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| | | 22 January 2013 | | | Featured image: | |  | | | Godefroit et al. discover a new paravian dinosaur that has fewer limb and tail feathers than its sister taxa. | | | | | | |
Advertisement | | | | | | | | Latest Articles | View all Articles | | | | | Reduced plumage and flight ability of a new Jurassic paravian theropod from China | | | Pascal Godefroit, Helena Demuynck, Gareth Dyke, Dongyu Hu, François Escuillié and Philippe Claeys | | | Feathered dinosaurs from the Middle-Late Jurassic of north-eastern China have recently been described. Here, a new paravian dinosaur, characterized by less extensive feathers on its limbs and tail, shows that the plumage of theropods was already diversified and adapted to different ecological niches by the Late Jurassic. | | | 22 Jan | Nat Commun 4:1394 doi:10.1038/ncomms2389 (2013) | | | Biological sciences Evolution | | | Palaeontology | | Abstract | Full Text | PDF (1,655 kB) |
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| MicroRNA-30c inhibits human breast tumour chemotherapy resistance by regulating TWF1 and IL-11 | | | Jessica Bockhorn, Rachel Dalton, Chika Nwachukwu, Simo Huang, Aleix Prat, Kathy Yee, Ya-Fang Chang, Dezheng Huo, Yujia Wen, Kaitlin E. Swanson, Tyler Qiu, Jun Lu, Seo Young Park, M. Eileen Dolan, Charles M. Perou, Olufunmilayo I. Olopade, Michael F. Clarke, Geoffrey L. Greene and Huiping Liu | | | The role of microRNAs in chemotherapy resistance remains to be elucidated. Bockhorn et al. report that microRNA-30c, a human breast tumour prognostic marker, has a key role by targeting the epithelial-to-mesenchymal transition promoter twinfilin 1 and downstream interleukin-11 expression. | | | 22 Jan | Nat Commun 4:1393 doi:10.1038/ncomms2393 (2013) | | | Biological sciences Cancer | | | Cell biology | | Abstract | Full Text | PDF (1,681 kB) |
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| Observation of a large spin-dependent transport length in organic spin valves at room temperature | | | Xianmin Zhang, Shigemi Mizukami, Takahide Kubota, Qinli Ma, Mikihiko Oogane, Hiroshi Naganuma, Yasuo Ando and Terunobu Miyazaki | | | Spin-dependent transport length in organic semiconductors is expected to be large due to their small spin–orbit coupling; however, lengths of only a few nanometres have been observed to date at room temperature. This work reports a large spin diffusion length of 110 nm at room temperature in a spin valve device containing C60 molecules. | | | 22 Jan | Nat Commun 4:1392 doi:10.1038/ncomms2423 (2013) | | | Physical sciences Applied physics | | | Materials science | | Abstract | Full Text | PDF (1,008 kB) |
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| The ghost of nestedness in ecological networks | | | Phillip P. A. Staniczenko, Jason C. Kopp and Stefano Allesina | | | A nested pattern of interactions is thought to promote species persistence in mutualistic ecological networks. In this study, Staniczenko et al. introduce a spectral graph measure of nestedness, to show that nestedness is maximally destabilizing and demonstrate that empirical species preferences are not quantitatively nested. | | | 22 Jan | Nat Commun 4:1391 doi:10.1038/ncomms2422 (2013) | | | Biological sciences Ecology | | | | Abstract | Full Text | PDF (270 kB) |
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| Unraveling quantum pathways using optical 3D Fourier-transform spectroscopy OPEN | | | Hebin Li, Alan D. Bristow, Mark E. Siemens, Galan Moody and Steven T. Cundiff | | | Knowledge of the Hamiltonian of a quantum system is essential for predicting and controlling its behaviour. Li et al. use optical three-dimensional Fourier-transform spectroscopy to separate and study each pathway, gaining quantitative insight into the quantum pathways of an atomic vapour Hamiltonian. | | | 22 Jan | Nat Commun 4:1390 doi:10.1038/ncomms2405 (2013) | | | Physical sciences Atomic and molecular physics | | | Optical physics | | Abstract | Full Text | PDF (1,211 kB) |
