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Nature Communications

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https://www.readbyqxmd.com/read/29339726/publisher-correction-identification-and-characterization-of-two-functional-variants-in-the-human-longevity-gene-foxo3
#1
Friederike Flachsbart, Janina Dose, Liljana Gentschew, Claudia Geismann, Amke Caliebe, Carolin Knecht, Marianne Nygaard, Nandini Badarinarayan, Abdou ElSharawy, Sandra May, Anne Luzius, Guillermo G Torres, Marlene Jentzsch, Michael Forster, Robert Häsler, Kathrin Pallauf, Wolfgang Lieb, Céline Derbois, Pilar Galan, Dmitriy Drichel, Alexander Arlt, Andreas Till, Ben Krause-Kyora, Gerald Rimbach, Hélène Blanché, Jean-François Deleuze, Lene Christiansen, Kaare Christensen, Michael Nothnagel, Philip Rosenstiel, Stefan Schreiber, Andre Franke, Susanne Sebens, Almut Nebel
The original version of this Article contained an error in the spelling of the author Robert Häsler, which was incorrectly given as Robert Häesler. This has now been corrected in both the PDF and HTML versions of the Article.
January 17, 2018: Nature Communications
https://www.readbyqxmd.com/read/29339817/cooperating-with-machines
#2
Jacob W Crandall, Mayada Oudah, Tennom, Fatimah Ishowo-Oloko, Sherief Abdallah, Jean-François Bonnefon, Manuel Cebrian, Azim Shariff, Michael A Goodrich, Iyad Rahwan
Since Alan Turing envisioned artificial intelligence, technical progress has often been measured by the ability to defeat humans in zero-sum encounters (e.g., Chess, Poker, or Go). Less attention has been given to scenarios in which human-machine cooperation is beneficial but non-trivial, such as scenarios in which human and machine preferences are neither fully aligned nor fully in conflict. Cooperation does not require sheer computational power, but instead is facilitated by intuition, cultural norms, emotions, signals, and pre-evolved dispositions...
January 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29339814/long-lived-hot-carrier-light-emission-and-large-blue-shift-in-formamidinium-tin-triiodide-perovskites
#3
Hong-Hua Fang, Sampson Adjokatse, Shuyan Shao, Jacky Even, Maria Antonietta Loi
A long-lived hot carrier population is critical in order to develop working hot carrier photovoltaic devices with efficiencies exceeding the Shockley-Queisser limit. Here, we report photoluminescence from hot-carriers with unexpectedly long lifetime (a few ns) in formamidinium tin triiodide. An unusual large blue shift of the time-integrated photoluminescence with increasing excitation power (150 meV at 24 K and 75 meV at 293 K) is displayed. On the basis of the analysis of energy-resolved and time-resolved photoluminescence, we posit that these phenomena are associated with slow hot carrier relaxation and state-filling of band edge states...
January 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29339793/skin-inspired-highly-stretchable-and-conformable-matrix-networks-for-multifunctional-sensing
#4
Qilin Hua, Junlu Sun, Haitao Liu, Rongrong Bao, Ruomeng Yu, Junyi Zhai, Caofeng Pan, Zhong Lin Wang
Mechanosensation electronics (or Electronic skin, e-skin) consists of mechanically flexible and stretchable sensor networks that can detect and quantify various stimuli to mimic the human somatosensory system, with the sensations of touch, heat/cold, and pain in skin through various sensory receptors and neural pathways. Here we present a skin-inspired highly stretchable and conformable matrix network (SCMN) that successfully expands the e-skin sensing functionality including but not limited to temperature, in-plane strain, humidity, light, magnetic field, pressure, and proximity...
January 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29339785/the-lncrna-gata6-as-epigenetically-regulates-endothelial-gene-expression-via-interaction-with-loxl2
#5
Philipp Neumann, Nicolas Jaé, Andrea Knau, Simone F Glaser, Youssef Fouani, Oliver Rossbach, Marcus Krüger, David John, Albrecht Bindereif, Phillip Grote, Reinier A Boon, Stefanie Dimmeler
Impaired or excessive growth of endothelial cells contributes to several diseases. However, the functional involvement of regulatory long non-coding RNAs in these processes is not well defined. Here, we show that the long non-coding antisense transcript of GATA6 (GATA6-AS) interacts with the epigenetic regulator LOXL2 to regulate endothelial gene expression via changes in histone methylation. Using RNA deep sequencing, we find that GATA6-AS is upregulated in endothelial cells during hypoxia. Silencing of GATA6-AS diminishes TGF-β2-induced endothelial-mesenchymal transition in vitro and promotes formation of blood vessels in mice...
