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Volume 490 Number 7418 |
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nature |
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The science that matters. Every week. | |
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Jump to the content that matters to you |
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Comprehensive molecular portraits of human breast tumours
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This Article from the Cancer Genome Atlas consortium describes a multifaceted analysis of primary breast cancers in 825 people. Three genes — TP53, PIK3CA and GATA3 — are mutated at greater than 10% frequency across all breast cancers. The analyses also suggest that much of the clinically observable plasticity and heterogeneity occurs within, and not across, the major subtypes of breast cancer. |
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Two stellar-mass black holes in the globular cluster M22
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The consensus that a typical globular star cluster can accommodate just one stellar-mass black hole is brought into question with the discovery of two radio sources in the Milky Way globular cluster M22. And it may not stop there: the authors that made this discovery think that there may be tens of black holes in M22. |
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A transcriptomic hourglass in plant embryogenesis
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As it develops from a single-celled zygote to a mature plant embryo, the model plant Arabidopsis thaliana passes through a stage when phylogenetically ancient genes are preferentially expressed. This corroborates recent work in animals demonstrating a similar period of embryogenesis coinciding with what nineteenth-century zoologists recognized as a phase in development when embryos of all species look very similar. |
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In this week's podcast: digitising the humanities, the Roman Empire's methane footprint, and snake venom that kills pain as well as people. |
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The price of progress ▶ |
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A new uranium enrichment technique approved by the US Nuclear Regulatory Commission could have an impact on nuclear proliferation. This should have been taken into account. |
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Power cuts ▶ |
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China’s slumping renewable-energy industry should be learnt from, not dismissed. |
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Life sciences ▶ |
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Survivors of the 2010 University of Alabama shooting chose not to push for the death penalty. |
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Zoonosis: Fatal exchange ▶ |
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Nathan Wolfe applauds a tome on interspecies disease transmission that mixes research with human stories. |
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Black mamba venom peptides target acid-sensing ion channels to abolish pain ▶ |
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Sylvie Diochot, Anne Baron, Miguel Salinas, Dominique Douguet, Sabine Scarzello et al. |
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A new class of peptides, mambalgins, is isolated from the African snake the black mamba, which can abolish pain through inhibition of particular subtypes of acid-sensing ion channels expressed either in central or peripheral neurons. |
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The molecular basis of phosphate discrimination in arsenate-rich environments ▶ |
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Mikael Elias, Alon Wellner, Korina Goldin-Azulay, Eric Chabriere, Julia A. Vorholt et al. |
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Ultrahigh-resolution X-ray crystallography study of a phosphate-binding protein from Pseudomonas fluorescens yields insight into how phosphate ions essential for life are discriminated from the arsenate ions inimical to it, even in arsenate-rich environments. |
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Androgenetic haploid embryonic stem cells produce live transgenic mice ▶ |
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Wei Li, Ling Shuai, Haifeng Wan, Mingzhu Dong, Meng Wang et al. |
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Mouse androgenetic haploid ES-cell lines can be established by transferring sperm into an enucleated oocyte; the cells maintain haploidy and stable growth over 30 passages, express pluripotent markers, are able to differentiate into all three germ layers, contribute to germlines of chimaeras when injected into blastocysts and can produce fertile progeny that carry genetic modifications to the next generation. |
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Vaccine-induced CD8+ T cells control AIDS virus replication ▶ |
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Philip A. Mudd, Mauricio A. Martins, Adam J. Ericsen, Damien C. Tully, Karen A. Power et al. |
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Indian rhesus macaques are vaccinated with simian immunodeficiency virus (SIV)-restricted CD8+ T-cell epitopes, and these vaccinated animals are shown to mediate elite control of virus replication. |
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Clonal allelic predetermination of immunoglobulin-κ rearrangement ▶ |
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Marganit Farago, Chaggai Rosenbluh, Maya Tevlin, Shira Fraenkel, Sharon Schlesinger et al. |
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Immunoglobulin genes are expressed from either the maternal or paternal chromosome; it is now shown that in early haematopoietic stem cells, an individual cell can choose either of the two alleles, but as they develop they become committed to only one. |
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The oyster genome reveals stress adaptation and complexity of shell formation OPEN ▶ |
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Guofan Zhang, Xiaodong Fang, Ximing Guo, Li Li, Ruibang Luo et al. |
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The sequencing and assembly of the highly polymorphic oyster genome through a combination of short reads and fosmid pooling, complemented with extensive transcriptome analysis of development and stress response and proteome analysis of the shell, provides new insight into oyster biology and adaptation to a highly changeable environment. |
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A metagenome-wide association study of gut microbiota in type 2 diabetes ▶ |
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Junjie Qin, Yingrui Li, Zhiming Cai, Shenghui Li, Jianfeng Zhu et al. |
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The authors have developed a new method, metagenome-wide association study (MGWAS), to compare the combined genetic content of the faecal microbiota of healthy people versus patients with type 2 diabetes; they identify multiple microbial species and metabolic pathways that are associated with either cohort and show that some of these may be used as biomarkers. |
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Comprehensive molecular portraits of human breast tumours OPEN ▶ |
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The Cancer Genome Atlas Network |
