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Palancade Lab – Accelerated DNA replication fork speed due to loss of R-loops in myelodysplastic syndromes with SF3B1 mutation

L'équipe Palancade a contribué à la publication d'un nouvel article dans Nature communications : Accelerated DNA replication fork speed due to loss of R-loops in myelodysplastic syndromes with SF3B1 mutation Résumé : Myelodysplastic syndromes (MDS) with mutated SF3B1 gene present features including a favourable outcome distinct from MDS with mutations in other splicing factor genes SRSF2 or U2AF1. Molecular bases of these…

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Greenberg Lab – The impact of DNA methylation on CTCF-mediated 3D genome organization

L'équipe Greenberg a publié un nouvel article dans Nature structural & molecular biology : The impact of DNA methylation on CTCF-mediated 3D genome organization Résumé Cytosine DNA methylation is a highly conserved epigenetic mark in eukaryotes. Although the role of DNA methylation at gene promoters and repetitive elements has been extensively studied, the function of…

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ProtéoSeine/ImagoSeine – Theileria parasites sequester host eIF5A to escape elimination by host-mediated autophagy

Les plateformes ProtéoSeine et ImagoSeine ont contribué à la publication d'un article dans Nature communications : Theileria parasites sequester host eIF5A to escape elimination by host-mediated autophagy Résumé Intracellular pathogens develop elaborate mechanisms to survive within the hostile environments of host cells. Theileria parasites infect bovine leukocytes and cause devastating diseases in cattle in developing countries. Theileria spp. have evolved…

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Gazave Lab – Extrinsic apoptosis participates to tail regression during the metamorphosis of the chordate Ciona

L'équipe Gazave a publié un nouvel article dans Scientific report : Extrinsic apoptosis participates to tail regression during the metamorphosis of the chordate Ciona Résumé Apoptosis is a regulated cell death ubiquitous in animals defined by morphological features depending on caspases. Two regulation pathways are described, currently named the intrinsic and the extrinsic apoptosis. While intrinsic apoptosis…

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Conduit Lab – Building the centrosome: PLK-1 controls multimerization of SPD-5

L'équipe Conduit a publié un spotlight dans Journal of Cell Biology : Building the centrosome: PLK-1 controls multimerization of SPD-5   Introduction : Centrosome maturation relies on the assembly of an underlying molecular scaffold. In this issue of JCB, Rios et al. (https://doi.org/10.1083/jcb.202306142) use cross-linking mass spectrometry to reveal how PLK-1 phosphorylation promotes intermolecular SPD-5 self-association that is…

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Jackson/Verbavatz Lab – The ER tether VAPA is required for proper cell motility and anchors ER-PM contact sites to focal adhesions

L'équipe Jackson/Verbavatz a publié un nouvel article dans eLife : The ER tether VAPA is required for proper cell motility and anchors ER-PM contact sites to focal adhesions   Résumé : Cell motility processes highly depend on the membrane distribution of Phosphoinositides, giving rise to cytoskeleton reshaping and membrane trafficking events. Membrane contact sites serve as platforms for…

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JAK-STAT-dependent contact between follicle cells and the oocyte controls Drosophila anterior-posterior polarity and germline development

Un nouvel article a été publié dans Nature Communications : JAK-STAT-dependent contact between follicle cells and the oocyte controls Drosophila anterior-posterior polarity and germline development Cette étude est le fruit d'une collaboration entre des scientifiques l’Institut de biologie intégrative de la cellule (université Paris-Saclay) et de l'Institut Jacques Monod (Konstantinides Lab, Minc Lab, Guichet Lab).   Résumé : The number of…

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Pintard Lab – Microtubule-binding domains in Katanin p80 subunit are essential for severing activity in C. elegans

L'équipe Pintard a publié un nouvel article dans Journal of Cell Biology : Microtubule-binding domains in Katanin p80 subunit are essential for severing activity in C. elegans   Résumé : Microtubule-severing enzymes (MSEs), such as Katanin, Spastin, and Fidgetin play essential roles in cell division and neurogenesis. They damage the microtubule (MT) lattice, which can either destroy or amplify…

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