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|  | | 20 December 2011 | | | Featured image: | |  | | | Adams et al. show that sea urchin larvae use dopamine signalling to reduce their feeding structure when food is abundant. | | | | | | |
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Department of Health & Human Services | | | | | | | Latest Articles | View all Articles | | | | | River-margin habitat of Ardipithecus ramidus at Aramis, Ethiopia 4.4 million years ago | | | M. Royhan Gani and Nahid D. Gani | | | The habitat where early humans, hominins, lived provides information about the early part of human evolution. In this study, sedimentological and stable carbon and oxygen isotope data suggest hominin Ardipithecus ramidus lived in a river-margin forest in a wooded grassland landscape at Aramis, Ethiopia. | | | 20 Dec | Nat Commun 2:602 doi:10.1038/ncomms1610 (2011) | | | Earth sciences Evolution | | | Geology and geophysics | | Abstract | Full Text | PDF (1,088 kB) |
Supplementary Information |
| The blood-stage malaria antigen PfRH5 is susceptible to vaccine-inducible cross-strain neutralizing antibody | | | Alexander D. Douglas, Andrew R. Williams, Joseph J. Illingworth, Gathoni Kamuyu, Sumi Biswas, Anna L. Goodman, David H. Wyllie, Cécile Crosnier, Kazutoyo Miura, Gavin J. Wright, Carole A. Long, Faith H. Osier, Kevin Marsh, Alison V. Turner, Adrian V.S. Hill and Simon J. Draper | | | At present there are no highly effective vaccines for Plasmodium falciparum. In this study, a vaccine raised against the P. falciparum reticulocyte-binding protein homologue 5 is shown to induce an IgG response in rabbits that could block the proliferation of multiple parasite strains in vitro. | | | 20 Dec | Nat Commun 2:601 doi:10.1038/ncomms1615 (2011) | | | Biological sciences Immunology | | | Medical research Microbiology | | | | | Abstract | Full Text | PDF (423 kB) |
| A role for T-bet-mediated tumour immune surveillance in anti-IL-17A treatment of lung cancer | | | S. Reppert, I. Boross, M. Koslowski, Ö. Türeci, S. Koch, H.A. Lehr and S. Finotto | | | The tumour microenvironment is often found to be immunosuppressive. Reppert and colleagues show that human and murine lung tumours harbour IL-17A-producing T cells, and that blocking IL-17A increases survival in mice, suggesting that anti-IL-17A therapy may be useful in treating lung cancer. | | | 20 Dec | Nat Commun 2:600 doi:10.1038/ncomms1609 (2011) | | | Biological sciences Cancer | | | Immunology Medical research | | | Molecular biology | | | Abstract | Full Text | PDF (928 kB) |
| Competition for FcRn-mediated transport gives rise to short half-life of human IgG3 and offers therapeutic potential OPEN | | | Nigel M. Stapleton, Jan Terje Andersen, Annette M. Stemerding, Stefania P. Bjarnarson, Ruurd C. Verheul, Jacoline Gerritsen, Yixian Zhao, Marion Kleijer, Inger Sandlie, Masja de Haas, Ingileif Jonsdottir, C. Ellen van der Schoot and Gestur Vidarsson | | | The half-life of IgG is regulated by binding to the neonatal Fc receptor and, in the case of IgG3, is reduced compared to other IgG proteins. In this study, a mutation in IgG3 is shown to reduce binding to the neonatal Fc receptor, which can be competitively blocked by IgG1. | | | 20 Dec | Nat Commun 2:599 doi:10.1038/ncomms1608 (2011) | | | Biological sciences Biotechnology | | | Immunology Medical research | | Abstract | Full Text | PDF (1,335 kB) |
Supplementary Information |
| PKA regulatory subunits mediate synergy among conserved G-protein-coupled receptor cascades OPEN | | | Eduard Stefan, Mohan K. Malleshaiah, Billy Breton, Po Hien Ear, Verena Bachmann, Michael Beyermann, Michel Bouvier and Stephen W. Michnick | | | G-protein-coupled receptors sense extracellular cues and transmit the signal to distinct trimeric G-proteins. Stefan et al. show that in response to cAMP, a central and conserved component of the Gαs-coupled receptor cascade, the RII subunit of PKA, specifically binds to and participates in Gαi signaling. | | | 20 Dec | Nat Commun 2:598 doi:10.1038/ncomms1605 (2011) | | | Biological sciences Biochemistry | | | Chemical biology Evolution | | | Molecular biology | | Abstract | Full Text | PDF (758 kB) |
Supplementary Information |
| Promotion of plasma membrane repair by vitamin E OPEN | | | Amber C. Howard, Anna K. McNeil and Paul L. McNeil | | | Membrane repair of myocytes is important to prevent such disease as muscular dystrophy but the properties of this repair are not well characterised. In this study, vitamin E is shown to be important in the repair of myocyte cell membranes in cultured cells and in intact muscle. | | | 20 Dec | Nat Commun 2:597 doi:10.1038/ncomms1594 (2011) | | | Biological sciences Cell biology | | | Medical research | | Abstract | Full Text | PDF (815 kB) |
Supplementary Information |
