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| Open AccessCD201+ fascia progenitors choreograph injury repair
Spatiotemporal regulation of wound healing in mice and humans occurs via retinoic acid and hypoxia signalling, which regulate the differentiation of CD201+ fibroblast progenitors into proinflammatory and myofibroblast states.
- Donovan Correa-Gallegos
- , Haifeng Ye
- & Yuval Rinkevich
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Article
| Open AccessComplete human day 14 post-implantation embryo models from naive ES cells
The culture of genetically unmodified human naive embryonic stem cells in specific growth conditions gives rise to structures that recapitulate those of post-implantation human embryos up to 13–14 days after fertilization.
- Bernardo Oldak
- , Emilie Wildschutz
- & Jacob H. Hanna
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Article
| Open AccessMitochondrial integrated stress response controls lung epithelial cell fate
This study highlights the role of mitochondrial complex I-dependent NAD+ regeneration in directing lung epithelial cell fate during postnatal alveolar development by preventing pathological integrated stress response induction.
- SeungHye Han
- , Minho Lee
- & Navdeep S. Chandel
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Article
| Open AccessSelf-patterning of human stem cells into post-implantation lineages
Human pluripotent stem cells can be triggered to self-organize into structures recapitulating early human post-implantation embryonic development.
- Monique Pedroza
- , Seher Ipek Gassaloglu
- & Berna Sozen
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Article |
Inhibitory input directs astrocyte morphogenesis through glial GABABR
Inhibitory neuron activity is necessary and sufficient for astrocyte morphogenesis.
- Yi-Ting Cheng
- , Estefania Luna-Figueroa
- & Benjamin Deneen
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Article |
Metabolic regulation of species-specific developmental rates
An in vitro system that recapitulates temporal characteristics of embryonic development demonstrates that the different rates of mouse and human embryonic development stem from differences in metabolic rates and—further downstream—the global rate of protein synthesis.
- Margarete Diaz-Cuadros
- , Teemu P. Miettinen
- & Olivier Pourquié
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Article
| Open AccessSingle-cell roadmap of human gonadal development
This study provides a comprehensive spatiotemporal map of human and mouse gonadal differentiation, using a combination of single-cell and spatial transcriptomics, chromatin accessibility assays and fluorescent microscopy, which can guide in vitro gonadogenesis.
- Luz Garcia-Alonso
- , Valentina Lorenzi
- & Roser Vento-Tormo
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Article |
Tbx2 is a master regulator of inner versus outer hair cell differentiation
Tbx2 is a master regulator of cochlear inner hair cells.
- Jaime García-Añoveros
- , John C. Clancy
- & Anne Duggan
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Article |
Human distal lung maps and lineage hierarchies reveal a bipotent progenitor
Spatial transcriptomics and single-cell profiling identify previously uncharacterized cell types of human terminal and respiratory bronchioles, and show that cell differentiation and lineage trajectories are distinct from those in the mouse lung.
- Preetish Kadur Lakshminarasimha Murthy
- , Vishwaraj Sontake
- & Purushothama Rao Tata
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Article |
Brahma safeguards canalization of cardiac mesoderm differentiation
The BAF chromatin-remodelling complex ATPase gene Brm safeguards cell identity during directed cardiogenesis of mouse embryonic stem cells.
- Swetansu K. Hota
- , Kavitha S. Rao
- & Benoit G. Bruneau
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Article |
Organelle degradation in the lens by PLAAT phospholipases
In the eye lens of zebrafish and mice, the phospholipases Plaat1 and PLAAT3, respectively, are essential for macroautophagy-independent organelle degradation that produces an organelle-free zone and achieves optimal transparency.
- Hideaki Morishita
- , Tomoya Eguchi
- & Noboru Mizushima
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Article |
Arterialization requires the timely suppression of cell growth
Arterial development relies on the timely and MYC-dependent suppression of endothelial metabolism and the cell cycle in pre-arterial endothelial cells through Notch signalling.
- Wen Luo
- , Irene Garcia-Gonzalez
- & Rui Benedito
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Article
| Open AccessAn atlas of dynamic chromatin landscapes in mouse fetal development
Analysis of chromatin state and accessibility in mouse tissues from twelve sites and eight developmental stages provides a comprehensive view of chromatin dynamics.
