Spatiotemporal sequence of mesoderm and endoderm lineage segregation during mouse gastrulation
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA637375 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR11926800_1.fastq.gz | Fastqsanger.gz | |||
| SRR11926800_2.fastq.gz | Fastqsanger.gz | |||
| SRR11926801_1.fastq.gz | Fastqsanger.gz | |||
| SRR11926801_2.fastq.gz | Fastqsanger.gz | |||
| SRR11926802_1.fastq.gz | Fastqsanger.gz |
Items per page: 5 1 - 5 of 36 |
Similar Datasets
Project description:Anterior mesoderm (AM) and definitive endoderm (DE) progenitors represent the earliest embryonic cell types that are specified during germ layer formation at the primitive streak (PS) of the mouse embryo. Genetic experiments indicate that both lineages segregate from Eomes expressing progenitors in response to different NODAL signaling levels. However, the precise spatiotemporal pattern of the emergence of these cell types and molecular details of lineage segregation remain unexplored. We combined genetic fate labeling and imaging approaches with single cell RNA sequencing (scRNA-seq) to follow the transcriptional identities and define lineage trajectories of Eomes dependent cell types. Accordingly, all cells moving through the PS during the first day of gastrulation express Eomes AM and DE specification occurs before cells leave the PS from Eomes positive progenitors in a distinct spatiotemporal pattern. ScRNA-seq analysis further suggest the immediate and complete separation of AM and DE lineages from Eomes expressing cells as last common bipotential progenitor.
2020-12-07 | GSE151824 | GEO
Project description:Extraembryonic mesoderm (ExM) is one of the first cell types that emerges during embryogenesis and constitutes essential supportive tissues for the pregnancy. Primate ExM is known to form prior to gastrulation, unlike its murine counterpart which is derived from the primitive streak. Based on the embryonic morphology and the proximity of ExM to the extraembryonic endoderm (hypoblast), we hypothesised that ExM can be derived in vitro from the naïve extraembryonic endoderm (nEnd) cell line. We applied a mesoderm differentiation protocol, which has been reported to induce ExM from mouse epiblast stem cells, on human nEnd and analysed the transcriptome on day 0, 1, 2, 8 and 15.
2023-06-29 | E-MTAB-12517 | biostudies-arrayexpress
Project description:Foregut organogenesis is regulated by inductive interactions between the endoderm and the adjacent mesoderm. We identified genes induced in the foregut progenitors by the adjacent mesoderm. We used microarrays to detail the global programme of early foregut endoderm gene expression resulting from mesoderm induction and identified distinct classes of up-regulated genes during this process. Xenopus foregut endoderm explants cultured from Stages 15 to 23 either intact with mesoderm or as endoderm alone. Total RNA was isolated from the endoderm of these two culture conditions in quadruplicate and were subjected to Affymetrix microarray analysis.
2012-06-11 | E-GEOD-38654 | biostudies-arrayexpress
Project description:Single cell technologies hold promise for resolving complex early developmental phenotypes. Here we define a novel Hedgehog (Hh)-Fibroblast Growth Factor (FGF) signaling axis for the formation of anterior mesoderm lineages during gastrulation. Single-cell transcriptome analysis of Hh-deficient mesoderm revealed selective deficits in anterior mesoderm populations—culminating in defects to anterior embryonic structures including the pharyngeal arches, heart, and anterior somites. Transcriptional profiling of Hh-deficient mesoderm during gastrulation revealed disruptions to both transcriptional patterning of the mesoderm and FGF signaling for mesoderm migration. Mesoderm-specific Fgf4/Fgf8 double mutants recapitulated anterior mesoderm defects and Hh-dependent GLI transcription factors modulated enhancers at FGF gene loci. Cellular migration defects during gastrulation induced by Hh pathway antagonism were mitigated by FGF4 protein. These findings implicate a multicomponent signaling hierarchy activated by Hh ligands from the embryonic node and executed by FGF signals in nascent mesoderm to control anterior mesoderm patterning.
2020-06-23 | GSE149335 | GEO
Project description:Foregut organogenesis is regulated by inductive interactions between the endoderm and the adjacent mesoderm. We identified genes induced in the foregut progenitors by the adjacent mesoderm. We used microarrays to detail the global programme of early foregut endoderm gene expression resulting from mesoderm induction and identified distinct classes of up-regulated genes during this process.
