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Physique et Vivant – 23/10/2023

La société Française de Physique organise sa première journée “Physique et Vivant” ! Elle se tiendra le 23 octobre 2023 à l'institut Jacques Monod à Paris (amphithéâtre Buffon). La participation est gratuite. La journée couvrira un pan large de la physique du vivant, de l’échelle moléculaire et cellulaire à celle des organismes et de l’évolution. Le but…

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Soutenance de thèse – Foad Ghasemi

Foad Ghasemi ( équipe Romet/Lemonne) va soutenir sa thèse : "Régulation mécanique et biochimique du désassemblage des filaments d'actine branchés"   La soutenance aura lieu le lundi 23 octobre 2023 à 14h en salle François Jacob (Institut Jacques Monod) et se déroulera en anglais.   Le jury sera composé de : Julien Husson, Professor, École Polytechnique – Examiner Antoine Jégou, DR,…

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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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Séminaire IJM – Yoichi Shinkai – 20/10/2023

Invité par l'équipe Greenberg, Yoichi Shinkai (Chief Scientist at the Cellular Memory Laboratory, Riken, Japan) va présenter un séminaire IJM sur le thème :   Biology of Histidine Methylation Résumé : We have been using a synthetic cofactor analog of SAM, ProSeAM to analyze novel substrates of lysine methyltransferases and their biological functions. Recently, we have been using…

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Séminaire IJM – Ben Montpetit – 12/10/2023

Invité par l'équipe Palancade, Ben Montpetit (Université de Californie, Davis, USA) présentera un séminaire IJM sur le thème : RNA-binding protein (RBP) recruitment, occupancy, and stoichiometry in nuclear mRNA-protein complexes. Résumé : RNA-binding proteins (RBPs) interact with mRNA and associated factors to form supramolecular complexes called messenger ribonucleoprotein (mRNP) particles. These dynamic assemblies change to direct and…

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