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|  | | 23 October 2012 | | | Featured image: | |  | | | Wang et al. study the instability of liquid drops in solids under the application of electric fields. | | | | | | |
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WEB FOCUS: CANCER METABOLISM
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www.nature.com/focus/cancermetabolism | | | | | | | Latest Articles | View all Articles | | | | | Implementation of micro-ball nanodiamond anvils for high-pressure studies above 6 Mbar OPEN | | | Leonid Dubrovinsky, Natalia Dubrovinskaia, Vitali B Prakapenka and Artem M Abakumov | | | The study of materials at high pressure has been limited by the conditions achievable using single-crystal diamond anvils. The use of anvils that incorporate a second stage consisting of two hemispherical nanocrystalline diamond micro-balls, extends the range of static pressures that can be generated in the lab. | | | 23 Oct | Nat Commun 3:1163 doi:10.1038/ncomms2160 (2012) | | | Physical sciences Condensed matter | | | Materials science | | Abstract | Full Text | PDF (681 kB) |
Supplementary Information |
| The earliest known stem-tetrapod from the Lower Devonian of China | | | Jing Lu, Min Zhu, John A. Long, Wenjin Zhao, Tim J. Senden, Liantao Jia and Tuo Qiao | | | Our understanding of the evolutionary sequence of tetrapod characters is hindered by a limited fossil record of primitive finned tetrapods. This study reports a new stem-tetrapod from ~409 million years ago, which displays morphological features shared by tetrapods and lungfishes, and extends the earliest record of tetrapods by ~10 million years. | | | 23 Oct | Nat Commun 3:1160 doi:10.1038/ncomms2170 (2012) | | | Biological sciences Evolution | | | Palaeontology Zoology | | Abstract | Full Text | PDF (3,153 kB) |
Supplementary Information |
| Emergent quantum confinement at topological insulator surfaces | | | M.S. Bahramy, P.D.C. King, A de la Torre, J. Chang, M. Shi, L. Patthey, G. Balakrishnan, Ph. Hofmann, R. Arita, N. Nagaosa and F. Baumberger | | | The surface electronic structure of bismuth-chalchogenide topological insulators interfaced to air or other materials has complex features not predicted by theory. Bahramy et al. propose a model explaining the origin of these electronic states, and uncover their rich spin texture by circular dichroism experiments. | | | 23 Oct | Nat Commun 3:1159 doi:10.1038/ncomms2162 (2012) | | | Physical sciences Condensed matter | | | Materials science | | | | Abstract | Full Text | PDF (1,470 kB) |
Supplementary Information |
| Ripple-modulated electronic structure of a 3D topological insulator | | | Yoshinori Okada, Wenwen Zhou, D. Walkup, Chetan Dhital, Stephen D. Wilson and V. Madhavan | | | The formation of structural ripples has been shown to control the local electronic properties in graphene. Okada et al. use scanning tunnelling microscopy to study the effects of ripples in Bi2Te3 topological insulators, and find that buckling modulates the Dirac surface-state dispersion. | | | 23 Oct | Nat Commun 3:1158 doi:10.1038/ncomms2150 (2012) | | | Physical sciences Condensed matter | | | Materials science | | Abstract | Full Text | PDF (1,200 kB) |
Supplementary Information |
| Bursting drops in solid dielectrics caused by high voltages | | | Qiming Wang, Zhigang Suo and Xuanhe Zhao | | | Bursting of electrified drops is a fundamental physical process and important for diverse technical applications. Wang et al. find that bursting of electrified drops in polymers is sensitive to the shape of the drops, which in turn is determined by the polymer's elasticity | | | 23 Oct | Nat Commun 3:1157 doi:10.1038/ncomms2178 (2012) | | | Physical sciences Fluids and plasma physics | | Abstract | Full Text | PDF (1,022 kB) |
Supplementary Information |
| The simple fly larval visual system can process complex images | | | Elizabeth Daubert Justice, Nicholas James Macedonia, Catherine Hamilton and Barry Condron | | | The Bolwig's organ of Drosophila larvae consists of 12 photoreceptors and is assumed to have very limited image-resolving properties. Justice and colleagues report that these larvae can recognize the motion of other larvae and that this can be replicated using a computer screen displaying images of larvae. | | | 23 Oct | Nat Commun 3:1156 doi:10.1038/ncomms2174 (2012) | | | Biological sciences Neuroscience | | Abstract | Full Text | PDF (624 kB) |
