest at the 2-cell stage, major ZGA failure, and loss of lactate-derived H3K18lac, and the abnormal phenotypes could be recapitulated by overexpression of H3K18R mutation and rescued by addition of Lac-CoA. By profiling the landscape of H3K18lac in human and mouse preimplantation embryos, we show that H3K18lac is enriched on the promoter regions of most major ZGA genes and corelates with their expressions. Taken together, we demonstrate the important role for lactate in major ZGA via H3K18lac, showing a conserved metabolic mechanism underlies preimplantation development of mammalian embryos.

2024-02-14 | GSE234026 | GEO

Identification of genes regulated by L-lactate and by DL-lactate in Lactobacillus plantarum

Project description:L. plantarum is known to possess an L-lactate inducible lactate racemase activity (Goffin et al. 2005. J. Bacteriol. 187:6750). In the present study, microarrays were used in order to identify all genes that are up-regulated by L-lactate, but not by a racemic mixture of D- and L-lactate. A mutant of L. plantarum NCIMB8826 deficient for NAD-dependent L-lactate activity (TF101; Ferain et al. 1994. 176:596), and thus producing no L-lactate, was grown in MRS medium at 28Â°C until mid-exponential phase (OD600nm 0.75). The culture was then divided into 3 sub-cultures. Optically pure sodium L-lactate (200 mM) was added to the first sub-culture (TF101 + L-lac 200 mM). An equimolar mixture of sodium D- and L-lactate (100 mM each) was added to the second sub-culture (TF101 + L/D-lac 200 mM). The third sub-culture was not treated (TF101; reference sample). The three sub-cultures were further incubated at 28Â°C for 1h30 (a time known to be sufficient for induction of lactate racemase activity by L-lactate). Cells were harvested by centrifugation. Microarray data were used ot identify genes that are specifically induced by L-lactate (comparison of TF101 with TF101 + L-lac 200 mM), but not by DL-lactate (comparison of TF101 with T101 + L/D-lac 200 mM). There are no biological replicates.

2013-07-01 | E-GEOD-43518 | biostudies-arrayexpress

Lactate regulates major zygotic genome activation by H3K18 lactylation in mammals

Project description:Lactate regulates major zygotic genome activation by H3K18 lactylation in mammals

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The landscape of accessible chromatin in mammalian pre-implantation embryos (RNA-Seq)

Project description:In mammals, extensive chromatin reorganization is essential for reprogramming terminally committed gametes to a totipotent state during preimplantation development. However, the global chromatin landscape and its dynamics in this period remain unexplored. Here we report a genome-wide map of accessible chromatin in mouse preimplantation embryos using an improved assay for transposase-accessible chromatin with high throughput sequencing (ATAC-seq) approach with CRISPR/Cas9-assisted mitochondrial DNA depletion. We show that despite extensive parental asymmetry in DNA methylomes, the chromatin accessibility between the parental genomes is globally comparable after major zygotic genome activation (ZGA). Accessible chromatin in early embryos is widely shaped by transposable elements and overlaps extensively with putative cis-regulatory sequences. Unexpectedly, accessible chromatin is also found near the transcription end sites of active genes. By integrating the maps of cis-regulatory elements and single-cell transcriptomes, we construct the regulatory network of early development, which helps to identify the key modulators for lineage specification. Finally, we find that the activities of cis-regulatory elements and their associated open chromatin diminished before major ZGA. Surprisingly, we observed many loci showing non-canonical, large open chromatin domains over the entire transcribed units in minor ZGA, supporting the presence of an unusually permissive chromatin state. Together, these data reveal a unique spatiotemporal chromatin configuration that accompanies early mammalian development. Mouse preimplantation embryos were obtained from crosses of C57BL/6N and DBA/2N. RNA-seq was performed in these embryos at various stages in preimplantation development.

