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Learn more about EMM | | | | | | | Latest Articles | View all Articles | | | | | Assembly and control of 3D nematic dipolar colloidal crystals | | | A. Nych, U. Ognysta, M. Škarabot, M. Ravnik, S. Žumer and I. Muševič | | | Colloidal crystals are 3D periodic structures formed from small colloidal particles as basic building blocks and exhibit unique optical and electronic properties. Nych et al. report a laser controlled assembly of 3D colloidal crystals, which can be compressed and rotated in a collective manner. | | | 12 Feb | Nat Commun 4:1489 doi:10.1038/ncomms2486 (2013) | | | Physical sciences Condensed matter | | Abstract | Full Text | PDF (2,779 kB) |
Supplementary Information |
| One mechanism contributing to co-variability of the Atlantic inflow branches to the Arctic OPEN | | | Vidar S. Lien, Frode B. Vikebø and Øystein Skagseth | | | The branched inflow of warm Atlantic Water to the Arctic has been known for more than a hundred years, yet what controls the relative strengths of the two pathways remains poorly understood. Here, the authors identify the role of atmospheric circulation over the northern Barents Sea in controlling inflow. | | | 12 Feb | Nat Commun 4:1488 doi:10.1038/ncomms2505 (2013) | | | Earth sciences Atmospheric science | | | Oceanography | | Abstract | Full Text | PDF (1,651 kB) |
Supplementary Information |
| Electrical power generation by mechanically modulating electrical double layers | | | Jong Kyun Moon, Jaeki Jeong, Dongyun Lee and Hyuk Kyu Pak | | | Electricity can be generated by moving wires in magnetic fields, but this is not the only method. Moon et al. develop an electrochemical device that produces an AC current in a controlled manner by mechanically modulating water bridges sandwiched between two conducting plates. | | | 12 Feb | Nat Commun 4:1487 doi:10.1038/ncomms2485 (2013) | | | Chemical sciences Fluids and plasma physics | | | Physical chemistry | | Abstract | Full Text | PDF (1,362 kB) |
Supplementary Information |
| Enhanced reading by training with imposed time constraint in typical and dyslexic adults | | | Zvia Breznitz, Shelley Shaul, Tzipi Horowitz-Kraus, Itamar Sela, Michael Nevat and Avi Karni | | | Slow and careful reading is encouraged to improve word decoding accuracy. Breznitz and colleagues show that a few weeks of training in accelerated reading can improve reading, for several months, in typical and dyslexic adults. | | | 12 Feb | Nat Commun 4:1486 doi:10.1038/ncomms2488 (2013) | | | Biological sciences Neuroscience | | | Abstract | Full Text | PDF (490 kB) |
| Aromatic porous-honeycomb electrodes for a sodium-organic energy storage device | | | Ken Sakaushi, Eiji Hosono, Georg Nickerl, Thomas Gemming, Haoshen Zhou, Stefan Kaskel and Jürgen Eckert | | | A huge demand for lithium batteries necessitates more affordable alternatives. Sakaushi et al. describe rechargeable sodium batteries containing organic electrodes with a porous-honeycomb structure that are comparable to lithium batteries and capable of over 7,000 cycles. | | | 12 Feb | Nat Commun 4:1485 doi:10.1038/ncomms2481 (2013) | | | Chemical sciences Materials science | | | Physical chemistry | | Abstract | Full Text | PDF (1,406 kB) |
Supplementary Information |
| Extracellular matrix inhibits structural and functional plasticity of dendritic spines in the adult visual cortex | | | L. de Vivo, S. Landi, M. Panniello, L. Baroncelli, S. Chierzi, L. Mariotti, M. Spolidoro, T. Pizzorusso, L. Maffei and G.M. Ratto | | | Neuronal connectivity in the mature brain is stabilized by the extracellular matrix. This study shows that degradation of chondroitin sulfate proteoglycans in the matrix increases connectivity in the adult cortex by causing a large increase in motility and functional plasticity of dendritic spines. | | | 12 Feb | Nat Commun 4:1484 doi:10.1038/ncomms2491 (2013) | | | Biological sciences Neuroscience | | | Abstract | Full Text | PDF (2,071 kB) |