January 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29339783/global-and-regional-importance-of-the-direct-dust-climate-feedback
#6
Jasper F Kok, Daniel S Ward, Natalie M Mahowald, Amato T Evan
Feedbacks between the global dust cycle and the climate system might have amplified past climate changes. Yet, it remains unclear what role the dust-climate feedback will play in future anthropogenic climate change. Here, we estimate the direct dust-climate feedback, arising from changes in the dust direct radiative effect (DRE), using a simple theoretical framework that combines constraints on the dust DRE with a series of climate model results. We find that the direct dust-climate feedback is likely in the range of -0...
January 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29339767/regulatory-t-cells-trigger-effector-t-cell-dna-damage-and-senescence-caused-by-metabolic-competition
#7
Xia Liu, Wei Mo, Jian Ye, Lingyun Li, Yanping Zhang, Eddy C Hsueh, Daniel F Hoft, Guangyong Peng
Defining the suppressive mechanisms used by regulatory T (Treg) cells is critical for the development of effective strategies for treating tumors and chronic infections. The molecular processes that occur in responder T cells that are suppressed by Treg cells are unclear. Here we show that human Treg cells initiate DNA damage in effector T cells caused by metabolic competition during cross-talk, resulting in senescence and functional changes that are molecularly distinct from anergy and exhaustion. ERK1/2 and p38 signaling cooperate with STAT1 and STAT3 to control Treg-induced effector T-cell senescence...
January 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29339755/a-prebiotic-template-directed-peptide-synthesis-based-on-amyloids
#8
Saroj K Rout, Michael P Friedmann, Roland Riek, Jason Greenwald
The prebiotic replication of information-coding molecules is a central problem concerning life's origins. Here, we report that amyloids composed of short peptides can direct the sequence-selective, regioselective and stereoselective condensation of amino acids. The addition of activated DL-arginine and DL-phenylalanine to the peptide RFRFR-NH2 in the presence of the complementary template peptide Ac-FEFEFEFE-NH2 yields the isotactic product FRFRFRFR-NH2, 1 of 64 possible triple addition products, under conditions in which the absence of template yields only single and double additions of mixed stereochemistry...
January 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29339748/dot1-regulates-nucleosome-dynamics-by-its-inherent-histone-chaperone-activity-in-yeast
#9
Soyun Lee, Seunghee Oh, Kwiwan Jeong, Hyelim Jo, Yoonjung Choi, Hogyu David Seo, Minhoo Kim, Joonho Choe, Chang Seob Kwon, Daeyoup Lee
Dot1 (disruptor of telomeric silencing-1, DOT1L in humans) is the only known enzyme responsible for histone H3 lysine 79 methylation (H3K79me) and is evolutionarily conserved in most eukaryotes. Yeast Dot1p lacks a SET domain and does not methylate free histones and thus may have different actions with respect to other histone methyltransferases. Here we show that Dot1p displays histone chaperone activity and regulates nucleosome dynamics via histone exchange in yeast. We show that a methylation-independent function of Dot1p is required for the cryptic transcription within transcribed regions seen following disruption of the Set2-Rpd3S pathway...
January 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29339744/human-caspase-4-detects-tetra-acylated-lps-and-cytosolic-francisella-and-functions-differently-from-murine-caspase-11
#10
Brice Lagrange, Sacha Benaoudia, Pierre Wallet, Flora Magnotti, Angelina Provost, Fanny Michal, Amandine Martin, Flaviana Di Lorenzo, Bénédicte F Py, Antonio Molinaro, Thomas Henry
Caspase-4/5 in humans and caspase-11 in mice bind hexa-acylated lipid A, the lipid moeity of lipopolysaccharide (LPS), to induce the activation of non-canonical inflammasome. Pathogens such as Francisella novicida express an under-acylated lipid A and escape caspase-11 recognition in mice. Here, we show that caspase-4 drives inflammasome responses to F. novicida infection in human macrophages. Caspase-4 triggers F. novicida-mediated, gasdermin D-dependent pyroptosis and activates the NLRP3 inflammasome. Inflammasome activation could be recapitulated by transfection of under-acylated LPS from different bacterial species or synthetic tetra-acylated lipid A into cytosol of human macrophage...
