Publications related to Polarity in embryogenesis

Related publications (15)

Physically asymmetric division of the C. elegans zygote ensures invariably successful embryogenesis

Asymmetric divisions that yield daughter cells of different sizes are frequent during early embryogenesis, but the importance of such a physical difference for successful development remains poorly understood. Here, we investigated this question using the ...

2021

KRAB zinc finger protein-mediated control of transposon-embedded regulatory sequences from human germline to early embryos

Alexandra Iouranova

Transposable elements (TEs), also called jumping genes, are genetic elements capable of changing their position within the genome of their host. They make up large fractions of genomes, including 45% of human DNA content, according to current estimates. S ...

EPFL2021

Wnt-controlled sphingolipids modulate Anthrax Toxin Receptor palmitoylation to regulate oriented mitosis in zebrafish

Françoise Gisou van der Goot Grunberg, Laurence Gouzi Abrami

Oriented cell division is a fundamental mechanism to control asymmetric stem cell division, neural tube elongation and body axis extension, among other processes. During zebrafish gastrulation, when the body axis extends, dorsal epiblast cells display divi ...

Nature Publishing Group2020

Unequal cleavage of the C. elegans zygote ensures robust embryogenesis

Radek Jankele

Asymmetric cell divisions play key roles in generating cellular diversity during embryogenesis, and in tissue homeostasis during postembryonic life. Particular asymmetric cell divisions producing differentially sized daughter cells were described in many s ...

EPFL2020

The interactome of KRAB zinc finger proteins reveals the evolutionary history of their functional diversification

Didier Trono, Priscilla Turelli, Christian Axel Wandall Thorball, Julien Léonard Duc, Michaël Imbeault, Andrea Coluccio, Julien Paul André Pontis, Pierre-Yves Joseph Laurent Helleboid

Krüppel‐associated box (KRAB)‐containing zinc finger proteins (KZFPs) are encoded in the hundreds by the genomes of higher vertebrates, and many act with the heterochromatin‐inducing KAP1 as repressors of transposable elements (TEs) during early embryogene ...

2019

Hominoid-Specific Transposable Elements and KZFPs Facilitate Human Embryonic Genome Activation and Control Transcription in Naive Human ESCs

Didier Trono, Priscilla Turelli, Sandra Eloise Kjeldsen, Evaristo Jose Planet Letschert, Julien Léonard Duc, Alexandre Coudray, Julien Paul André Pontis

Expansion of transposable elements (TEs) coincides with evolutionary shifts in gene expression. TEs frequently harbor binding sites for transcriptional regulators, thus enabling coordinated genome-wide activation of species- and context-specific gene expre ...

2019

C. Elegans Immobilization Using Deformable Microfluidics For In Vivo Studies Of Early Embryogenesis And Intestinal Microbiota

Martinus Adela Maria Gijs, Thomas Lehnert, Matteo Cornaglia, Li Dong, Xiaopeng Huang

The genome of the nematode Caenorhabditis elegans shows far-reaching similarities to that of humans. C. elegans is therefore considered as a powerful model organism in biological research related to humans, for instance for the study of human diseases. Suc ...

Ieee2017

A Large-Scale Functional Screen to Identify Epigenetic Repressors of Retrotransposon Expression

Didier Trono, Gabriela Ecco

Deposition of epigenetic marks is an important layer of the transcriptional control of retrotransposons, especially during early embryogenesis. Krüppel-associated box domain zinc finger proteins (KRAB-ZFPs) are one of the largest families of transcription ...

2016

Polarity-Dependent Asymmetric Distribution and MEX-5/6-Mediated Translational Activation of the Era-1 mRNA in C. elegans Embryos

Pierre Gönczy

The early C. elegans embryo is an attractive model system to investigate fundamental developmental processes. With the exception of mex-3 mRNA, maternally contributed mRNAs are thought to be distributed uniformly in the one-cell embryo. Here, we report and ...

Public Library of Science2015

Merging microfluidics and micro-array concepts: from molecular to nematode-based bioassays

Matteo Cornaglia

Essential in biomedical research is the necessity of gathering statistically relevant data about large populations of specific biological entities, e.g. organisms, cells or molecules, while preserving detailed information about each single entity under in ...

EPFL2015

Unraveling the Physiological Role of Capillary Morphogenesis Gene 2 in Health and Disease

Jérôme Bürgi

Capillary Morphogenesis Gene 2 (CMG2) is a 55kDa single-pass transmembrane protein best described as the main Anthrax Toxin Receptor. However, CMG2 physiological role remains elusive and understanding better its in vivo function was the main objective of m ...

EPFL2015

Anthrax toxin receptor 2a controls mitotic spindle positioning

Françoise Gisou van der Goot Grunberg, Laurence Gouzi Abrami

Oriented mitosis is essential during tissue morphogenesis. The Wnt/planar cell polarity (Wnt/PCP) pathway orients mitosis in a number of developmental systems, including dorsal epiblast cell divisions along the animal-vegetal (A-V) axis during zebrafish ga ...

Nature Publishing Group2013

Asymmetric Spindle Positioning and Intracellular Trafficking in C. Elegans Embryos

Kalyani Thyagarajan

Asymmetric cell division is critical for generating daughter cells that possess distinct fates during development and in stem cell lineages. Correct orientation of the mitotic spindle with respect to the polarity axis is crucial to this process. In the one ...

EPFL2011

Riding shotgun: a dual role for the epidermal growth factor-Cripto/FRL-1/Cryptic protein Cripto in Nodal trafficking

Daniel Constam

Nodal is a secreted protein of the transforming growth factor beta (TGFbeta) family that activates Smad2 and Smad3 transcription factors through complexes of type I and type II activin receptors and glycosyl-phosphatidylinositol-anchored coreceptors of the ...

2009

Full-genome RNAi profiling of early embryogenesis in Caenorhabditis elegans

Pierre Gönczy

A key challenge of functional genomics today is to generate well-annotated data sets that can be interpreted across different platforms and technologies. Large-scale functional genomics data often fail to connect to standard experimental approaches of gene ...

2005