| Allelic variation at a single gene increases food value in a drought-tolerant staple cereal OPEN | | | Edward K. Gilding, Celine H. Frère, Alan Cruickshank, Anna K. Rada, Peter J. Prentis, Agnieszka M. Mudge, Emma S. Mace, David R. Jordan and Ian D. Godwin | | | Sorghum is a drought-adapted cereal, but the grains have lower digestibility than other cereal crops. This work shows that a low-frequency allele type in the starch metabolic gene pullulanase is associated with increased digestibility, which may help improve sorghum yield and therefore food security. | | | 12 Feb | Nat Commun 4:1483 doi:10.1038/ncomms2450 (2013) | | | Biological sciences Genetics | | | Plant sciences | | Abstract | Full Text | PDF (716 kB) |
Supplementary Information |
| Perceiving invisible light through a somatosensory cortical prosthesis | | | Eric E. Thomson, Rafael Carra and Miguel A.L. Nicolelis | | | Primary sensory areas of newborn mammals typically display input-dependent plasticity. Thomson and colleagues use a sensory prosthetic device in rats to show that adult rats can discriminate different infrared light signals, when the signals are routed to somatosensory cortex by electrical microstimulation. | | | 12 Feb | Nat Commun 4:1482 doi:10.1038/ncomms2497 (2013) | | | Biological sciences Neuroscience | | Abstract | Full Text | PDF (663 kB) |
Supplementary Information |
| A new class of Solvent-in-Salt electrolyte for high-energy rechargeable metallic lithium batteries | | | Liumin Suo, Yong-Sheng Hu, Hong Li, Michel Armand and Liquan Chen | | | Commercial lithium-ion batteries normally use a liquid electrolyte. Suo et al. show that a glassy-like electrolyte containing a high concentration of lithium salt leads to a substantially enhanced battery performance because of suppressed formation of lithium dendrites on the lithium metal anodes. | | | 12 Feb | Nat Commun 4:1481 doi:10.1038/ncomms2513 (2013) | | | Chemical sciences Materials science | | | Physical chemistry | | Abstract | Full Text | PDF (2,152 kB) |
Supplementary Information |
| Chemically programmed self-sorting of gelator networks | | | Kyle L. Morris, Lin Chen, Jaclyn Raeburn, Owen R. Sellick, Pepa Cotanda, Alison Paul, Peter C. Griffiths, Stephen M. King, Rachel K. O’Reilly, Louise C. Serpell and Dave J. Adams | | | The fabrication self-sorting supramolecular gels, containing co-existing homomolecular assemblies with similar physical and chemical properties, is challenging. Here pH-controlled self-sorting gelators are reported, where the order of assembly of each component is predetermined by gelator pKa. | | | 12 Feb | Nat Commun 4:1480 doi:10.1038/ncomms2499 (2013) | | | Chemical sciences Materials science | | | Organic chemistry | | Abstract | Full Text | PDF (910 kB) |
Supplementary Information |
| IGF-1 promotes the development and cytotoxic activity of human NK cells OPEN | | | Fang Ni, Rui Sun, Binqing Fu, Fuyan Wang, Chuang Guo, Zhigang Tian and Haiming Wei | | | Insulin-like growth factor (IGF)-1 regulates many physiological functions including growth and metabolism. Ni et al. show that human natural killer cells secrete IGF-1 and that IGF-1 enhances the development and cytotoxicity of these cells. | | | 12 Feb | Nat Commun 4:1479 doi:10.1038/ncomms2484 (2013) | | | Biological sciences Immunology | | Abstract | Full Text | PDF (1,269 kB) |
Supplementary Information |
| Decoupling the spread of grasslands from the evolution of grazer-type herbivores in South America | | | Caroline A.E. Strömberg, Regan E. Dunn, Richard H. Madden, Matthew J. Kohn and Alfredo A. Carlini | | | It has been thought that the evolution of mammals similar to modern grass-eating horses in South America ~38 million years ago was a response to the spread of grasslands. This study uses microscopic plant silica fossils from southern Argentina to show that these presumed grass-eating mammals evolved in forests, not grasslands. | | | 12 Feb | Nat Commun 4:1478 doi:10.1038/ncomms2508 (2013) | | | Biological sciences Evolution | | | Palaeontology | | Abstract | Full Text | PDF (870 kB) |
Supplementary Information |