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| Globally homochiral assembly of two-dimensional molecular networks triggered by co-absorbers OPEN | | | Ting Chen, Wen-Hong Yang, Dong Wang and Li-Jun Wan | | | The construction of homochiral surfaces may play a significant role in applications including heterogeneous catalysis and bio-sensors. Here, globally homochiral two-dimensional assemblies of achiral molecules are formed via co-assembly with chiral co-adsorbers, demonstrating a 'majority rules' effect. | | | 22 Jan | Nat Commun 4:1389 doi:10.1038/ncomms2403 (2013) | | | Chemical sciences Nanotechnology | | | Physical chemistry | | Abstract | Full Text | PDF (3,283 kB) |
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| High heat flow and ocean acidification at a nascent rift in the northern Gulf of California OPEN | | | Rosa Ma Prol-Ledesma, Marco-Antonio Torres-Vera, Riccardo Rodolfo-Metalpa, Catalina Ángeles, Carlos H. Lechuga Deveze, Ruth Esther Villanueva-Estrada, Evgueni Shumilin and Carlos Robinson | | | Active seafloor spreading has been documented in some of the tectonically active basins of the Gulf of California. This work presents new geophysical and geochemical data as evidence that active seafloor spreading is also occurring in the northernmost Wagner and Consag basins of the Gulf. | | | 22 Jan | Nat Commun 4:1388 doi:10.1038/ncomms2390 (2013) | | | Earth sciences Geology and geophysics | | | Oceanography | | | | Abstract | Full Text | PDF (833 kB) |
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| Evolution of the protein stoichiometry in the L12 stalk of bacterial and organellar ribosomes | | | Iakov I. Davydov, Ingo Wohlgemuth, Irena I. Artamonova, Henning Urlaub, Alexander G. Tonevitsky and Marina V. Rodnina | | | The ribosomal stalk L12 is the only multi-copy protein in the ribosome and is essential for translation. Here Davydov et al. use a bioinformatics and mass spectrometry approach to study the evolution of L12 in bacterial ribosomes and predict its stoichiometry in a wide range of species. | | | 22 Jan | Nat Commun 4:1387 doi:10.1038/ncomms2373 (2013) | | | Biological sciences Biophysics | | | Evolution | | Abstract | Full Text | PDF (1,084 kB) |
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| Spatial organization of frequency preference and selectivity in the human inferior colliculus | | | Federico De Martino, Michelle Moerel, Pierre-Francois van de Moortele, Kamil Ugurbil, Rainer Goebel, Essa Yacoub and Elia Formisano | | | Studies in animals have shown that the inferior colliculus of the auditory pathway is tonotopically organized. This fMRI study in humans reveals a low-to-high frequency gradient in the inferior colliculus that is tonotopically oriented, as well as spectral selectivity based on responses to natural sounds. | | | 22 Jan | Nat Commun 4:1386 doi:10.1038/ncomms2379 (2013) | | | Biological sciences Biophysics | | | Neuroscience | | Abstract | Full Text | PDF (2,446 kB) |
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| The oldest echinoderm faunas from Gondwana show that echinoderm body plan diversification was rapid | | | Andrew B. Smith, Samuel Zamora and J. Javier Álvaro | | | The oldest echinoderm faunas have previously been restricted to North America and had a radiate body plan. This discovery of echinoderms from Morocco reveals a diverse range of body forms just 15 million years after echinoderms first evolved a calcite skeleton, showing a rapid rate of morphological evolution. | | | 22 Jan | Nat Commun 4:1385 doi:10.1038/ncomms2391 (2013) | | | Biological sciences Evolution | | | Palaeontology | | | Abstract | Full Text | PDF (2,040 kB) |