January 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29339738/dna-methyltransferase-inhibition-upregulates-mhc-i-to-potentiate-cytotoxic-t-lymphocyte-responses-in-breast-cancer
#11
Na Luo, Mellissa J Nixon, Paula I Gonzalez-Ericsson, Violeta Sanchez, Susan R Opalenik, Huili Li, Cynthia A Zahnow, Michael L Nickels, Fei Liu, Mohammed N Tantawy, Melinda E Sanders, H Charles Manning, Justin M Balko
Potentiating anti-tumor immunity by inducing tumor inflammation and T cell-mediated responses are a promising area of cancer therapy. Immunomodulatory agents that promote these effects function via a wide variety of mechanisms, including upregulation of antigen presentation pathways. Here, we show that major histocompatibility class-I (MHC-I) genes are methylated in human breast cancers, suppressing their expression. Treatment of breast cancer cell lines with a next-generation hypomethylating agent, guadecitabine, upregulates MHC-I expression in response to interferon-γ...
January 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29339734/au-nb-h-x-k1-xnbo3-nanopeapods-with-near-infrared-active-plasmonic-hot-electron-injection-for-water-splitting
#12
Ying-Chu Chen, Yu-Kuei Hsu, Radian Popescu, Dagmar Gerthsen, Yan-Gu Lin, Claus Feldmann
Full-spectrum utilization of diffusive solar energy by a photocatalyst for environmental remediation and fuel generation has long been pursued. In contrast to tremendous efforts in the UV-to-VIS light regime of the solar spectrum, the NIR and IR areas have been barely addressed although they represent about 50% of the solar flux. Here we put forward a biomimetic photocatalyst blueprint that emulates the growth pattern of a natural plant-a peapod-to address this issue. This design is exemplified via unidirectionally seeding core-shell Au@Nb nanoparticles in the cavity of semiconducting H x K1-xNbO3 nanoscrolls...
January 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29339731/electron-affinity-of-liquid-water
#13
Alex P Gaiduk, Tuan Anh Pham, Marco Govoni, Francesco Paesani, Giulia Galli
Understanding redox and photochemical reactions in aqueous environments requires a precise knowledge of the ionization potential and electron affinity of liquid water. The former has been measured, but not the latter. We predict the electron affinity of liquid water and of its surface from first principles, coupling path-integral molecular dynamics with ab initio potentials, and many-body perturbation theory. Our results for the surface (0.8 eV) agree well with recent pump-probe spectroscopy measurements on amorphous ice...
January 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29339725/tgr5-signalling-promotes-mitochondrial-fission-and-beige-remodelling-of-white-adipose-tissue
#14
Laura A Velazquez-Villegas, Alessia Perino, Vera Lemos, Marika Zietak, Mitsunori Nomura, Thijs Willem Hendrik Pols, Kristina Schoonjans
Remodelling of energy storing white fat into energy expending beige fat could be a promising strategy to reduce adiposity. Here, we show that the bile acid-responsive membrane receptor TGR5 mediates beiging of the subcutaneous white adipose tissue (scWAT) under multiple environmental cues including cold exposure and prolonged high-fat diet feeding. Moreover, administration of TGR5-selective bile acid mimetics to thermoneutral housed mice leads to the appearance of beige adipocyte markers and increases mitochondrial content in the scWAT of Tgr5 +/+ mice but not in their Tgr5 -/- littermates...
January 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29339724/granulocyte-colony-stimulating-factor-controls-neural-and-behavioral-plasticity-in-response-to-cocaine
#15
Erin S Calipari, Arthur Godino, Emily G Peck, Marine Salery, Nicholas L Mervosh, Joseph A Landry, Scott J Russo, Yasmin L Hurd, Eric J Nestler, Drew D Kiraly
Cocaine addiction is characterized by dysfunction in reward-related brain circuits, leading to maladaptive motivation to seek and take the drug. There are currently no clinically available pharmacotherapies to treat cocaine addiction. Through a broad screen of innate immune mediators, we identify granulocyte-colony stimulating factor (G-CSF) as a potent mediator of cocaine-induced adaptations. Here we report that G-CSF potentiates cocaine-induced increases in neural activity in the nucleus accumbens (NAc) and prefrontal cortex...