2012-06-12 | GSE38654 | GEO
Project description:The transcription factor BRACHYURY (T, BRA) is one of the first markers of gastrulation and lineage specification in mammals. Despite its wide use and importance in stem cell and developmental biology, its genomic targets are largely unknown. Here, we used differentiated human embryonic stem cells to study the role of BRA in Bmp4-induced mesoderm and Activin-induced endoderm progenitors by ChIP-seq. We show that BRA has distinct genome-wide binding landscapes in these two populations. Our data illuminate the function of BRA in the context of human embryonic development and show that the regulatory role of BRA is context-dependent. ChIP-seq of BRACHYURY (T, BRA) in two cell types: endoderm and mesoderm progenitors derived from human embryonic stem cells after 36 hours of growth in chemically-defined media (described in Bernardo et al., Cell Stem Cell, 2011, 9:144-155). Input DNA samples are included as a control.
2015-05-18 | E-GEOD-60606 | biostudies-arrayexpress
Project description:It is generally accepted that epiblast cells ingress into the primitive streak by epithelial-to-mesenchymal transition (EMT) to give rise to the mesoderm; however, it is less clear how the endoderm acquires an epithelial fate. Here, we used embryonic stem cell and mouse embryo knock‐in reporter systems to combine time-resolved lineage labelling with high-resolution single-cell transcriptomics. This allowed us to resolve the morphogenetic programs that segregate the mesoderm from the endoderm germ layer. Strikingly, while the mesoderm is formed by classical EMT, the endoderm is formed independent of the key EMT transcription factor Snail1 by mechanisms of epithelial cell plasticity. Importantly, forkhead box transcription factor A2 (Foxa2) acts as an epithelial gatekeeper and EMT suppressor to shield the endoderm from undergoing a mesenchymal transition. Altogether, these results not only establish the morphogenetic details of germ layer formation, but also have broader implications for stem cell differentiation and cancer metastasis.
2021-06-24 | GSE148226 | GEO
Project description:We performed 3 single-cell RNAseq experiments to identify the mechanisms of definitive endoderm formation during gastrulation. To enrich for the rare endoderm and endoderm progenitor populations we used the FVF reporter mouse line. 103 homozygous FVF embryos were isloated at two consecutive days: 40 early to mid streak stage embryos at day 1, 39 early to mid streak embryos at day 2 , 24 mid streak to late streak embryos at day 2 . Embryonic compartments from each sample were FACS sorted according to Foxa2-Venus fluorescence intensity into FVF negative, FVF low and FVF high cell populations. Using the FVF-sorted cell populations we could identify FVF low endoderm progenitors and their continous transition into FVF high anterior defintive endoderm.
2021-06-24 | GSE162534 | GEO
Project description:Single-cell technology was used to investigate dynamic transcriptional changes in the blastula and gastrula of Drosophila embryos. Cells from embryo of stages 5 to 9 were isolated and subjected to library construction. Mesoderm cells were labeled with mCD8-GFP utilizing the GAL/UAS system. PCA identified 12 unique cell clusters that represent the blastoderm, mesoderm, endoderm and ectoderm anlage, primordia, and a sampling of differentiating cell types. In the cellular blastoderm, we found that the major wave of zygotic gene activation consists of two steps, which is supported by sub-clustering analysis. Trajectory analysis of stage 6-8 mesoderm cells suggested that transcription factors, previously linked to ectodermal segment polarity, also control mesoderm segmentation, patterning and differentiation. With the cells originating from the posterior ventral region of the blastoderm, trajectory analysis identified a group of cells that are multipotent progenitors giving rise to visceral muscles, Malpighian tubules as well as a new cell type. In summary, this single-cell study of gastrulation demonstrates early patterning involves trunk- versus pole-centered programs, the mesoderm is segmentally patterned, and a new cell type arises from the caudal mesoderm.
2023-10-18 | GSE222660 | GEO
Project description:Epithelial cell plasticity drives endoderm formation during gastrulation
| PRJNA623551 | ENA