- David U. Gorkin
- , Iros Barozzi
- & Bing Ren
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Article |
Intracellular pH controls WNT downstream of glycolysis in amniote embryos
The authors show that metabolic activity leads to an increase in the intracellular pH of neuromesodermal precursors, and that this increase in pH, by allowing post-translational modification of β-catenin, is required for the activation of WNT signalling and mesodermal fate acquisition.
- Masayuki Oginuma
- , Yukiko Harima
- & Olivier Pourquié
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In vitro characterization of the human segmentation clock
Human presomitic mesoderm cells derived in vitro demonstrate oscillations of the segmentation clock, thus providing a window into an otherwise inaccessible stage of human development.
- Margarete Diaz-Cuadros
- , Daniel E. Wagner
- & Olivier Pourquié
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Article |
Multi-omics profiling of mouse gastrulation at single-cell resolution
Single-cell mapping of chromatin accessibility, DNA methylation and RNA expression during gastrulation in mouse embryos shows characteristic epigenetic changes that accompany formation of the primary germ layers.
- Ricard Argelaguet
- , Stephen J. Clark
- & Wolf Reik
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Article |
Dynamic lineage priming is driven via direct enhancer regulation by ERK
ERK reversibly regulates embryonic stem cell transcription via selective redistribution of co-factors and RNA polymerase from pluripotency to early differentiation enhancers, while leaving transcription factors bound to their enhancers, thus preserving plasticity.
- William B. Hamilton
- , Yaron Mosesson
- & Joshua M. Brickman
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Letter |
The RIPK4–IRF6 signalling axis safeguards epidermal differentiation and barrier function
Signalling between the transcription factor IRF6 and the kinase RIPK4, in particular the phosphorylation of IRF6 by RIPK4, regulates epidermal differentiation and lipid metabolism, thereby maintaining the function of the epidermal barrier.
- Nina Oberbeck
- , Victoria C. Pham
- & Vishva M. Dixit
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Letter |
The histone mark H3K36me2 recruits DNMT3A and shapes the intergenic DNA methylation landscape
H3K36me2 targets DNMT3A to intergenic regions and this process, together with H3K36me3-mediated recruitment of DNMT3B, has a key role in establishing and maintaining genomic DNA methylation landscapes.
- Daniel N. Weinberg
- , Simon Papillon-Cavanagh
- & Chao Lu
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Letter |
Single-cell analysis of cardiogenesis reveals basis for organ-level developmental defects
Single-cell RNA-sequencing analysis reveals functions of lineage-specifying transcription factors underlying congenital defects in heart development.
- T. Yvanka de Soysa
- , Sanjeev S. Ranade
- & Deepak Srivastava
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Review Article |
Transcription factors and 3D genome conformation in cell-fate decisions
Three-dimensional genome architecture has important roles in the regulation of gene expression and is therefore a key determinant of cell identity in normal development and in disease states.
- Ralph Stadhouders
- , Guillaume J. Filion
- & Thomas Graf
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Article |
The bone marrow microenvironment at single-cell resolution
The transcriptional landscape of cell populations of the mouse bone marrow microenvironment, mapped at single-cell resolution, reveals cellular heterogeneity in this niche as well as substantial transcriptional remodelling under stress conditions.
- Anastasia N. Tikhonova
- , Igor Dolgalev
- & Iannis Aifantis
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Article |
Thermal stress induces glycolytic beige fat formation via a myogenic state
The mouse develops a developmentally and functionally distinct, non-canonical beige fat cell type as an adaptation to cold ambient temperature.
- Yong Chen
- , Kenji Ikeda
- & Shingo Kajimura
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Letter |
Mechanosignalling via integrins directs fate decisions of pancreatic progenitors
Single-cell analysis reveals that interactions with the extracellular matrix via integrin α5 and mechanotransducer YAP1 determine whether pancreatic progenitors develop along the duct or endocrine lineages.
- Anant Mamidi
- , Christy Prawiro
- & Henrik Semb
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Letter |
Helios is a key transcriptional regulator of outer hair cell maturation
Ikzf2, which encodes the transcription factor Helios, is identified as a crucial regulator of gene expression in maturing cochlear outer hair cells, and overexpression of Ikzf2 in inner hair cells induces prestin expression and electromotility.
- Lauren Chessum
- , Maggie S. Matern
- & Ronna Hertzano
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Letter |
Trans-differentiation of outer hair cells into inner hair cells in the absence of INSM1
Conditional deletion of Insm1 in mice demonstrates that INSM1 is the key switch that causes the maturation of outer hair cells in the cochlea, with its absence resulting in an increase in inner hair cells instead.
