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| | | 03 April 2013 | | | Featured image: | |  | | | Peisker et al. show that a ladybird's tarsal setae achieve optimal surface attachment through a gradient in material composition. | | | | | | |
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Click here for more information or to register for this conference today!  | | | | | | | Latest Articles | View all Articles | | | | | Evidence for a material gradient in the adhesive tarsal setae of the ladybird beetle Coccinella septempunctata | | | Henrik Peisker, Jan Michels and Stanislav N. Gorb | | | Many insects cling to surfaces by means of specific bristles on the tips of their legs. Peisker et al. show that in the beetle Coccinella septempunctata the composition and stiffness of these bristles vary dramatically along their length, likely allowing for a better grip to uneven surfaces. | | | 03 Apr | Nat Commun 4:1661 doi:10.1038/ncomms2576 (2013) | | | Biological sciences Physical sciences | | | Biophysics Materials science | | | Abstract | Full Text | PDF (1,622 kB) |
| Klf5 controls bone marrow homing of stem cells and progenitors through Rab5-mediated β1/β2-integrin trafficking | | | E. Taniguchi Ishikawa, K. H. Chang, R. Nayak, H. A. Olsson, A. M. Ficker, S. K. Dunn, M. N. Madhu, A. Sengupta, J. A. Whitsett, H. L. Grimes and J. A. Cancelas | | | Klf5 is a transcription factor that regulates self-renewal of pluripotent stem cells. Here the authors test the function of Klf5 in somatic stem cells, and discover that it controls stem cell homing and adhesion by regulating endocytosis of beta integrins. | | | 03 Apr | Nat Commun 4:1660 doi:10.1038/ncomms2645 (2013) | | | Biological sciences Cell biology | | | Immunology | | Abstract | Full Text | PDF (839 kB) |
Supplementary Information |
| Regulation of protein glycosylation and sorting by the Golgi matrix proteins GRASP55/65 | | | Yi Xiang, Xiaoyan Zhang, David B. Nix, Toshihiko Katoh, Kazuhiro Aoki, Michael Tiemeyer and Yanzhuang Wang | | | GRASP proteins are thought to play a role in maintaining the stacked structure of the Golgi complex. Xiang et al. discover that depletion of GRASPs accelerates Golgi traffic, but reduces the complexity of Golgi protein glycosylation. | | | 03 Apr | Nat Commun 4:1659 doi:10.1038/ncomms2669 (2013) | | | Biological sciences Cell biology | | Abstract | Full Text | PDF (3,330 kB) |
Supplementary Information |
| Ets2-dependent trophoblast signalling is required for gastrulation progression after primitive streak initiation | | | Christiana Polydorou and Pantelis Georgiades | | | The transcription factor Ets2 is expressed in the extraembryonic ectoderm tropoblast during gastrulation. Here, the authors use Ets2 knock-out mice to show that Ets2 signalling is required for gastrulation, primitive streak elongation and development and the mesoderm epithelial-to-mesenchymal transition. | | | 03 Apr | Nat Commun 4:1658 doi:10.1038/ncomms2646 (2013) | | | Biological sciences Developmental biology | | | Abstract | Full Text | PDF (3,239 kB) |
| Inhibition of return in the archer fish | | | Shai Gabay, Tali Leibovich, Avi Ben-Simon, Avishai Henik and Ronen Segev | | | Inhibition of return describes a mechanism in humans and monkeys whereby the visual detection of recently attended objects or locations is impaired. Gabay et al. find that inhibition of return is also present in archer fish, meaning that a fully developed cortex is not needed for this mechanism. | | | 03 Apr | Nat Commun 4:1657 doi:10.1038/ncomms2644 (2013) | | | Biological sciences Evolution | | | Neuroscience | | | Abstract | Full Text | PDF (369 kB) |
| Mass spectrometric analysis of mono- and multi-phosphopeptides by selective binding with NiZnFe2O4 magnetic nanoparticles | | | Hongying Zhong, Xiao Xiao, Shi Zheng, Wenyang Zhang, Mengjie Ding, Haiying Jiang, Lulu Huang and Jie Kang | | | The isolation of phosphorylated peptides is important for understanding protein function. Here, the authors use magnetic nanoparticles for the selective analysis of phosphorylated peptides, and show that the composition of the nanoparticles affects the selectivity for mono- or multi-phosphorylated compounds. | | | 03 Apr | Nat Commun 4:1656 doi:10.1038/ncomms2662 (2013) | | | Chemical sciences Analytical chemistry | | | Inorganic chemistry | | Abstract | Full Text | PDF (432 kB) |
