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|  | | 17 July 2012 | | | Featured image: | |  | | | Guerra et al. show that the integration of timing signals from the antennae of monarch butterflies is necessary for orientation. |
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| | | | | | Latest Articles | View all Articles | | | | | Realizing a robust practical Majorana chain in a quantum-dot-superconductor linear array | | | Jay D. Sau and S. Das Sarma | | | Majorana fermions—the particles renowned for being their own antiparticles—have been proposed as candidates for storing qubits for quantum computers. Sau and Das Sarma propose a method for creating stable Majorana fermions in an array of quantum dots. | | | 17 Jul | Nat Commun 3:964 doi:10.1038/ncomms1966 (2012) | | | Physical sciences Condensed matter | | | Theoretical physics | | Abstract | Full Text | PDF (449 kB) |
Supplementary Information |
| Epidermal phospholipase Cδ1 regulates granulocyte counts and systemic interleukin-17 levels in mice OPEN | | | Kaori Kanemaru, Yoshikazu Nakamura, Kojiro Sato, Ryota Kojima, Saori Takahashi, Mami Yamaguchi, Manabu Ichinohe, Hiroshi Kiyonari, Go Shioi, Kenji Kabashima, Kyoko Nakahigashi, Masataka Asagiri, Colin Jamora, Hideki Yamaguchi and Kiyoko Fukami | | | Phospholipase C is a signalling molecule with many cellular functions, but its physiological role at the organismal level is largely unknown. Kanemaru et al. show that phospholipase Cδ1 in the mouse epidermis influences interleukin and leukocyte concentrations in the blood. | | | 17 Jul | Nat Commun 3:963 doi:10.1038/ncomms1960 (2012) | | | Biological sciences Cell biology | | | Immunology | | | Medical research | | Abstract | Full Text | PDF (1,434 kB) |
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| Accelerated single photon emission from dye molecule-driven nanoantennas assembled on DNA OPEN | | | Mickaël P. Busson, Brice Rolly, Brian Stout, Nicolas Bonod and Sébastien Bidault | | | Downsizing antennas to the nanoscale is a promising way to manipulate light emission from fluorescent sources. Busson et al. used a short DNA strand to position a lone fluorescent molecule between two gold particles with nanometre resolution, achieving enhanced decay rates and single photon emission. | | | 17 Jul | Nat Commun 3:962 doi:10.1038/ncomms1964 (2012) | | | Physical sciences Bioengineering | | | Nanotechnology Optical physics | | | | | Abstract | Full Text | PDF (574 kB) |
| Complete experimental toolbox for alignment-free quantum communication OPEN | | | Vincenzo D'Ambrosio, Eleonora Nagali, Stephen P. Walborn, Leandro Aolita, Sergei Slussarenko, Lorenzo Marrucci and Fabio Sciarrino | | | Quantum communication promises important advances in information and communication technology, yet it suffers from alignment sensitivity. Here, an alignment-free approach is demonstrated using liquid crystal devices, allowing for broader applications, including satellites. | | | 17 Jul | Nat Commun 3:961 doi:10.1038/ncomms1951 (2012) | | | Physical sciences Applied physics | | | Optical physics | | Abstract | Full Text | PDF (753 kB) |
Supplementary Information |
| High-performance and site-directed in utero electroporation by a triple-electrode probe OPEN | | | Marco dal Maschio, Diego Ghezzi, Guillaume Bony, Alessandro Alabastri, Gabriele Deidda, Marco Brondi, Sebastian Sulis Sato, Remo Proietti Zaccaria, Enzo Di Fabrizio, Gian Michele Ratto and Laura Cancedda | | | In utero electroporation allows the labelling of specific populations of neurons in the developing mouse brain. The authors of this paper present a simple modification of this method that increases labelling efficiency and allows, for the first time, transfection of Purkinje cells in the rat cerebellum. | | | 17 Jul | Nat Commun 3:960 doi:10.1038/ncomms1961 (2012) | | | Biological sciences Neuroscience | | Abstract | Full Text | PDF (2,673 kB) |