| Interface engineering of quantum Hall effects in digital transition metal oxide heterostructures | | | Di Xiao, Wenguang Zhu, Ying Ran, Naoto Nagaosa and Satoshi Okamoto | | | Topological insulators are a class of materials with an unusual band structure that makes them metallic at the surface and insulating in the bulk. Okamoto and co-workers use electronic structure calculations to predict a new family of possible topological insulators based on transition-metal oxides. | | | 20 Dec | Nat Commun 2:596 doi:10.1038/ncomms1602 (2011) | | | Physical sciences Applied physics | | | Materials science | | | | Abstract | Full Text | PDF (1,377 kB) |
Supplementary Information |
| Inverse barocaloric effect in the giant magnetocaloric La–Fe–Si–Co compound | | | Lluís Mañosa, David González-Alonso, Antoni Planes, Maria Barrio, Josep-Lluís Tamarit, Ivan S. Titov, Mehmet Acet, Amitava Bhattacharyya and Subham Majumdar | | | When materials change temperature as a result of the application of pressure or a change in the magnetization, they are said to display a barocaloric or magnetocaloric effect, respectively. This study reports a substantial barocaloric effect in the giant magnetocaloric material LaFe11.33Co0.47Si1.2. | | | 20 Dec | Nat Commun 2:595 doi:10.1038/ncomms1606 (2011) | | | Physical sciences Applied physics | | | Condensed matter Materials science | | | | | Abstract | Full Text | PDF (384 kB) |
| Extraordinary carrier multiplication gated by a picosecond electric field pulse OPEN | | | H. Hirori, K. Shinokita, M. Shirai, S. Tani, Y. Kadoya and K. Tanaka | | | Studying carrier multiplication in materials is important to understand their transport properties and interaction with light. Hirori et al. show that intense terahertz pulses can generate electron-hole pairs in GaAs quantum wells that then emit infrared light, contrary to the effect with a DC field. | | | 20 Dec | Nat Commun 2:594 doi:10.1038/ncomms1598 (2011) | | | Physical sciences Applied physics | | | Materials science Nanotechnology | | | | | Abstract | Full Text | PDF (484 kB) |
| BRCA1 is an essential regulator of heart function and survival following myocardial infarction OPEN | | | Praphulla C. Shukla, Krishna K. Singh, Adrian Quan, Mohammed Al-Omran, Hwee Teoh, Fina Lovren, Liu Cao, Ilsa I. Rovira, Yi Pan, Christine Brezden-Masley, Bobby Yanagawa, Aanika Gupta, Chu-Xia Deng, John G. Coles, Howard Leong-Poi, William L. Stanford, Thomas G. Parker, Michael D. Schneider, Toren Finkel and Subodh Verma | | | The tumour suppressor BRCA1 is mutated in familial breast and ovarian cancer. Now, Shukla et al. demonstrate that mice lacking BRCA1 in cardiomyocytes are more sensitive to ischaemia than control mice, and that BRCA1 is elevated in human tissues exposed to ischaemia, suggesting a cardioprotective role for BRCA1. | | | 20 Dec | Nat Commun 2:593 doi:10.1038/ncomms1601 (2011) | | | Biological sciences Cell biology | | | Molecular biology | | Abstract | Full Text | PDF (1,418 kB) |
Supplementary Information |
| Rapid adaptation to food availability by a dopamine-mediated morphogenetic response | | | Diane K. Adams, Mary A. Sewell, Robert C. Angerer and Lynne M. Angerer | | | Food availability elicits behavioural and developmental responses. Adams et al. show that, in sea urchin larvae, food availability mediates developmental plasticity by regulating changes in arm length through dopamine signalling, a pathway widely used to mediate food-induced behavioural responses. | | | 20 Dec | Nat Commun 2:592 doi:10.1038/ncomms1603 (2011) | | | Biological sciences Developmental biology | | | Ecology Evolution | | | Neuroscience Zoology | | Abstract | Full Text | PDF (801 kB) |
Supplementary Information |
| Revealing the role of defects in ferroelectric switching with atomic resolution | | | Peng Gao, Christopher T. Nelson, Jacob R. Jokisaari, Seung-Hyub Baek, Chung Wung Bark, Yi Zhang, Enge Wang, Darrell G. Schlom, Chang-Beom Eom and Xiaoqing Pan | | | Ferroelectric materials are characterized by a spontaneous polarization, which in practical applications is manipulated by an electric field. This study examines how defects affect the switching with atomic resolution, by using in situ aberration-corrected transmission electron microscopy. | | | 20 Dec | Nat Commun 2:591 doi:10.1038/ncomms1600 (2011) | | Physical sciences Condensed matter
Materials science Nanotechnology | | Abstract | Full Text | PDF (1,127 kB) |
Supplementary Information |
| Stable prenucleation mineral clusters are liquid-like ionic polymers OPEN | | | Raffaella Demichelis, Paolo Raiteri, Julian D. Gale, David Quigley and Denis Gebauer | | | Prenucleation clusters have been observed during the early stages of calcium carbonate formation, contrary to classical models. Here, computer simulations indicate that the clusters are composed of an ionic polymer with alternating calcium and carbonate ions, and a dynamic topology of chains, branches and rings. | | | 20 Dec | Nat Commun 2:590 doi:10.1038/ncomms1604 (2011) | | | Chemical sciences Inorganic chemistry | | | Physical chemistry | | Abstract | Full Text | PDF (776 kB) |
Supplementary Information | | | | | | |
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