Supplementary Information |
| Imaging the post-fusion release and capture of a vesicle membrane protein | | | Kem A. Sochacki, Ben T. Larson, Deepali C. Sengupta, Mathew P. Daniels, Gleb Shtengel, Harald F. Hess and Justin W. Taraska | | | Rapid synaptic transmission requires efficient recycling of synaptic vesicle membrane proteins. Sochacki et al. use live cell, electron and super-resolution microscopy to visualize exocytosis of vesicular transporters and their rapid recapture in clathrin-rich microdomains in the plasma membrane. | | | 23 Oct | Nat Commun 3:1154 doi:10.1038/ncomms2158 (2012) | | | Biological sciences Biophysics | | | Cell biology Neuroscience | | Abstract | Full Text | PDF (1,600 kB) |
Supplementary Information |
| Tyrosine sulfation in a Gram-negative bacterium | | | Sang-Wook Han, Sang-Won Lee, Ofir Bahar, Benjamin Schwessinger, Michelle R. Robinson, Jared B. Shaw, James A. Madsen, Jennifer S. Brodbelt and Pamela C. Ronald | | | The sulfation of protein tyrosine residues is a common post-translational modification in eukaryotes. Here, Han et al. show that the protein RaxST, produced by a plant bacterium, has tyrosine sulfotransferase activity, demonstrating for the first time tyrosine sulfation in prokaryotes. | | | 23 Oct | Nat Commun 3:1153 doi:10.1038/ncomms2157 (2012) | | | Biological sciences Biochemistry | | | Microbiology | | Abstract | Full Text | PDF (241 kB) |
Supplementary Information |
| Widespread impact of horizontal gene transfer on plant colonization of land OPEN | | | Jipei Yue, Xiangyang Hu, Hang Sun, Yongping Yang and Jinling Huang | | | Although horizontal gene transfer is prevalent in microorganisms, such sharing of genetic information is thought to be rare in land plants. Focusing on the sequenced moss species, Physcomitrella patens, these authors report genes acquired from microorganisms, which might have facilitated early evolution of land plants. | | | 23 Oct | Nat Commun 3:1152 doi:10.1038/ncomms2148 (2012) | | | Biological sciences Evolution | | | Genetics Plant sciences | | Abstract | Full Text | PDF (502 kB) |
Supplementary Information |
| Active control of electromagnetically induced transparency analogue in terahertz metamaterials | | | Jianqiang Gu, Ranjan Singh, Xiaojun Liu, Xueqian Zhang, Yingfang Ma, Shuang Zhang, Stefan A. Maier, Zhen Tian, Abul K. Azad, Hou-Tong Chen, Antoinette J. Taylor, Jiaguang Han and Weili Zhang | | | Metamaterial analogues of electromagnetically-induced transparency provide interesting optical components and applications. By actively tuning the dark mode of a metamaterial, Gu et al. optically control its electromagnetically-induced transparency, showing tunable group delay of terahertz light. | | | 23 Oct | Nat Commun 3:1151 doi:10.1038/ncomms2153 (2012) | | | Physical sciences Optical physics | | | Abstract | Full Text | PDF (661 kB) |
| The convergent evolution of defensive polyacetylenic fatty acid biosynthesis genes in soldier beetles | | | Victoria S. Haritos, Irene Horne, Katherine Damcevski, Karen Glover, Nerida Gibb, Shoko Okada and Mats Hamberg | | | Soldier beetles use a polyacetylenic fatty acid to repel avian predators and protect their eggs. Haritos et al. find that three genes in soldier beetles convert oleic acid to a precursor of 8Z-dihydromatricaria acid—the first eukaryotic genes reported to produce conjugated polyacetylenic fatty acids. | | | 23 Oct | Nat Commun 3:1150 doi:10.1038/ncomms2147 (2012) | | | Biological sciences Biochemistry | | | Evolution | | Abstract | Full Text | PDF (436 kB) |
Supplementary Information |
| A high-rate and long cycle life aqueous electrolyte battery for grid-scale energy storage | | | Mauro Pasta, Colin D. Wessells, Robert A. Huggins and Yi Cui | | | The integration of volatile renewable energy sources into the electrical power grid will require a significant increase in electrical storage capacity. Here a new type of safe, fast, inexpensive and long-life aqueous electrolyte battery is reported, which may aid the development of increased grid capacity. | | | 23 Oct | Nat Commun 3:1149 doi:10.1038/ncomms2139 (2012) | | | Chemical sciences Physical chemistry | | | Abstract | Full Text | PDF (878 kB) |
