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Pintard Lab: The kiss of life: Aurora A embraces the phosphate of its cofactor Bora to trigger mitotic entry

Home publis9 May 2022
A new paper published dans médecine/sciences par l'équipe Pintard : The kiss of life: Aurora A embraces the phosphate of its cofactor Bora to trigger mitotic entry   La plupart des organismes vivants pluricellulaires sont constitués d’un grand nombre de cellules très différentes. À l’exception des gamètes, qui sont le produit d’une division cellulaire particulière (méiose), toutes…

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Duharcourt Lab – Paramecium Polycomb repressive complex 2 physically interacts with the small RNA-binding PIWI protein to repress transposable elements

Home publis21 April 2022
A new paper published by Duharcourt Team in Developmental Cell! Paramecium Polycomb repressive complex 2 physically interacts with the small RNA-binding PIWI protein to repress transposable elements   Summary Polycomb repressive complex 2 (PRC2) maintains transcriptionally silent genes in a repressed state via deposition of histone H3K27-trimethyl (me3) marks. PRC2 has also been implicated in silencing transposable elements (TEs), yet how PRC2…

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Konstantinides Lab: A complete temporal transcription factor series in the fly visual system

Home publis, News7 April 2022
A new paper just published in Nature by Nikos Konstantinides! Congratulations to all the authors   A complete temporal transcription factor series in the fly visual system   Abstract The brain consists of thousands of neuronal types that are generated by stem cells producing different neuronal types as they age. In Drosophila, this temporal patterning is driven by the successive expression…

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Courtier Lab: Non-visual cues and indirect strategies that enable discrimination of asymmetric mates

Home publis, News6 April 2022
Congratulations to Roshan Kumar Vijendravarma (Courtier Lab) for this new article published with Pierre Leopold (Institut Curie) in Ecology and Evolution: Non-visual cues and indirect strategies that enable discrimination of asymmetric mates   Abstract The postulates of developmental instability–sexual selection hypothesis is intensely debated among evolutionary biologists, wherein despite a large amount of empirical data, evidence for…

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Duharcourt Lab: GC content, but not nucleosome positioning, directly contributes to intron splicing efficiency in Paramecium

Home publis, News5 April 2022
A new paper just published by Duharcourt Team in Genome Research! GC content, but not nucleosome positioning, directly contributes to intron splicing efficiency in Paramecium   Abstract Eukaryotic genes are interrupted by introns that must be accurately spliced from mRNA precursors. With an average length of 25 nt, the more than 90,000 introns of Paramecium tetraurelia stand among the…

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Azimzadeh Lab: Evolutionary conservation of centriole rotational asymmetry in the human centrosome

Home publis, News30 March 2022
The Azimzadeh Lab has just published a new study in elife : Evolutionary conservation of centriole rotational asymmetry in the human centrosome   Abstract Centrioles are formed by microtubule triplets in a nine-fold symmetric arrangement. In flagellated protists and in animal multiciliated cells, accessory structures tethered to specific triplets render the centrioles rotationally asymmetric, a property that…

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Pintard Lab: Cortical microtubule pulling forces contribute to the union of the parental genomes in the Caenorhabditis elegans zygote

Home publis, News25 March 2022
The Pintard Team has just published a new paper in eLife : Cortical microtubule pulling forces contribute to the union of the parental genomes in the Caenorhabditis elegans zygote   Abstract Previously, we reported that the Polo-like kinase PLK-1 phosphorylates the single Caenorhabditis elegans lamin (LMN-1) to trigger lamina depolymerization during mitosis. We showed that this event is required to form…

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Minc Lab: Contribution of cytoplasm viscoelastic properties to mitotic spindle positioning

Home publis, News20 March 2022
The Minc Team has just published a new paper in PNAS : Contribution of cytoplasm viscoelastic properties to mitotic spindle positioning   Abstract Cells are filled with macromolecules and polymer networks that set scale-dependent viscous and elastic properties to the cytoplasm. Although the role of these parameters in molecular diffusion, reaction kinetics, and cellular biochemistry is being increasingly…

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