Supplementary Information |
| Observations from old forests underestimate climate change effects on tree mortality OPEN | | | Yong Luo and Han Y. H. Chen | | | It is thought that only climate change drives temporal tree mortality increases in old forests. Here, Luo and Chen show that both forest dynamics and climate change drive temporal tree mortality increases in young and old forests, and that climate change-associated mortality increases are higher in the young forests. | | | 03 Apr | Nat Commun 4:1655 doi:10.1038/ncomms2681 (2013) | | | Earth sciences Climate science | | | Ecology | | Abstract | Full Text | PDF (333 kB) |
Supplementary Information |
| Microbiota-derived lactate accelerates colon epithelial cell turnover in starvation-refed mice | | | Toshihiko Okada, Shinji Fukuda, Koji Hase, Shin Nishiumi, Yoshihiro Izumi, Masaru Yoshida, Teruki Hagiwara, Rei Kawashima, Motomi Yamazaki, Tomoyuki Oshio, Takeshi Otsubo, Kyoko Inagaki-Ohara, Kazuki Kakimoto, Kazuhide Higuchi, Yuki I. Kawamura, Hiroshi Ohno and Taeko Dohi | | | Epithelial cells in the colon mainly use microbial fermentation products as energy sources. Here Okada et al. find that lactate produced by commensal Lactobacillus murinus regulates colonic epithelial cell proliferation and show that mice are more susceptible to carcinogens when refed after a period of starvation. | | | 03 Apr | Nat Commun 4:1654 doi:10.1038/ncomms2668 (2013) | | | Biological sciences Cancer | | | Medical research Microbiology | | Abstract | Full Text | PDF (1,230 kB) |
Supplementary Information |
| Reconciliation of marine and terrestrial carbon isotope excursions based on changing atmospheric CO2 levels | | | Brian A. Schubert and A. Hope Jahren | | | Carbon isotope excursions (CIEs) measured in marine and terrestrial substrates indicate large-scale changes in the global carbon cycle. Schubert and Jahren show that larger-amplitude CIEs measured in terrestrial substrates reflect increased carbon isotope fractionation by land plants under elevated atmospheric CO2. | | | 03 Apr | Nat Commun 4:1653 doi:10.1038/ncomms2659 (2013) | | | Earth sciences Biogeochemistry | | | Plant sciences | | Abstract | Full Text | PDF (345 kB) |
Supplementary Information |
| Experience enhances gamma oscillations and interhemispheric asymmetry in the hippocampus OPEN | | | Yoshiaki Shinohara, Aki Hosoya and Hajime Hirase | | | Gamma oscillations act to synchronize neuronal activity and are implicated in cognitive processing. Using in vivo electrophysiology, Shinohara et al. find that gamma oscillations and associated structural changes are greater in right-sided hippocampi of enriched environment-reared rats. | | | 03 Apr | Nat Commun 4:1652 doi:10.1038/ncomms2658 (2013) | | | Biological sciences Neuroscience | | Abstract | Full Text | PDF (1,564 kB) |
Supplementary Information |
| High-resolution correlation spectroscopy of 13C spins near a nitrogen-vacancy centre in diamond | | | Abdelghani Laraoui, Florian Dolde, Christian Burk, Friedemann Reinhard, Jörg Wrachtrup and Carlos A. Meriles | | | The spin states associated with nitrogen vacancies in diamond could be useful in the development of solid-state quantum information processing. Laraoui et al. resolve the temporal dynamics of spins associated with C-13 atoms near such vacancies to better understand and perhaps better exploit their behaviour. | | | 03 Apr | Nat Commun 4:1651 doi:10.1038/ncomms2685 (2013) | | | Physical sciences Condensed matter | | | Optical physics | | Abstract | Full Text | PDF (1,312 kB) |
Supplementary Information |