- Teerawat Wiwatpanit
- , Sarah M. Lorenzen
- & Jaime García-Añoveros
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Letter |
Social regulation of a rudimentary organ generates complex worker-caste systems in ants
In the ant genus Pheidole the growth of rudimentary wing discs—which influence developmental allometry to produce castes with distinct morphologies—is socially regulated to determine the worker-to-soldier ratio in Pheidole colonies.
- Rajendhran Rajakumar
- , Sophie Koch
- & Ehab Abouheif
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Letter |
Gamete fusion triggers bipartite transcription factor assembly to block re-fertilization
During sexual reproduction in Schizosaccharomyces pombe, the rapid reconstitution of a bipartite Mi–Pi transcription complex after fusion blocks re-fertilization and induces meiosis, which ensures that the genome is maintained.
- Aleksandar Vještica
- , Laura Merlini
- & Sophie G. Martin
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Letter |
RNA velocity of single cells
RNA velocity, estimated in single cells by comparison of spliced and unspliced mRNA, is a good indicator of transcriptome dynamics and will provide a useful tool for analysis of developmental lineage.
- Gioele La Manno
- , Ruslan Soldatov
- & Peter V. Kharchenko
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Letter |
A single-cell atlas of the airway epithelium reveals the CFTR-rich pulmonary ionocyte
Single-cell RNA sequencing analysis is used to identify cell types in the tracheal epithelium, including previously unidentified ionocytes, which express high levels of the cystic fibrosis transmembrane conductance regulator, CFTR.
- Lindsey W. Plasschaert
- , Rapolas Žilionis
- & Aron B. Jaffe
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Letter |
Shared evolutionary origin of vertebrate neural crest and cranial placodes
Similarities between the patterning of the lateral plate in Ciona and of the neural plate ectoderm in vertebrates indicate that compartmentalization of the lateral plate ectoderm preceded the advent of vertebrates.
- Ryoko Horie
- , Alex Hazbun
- & Takeo Horie
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Letter |
Activity-dependent neuroprotective protein recruits HP1 and CHD4 to control lineage-specifying genes
ADNP interacts with the chromatin remodeller CHD4 and the heterochromatin protein HP1 to form a complex termed ChAHP that represses gene expression independently of the histone H3K9me3 modification.
- Veronika Ostapcuk
- , Fabio Mohn
- & Marc Bühler
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Letter |
Diffusible repression of cytokinin signalling produces endodermal symmetry and passage cells
In an Arabidopsis model, repression of cytokinin in the root meristem produces a distinct population of xylem-pole endodermal cells, which resist suberization to become passage cells that enable transport across the otherwise-impermeable endodermis.
- Tonni Grube Andersen
- , Sadaf Naseer
- & Niko Geldner
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Article |
Population snapshots predict early haematopoietic and erythroid hierarchies
Single-cell transcriptomics, fate assays and a computational theory enable prediction of cell fates during haematopoiesis, discovery of regulators of erythropoiesis and reveal coupling between the erythroid, basophil and mast cell fates.
- Betsabeh Khoramian Tusi
- , Samuel L. Wolock
- & Merav Socolovsky
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Letter |
Mechanical regulation of stem-cell differentiation by the stretch-activated Piezo channel
Stem cells of the Drosophila midgut sense mechanical signals in vivo through the stretch-activated ion channel Piezo, which is expressed on previously unidentified enteroendocrine precursor cells.
- Li He
- , Guangwei Si
- & Norbert Perrimon
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Letter |
In vivo FRET–FLIM reveals cell-type-specific protein interactions in Arabidopsis roots
Imaging in living Arabidopsis roots reveals that protein complexes can change their conformation in a cell-type-dependent manner to regulate specific gene expression programs leading to precise specification and maintenance of particular cell fates within the root meristem.
- Yuchen Long
- , Yvonne Stahl
- & Ikram Blilou
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Letter |
Multilineage communication regulates human liver bud development from pluripotency
Single-cell RNA sequencing analysis of two- and three-dimensional hepatic differentiation reveals that both systems recapitulate certain transcriptomic features of human hepatogenesis.
- J. Gray Camp
- , Keisuke Sekine
- & Barbara Treutlein
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Letter |
m6A potentiates Sxl alternative pre-mRNA splicing for robust Drosophila sex determination
Two complementary studies describe how the pervasive N6-methyladenosine modification in mRNA can affect Drosophila sex determination, neuronal function and behaviour.
