- Le cycle de Krebs peut fonctionner à l'envers (Nature Reviews Microbiology): en présence de très fortes concentrations de CO2, les réactions peuvent avoir lieu dans le sens de la production d'acetylCoA et de pyruvate
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Les nanotechnologies du vivant Le blob.fr
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Why phages have wildly different DNA Nature News
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INSERM Canal Détox, la série qui lutte contre les fausses informations: https://presse.inserm.fr/canal-detox/
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Ce n'est pas de la biochimie à proprement parler mais... Science 2021/02/02:
- Following initial declines, in mid 2020 a resurgence in transmission of novel coronavirus disease (COVID-19) occurred in the US and Europe. As COVID19 disease control efforts are re-intensified, understanding the age demographics driving transmission and how these affect the loosening of interventions is crucial. We analyze aggregated, age-specific mobility trends from more than 10 million individuals in the US and link these mechanistically to age-specific COVID-19 mortality data. We estimate that as of October 2020, individuals aged 20-49 are the only age groups sustaining resurgent SARS-CoV-2 transmission with reproduction numbers well above one, and that at least 65 of 100 COVID-19 infections originate from individuals aged 20-49 in the US. Targeting interventions – including transmission-blocking vaccines – to adults aged 20-49 is an important consideration in halting resurgent epidemics and preventing COVID-19-attributable deaths.
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Nature News: A two-pronged attack on antibiotic-resistant microbes
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Salle de Presse INSERM: « L’effet cocktail » des perturbateurs endocriniens mieux compris
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Sur la chaine Youtube de Fondation ARC pour la recherche sur le cancer si vous êtes pressé allez directement à 3min15.
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Les couleurs dans la nature
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Scientists get the most realistic view yet of a coronavirus spike’s protein structure
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Living things depend on water, but it breaks down DNA and other key molecules. So how did the earliest cells deal with the water paradox?
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Vidéo sur les vaccins à ARN sur le site de la Cité des sciences et de l’industrie
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A la recherche d'un tueur de saumons, vidéo sur le blob.fr, un résumé de cette recherche sur le site du journal Science
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L'Intelligence Artificielle pour déterminer la structure des protéines: ‘It will change everything’: DeepMind’s AI makes gigantic leap in solving protein structures et sur le site de DeepMind
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The Maillard reaction (named after French chemist Louis-Camille Maillard) is responsible for the brown colorization and the generation of a wide variety of flavors when foods are cooked.
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The timeless, complimentary taste of oysters and champagne—explained
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vaccins COVID-19
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Ingénierie métabolique
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New Clues to Chemical Origins of Metabolism at Dawn of Life
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CRISPR–Cas9 wins Nobel
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Nature News: ‘It opens up a whole new universe’: Revolutionary microscopy technique sees individual atoms for first time
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La N-(phosphonométhyl)glycine est un herbicide mais pas que : https://e360.yale.edu/features/bee-alert-is-a-controversial-herbicide-harming-honeybees et https://www.canterbury.ac.nz/news/2018/new-study-links-common-herbicides-and-antibiotic-resistance.html
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Scientists Scan for Weaknesses in the SARS-CoV-2 Spike Protein
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Organisation d'un complexe multi enzymatique (article original)
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Intelligence Artificielle et métabolisme
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Spider silk as a biodegradable glue
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Un sucre herbicide
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Techniques de diagnostic in vitro du coronavirus
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Vaccin ARN protégeant contre la COVID-19?
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Bacteria that degrade polyurethane
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UTSW researchers and international collaborators find human protein that potently inhibits coronavirus
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In an ambitious international collaboration, researchers have “mapped” proteins in the coronavirus and identified 50 drugs to test against it.
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New coronavirus protein reveals drug target
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Governments Must Ramp Up COVID-19 Testing, Says WHO
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How SARS-CoV-2 Tests Work and What’s Next in COVID-19 Diagnostics
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Journal des sciences de France culture: La protéine-clé du coronavirus identifiée (Isabelle Imbert enseignante-chercheuse à Aix-Marseille Université au laboratoire « Architecture et fonction des Macromolécules biologiques").
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FoldIt & coronavirus
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folding@home & coronavirus
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news Coronavirus journal Nature
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“Hero” Proteins May Shield Other Proteins from Harm
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une description -sérieuse- du coronavirus et de son effet sur la santé humaine: https://www.youtube.com/watch?v=BtN-goy9VOY&t=3s
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Countries test tactics in ‘war’ against COVID-19
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si vous doutez de l'intérêt du confinement dans la lutte contre le coronavirus
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Epidémie de coronavirus
Translating proteins into music, and back
https://www.lemonde.fr/planete/video/2019/04/05/transformer-des-homards-en-matiere-plastique_5446476_3244.html
https://www.lemonde.fr/planete/video/2019/03/22/la-viande-de-laboratoire-peut-elle-nourrir-la-planete_5439567_3244.html
https://www.lemonde.fr/sciences/video/2019/03/15/des-souris-qui-voient-dans-l-infrarouge_5436579_1650684.html
https://www.lemonde.fr/sante/video/2019/02/27/crispr-cas9-une-revolution-pour-manipuler-le-genome_5428927_1651302.html
Samples taken from boreholes 5 kilometres deep suggest that the underground ecosystem contains 70% of Earth’s bacteria and archaea. Scientists estimate that between 15 billion and 23 billion tonnes of micro-organisms live in this virtually unexplored region.
Repliement des protéines et intelligence artificielle
Pourquoi 20 acides aminés?
Les sucres, nouvelles molécules de la santé le journal du CNRS