Vol 509, No 7501, Mai 2014, Type Cast

Langue : allemand

Edité par NPG Nature publishing group

Vendeur : Antiquariat Artemis Lorenz & Lorenz GbR, Leipzig, AllemagneAntiquariat Artemis Lorenz & Lorenz GbR

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Mental health: A road map for suicide research and prevention It is time for policy-makers, funders, researchers and clinicians to tackle high suicide rates, say André Aleman and Damiaan Denys. Evolutionary biology: Darwin and the women Sarah S. Richardson relishes a study of how nineteenth-century US feminists used the biologist's ideas. Review of From Eve to Evolution: Darwin, Science, and Women's Rights in Gilded Age America Kimberly A. Hamlin Information technology: Forgotten prophet of the Internet Philip Ball ponders the tale of a librarian who dreamed of networking information. Review of Cataloging the World: Paul Otlet and the Birth of the Information Age Alex Wright European pollution: Investigate smog to inform policy Paul S. Monks Databases: Soil observatory lets researchers dig deep Russell Lawley, Bridget A. Emmett & David A. Robinson Health care: Strict vaccine quality control in China Zhenglun Liang, Qunying Mao & Junzhi Wang Political ecology: Rethink Campania's toxic-waste scandal Giacomo D'Alisa, Marco Armiero & Salvatore Paolo De Rosa Technology: Internal factors drive Chinese patent surge Ching-Yan Wu, Mei-Chih Hu & John A. Mathews Epigenetics: Keeping one's sex Douglas L. Chalker See also Article by Singh et al. Astrophysics: Windy stars that go with a bang John J. Eldridge See also Letter by Gal-Yam et al. Physiology: Double function at the blood?brain barrier Christer Betsholtz See also Letter by Nguyen et al. See also Letter by Ben-Zvi et al. Materials chemistry: Selectivity from flexibility Ryotaro Matsuda Cancer: Darwinian tumour suppression Eduardo Moreno See also Article by Martins et al. Earth science: Fertile fields for seismicity Paul Lundgren See also Letter by Amos et al. Articles Top Genome-defence small RNAs exapted for epigenetic mating-type inheritance Deepankar Pratap Singh, Baptiste Saudemont, Gérard Guglielmi, Olivier Arnaiz, Jean-François Goût + et al. The molecular basis for mating-type determination in the ciliate Paramecium has been elucidated, revealing a novel function for a class of small RNAs ? these scnRNAs are typically involved in reprogramming the Paramecium genome during sexual reproduction by recognizing and excising transposable elements, but they are now found to be co-opted to switch off expression of the newly identified mating-type gene mtA by excising its promoter, and to mediate epigenetic inheritance of mating types across sexual generations. See also News & Views by Chalker Amygdala interneuron subtypes control fear learning through disinhibition Steffen B. E. Wolff, Jan Gründemann, Philip Tovote, Sabine Krabbe, Gilad A. Jacobson + et al. Plasticity within neuronal microcircuits is believed to be the substrate of learning, and this study identifies two distinct disinhibitory mechanisms involving interactions between PV+ and SOM+ interneurons that dynamically regulate principal neuron activity in the amygdala and thereby control auditory fear learning. Contrasting forms of cocaine-evoked plasticity control components of relapse Vincent Pascoli, Jean Terrier, Julie Espallergues, Emmanuel Valjent, Eoin Cornelius O?Connor + et al. Information integration in the nucleus accumbens is commandeered by cocaine at discrete synapses to allow relapse. Cell competition is a tumour suppressor mechanism in the thymus Vera C. Martins, Katrin Busch, Dilafruz Juraeva, Carmen Blum, Carolin Ludwig + et al. T cells develop from thymic precursor cells that are constantly replaced with newly arriving bone marrow progenitor cells, and the ?old? and ?new? cells are shown here to compete; in the absence of cell competition, when the influx of new bone marrow progenitor cells is blocked, the old cells acquire the ability to self-renew and eventually become transformed, leading to the development of a form of leukaemia. See also News & Views by Moreno Letters Top A Wolf?Rayet-like progenitor of SN 2013cu from spectral observations of a stellar wind Avishay Gal-Yam, I. Arcavi, E. O. Ofek, S. B.…

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Détails bibliographiques

Titre
Vol 509, No 7501, Mai 2014, Type Cast
Auteur
nature, THE INTERNATIONAL WEEKLY JOURNAL OF SCIENCE
Éditeur
NPG Nature publishing group
État de l'article
gut
Reliure
Englische Ausgabe
Langue
allemand
Poids de l'article
400 grammes

Antiquariat Artemis Lorenz & Lorenz GbR

Leipzig, Allemagne

Vendeur avec une évaluation de 5 étoiles

Vendeur AbeBooks depuis 26 mars 2015

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