| Creation of helical Dirac fermions by interfacing two gapped systems of ordinary fermions | | | Z. F. Wang, Meng-Yu Yao, Wenmei Ming, Lin Miao, Fengfeng Zhu, Canhua Liu, C. L. Gao, Dong Qian, Jin-Feng Jia and Feng Liu | | | Helical Dirac fermion states that emerge at the surface of topological insulators support a variety of exotic physical phenomena, but they disappear when a topological insulator becomes too thin. Wang et al. show that these states are recovered when ultrathin films are interfaced together. | | | 22 Jan | Nat Commun 4:1384 doi:10.1038/ncomms2387 (2013) | | | Physical sciences Condensed matter | | | Materials science Nanotechnology | | Abstract | Full Text | PDF (1,150 kB) |
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| Environmental conditions and community evenness determine the outcome of biological invasion | | | Karen De Roy, Massimo Marzorati, Andrea Negroni, Olivier Thas, Annalisa Balloi, Fabio Fava, Willy Verstraete, Daniele Daffonchio and Nico Boon | | | Biological invasion varies under different environmental stressors. Here, using a fully controlled system of bacterial communities, De Roy et al. find that community evenness affects the level of invasion, and that the community’s response depends on specific environmental conditions as well as the community evenness. | | | 22 Jan | Nat Commun 4:1383 doi:10.1038/ncomms2392 (2013) | | | Biological sciences Ecology | | | Microbiology | | Abstract | Full Text | PDF (980 kB) |
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| Analysis of protein-coding mutations in hiPSCs and their possible role during somatic cell reprogramming | | | Sergio Ruiz, Athurva Gore, Zhe Li, Athanasia D. Panopoulos, Nuria Montserrat, Ho-Lim Fung, Alessandra Giorgetti, Josipa Bilic, Erika M. Batchelder, Holm Zaehres, Hans R. Schöler, Kun Zhang and Juan Carlos Izpisua Belmonte | | | Recent studies have shown that human induced pluripotent stem cells contain point mutations in coding regions, but the functional significance of these mutations is unclear. Here the authors provide evidence that these mutations are unlikely to confer a selective advantage for reprogramming. | | | 22 Jan | Nat Commun 4:1382 doi:10.1038/ncomms2381 (2013) | | | Biological sciences Developmental biology | | | | Abstract | Full Text | PDF (634 kB) |
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| Gender identification of the Mesozoic bird Confuciusornis sanctus | | | Anusuya Chinsamy, Luis M. Chiappe, Jesús Marugán-Lobón, Gao Chunling and Zhang Fengjiao | | | Specimens of the Early Cretaceous bird C. sanctus with ornamental tail feathers are commonly interpreted as male, and those without as female. In this study, in support of this theory, medullary bone—a tissue unique to reproductively active female birds—is found in a specimen without ornamental feathers. | | | 22 Jan | Nat Commun 4:1381 doi:10.1038/ncomms2377 (2013) | | | Biological sciences Evolution | | | Palaeontology | | | Zoology | | | Abstract | Full Text | PDF (1,925 kB) |
| Non-uniform membrane diffusion enables steady-state cell polarization via vesicular trafficking | | | Brian D. Slaughter, Jay R. Unruh, Arupratan Das, Sarah E. Smith, Boris Rubinstein and Rong Li | | | The mechanism by which proteins become polarized to a specific cortical site in budding yeast cells has been a topic of recent debate. Slaughter et al. show that differing diffusion rates of Cdc42 within plasma membrane environments sustain the polarized state. | | | 22 Jan | Nat Commun 4:1380 doi:10.1038/ncomms2370 (2013) | | | Biological sciences Biophysics | | | Cell biology | | Abstract | Full Text | PDF (904 kB) |