2016-06-15 | E-GEOD-66582 | biostudies-arrayexpress

The landscape of accessible chromatin in mammalian pre-implantation embryos (ATAC-Seq)

Project description:In mammals, extensive chromatin reorganization is essential for reprogramming terminally committed gametes to a totipotent state during preimplantation development. However, the global chromatin landscape and its dynamics in this period remain unexplored. Here we report a genome-wide map of accessible chromatin in mouse preimplantation embryos using an improved assay for transposase-accessible chromatin with high throughput sequencing (ATAC-seq) approach with CRISPR/Cas9-assisted mitochondrial DNA depletion. We show that despite extensive parental asymmetry in DNA methylomes, the chromatin accessibility between the parental genomes is globally comparable after major zygotic genome activation (ZGA). Accessible chromatin in early embryos is widely shaped by transposable elements and overlaps extensively with putative cis-regulatory sequences. Unexpectedly, accessible chromatin is also found near the transcription end sites of active genes. By integrating the maps of cis-regulatory elements and single-cell transcriptomes, we construct the regulatory network of early development, which helps to identify the key modulators for lineage specification. Finally, we find that the activities of cis-regulatory elements and their associated open chromatin diminished before major ZGA. Surprisingly, we observed many loci showing non-canonical, large open chromatin domains over the entire transcribed units in minor ZGA, supporting the presence of an unusually permissive chromatin state. Together, these data reveal a unique spatiotemporal chromatin configuration that accompanies early mammalian development. Mouse preimplantation embryos were obtained from crosses of C57BL/6N and DBA/2N. ATAC-seq was performed in these embryos at various stages in preimplantation development.

2016-06-15 | E-GEOD-66581 | biostudies-arrayexpress

Lactate regulates major zygotic genome activation by H3K18 lactylation in mammals.

Project description:Lactate is present at a high level in the microenvironment of mammalian preimplantation embryos in vivo and in vitro. However, its role in preimplantation development is unclear. Here, we report that lactate is highly enriched in the nuclei of early embryos when major zygotic genome activation (ZGA) occurs in humans and mice. The inhibition of its production and uptake results in developmental arrest at the 2-cell stage, major ZGA failure, and loss of lactate-derived H3K18lac, which could be rescued by the addition of Lac-CoA and recapitulated by overexpression of H3K18R mutation. By profiling the landscape of H3K18lac during mouse preimplantation development, we show that H3K18lac is enriched on the promoter regions of most major ZGA genes and correlates with their expressions. In humans, H3K18lac is also enriched in ZGA markers and temporally concomitant with their expressions. Taken together, we profile the landscapes of H3K18lac in mouse and human preimplantation embryos, and demonstrate the important role for H3K18lac in major ZGA, showing that a conserved metabolic mechanism underlies preimplantation development of mammalian embryos.

| S-EPMC10849771 | biostudies-literature

Lactate regulates major zygotic genome activation by H3K18 lactylation in mammals [CUT&TAG]

Project description:Lactate regulates major zygotic genome activation by H3K18 lactylation in mammals [CUT&TAG]

| PRJNA979206 | ENA

Lactate regulates major zygotic genome activation by H3K18 lactylation in mammals [RNA-seq]

Project description:Lactate regulates major zygotic genome activation by H3K18 lactylation in mammals [RNA-seq]

| PRJNA979207 | ENA

The landscape of accessible chromatin in mammalian pre-implantation embryos

2016-06-15 | E-GEOD-66390 | biostudies-arrayexpress

The landscape of accessible chromatin in mammalian pre-implantation embryos (ChIP -Seq)

Project description:In mammals, extensive chromatin reorganization is essential for reprogramming terminally committed gametes to a totipotent state during preimplantation development. However, the global chromatin landscape and its dynamics in this period remain unexplored. Here we report a genome-wide map of accessible chromatin in mouse preimplantation embryos using an improved assay for transposase-accessible chromatin with high throughput sequencing (ATAC-seq) approach with CRISPR/Cas9-assisted mitochondrial DNA depletion. We show that despite extensive parental asymmetry in DNA methylomes, the chromatin accessibility between the parental genomes is globally comparable after major zygotic genome activation (ZGA). Accessible chromatin in early embryos is widely shaped by transposable elements and overlaps extensively with putative cis-regulatory sequences. Unexpectedly, accessible chromatin is also found near the transcription end sites of active genes. By integrating the maps of cis-regulatory elements and single-cell transcriptomes, we construct the regulatory network of early development, which helps to identify the key modulators for lineage specification. Finally, we find that the activities of cis-regulatory elements and their associated open chromatin diminished before major ZGA. Surprisingly, we observed many loci showing non-canonical, large open chromatin domains over the entire transcribed units in minor ZGA, supporting the presence of an unusually permissive chromatin state. Together, these data reveal a unique spatiotemporal chromatin configuration that accompanies early mammalian development. Mouse 2-cell embryos were obtained from crosses of C57BL/6N x PWK for ChIP-seq samples.

2016-06-15 | E-GEOD-79935 | biostudies-arrayexpress

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