- Irmgard U. Haussmann
- , Zsuzsanna Bodi
- & Matthias Soller
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Letter |
Single-cell RNA-seq identifies a PD-1hi ILC progenitor and defines its development pathway
Single-cell RNA sequencing of bone marrow innate lymphoid cell (ILC) precursors reveals that PD-1 marks a committed ILC progenitor and that ILC2 development requires Bcl11b and IL-25R expression; activated ILCs can also be depleted by a PD-1 antibody.
- Yong Yu
- , Jason C. H. Tsang
- & Pentao Liu
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Brief Communications Arising |
Royalactin is not a royal making of a queen
- Anja Buttstedt
- , Christian H. Ihling
- & Robin F. A. Moritz
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Letter |
Cloche is a bHLH-PAS transcription factor that drives haemato-vascular specification
The zebrafish cloche gene is required for the formation of most endothelial and haematopoietic cells, however, it has been difficult to isolate; this study reveals that cloche encodes a PAS-domain-containing bHLH transcription factor, and a mammalian orthologue can partially rescue cloche mutants, indicating a possible conserved role in mammals.
- Sven Reischauer
- , Oliver A. Stone
- & Didier Y. R. Stainier
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Article |
Sex-specific pruning of neuronal synapses in Caenorhabditis elegans
How sex-specific neuronal circuits are generated during development is poorly understood; here, sensory neurons are identified in the round worm Caenorhabditis elegans, which initially connect in both male- and hermaphrodite-specific patterns, but a specific subset of these connections is pruned by each sex upon sexual maturation to produce sex-specific connectivity patterns and dimorphic behaviours.
- Meital Oren-Suissa
- , Emily A. Bayer
- & Oliver Hobert
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Letter |
Intestinal epithelial tuft cells initiate type 2 mucosal immunity to helminth parasites
Epithelial tuft cells secretion of IL-25 is shown to regulate type 2 epithelial responses to helminth parasite infection via an IL-13/IL-4Rα-dependent feedback loop.
- François Gerbe
- , Emmanuelle Sidot
- & Philippe Jay
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Letter |
NANOG alone induces germ cells in primed epiblast in vitro by activation of enhancers
In mouse embryonic stem cells converted to an epiblast fate in vitro—a state in which the cells can also gain germ cell fate if exposed to the signalling molecule BMP4—the sole expression of the transcription factor NANOG is shown to be sufficient to induce germ cell fate, in the absence of BMP4.
- Kazuhiro Murakami
- , Ufuk Günesdogan
- & M. Azim Surani
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Letter |
Hedgehog actively maintains adult lung quiescence and regulates repair and regeneration
It is generally thought that the quiescence of tissue is not actively maintained, but rather a state reflecting the absence of proliferative signal; here the authors find that quiescence is actively maintained by paracrine hedgehog signalling provided by the epithelium in the mouse adult lung, and that hedgehog is dynamically regulated during injury repair and resolution for proper restoration of tissue homeostasis after injury.
- Tien Peng
- , David B. Frank
- & Edward E. Morrisey
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Letter |
Centriole amplification by mother and daughter centrioles differs in multiciliated cells
Using advanced microscopy techniques, the process of centriole amplification in multiciliated cells is explored, and the daughter centriole identified as the primary nucleation site of more than 90% of the new centrioles, contesting existing de novo theories of centriolar amplification and highlighting a new centrosome asymmetry.
- Adel Al Jord
- , Anne-Iris Lemaître
- & Alice Meunier
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Letter |
Mutant IDH inhibits HNF-4α to block hepatocyte differentiation and promote biliary cancer
Gain-of-function mutations in isocitrate dehydrogenase (IDH) are among the most common genetic alterations in intrahepatic cholangiocarcinoma (IHCC), a deadly cancer of the liver bile ducts; now mutant IDH is shown to block liver cell differentiation through the suppression of HNF-4α, a master regulator of hepatocyte identity and quiescence, leading to expansion of liver progenitor cells primed for progression to IHCC.
- Supriya K. Saha
- , Christine A. Parachoniak
- & Nabeel Bardeesy
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Letter |
Reconstructing lineage hierarchies of the distal lung epithelium using single-cell RNA-seq
Single-cell transcriptome analysis enables the direct measurement of cell types and lineage hierarchies of the developing distal lung epithelium and identifies a population of bipotential alveolar progenitor cells.
- Barbara Treutlein
- , Doug G. Brownfield
- & Stephen R. Quake