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| Catalytic subsurface etching of nanoscale channels in graphite | | | Maya Lukas, Velimir Meded, Aravind Vijayaraghavan, Li Song, Pulickel M. Ajayan, Karin Fink, Wolfgang Wenzel and Ralph Krupke | | | Metallic particles are known to etch the surface layers of graphite by catalytic hydrogenation. Here, the authors report the sub-surface etching of graphite by Ni nanoparticles, revealing the formation of networks of tunnels, which are observed microscopically and could be modified for various applications. | | | 22 Jan | Nat Commun 4:1379 doi:10.1038/ncomms2399 (2013) | | | Chemical sciences Inorganic chemistry | | | Materials science Nanotechnology | | Abstract | Full Text | PDF (2,281 kB) |
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| Strain-controlled magnetic domain wall propagation in hybrid piezoelectric/ferromagnetic structures OPEN | | | Na Lei, Thibaut Devolder, Guillaume Agnus, Pascal Aubert, Laurent Daniel, Joo-Von Kim, Weisheng Zhao, Theodossis Trypiniotis, Russell P. Cowburn, Claude Chappert, Dafiné Ravelosona and Philippe Lecoeur | | | The use of electric fields to control the magnetization of ferromagnetic materials could enable more efficient electronics. Lei et al. show that by applying lateral strain to a magnetostrictive nanowire with a piezoelectric, voltage-controlled gating of magnetic domain wall motion in the wire can be achieved. | | | 22 Jan | Nat Commun 4:1378 doi:10.1038/ncomms2386 (2013) | | | Physical sciences Materials science | | | Nanotechnology | | Abstract | Full Text | PDF (1,158 kB) |
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| Removal of stacking-fault tetrahedra by twin boundaries in nanotwinned metals | | | K. Y. Yu, D. Bufford, C. Sun, Y. Liu, H. Wang, M. A. Kirk, M. Li and X. Zhang | | | The bombardment of structural metals in nuclear reactors by high-energy particles causes them to develop defects, such as stacking-fault tetrahedra defects, that are difficult to cure. Yu et al. find that in nanotwinned silver such defects can be removed at room temperature by the propagation of mobile twin boundaries. | | | 22 Jan | Nat Commun 4:1377 doi:10.1038/ncomms2382 (2013) | | | Physical sciences Condensed matter | | | Materials science | | Abstract | Full Text | PDF (1,573 kB) |
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| On-demand optogenetic control of spontaneous seizures in temporal lobe epilepsy OPEN | | | Esther Krook-Magnuson, Caren Armstrong, Mikko Oijala and Ivan Soltesz | | | Temporal lobe epilepsy in adults does not always respond to treatment. Krook-Magnuson and colleagues use optogenetics to inhibit and activate excitatory and inhibitory neurons, respectively, in a mouse model of temporal lobe epilepsy, and find that they can stop seizures on a moment-to-moment basis. | | | 22 Jan | Nat Commun 4:1376 doi:10.1038/ncomms2376 (2013) | | | Biological sciences Medical research | | | Neuroscience | | Abstract | Full Text | PDF (2,714 kB) |
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| Quantum-coupled radial-breathing oscillations in double-walled carbon nanotubes | | | Kaihui Liu, Xiaoping Hong, Muhong Wu, Fajun Xiao, Wenlong Wang, Xuedong Bai, Joel W. Ager, Shaul Aloni, Alex Zettl, Enge Wang and Feng Wang | | | Double-walled carbon nanotubes are a convenient system for studying quantum mechanical interactions in distinct but coupled nanostructures. Liu et al. characterize the coupling between radial-breathing mode oscillations of inner and outer walls of many double-walled nanotubes of different diameter and chirality. | | | 22 Jan | Nat Commun 4:1375 doi:10.1038/ncomms2367 (2013) | | | Physical sciences Nanotechnology | | Abstract | Full Text | PDF (533 kB) |