| Mechanism of tetracycline resistance by ribosomal protection protein Tet(O) | | | Wen Li, Gemma C. Atkinson, Nehal S. Thakor, Ülar Allas, Chuao-chao Lu, Kwok-Yan Chan, Tanel Tenson, Klaus Schulten, Kevin S. Wilson, Vasili Hauryliuk and Joachim Frank | | | The bacterial tetracycline resistance protein Tet(O) binds to the ribosome, preventing tetracycline from inhibiting translation. Using cryo-electron microscopic reconstruction, the authors present an atomic model of Tet(O) bound to the 70S ribosome, and reveal how Tet(O) promotes antibiotic resistance. | | | 12 Feb | Nat Commun 4:1477 doi:10.1038/ncomms2470 (2013) | | | Biological sciences Biochemistry | | | Biophysics | | Abstract | Full Text | PDF (3,193 kB) |
Supplementary Information |
| Arabidopsis ubiquitin ligase MIEL1 mediates degradation of the transcription factor MYB30 weakening plant defence | | | Daniel Marino, Solène Froidure, Joanne Canonne, Sara Ben Khaled, Mehdi Khafif, Cécile Pouzet, Alain Jauneau, Dominique Roby and Susana Rivas | | | In plants, the regulatory mechanisms that control disease resistance responses remain poorly understood. Marino et al. show that the Arabidopsis E3 ubiquitin ligase MIEL1 interacts with and ubiquitinates the MYB transcription factor (TF), MYB30, leading to proteasomal degradation of MYB30 and attenuation of plant defence. | | | 12 Feb | Nat Commun 4:1476 doi:10.1038/ncomms2479 (2013) | | | Biological sciences Plant sciences | | Abstract | Full Text | PDF (818 kB) |
Supplementary Information |
| Scalable fabrication of high-power graphene micro-supercapacitors for flexible and on-chip energy storage | | | Maher F. El-Kady and Richard B. Kaner | | | Microscale supercapacitors are promising alternative energy-storage devices; however, their use has been limited by the need for complicated fabrication techniques. This work reports the scalable fabrication of graphene supercapacitors with planar geometry that achieve power densities of up to 200 W cm−3. | | | 12 Feb | Nat Commun 4:1475 doi:10.1038/ncomms2446 (2013) | | | Physical sciences Applied physics | | | Materials science | | Abstract | Full Text | PDF (1,528 kB) |
Supplementary Information |
| Dissociating cognitive and sensory neural plasticity in human superior temporal cortex OPEN | | | Velia Cardin, Eleni Orfanidou, Jerker Rönnberg, Cheryl M. Capek, Mary Rudner and Bencie Woll | | | Neural plasticity can be mediated by cognitive processes or sensory inputs to the brain. Cardin et al. use fMRI to study individuals who vary in hearing and sign language abilities, and find that sensory and cognitive experiences cause plasticity in anatomically and functionally distinguishable cortical areas. | | | 12 Feb | Nat Commun 4:1473 doi:10.1038/ncomms2463 (2013) | | | Biological sciences Neuroscience | | | Abstract | Full Text | PDF (1,559 kB) |
| Electrical control of neutral and charged excitons in a monolayer semiconductor | | | Jason S. Ross, Sanfeng Wu, Hongyi Yu, Nirmal J. Ghimire, Aaron M. Jones, Grant Aivazian, Jiaqiang Yan, David G. Mandrus, Di Xiao, Wang Yao and Xiaodong Xu | | | Single layers of group-VI transition metal dichalcogenides have emerged as direct bandgap semiconductors in the two-dimensional limit. The authors show that monolayer molybdenum diselenide is an ideal system enabling electrostatic tunability of charging effects in neutral and charged electron-hole pairs, so-called excitons. | | | 12 Feb | Nat Commun 4:1474 doi:10.1038/ncomms2498 (2013) | | | Physical sciences Applied physics | | | Condensed matter Materials science | | Abstract | Full Text | PDF (647 kB) |
Supplementary Information |
| Cytotoxicity of botulinum neurotoxins reveals a direct role of syntaxin 1 and SNAP-25 in neuron survival | | | Lisheng Peng, Huisheng Liu, Hongyu Ruan, William H. Tepp, William H. Stoothoff, Robert H. Brown, Eric A. Johnson, Wei-Dong Yao, Su-Chun Zhang and Min Dong | | | Botulinum toxins can cause substantial neurodegeneration. Peng et al. study cultured rat hippocampal neurons and find that botulinum toxin-induced cytotoxicity occurs only when there is effective cleavage of the SNARE proteins, syntaxin 1 or SNAP-25, by type C and type E botulinum toxins. | | | 12 Feb | Nat Commun 4:1472 doi:10.1038/ncomms2462 (2013) | | | Biological sciences Cell biology | | | Neuroscience | | Abstract | Full Text | PDF (6,606 kB) |