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| Dynamic spin polarization by orientation-dependent separation in a ferromagnet–semiconductor hybrid OPEN | | | V.L. Korenev, I.A. Akimov, S.V. Zaitsev, V.F. Sapega, L. Langer, D.R. Yakovlev, Yu. A. Danilov and M. Bayer | | | Integration of ferromagnetic and semiconducting elements is important for future devices capable of both processing and storing information. Korenev et al. describe a novel spin-separation effect in a ferromagnet/semiconductor quantum well hybrid and show the optical readout of hysteresis loops. | | | 17 Jul | Nat Commun 3:959 doi:10.1038/ncomms1957 (2012) | | | Physical sciences Condensed matter | | | | Abstract | Full Text | PDF (580 kB) |
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| Discordant timing between antennae disrupts sun compass orientation in migratory monarch butterflies OPEN | | | Patrick A. Guerra, Christine Merlin, Robert J. Gegear and Steven M. Reppert | | | Monarch Butterflies (Danaus plexippus) use their antennae for orientation during their autumnal migration. Guerra and colleagues differentially disrupt clock gene expression in each antenna and find that the individual outputs are integrated and processed to allow precise control of orientation behaviour. | | | 17 Jul | Nat Commun 3:958 doi:10.1038/ncomms1965 (2012) | | | Biological sciences Neuroscience | | | Abstract | Full Text | PDF (526 kB) |
| Tailoring the graphene/silicon carbide interface for monolithic wafer-scale electronics OPEN | | | S. Hertel, D. Waldmann, J. Jobst, A. Albert, M. Albrecht, S. Reshanov, A. Schöner, M. Krieger and H.B. Weber | | | The realization of wafer-scale graphene electronics is envisaged to open up the route to the use of graphene in mainstream electronics. Hertel et al. take a step in this direction by fabricating a transistor with a SiC channel and graphene electrodes, with excellent performance up to megahertz frequencies. | | | 17 Jul | Nat Commun 3:957 doi:10.1038/ncomms1955 (2012) | | | Physical sciences Applied physics | | | Condensed matter | | | Abstract | Full Text | PDF (1,659 kB) |
| Switching of myosin-V motion between the lever-arm swing and Brownian search-and-catch OPEN | | | Keisuke Fujita, Mitsuhiro Iwaki, Atsuko H. Iwane, Lorenzo Marcucci and Toshio Yanagida | | | The motor protein myosin-V transports cargo along actin filaments, but the biophysical mechanisms by which myosin-V generates force are unclear. Here, optical tweezers and a DNA handle are used to study the forces generated by myosin-V: the mechanism of force generation is found to depend on the load applied. | | | 17 Jul | Nat Commun 3:956 doi:10.1038/ncomms1934 (2012) | | | Biological sciences Biophysics | | | | Abstract | Full Text | PDF (2,074 kB) |
Supplementary Information |
| Evidence for charge–vortex duality at the LaAlO3/SrTiO3 interface | | | M.M. Mehta, D.A. Dikin, C.W. Bark, S. Ryu, C.M. Folkman, C.B. Eom and V. Chandrasekhar | | | Vortex–charge duality is a model that has been proposed for describing the superconducting to insulator transition in disordered thin films. Mehta et al. report experimental evidence for this duality in the two-dimensional electron gas that arises in LaAlO3/SrTiO3 heterostructures. | | | 17 Jul | Nat Commun 3:955 doi:10.1038/ncomms1959 (2012) | | | Physical sciences Condensed matter | | | Materials science | | | | Abstract | Full Text | PDF (784 kB) |
Supplementary Information |
| Microporous metal-organic framework with potential for carbon dioxide capture at ambient conditions | | | Shengchang Xiang, Yabing He, Zhangjing Zhang, Hui Wu, Wei Zhou, Rajamani Krishna and Banglin Chen | | | Metal-organic frameworks are promising candidates for capturing and sequestering carbon dioxide. Chen and co-workers report a metal-organic framework that exhibits high uptake of carbon dioxide at ambient conditions, and is a potentially useful adsorbent for post-combustion carbon dioxide capture. | | | 17 Jul | Nat Commun 3:954 doi:10.1038/ncomms1956 (2012) | | | Chemical sciences Inorganic chemistry | | | Materials science Physical chemistry | | Abstract | Full Text | PDF (1,082 kB) |