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| Controllable unzipping for intramolecular junctions of graphene nanoribbons and single-walled carbon nanotubes | | | Dacheng Wei, Lanfei Xie, Kian Keat Lee, Zhibin Hu, Shihua Tan, Wei Chen, Chorng Haur Sow, Keqiu Chen, Yunqi Liu and Andrew Thye Shen Wee | | | The formation of junctions between graphene and other materials could aid the development of nanoelectronics. We et al. partially unzip single-walled carbon nanotubes to produce graphene/nanotube junctions that show gate-dependent rectifying behaviour. | | | 22 Jan | Nat Commun 4:1374 doi:10.1038/ncomms2366 (2013) | | | Chemical sciences Nanotechnology | | | Physical chemistry | | Abstract | Full Text | PDF (2,842 kB) |
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| Dimensionality of brain networks linked to life-long individual differences in self-control | | | Marc G. Berman, Grigori Yourganov, Mary K. Askren, Ozlem Ayduk, B. J. Casey, Ian H. Gotlib, Ethan Kross, Anthony R. McIntosh, Stephen Strother, Nicole L. Wilson, Vivian Zayas, Walter Mischel, Yuichi Shoda and John Jonides | | | The ability to delay gratification in childhood correlates with the ability to exert self-control in adulthood. Berman and colleagues re-examine individuals that were studied 40 years ago and find that the individuals who are able to exert a high level of self-control have more efficient neural networks. | | | 22 Jan | Nat Commun 4:1373 doi:10.1038/ncomms2374 (2013) | | | Biological sciences Neuroscience | | Abstract | Full Text | PDF (1,108 kB) |
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| A genetically female brain is required for a regular reproductive cycle in chicken brain chimeras | | | Fumihiko Maekawa, Miyano Sakurai, Yuki Yamashita, Kohichi Tanaka, Shogo Haraguchi, Kazutoshi Yamamoto, Kazuyoshi Tsutsui, Hidefumi Yoshioka, Shizuko Murakami, Ryo Tadano, Tatsuhiko Goto, Jun-ichi Shiraishi, Kohei Tomonari, Takao Oka, Ken Ohara, Teruo Maeda, Takashi Bungo, Masaoki Tsudzuki and Hiroko Ohki-Hamazaki | | | Sexual dimorphism describes physical differences between males and females of the same species and is partly shaped by the action of hormones. Maekawa and colleagues construct mixed-sex chicken brain chimeras and find that the female reproductive cycle is largely destroyed in female chimeras with male brains. | | | 22 Jan | Nat Commun 4:1372 doi:10.1038/ncomms2372 (2013) | | | Biological sciences Neuroscience | | Abstract | Full Text | PDF (1,056 kB) |
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| A high-mobility two-dimensional electron gas at the spinel/perovskite interface of γ-Al2O3/SrTiO3 | | | Y. Z. Chen, N. Bovet, F. Trier, D. V. Christensen, F. M. Qu, N. H. Andersen, T. Kasama, W. Zhang, R. Giraud, J. Dufouleur, T. S. Jespersen, J. R. Sun, A. Smith, J. Nygård, L. Lu, B. Büchner, B. G. Shen, S. Linderoth and N. Pryds | | | Highly mobile electrons at the interface of two perovskite oxides are of considerable interest for electronic applications. In this work, the discovery of such an electron gas at the interface of a spinel and a perovskite oxide represents a new approach to look for oxide systems with enhanced properties. | | | 22 Jan | Nat Commun 4:1371 doi:10.1038/ncomms2394 (2013) | | | Physical sciences Applied physics | | | Condensed matter Materials science Nanotechnology | | Abstract | Full Text | PDF (813 kB) |
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| A pairwise maximum entropy model accurately describes resting-state human brain networks | | | Takamitsu Watanabe, Satoshi Hirose, Hiroyuki Wada, Yoshio Imai, Toru Machida, Ichiro Shirouzu, Seiki Konishi, Yasushi Miyashita and Naoki Masuda | | | During rest, the different regions of the human brain still carry out complex interactions. In this study, a pairwise maximum entropy model is used to quantify the complexity of these interactions during rest, showing that the model is able to capture the structure of the resting-state human brain networks. | | | 22 Jan | Nat Commun 4:1370 doi:10.1038/ncomms2388 (2013) | | | Biological sciences Neuroscience | | Abstract | Full Text | PDF (1,145 kB) |