Supplementary Information |
| Organic topological insulators in organometallic lattices | | | Z.F Wang, Zheng Liu and Feng Liu | | | Topological insulators are bulk insulators with conductive boundary states, and until now have been based only on inorganic materials. Wang et al. use first-principles calculations to predict a class of organic topological insulators based on organometallic lattices exhibiting robust topological edge states. | | | 12 Feb | Nat Commun 4:1471 doi:10.1038/ncomms2451 (2013) | | | Physical sciences Materials science | | Abstract | Full Text | PDF (1,102 kB) |
Supplementary Information |
| Persistent high-energy spin excitations in iron-pnictide superconductors | | | Ke-Jin Zhou, Yao-Bo Huang, Claude Monney, Xi Dai, Vladimir N. Strocov, Nan-Lin Wang, Zhi-Guo Chen, Chenglin Zhang, Pengcheng Dai, Luc Patthey, Jeroen van den Brink, Hong Ding and Thorsten Schmitt | | | It is known that the spin-excitation spectrum of the undoped parents of iron-pnictide superconductors contains a pronounced magnon peak, but it is unclear whether this survives doping into the superconducting state. Schmitt et al. report resonant inelastic X-ray scattering spectra that suggest it does. | | | 12 Feb | Nat Commun 4:1470 doi:10.1038/ncomms2428 (2013) | | | Physical sciences Condensed matter | | Abstract | Full Text | PDF (1,117 kB) |
Supplementary Information |
| Si:P as a laboratory analogue for hydrogen on high magnetic field white dwarf stars OPEN | | | B.N. Murdin, Juerong Li, M.L.Y. Pang, E.T. Bowyer, K.L. Litvinenko, S.K. Clowes, H. Engelkamp, C.R. Pidgeon, I. Galbraith, N.V. Abrosimov, H. Riemann, S.G. Pavlov, H-W. Hübers and P.G. Murdin | | | Measuring atomic spectra in high magnetic fields is important for understanding astrophysical objects such as white dwarfs, but laboratory fields are too small to do so. Murdin et al. study the analogous spectra of phosphorous-doped silicon, whose material properties scale the equivalent field to far lower values. | | | 12 Feb | Nat Commun 4:1469 doi:10.1038/ncomms2466 (2013) | | | Physical sciences Astronomy | | | Atomic and molecular physics Materials science | | Abstract | Full Text | PDF (5,658 kB) |
Supplementary Information |
| Femtosecond nonlinear ultrasonics in gold probed with ultrashort surface plasmons OPEN | | | Vasily V. Temnov, Christoph Klieber, Keith A. Nelson, Tim Thomay, Vanessa Knittel, Alfred Leitenstorfer, Denys Makarov, Manfred Albrecht and Rudolf Bratschitsch | | | Measuring acoustic phonons across the Brillouin zone reveals important information on electrical and thermal transport in materials. Temnov et al. generate giant acoustic strain pulses in gold/cobalt bilayers and monitor their nonlinear reshaping in the gold layer with plasmonic interferometry. | | | 12 Feb | Nat Commun 4:1468 doi:10.1038/ncomms2480 (2013) | | | Physical sciences Materials science | | | Nanotechnology | | | Abstract | Full Text | PDF (726 kB) |
| High-throughput hyperdimensional vertebrate phenotyping | | | Carlos Pardo-Martin, Amin Allalou, Jaime Medina, Peter M. Eimon, Carolina Wählby and Mehmet Fatih Yanik | | | Large-scale screening of animal phenotypes requires automated detection and analysis of complex morphological information. Here, Yanik and colleagues present an imaging system based on optical projection tomography that generates micrometre-resolution 3D images of zebrafish larvae with within tens of seconds per animal. | | | 12 Feb | Nat Commun 4:1467 doi:10.1038/ncomms2475 (2013) | | | Biological sciences Medical research | | Abstract | Full Text | PDF (1,602 kB) |
Supplementary Information |
