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Symbiose sous-marine: des micro-organismes qui ne perdent pas le nord

mercredi 15 mai 2019 — Vie et Terre
CEA Une équipe du CEA-Biam a découvert un comportement symbiotique entre des bactéries douées de magnétisme et des micro-organismes eucaryotes. La magnétoréception permet aux organismes de...

Podcast: Recoding genomes, and material from the Moon's far side

mercredi 15 mai 2019
Nature, Published online: 15 May 2019; doi:10.1038/d41586-019-01556-1Listen to the lastest science news, brought to you by Shamini Bundell and Nick Howe.

Distinct modes of cell competition shape mammalian tissue morphogenesis

mercredi 15 mai 2019 par Stephanie J. Ellis, Nicholas C. Gomez, John Levorse, Aaron F. Mertz, Yejing Ge, Elaine Fuchs
Nature, Published online: 15 May 2019; doi:10.1038/s41586-019-1199-yCell competition in the developing mouse epithelium involves apoptosis and engulfment when the epithelium has only one layer, but switches to involve asymmetric cell division and differentiation of ‘loser’ cells as the epithelium (...)

Progenitors from the central nervous system drive neurogenesis in cancer

mercredi 15 mai 2019 par Philippe Mauffrey, Nicolas Tchitchek, Vilma Barroca, Alexis Bemelmans, Virginie Firlej, Yves Allory, Paul-Henri Roméo, Claire Magnon
Nature, Published online: 15 May 2019; doi:10.1038/s41586-019-1219-yIn a mouse model of prostate cancer, neural progenitors from the central nervous system that express doublecortin infiltrate tumours and metastases, and can generate new adrenergic neurons in (...)

Transcription factors and 3D genome conformation in cell-fate decisions

mercredi 15 mai 2019 par Ralph Stadhouders, Guillaume J. Filion, Thomas Graf
Nature, Published online: 15 May 2019; doi:10.1038/s41586-019-1182-7Three-dimensional genome architecture has important roles in the regulation of gene expression and is therefore a key determinant of cell identity in normal development and in disease (...)

First probe on the Moon’s far side uncovers hints of lunar interior

mercredi 15 mai 2019 par Elizabeth Gibney
Nature, Published online: 15 May 2019; doi:10.1038/d41586-019-01541-8China’s Chang’e-4 mission has detected material that was probably stirred up during an impact event.

Nerve cells from the brain invade prostate tumours

mercredi 15 mai 2019 par Simon T. Schafer, Fred H. Gage
Nature, Published online: 15 May 2019; doi:10.1038/d41586-019-01461-7Prostate cancer contains nerve cells that are linked to disease progression, but their source was unknown. A mouse study reveals that cells from the brain invade prostate tumours and give rise to this nerve-cell (...)

Author Correction: Photoredox catalysis using infrared light via triplet fusion upconversion

mercredi 15 mai 2019 par Benjamin D. Ravetz, Andrew B. Pun, Emily M. Churchill, Daniel N. Congreve, Tomislav Rovis, Luis M. Campos
Nature, Published online: 15 May 2019; doi:10.1038/s41586-019-1122-6Author Correction: Photoredox catalysis using infrared light via triplet fusion upconversion

Singapore passes ‘fake news’ law following researcher outcry

mercredi 15 mai 2019 par Mark Zastrow
Nature, Published online: 15 May 2019; doi:10.1038/d41586-019-01542-7Academics say the regulation could stifle scholarly debate.

Cavity quantum electrodynamics with atom-like mirrors

mercredi 15 mai 2019 par Mohammad Mirhosseini, Eunjong Kim, Xueyue Zhang, Alp Sipahigil, Paul B. Dieterle, Andrew J. Keller, Ana Asenjo-Garcia, Darrick E. Chang, Oskar Painter
Nature, Published online: 15 May 2019; doi:10.1038/s41586-019-1196-1An array of superconducting qubits in an open one-dimensional waveguide is precisely controlled to create an artificial quantum cavity–atom system that reaches the strong-coupling regime without substantial (...)

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