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| The mechanism of ultrafast structural switching in superionic copper (I) sulphide nanocrystals | | | T. A. Miller, J. S. Wittenberg, H. Wen, S. Connor, Y. Cui and A. M. Lindenberg | | | Superionic materials have rigid crystal structures but liquid-like ionic conductivity above a critical temperature, which may be useful for switching and storage applications. Using ultrafast X-ray probes, Miller et al. show that the superionic transition timescale is determined by the ionic hopping time. | | | 22 Jan | Nat Commun 4:1369 doi:10.1038/ncomms2385 (2013) | | | Physical sciences Condensed matter | | | Materials science | | Abstract | Full Text | PDF (501 kB) |
Supplementary Information |
| The random mass Dirac model and long-range correlations on an integrated optical platform | | | Robert Keil, Julia M. Zeuner, Felix Dreisow, Matthias Heinrich, Andreas Tünnermann, Stefan Nolte and Alexander Szameit | | | Photonic lattices provide a useful platform for simulating quantum dynamics and systems. Keil et al. fabricate coupled waveguides on-chip and use them to simulate the one-dimensional random mass Dirac model, a test-bed for both Dirac fermions and antiferromagnetic spin systems. | | | 22 Jan | Nat Commun 4:1368 doi:10.1038/ncomms2384 (2013) | | | Physical sciences Applied physics | | | Condensed matter Optical physics | | | Abstract | Full Text | PDF (617 kB) |
| Monitoring and robust induction of nephrogenic intermediate mesoderm from human pluripotent stem cells | | | Shin-Ichi Mae, Akemi Shono, Fumihiko Shiota, Tetsuhiko Yasuno, Masatoshi Kajiwara, Nanaka Gotoda-Nishimura, Sayaka Arai, Aiko Sato-Otubo, Taro Toyoda, Kazutoshi Takahashi, Naoki Nakayama, Chad A. Cowan, Takashi Aoi, Seishi Ogawa, Andrew P. McMahon, Shinya Yamanaka and Kenji Osafune | | | Stem cells have raised hopes of developing regenerative therapies of renal disease. Here, Osafune et al. provide a protocol for the differentiation of induced human pluripotent stem cells into renal lineages with the capacity to form tubular renal structures in mice. | | | 22 Jan | Nat Commun 4:1367 doi:10.1038/ncomms2378 (2013) | | | Biological sciences Biotechnology | | | Cell biology | | Abstract | Full Text | PDF (2,397 kB) |
Supplementary Information |
| A novel pathway for the production of hydrogen sulfide from D-cysteine in mammalian cells | | | Norihiro Shibuya, Shin Koike, Makiko Tanaka, Mari Ishigami-Yuasa, Yuka Kimura, Yuki Ogasawara, Kiyoshi Fukui, Noriyuki Nagahara and Hideo Kimura | | | Hydrogen sulphide is a signalling molecule with cytoprotective activity in mammals. Here, Kimura and colleagues identify a new biosynthetic pathway for the production of hydrogen sulphide from D-cysteine, which is shown to protect mouse kidneys from oxidative stress after ischaemia/reperfusion injury. | | | 22 Jan | Nat Commun 4:1366 doi:10.1038/ncomms2371 (2013) | | | Biological sciences Biochemistry | | | Medical research | | Abstract | Full Text | PDF (703 kB) |
Supplementary Information |
| Visualizing the atomic-scale electronic structure of the Ca2CuO2Cl2 Mott insulator | | | Cun Ye, Peng Cai, Runze Yu, Xiaodong Zhou, Wei Ruan, Qingqing Liu, Changqing Jin and Yayu Wang | | | Understanding high temperature superconductivity in the cuprates is one of the hardest problems in physics to date. Wang et al. use state-of-the-art scanning tunnelling spectroscopy to visualize the atomic-scale electronic structure of the Mott insulator phase from which this elusive state emerges. | | | 22 Jan | Nat Commun 4:1365 doi:10.1038/ncomms2369 (2013) | | | Physical sciences Condensed matter | | Abstract | Full Text | PDF (1,262 kB) |
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