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| | | 13 December 2011 | | | Featured image: | |  | | | Schlunegger and Norton propose that changes in orographic rainfall shifted active shortening from the western to the eastern Central Andes. | | | | | | |
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Abstract Submission Deadline EXTENDED to November 30, 2011 | | | | | | | Latest Articles | View all Articles | | | | | Competitive and cooperative metabolic interactions in bacterial communities | | | Shiri Freilich, Raphy Zarecki, Omer Eilam, Ella Shtifman Segal, Christopher S. Henry, Martin Kupiec, Uri Gophna, Roded Sharan and Eytan Ruppin | | | Genome-scale metabolic models for bacterial species allow a systematic study of inter-species interactions. Here, competitive and cooperative potential is predicted between 6,903 pairs of species, to explore the role of these interactions in shaping coexistence patterns in natural communities. | | | 13 Dec | Nat Commun 2:589 doi:10.1038/ncomms1597 (2011) | | | Biological sciences Ecology Microbiology | | Abstract | Full Text | PDF (428 kB) |
Supplementary Information |
| Evolution of the base of the brain in highly encephalized human species | | | Markus Bastir, Antonio Rosas, Philipp Gunz, Angel Peña-Melian, Giorgio Manzi, Katerina Harvati, Robert Kruszynski, Chris Stringer and Jean-Jacques Hublin | | | Encephalization—increase of brain size relative to body size—has occurred in two distinct evolutionary lineages; Neanderthals and modern humans. However, the 3D endocranial surface shape analysis reported here reveals unique structures at the base of the brain in Homo sapiens, which may have contributed to learning and social capacities. | | | 13 Dec | Nat Commun 2:588 doi:10.1038/ncomms1593 (2011) | | | Biological sciences Evolution Neuroscience | | | Palaeontology | | Abstract | Full Text | PDF (1,069 kB) |
Supplementary Information |
| Photon diffusion near the point-of-entry in anisotropically scattering turbid media | | | Edward Vitkin, Vladimir Turzhitsky, Le Qiu, Lianyu Guo, Irving Itzkan, Eugene B. Hanlon and Lev T. Perelman | | | Optical imaging and spectroscopy rely on understanding how light enters and propagates through turbid media, yet its behaviour near the point-of-entry has remained elusive. Now Vitkin et al. report an analytical solution to this problem and demonstrate its agreement with simulations and experiments. | | | 13 Dec | Nat Commun 2:587 doi:10.1038/ncomms1599 (2011) | | | Physical sciences Biotechnology | | | Medical research Optical physics | | Abstract | Full Text | PDF (600 kB) |
Supplementary Information |
| Rebalancing of internally generated carriers for mid-infrared interband cascade lasers with very low power consumption | | | I. Vurgaftman, W.W. Bewley, C.L. Canedy, C.S. Kim, M. Kim, C.D. Merritt, J. Abell, J.R. Lindle and J.R. Meyer | | | Mid-infrared semiconductor lasers suffer from a high threshold power density, but interband cascade lasers may offer a more efficient alternative. Here, theory and experiments on such emitters demonstrate remarkably low thresholds and power consumption compared to state-of-the-art quantum cascade lasers. | | | 13 Dec | Nat Commun 2:585 doi:10.1038/ncomms1595 (2011) | | | Physical sciences Applied physics | | | Condensed matter Optical physics | | | Abstract | Full Text | PDF (450 kB) |
| Migrating deformation in the Central Andes from enhanced orographic rainfall | | | Kevin Norton and Fritz Schlunegger | | | Active shortening in the Central Andes shifted from the western to the eastern margin between 10-7 Myr ago, but the mechanism of formation is still unclear. Here, using critical wedge theory and local-scale fault friction calculations, this shift is proposed to have been controlled by changes in erosion patterns. | | | 13 Dec | Nat Commun 2:584 doi:10.1038/ncomms1590 (2011) | | | Earth sciences Geology and geophysics | | | | | Abstract | Full Text | PDF (633 kB) |
| O-Linked-N-acetylglucosamine on extracellular protein domains mediates epithelial cell–matrix interactions | | | Yuta Sakaidani, Tomoko Nomura, Aiko Matsuura, Makiko Ito, Emiko Suzuki, Kosuke Murakami, Daita Nadano, Tsukasa Matsuda, Koichi Furukawa and Tetsuya Okajima | | | The modification of proteins with O-linked-N-acetylglucosamine causes regulation of multiple cellular processes. In this study, Sakaidani and colleagues identify an endoplasmic reticulum O-linked-N-acetylglucosamine transferase in Drosophila that regulates the adhesion of epithelial cells to the extracellular matrix. | | | 13 Dec | Nat Commun 2:583 doi:10.1038/ncomms1591 (2011) | | | Biological sciences Biochemistry | | | Cell biology Developmental biology | | | | Abstract | Full Text | PDF (1,079 kB) |
Supplementary Information |
| Low-power nano-optical vortex trapping via plasmonic diabolo nanoantennas | | | Ju-Hyung Kang, Kipom Kim, Ho-Seok Ee, Yong-Hee Lee, Tae-Young Yoon, Min-Kyo Seo and Hong-Gyu Park | | | Optical vortex traps are appealing for handling delicate particles, but conventional techniques are challenging with objects smaller than the diffraction limit of light. By exploiting plasmonic resonances in gold diabolo nanoantennas, Kang et al. demonstrate low-power vortex trapping of nano-scale objects. | | | 13 Dec | Nat Commun 2:582 doi:10.1038/ncomms1592 (2011) | | | Physical sciences Applied physics | | | Materials science Nanotechnology | | | Optical physics | | Abstract | Full Text | PDF (931 kB) |
Supplementary Information | | | | | | |
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