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Grange/Geigl Lab – Genome sequences of 36-37,000 year-old modern humans at Buran-Kaya III in Crimea

L'équipe Grange/Geigl a publié un nouvel article dans Nature Ecology and Evolution :  Genome sequences of 36-37,000 year-old modern humans at Buran-Kaya III in Crimea Deux génomes de 36-37 000 ans de Crimée éclairent les premières implantations réussies des Humains modernes en Europe et l’émergence du Gravettien L’implantation des Humains en Eurasie après leur sortie d’Afrique fut un…

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Gazave Lab – Transcriptomic landscape of posterior regeneration in the annelid Platynereis dumerilii

L'équipe Gazave a récemment publié un nouvel article dans BMC Genomics : Transcriptomic landscape of posterior regeneration in the annelid Platynereis dumerilii Résumé : Background Restorative regeneration, the capacity to reform a lost body part following amputation or injury, is an important and still poorly understood process in animals. Annelids, or segmented worms, show amazing regenerative capabilities,…

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Palancade Lab – A R-loop sensing pathway mediates the relocation of transcribed genes to nuclear pore complexes

L'équipe Palancade a récemment publié un nouvel article dans Nature communications : A R-loop sensing pathway mediates the relocation of transcribed genes to nuclear pore complexes   Résumé : Nuclear pore complexes (NPCs) have increasingly recognized interactions with the genome, as exemplified in yeast, where they bind transcribed or damaged chromatin. By combining genome-wide approaches with live…

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Ladoux /Mège Lab – Hexanematic crossover in epithelial monolayers depends on cell adhesion and cell density

L'équipe Ladoux/Mège a contribué à la publication d'un article dans Nature Communications :  Hexanematic crossover in epithelial monolayers depends on cell adhesion and cell density Résumé : Changes in tissue geometry during developmental processes are associated with collective migration of cells. Recent experimental and numerical results suggest that these changes could leverage on the coexistence of nematic…

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Conduit Lab & Guichet Lab – Multifaceted modes of γ-tubulin complex recruitment and microtubule nucleation at mitotic centrosomes

L'équipe Conduit et l'équipe Guichet ont récemment publié dans Journal of Cell Biology : Multifaceted modes of γ-tubulin complex recruitment and microtubule nucleation at mitotic centrosomes Résumé : Microtubule nucleation is mediated by γ-tubulin ring complexes (γ-TuRCs). In most eukaryotes, a GCP4/5/4/6 “core” complex promotes γ-tubulin small complex (γ-TuSC) association to generate cytosolic γ-TuRCs. Unlike γ-TuSCs, however,…

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Azimzadeh Lab – Evolution: The ancient history of cilia assembly regulation

L'équipe Azimzadeh a récemment publié dans Current Biology : Evolution: The ancient history of cilia assembly regulation Résumé : A new study identifies a conserved regulatory mechanism for cilia assembly in the closest unicellular relatives of animals, suggesting that this mechanism was already present in a common unicellular ancestor and was repurposed during the transition to multicellularity.

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Greenberg Lab – A genetic screen identifies BEND3 as a regulator of bivalent gene expression and global DNA methylation

L'équipe Greenberg a contribué à la publication d'un nouvel article dans Nucleic Acids Research : A genetic screen identifies BEND3 as a regulator of bivalent gene expression and global DNA methylation   Résumé :  Epigenetic mechanisms are essential to establish and safeguard cellular identities in mammals. They dynamically regulate the expression of genes, transposable elements and higher-order chromatin structures.…

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Prioleau Lab – Histone H3 serine-57 is a CHK1 substrate whose phosphorylation affects DNA repair

L'équipe Prioleau a contribué à la publication d'un nouvel article dans Nature communications : Histone H3 serine-57 is a CHK1 substrate whose phosphorylation affects DNA repair Résumé : Histone post-translational modifications promote a chromatin environment that controls transcription, DNA replication and repair, but surprisingly few phosphorylations have been documented. We report the discovery of histone H3 serine-57…

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Palancade Lab – Functional mapping of N-terminal residues in the yeast proteome uncovers novel determinants for mitochondrial protein import

L'équipe Palancade a contribué à la publication d'un nouvel article dans Plos Genetics : Functional mapping of N-terminal residues in the yeast proteome uncovers novel determinants for mitochondrial protein import Résumé : N-terminal ends of polypeptides are critical for the selective co-translational recruitment of N-terminal modification enzymes. However, it is unknown whether specific N-terminal signatures differentially regulate protein fate…

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Prioleau Lab – Dimeric G-quadruplex motifs-induced NFRs determine strong replication origins in vertebrates

L'équipe Prioleau a récemment publié un nouvel article dans Nature Communications : Dimeric G-quadruplex motifs-induced NFRs determine strong replication origins in vertebrates Résumé : Replication of vertebrate genomes is tightly regulated to ensure accurate duplication, but our understanding of the interplay between genetic and epigenetic factors in this regulation remains incomplete. Here, we investigated the involvement of three…

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