| Direct visualization of reversible dynamics in a Si6 cluster embedded in a graphene pore | | | Jaekwang Lee, Wu Zhou, Stephen J. Pennycook, Juan-Carlos Idrobo and Sokrates T. Pantelides | | | Studying the structural dynamics of clusters of just a handful of atoms is challenging. But by imaging a cluster of six silicon atoms trapped in a pore of a sheet of graphene with an electron microscope, Lee et al. observe the reversible switching of the cluster between different metastable structural states. | | | 03 Apr | Nat Commun 4:1650 doi:10.1038/ncomms2671 (2013) | | | Physical sciences Atomic and molecular physics | | | Condensed matter | | Abstract | Full Text | PDF (1,802 kB) |
Supplementary Information |
| Quantum engineering at the silicon surface using dangling bonds OPEN | | | S. R. Schofield, P. Studer, C. F. Hirjibehedin, N. J. Curson, G. Aeppli and D. R. Bowler | | | The ability to add and move individual atoms on a surface with a scanning tunnelling microscope enables precise control over the electronic quantum states of the surface. Schofield et al. show that removing hydrogen atoms from a passivated silicon surface can be used to generate and control such states. | | | 03 Apr | Nat Commun 4:1649 doi:10.1038/ncomms2679 (2013) | | | Physical sciences Condensed matter | | | Nanotechnology | | Abstract | Full Text | PDF (1,556 kB) |
Supplementary Information |
| Photochemical activity of Titan's low-altitude condensed haze | | | Murthy S. Gudipati, Ronen Jacovi, Isabelle Couturier-Tamburelli, Antti Lignell and Mark Allen | | | The atmosphere of Titan, Saturn's largest moon, consists of orange-yellow haze, but its formation and dynamics are not well understood. Here laboratory studies show that Titan's lower atmosphere is photochemically active and the formation of complex prebiotic precursor molecules occurs at lower altitudes. | | | 03 Apr | Nat Commun 4:1648 doi:10.1038/ncomms2649 (2013) | | | Earth sciences Atmospheric science | | | Planetary sciences | | Abstract | Full Text | PDF (636 kB) |
Supplementary Information |
| Two-dimensional structure from random multiparticle X-ray scattering images using cross-correlations | | | B. Pedrini, A. Menzel, M. Guizar-Sicairos, V. A. Guzenko, S. Gorelick, C. David, B. D. Patterson and R. Abela | | | A model-independent protocol is developed for reconstructing a two-dimensional particle from multiparticle diffraction images. The method is verified experimentally with gold nanostructures, paving the way towards single-molecule imaging using high-intensity X-ray free-electron laser pulses. | | | 03 Apr | Nat Commun 4:1647 doi:10.1038/ncomms2622 (2013) | | | Physical sciences Nanotechnology | | | Optical physics | | Abstract | Full Text | PDF (1,290 kB) |
Supplementary Information |
| Interplay of Dirac fermions and heavy quasiparticles in solids | | | M. Höppner, S. Seiro, A. Chikina, A. Fedorov, M. Güttler, S. Danzenbächer, A. Generalov, K. Kummer, S. Patil, S. L. Molodtsov, Y. Kucherenko, C. Geibel, V. N. Strocov, M. Shi, M. Radovic, T. Schmitt, C. Laubschat and D. V. Vyalikh | | | The interactions of quasiparticles can be described by renormalizing their masses, such that some materials have a vanishingly small effective mass, whereas others have a very high effective mass. The observation by Vyalikh and colleagues of both extremes occurring on the surface and interior of the same material offers a new view of many-body interactions. | | | 03 Apr | Nat Commun 4:1646 doi:10.1038/ncomms2654 (2013) | | | Physical sciences Condensed matter | | | Materials science | | Abstract | Full Text | PDF (917 kB) |
Supplementary Information |
| A chronic model of arthritis supported by a strain-specific periarticular lymph node in BALB/c mice OPEN | | | Uta Baddack, Sven Hartmann, Holger Bang, Jenny Grobe, Christoph Loddenkemper, Martin Lipp and Gerd Müller | | | Mouse models of arthritis generally do not result in both chronic disease and autoantibody production—two key features of the human disease. Here the authors obtain both features by combining two common protocols, and find that disease severity is associated with the presence of a previously unidentified lymph node. | | | 03 Apr | Nat Commun 4:1644 doi:10.1038/ncomms2625 (2013) | | | Biological sciences Immunology | | | Medical research | | | Abstract | Full Text | PDF (2,274 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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