| Solar wind entry into the high-latitude terrestrial magnetosphere during geomagnetically quiet times OPEN | | | Q.Q. Shi, Q.-G. Zong, S.Y. Fu, M.W. Dunlop, Z.Y. Pu, G.K. Parks, Y. Wei, W.H. Li, H. Zhang, M. Nowada, Y.B. Wang, W.J. Sun, T. Xiao, H. Reme, C. Carr, A.N. Fazakerley and E. Lucek | | | A full understanding of the penetration of solar wind plasma into the Earth’s magnetosphere, during geomagnetically quiet times, remains elusive. Using multi-spacecraft data, Shi et al. find unexpected entry of the solar wind into the high-latitude magnetosphere and suggest a probable entry mechanism. | | | 12 Feb | Nat Commun 4:1466 doi:10.1038/ncomms2476 (2013) | | | Earth sciences Atmospheric science | | | Fluids and plasma physics Planetary sciences | | Abstract | Full Text | PDF (1,517 kB) |
Supplementary Information |
| Bacteroides fragilis polysaccharide A is necessary and sufficient for acute activation of intestinal sensory neurons | | | Yu-Kang Mao, Dennis L. Kasper, Bingxian Wang, Paul Forsythe, John Bienenstock and Wolfgang A. Kunze | | | Commensal bacteria in gut lumen are known to interact with the enteric nervous system. Mao and colleagues test the effects of Lactobacillus rhamnosus and Bacteroides fragilis ex vivo, in the myenteric plexus, and find that the polysaccharide A is necessary for intestinal sensory neuron sensitization. | | | 12 Feb | Nat Commun 4:1465 doi:10.1038/ncomms2478 (2013) | | | Biological sciences Microbiology | | | Neuroscience | | Abstract | Full Text | PDF (756 kB) |
Supplementary Information |
| A subset of Drosophila Myc sites remain associated with mitotic chromosomes colocalized with insulator proteins | | | Jingping Yang, Elizabeth Sung, Paul G. Donlin-Asp and Victor G. Corces | | | Myc is a transcription factor present at gene promoters that activates expression of genes involved in pluripotency and cancer. Yang et al. report that Myc is also present at enhancers of Drosophila genes during interphase and colocalizes with insulator proteins in mitosis. | | | 12 Feb | Nat Commun 4:1464 doi:10.1038/ncomms2469 (2013) | | | Biological sciences Molecular biology | | | | Abstract | Full Text | PDF (1,335 kB) |
Supplementary Information |
| Universal current-velocity relation of skyrmion motion in chiral magnets | | | Junichi Iwasaki, Masahito Mochizuki and Naoto Nagaosa | | | Current-induced motion of skyrmions is attracting attention due to its low critical current density, however, its microscopic mechanisms have not been elucidated yet. Using numerical simulations, the authors demonstrate a universal current-velocity relation of skyrmion motion, independent of disorder or nonadiabatic effects. | | | 12 Feb | Nat Commun 4:1463 doi:10.1038/ncomms2442 (2013) | | | Physical sciences Condensed matter | | Abstract | Full Text | PDF (1,541 kB) |
Supplementary Information |
| Evidence for tactical concealment in a wild primate | | | Aliza le Roux, Noah Snyder-Mackler, Eila K. Roberts, Jacinta C. Beehner and Thore J. Bergman | | | Although theory indicates that deception and punishment are successful social strategies, there is little evidence for either in the wild. This study presents the first systematic evidence of tactical deception and punishment of reproductive cheating in a wild primate, the gelada (Theropithecus gelada). | | | 12 Feb | Nat Commun 4:1462 doi:10.1038/ncomms2468 (2013) | | | Biological sciences Ecology | | | Zoology | | | Abstract | Full Text | PDF (339 kB) |
| Ground-state proton transfer in the photoswitching reactions of the fluorescent protein Dronpa | | | Mark M. Warren, Marius Kaucikas, Ann Fitzpatrick, Paul Champion, J. Timothy Sage and Jasper J. van Thor | | | The ‘on’ and ‘off’ states of the photoswitchable protein Dronpa have been characterized, but the interconversion process remains poorly understood. Here the authors perform time-resolved ultrafast infrared measurements to follow both the structural changes and proton transfer events that occur during conversion. | | | 12 Feb | Nat Commun 4:1461 doi:10.1038/ncomms2460 (2013) | | | Chemical sciences Biochemistry | | | Physical chemistry | | Abstract | Full Text | PDF (825 kB) |
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