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| Real-space observation of spin-split molecular orbitals of adsorbed single-molecule magnets | | | Jörg Schwöbel, Yingshuang Fu, Jens Brede, Andrew Dilullo, Germar Hoffmann, Svetlana Klyatskaya, Mario Ruben and Roland Wiesendanger | | | Controlling the behaviour of single molecules on electrode interfaces is crucial for the development of molecular spintronics. This study reports spin-polarized scanning tunnelling microscopy data of the spin-split molecular orbitals of a single-molecule magnet adsorbed on a cobalt surface. | | | 17 Jul | Nat Commun 3:953 doi:10.1038/ncomms1953 (2012) | | | Physical sciences Applied physics | | | Atomic and molecular physics | | | Nanotechnology | | Abstract | Full Text | PDF (548 kB) |
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| Efficient power extraction in surface-emitting semiconductor lasers using graded photonic heterostructures | | | Gangyi Xu, Raffaele Colombelli, Suraj P. Khanna, Ali Belarouci, Xavier Letartre, Lianhe Li, Edmund H. Linfield, A. Giles Davies, Harvey E. Beere and David A. Ritchie | | | Photonic crystal semiconductor lasers normally operate in a non-radiative mode, characterized by reduced losses but also low surface emission. Using graded photonic heterostructures, Xu et al. boost power extraction by forcing laser emission in a mode with higher radiation efficiency. | | | 17 Jul | Nat Commun 3:952 doi:10.1038/ncomms1958 (2012) | | | Physical sciences Applied physics | | | Optical physics | | Abstract | Full Text | PDF (786 kB) |
Supplementary Information |
| Tumour lineage-homing cell-penetrating peptides as anticancer molecular delivery systems | | | Eisaku Kondo, Ken Saito, Yuichi Tashiro, Kaeko Kamide, Shusei Uno, Tomoko Furuya, Masao Mashita, Kiichiro Nakajima, Tomoyuki Tsumuraya, Naoya Kobayashi, Masahiro Nishibori, Mitsune Tanimoto and Masayuki Matsushita | | | Cell-penetrating peptides can be used to deliver nucleic acids and proteins to cells, however they lack selectivity. In this study, cell-penetrating peptides are generated that can selectively target tumour cells of different cellular origins and these may be useful in the treatment of cancer. | | | 17 Jul | Nat Commun 3:951 doi:10.1038/ncomms1952 (2012) | | | Biological sciences Cancer | | | Medical research | | Abstract | Full Text | PDF (1,578 kB) |
Supplementary Information |
| Cis- and trans-regulatory divergence between progenitor species determines gene-expression novelty in Arabidopsis allopolyploids | | | Xiaoli Shi, Danny W-K. Ng, Changqing Zhang, Luca Comai, Wenxue Ye and Z. Jeffrey Chen | | | Gene-expression divergence produces phenotypic diversity, but the molecular basis for this is not clear. Here, a genome-wide study of cis- and trans-regulation in Arabidopsis allopolyploids and their progenitors provides evidence for natural selection and epigenetic regulation during evolution and speciation. | | | 17 Jul | Nat Commun 3:950 doi:10.1038/ncomms1954 (2012) | | | Biological sciences Evolution Genetics | | | Plant sciences | | Abstract | Full Text | PDF (749 kB) |
Supplementary Information |
| Self-assembling subnanometer pores with unusual mass-transport properties | | | Xibin Zhou, Guande Liu, Kazuhiro Yamato, Yi Shen, Ruixian Cheng, Xiaoxi Wei, Wanli Bai, Yi Gao, Hui Li, Yi Liu, Futao Liu, Daniel M. Czajkowsky, Jingfang Wang, Michael J. Dabney, Zhonghou Cai, Jun Hu, Frank V. Bright, Lan He, Xiao Cheng Zeng, Zhifeng Shao and Bing Gong | | | Molecular systems with rigid macrocyclic backbones self-assemble into synthetic nanopores that mimic the mass-transport characteristics of biological channels. Zhou et al. produce self-assembling hydrophobic nanopores that mediate highly selective transmembrane ion transport and highly efficient transmembrane water permeability. | | | 17 Jul | Nat Commun 3:949 doi:10.1038/ncomms1949 (2012) | | | Chemical sciences Nanotechnology Organic chemistry | | Abstract | Full Text | PDF (688 kB) |
Supplementary Information |
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