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

The Conduit Lab published a spotlight in 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 essential for…

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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

The Jackson/Verbavatz Lab published a new article eLife: The ER tether VAPA is required for proper cell motility and anchors ER-PM contact sites to focal adhesions   Abstract: 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 direct lipid exchange…

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Courtier Lab – CNCA aligns small annotated genomes

The Courtier Lab contributed to a new article published in BMC Bioinformatics : CNCA aligns small annotated genomes   Abstract: Background To explore the evolutionary history of sequences, a sequence alignment is a first and necessary step, and its quality is crucial. In the context of the study of the proximal origins of SARS-CoV-2 coronavirus, we wanted to…

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IJM Seminar – Jacopo Di Russo – 29/03/2024

Invited by the Ladoux/Mège Lab, Jacopo Di Russo (REMeD lab - Interdisciplinary Centre for Clinical Research, RWTH Aachen University and DWI – Leibniz-Institute for Interactive Materials) will present an IJM seminar on the theme: Mesoscale Epithelial Mechanobiology and Cellular Interfaces   Abstract: Mechanical properties regulate tissue functions at a multicellular length scale or mesoscale. These properties depend on…

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IJM Seminar – Raymond E. Goldstein – 22/03/2024

Invited by the Ladoux/Mège Lab, Raymond E. Goldstein (Department of Applied Mathematics and Theoretical Physics, Centre for Mathematical Sciences,University of Cambridge), will present an IJM seminar on the theme: Geometrical aspects of evolutionary transitions to multicellularity   Abstract: This talk will describe recent experimental and theoretical advances in understanding the dynamics and architecture of organisms that serve as models…

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Cytoskeleton Club 20/03/24

The next meeting of the Cytoskeleton Club will take place on Wednesday, 20th of March at 9.30 am at the Institut Pasteur (Auditorium François Jacob - 28 rue du Dr Roux 75015 Paris) : Hugo Lachuer ( post-doc, Borghi lab, Institut Jacques Monod) will talk about «  Actin cortex multi-scale mechanics » Camille Bages (phD…

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

A new article has been published in Nature Communications: JAK-STAT-dependent contact between follicle cells and the oocyte controls Drosophila anterior-posterior polarity and germline development This study is the result of a collaboration between scientists of the Institut de biologie intégrative de la cellule (université Paris-Saclay) and Institut Jacques Monod (Konstantinides Lab, Minc Lab, Guichet Lab).   Abstract: The number of embryonic…

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

The Pintard lab recently published a new article in Journal of Cell Biology: Microtubule-binding domains in Katanin p80 subunit are essential for severing activity in C. elegans   Abstract: 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 the…

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Courtier Lab – Higher evolutionary dynamics of gene copy number for Drosophila glue genes located near short repeat sequences

The Courtier lab recently published a new article in BMC Ecology and Evolution: Higher evolutionary dynamics of gene copy number for Drosophila glue genes located near short repeat sequences Abstract: Background During evolution, genes can experience duplications, losses, inversions and gene conversions. Why certain genes are more dynamic than others is poorly understood. Here we examine…

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Wassmann Lab – Qualitative rather than quantitative phosphoregulation shapes the end of meiosis I in budding yeast

The Wassmann lab published a new article in EMBO: Qualitative rather than quantitative phosphoregulation shapes the end of meiosis I in budding yeast   Abstract: Exit from mitosis is brought about by dramatic changes in the phosphoproteome landscape. A drop in Cyclin-dependent kinase (Cdk) activity, the master regulatory kinase, and activation of counteracting phosphatases such as Cdc14 in budding…

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