| Engineering RNA endonucleases with customized sequence specificities | | | Rajarshi Choudhury, Yihsuan S. Tsai, Daniel Dominguez, Yang Wang and Zefeng Wang | | | Sequence-specific DNA endonucleases have found numerous applications in biology, but similar manipulations of RNA have been limited by the lack of suitable enzymes. These authors combine a cleavage domain with a designable binding domain and demonstrate the resulting RNA endonuclease's utility in vitro and in cells. | | | 23 Oct | Nat Commun 3:1147 doi:10.1038/ncomms2154 (2012) | | | Biological sciences Molecular biology | | | | Abstract | Full Text | PDF (811 kB) |
Supplementary Information |
| CaV1.3-selective L-type calcium channel antagonists as potential new therapeutics for Parkinson's disease | | | Soosung Kang, Garry Cooper, Sara F. Dunne, Brendon Dusel, Chi-Hao Luan, D. James Surmeier and Richard B. Silverman | | | L-type calcium channels comprising the CaV1.3 subunit have been linked to the generation of mitochondrial oxidant stress in Parkinson's disease. Kang et al. identify pyrimidine-2,4,6-triones as a potential molecular scaffold, which they modify to develop a potent and highly selective CaV1.3 antagonist. | | | 23 Oct | Nat Commun 3:1146 doi:10.1038/ncomms2149 (2012) | | | Chemical sciences Chemical biology | | | Medicinal chemistry Neuroscience Organic chemistry | | Abstract | Full Text | PDF (665 kB) |
Supplementary Information |
| Evolution of the human-specific microRNA miR-941 OPEN | | | Hai Yang Hu, Liu He, Kseniya Fominykh, Zheng Yan, Song Guo, Xiaoyu Zhang, Martin S. Taylor, Lin Tang, Jie Li, Jianmei Liu, Wen Wang, Haijing Yu and Philipp Khaitovich | | | miRNAs simultaneously regulate a range of genes, making them potential master players in evolution. Hu et al. identify a human-specific miRNA called miR-941, whose copy number remains polymorphic in modern humans, and show that miR-941 is expressed in the brain and could regulate important signalling pathways. | | | 23 Oct | Nat Commun 3:1145 doi:10.1038/ncomms2146 (2012) | | | Biological sciences Evolution | | | Molecular biology | | Abstract | Full Text | PDF (3,421 kB) |
Supplementary Information |
| Spatial control of defect creation in graphene at the nanoscale | | | Alex W. Robertson, Christopher S. Allen, Yimin A. Wu, Kuang He, Jaco Olivier, Jan Neethling, Angus I. Kirkland and Jamie H. Warner | | | Intentional defect creation in graphene is key to engineering its electrical, chemical, magnetic and mechanical properties. Robertson et al. create defects by electron beam irradiation with sub-knock-on damage threshold, and show control over the defect position at the nanoscale and over the defect complexity. | | | 23 Oct | Nat Commun 3:1144 doi:10.1038/ncomms2141 (2012) | | | Physical sciences Materials science | | | Nanotechnology | | Abstract | Full Text | PDF (1,090 kB) |
Supplementary Information |
| Similarities between protein folding and granular jamming OPEN | | | Prasanth P Jose and Ioan Andricioaei | | | Granular matter is rigid when jammed, and flows under external loads. Here temperature- and force-unfolding molecular dynamics stimulations are used to demonstrate that proteins display features of jamming, characterized by a force distribution peak on folding and a slowdown of stress relaxation. | | | 23 Oct | Nat Commun 3:1161 doi:10.1038/ncomms2177 (2012) | | | Biological sciences Biophysics | | | | Abstract | Full Text | PDF (774 kB) |
Supplementary Information | | | | | | | | | Latest Erratum | View all Errata | | | | | Erratum: Mouse and human strategies identify PTPN14 as a modifier of angiogenesis and hereditary haemorrhagic telangiectasia | | | Michael Benzinou, Frederic F. Clermont, Tom G W. Letteboer, Jai-hyun Kim, Silvia Espejel, Kelly A. Harradine, Juan Arbelaez, Minh Thu Luu, Ritu Roy, David Quigley, Mamie Nakayama Higgins, Musa Zaid, Bradley E. Aouizerat, Johannes Kristian Ploos van Amstel, Sophie Giraud, Sophie Dupuis-Girod, Gaetan Lesca, Henri Plauchu, Christopher C W. Hughes, Cornelius J.J. Westermann and Rosemary J. Akhurst | | | | | 23 Oct | Nat Commun 3:1148 doi:10.1038/ncomms2164 (2012) | | | Biological sciences Cell biology | | | Molecular biology Genetics | | | Medical research | | | Full Text | PDF (86 kB) | | | | | | | | | | | | | | | Natureevents is a fully searchable, multi-disciplinary database designed to maximise exposure for events organisers. The contents of the Natureevents Directory are now live. The digital version is available here.
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