January 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29339723/fasoracetam-in-adolescents-with-adhd-and-glutamatergic-gene-network-variants-disrupting-mglur-neurotransmitter-signaling
#16
Josephine Elia, Grace Ungal, Charlly Kao, Alexander Ambrosini, Nilsa De Jesus-Rosario, Lene Larsen, Rosetta Chiavacci, Tiancheng Wang, Christine Kurian, Kanani Titchen, Brian Sykes, Sharon Hwang, Bhumi Kumar, Jacqueline Potts, Joshua Davis, Jeffrey Malatack, Emma Slattery, Ganesh Moorthy, Athena Zuppa, Andrew Weller, Enda Byrne, Yun R Li, Walter K Kraft, Hakon Hakonarson
The glutamatergic neurotransmitter system may play an important role in attention-deficit hyperactivity disorder (ADHD). This 5-week, open-label, single-blind, placebo-controlled study reports the safety, pharmacokinetics and responsiveness of the metabotropic glutamate receptor (mGluR) activator fasoracetam (NFC-1), in 30 adolescents, age 12-17 years with ADHD, harboring mutations in mGluR network genes. Mutation status was double-blinded. A single-dose pharmacokinetic profiling from 50-800 mg was followed by a single-blind placebo at week 1 and subsequent symptom-driven dose advancement up to 400 mg BID for 4 weeks...
January 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29339722/the-deep-subsurface-sulfate-reducer-desulfotomaculum-kuznetsovii-employs-two-methanol-degrading-pathways
#17
Diana Z Sousa, Michael Visser, Antonie H van Gelder, Sjef Boeren, Mervin M Pieterse, Martijn W H Pinkse, Peter D E M Verhaert, Carsten Vogt, Steffi Franke, Steffen Kümmel, Alfons J M Stams
Methanol is generally metabolized through a pathway initiated by a cobalamine-containing methanol methyltransferase by anaerobic methylotrophs (such as methanogens and acetogens), or through oxidation to formaldehyde using a methanol dehydrogenase by aerobes. Methanol is an important substrate in deep-subsurface environments, where thermophilic sulfate-reducing bacteria of the genus Desulfotomaculum have key roles. Here, we study the methanol metabolism of Desulfotomaculum kuznetsovii strain 17T, isolated from a 3000-m deep geothermal water reservoir...
January 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29339721/single-molecule-fret-reveals-multiscale-chromatin-dynamics-modulated-by-hp1%C3%AE
#18
Sinan Kilic, Suren Felekyan, Olga Doroshenko, Iuliia Boichenko, Mykola Dimura, Hayk Vardanyan, Louise C Bryan, Gaurav Arya, Claus A M Seidel, Beat Fierz
The dynamic architecture of chromatin fibers, a key determinant of genome regulation, is poorly understood. Here, we employ multimodal single-molecule Förster resonance energy transfer studies to reveal structural states and their interconversion kinetics in chromatin fibers. We show that nucleosomes engage in short-lived (micro- to milliseconds) stacking interactions with one of their neighbors. This results in discrete tetranucleosome units with distinct interaction registers that interconvert within hundreds of milliseconds...
January 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29339718/injury-activated-glial-cells-promote-wound-healing-of-the-adult-skin-in-mice
#19
Vadims Parfejevs, Julien Debbache, Olga Shakhova, Simon M Schaefer, Mareen Glausch, Michael Wegner, Ueli Suter, Una Riekstina, Sabine Werner, Lukas Sommer
Cutaneous wound healing is a complex process that aims to re-establish the original structure of the skin and its functions. Among other disorders, peripheral neuropathies are known to severely impair wound healing capabilities of the skin, revealing the importance of skin innervation for proper repair. Here, we report that peripheral glia are crucially involved in this process. Using a mouse model of wound healing, combined with in vivo fate mapping, we show that injury activates peripheral glia by promoting de-differentiation, cell-cycle re-entry and dissemination of the cells into the wound bed...
January 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29335586/publisher-correction-pelagic-barite-precipitation-at-micromolar-ambient-sulfate
#20
Tristan J Horner, Helena V Pryer, Sune G Nielsen, Peter W Crockford, Julia M Gauglitz, Boswell A Wing, Richard D Ricketts
The original version of this Article contained an error in the barite saturation state equation in the fourth paragraph of the Introduction and incorrectly read 'Ωbarite=({134Ba2+}⋅{SO42-})/Ksp)'. The correct version removes the superscript 134 next to 'Ba2+'. This error has now been corrected in both the PDF and HTML versions of the Article.
January 16, 2018: Nature Communications
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