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The Cancer Genome Atlas Network describe their multifaceted analyses of primary breast cancers, shedding light on breast cancer heterogeneity; although only three genes (TP53, PIK3CA and GATA3) are mutated at a frequency greater than 10% across all breast cancers, numerous subtype-associated and novel mutations were identified. |
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Natural and anthropogenic variations in methane sources during the past two millennia ▶ |
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C. J. Sapart, G. Monteil, M. Prokopiou, R. S. W. van de Wal, J. O. Kaplan et al. |
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Centennial-scale variations in methane carbon isotope ratios are attributed to changes in pyrogenic and biogenic sources that can be correlated with anthropogenic activities, such as varying levels of biomass burning during the period of the Roman empire and the Han dynasty, and changes in natural climate variability. |
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A Silurian armoured aplacophoran and implications for molluscan phylogeny ▶ |
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Mark D. Sutton, Derek E. G. Briggs, David J. Siveter, Derek J. Siveter & Julia D. Sigwart |
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A fossil of an aplacophoran from the Silurian of Herefordshire, England, is shown to have armour plating, supporting recent studies that have allied the worm-like, shell-less Aplacophora with the multi-shelled Polyplacophora, or chitons. |
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A transcriptomic hourglass in plant embryogenesis ▶ |
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Marcel Quint, Hajk-Georg Drost, Alexander Gabel, Kristian Karsten Ullrich, Markus Bönn et al. |
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As it develops from a single-celled zygote to a mature plant embryo, the thale cress Arabidopsis thaliana passes through a stage during which phylogenetically very ancient genes are preferentially expressed, showing that animals and plants have independently acquired the developmental hourglass as a similar way of managing gene expression as they pass through embryogenesis, even though their morphological development is very different. |
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Pregnancy imprints regulatory memory that sustains anergy to fetal antigen ▶ |
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Jared H. Rowe, James M. Ertelt, Lijun Xin & Sing Sing Way |
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Successful pregnancy requires immune tolerance against paternal antigens expressed by the fetus; here pregnancy is shown to stimulate the selective accumulation of maternal immune-suppressive regulatory T cells with fetal specificity that are retained post-partum, which may explain the protective benefits of prior pregnancy against pre-eclampsia and other complications in subsequent pregnancy. |
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Paramutation in Drosophila linked to emergence of a piRNA-producing locus ▶ |
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Augustin de Vanssay, Anne-Laure Bougé, Antoine Boivin, Catherine Hermant, Laure Teysset et al. |
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A paramutation occurs between two alleles in the same locus, when one allele induces a heritable mutation in another allele without modifying the DNA sequence; now, in Drosophila, a paramutation is shown to be transmissible over generations. |
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Natural and anthropogenic variations in methane sources during the past two millennia ▶ |
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C. J. Sapart, G. Monteil, M. Prokopiou, R. S. W. van de Wal, J. O. Kaplan et al. |
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Centennial-scale variations in methane carbon isotope ratios are attributed to changes in pyrogenic and biogenic sources that can be correlated with anthropogenic activities, such as varying levels of biomass burning during the period of the Roman empire and the Han dynasty, and changes in natural climate variability. |
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Delayed build-up of Arctic ice sheets during 400,000-year minima in insolation variability ▶ |
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Qingzhen Hao, Luo Wang, Frank Oldfield, Shuzhen Peng, Li Qin et al. |
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An East Asian winter monsoon proxy record using grain size variations in Chinese loess over the past 900,000 years shows that for up to 20,000 years after the interglacials at 400,000-year intervals, the weak monsoon winds maintain a mild, non-glacial climate at high northern latitudes. |
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Probing graphene grain boundaries with optical microscopy ▶ |
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Dinh Loc Duong, Gang Hee Han, Seung Mi Lee, Fethullah Gunes, Eun Sung Kim et al. |
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A simple method to observe grain boundaries in graphene is reported, using ultraviolet irradiation in humid conditions followed by optical microscopy. |
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Two stellar-mass black holes in the globular cluster M22 ▶ |
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Jay Strader, Laura Chomiuk, Thomas J. Maccarone, James C. A. Miller-Jones & Anil C. Seth |
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Two flat-spectrum radio sources in the Milky Way globular cluster M22 are thought to be accreting stellar-mass black holes; the identification of two black holes in one cluster shows that the ejection of black holes from clusters is not as efficient as predicted by most models. |
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Comet-like mineralogy of olivine crystals in an extrasolar proto-Kuiper belt ▶ |
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B. L. de Vries, B. Acke, J. A. D. L. Blommaert, C. Waelkens, L. B. F. M. Waters et al. |
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Analysis of the 69-micrometre spectral band of olivine crystals in the β Pictoris planetary system shows that they can be associated with an extrasolar proto-Kuiper belt, are rich in magnesium and make up about 3.6 per cent of the dust mass in the system — properties remarkably similar to those of olivine crystals from primitive comets in the Solar System. |
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Sulphate–climate coupling over the past 300,000 years in inland Antarctica ▶ |
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Yoshinori Iizuka, Ryu Uemura, Hideaki Motoyama, Toshitaka Suzuki, Takayuki Miyake et al. |
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Profiles of sulphate fluxes over the past 300,000 years from an Antarctic ice core show that, whereas the flux of sulphate-adhered dust has remained almost constant, that of sulphate salts correlates inversely with temperature, suggesting a coupling between particulate sulphur and temperature. |
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Natural and anthropogenic variations in methane sources during the past two millennia ▶ |
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C. J. Sapart, G. Monteil, M. Prokopiou, R. S. W. van de Wal, J. O. Kaplan et al. |
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Centennial-scale variations in methane carbon isotope ratios are attributed to changes in pyrogenic and biogenic sources that can be correlated with anthropogenic activities, such as varying levels of biomass burning during the period of the Roman empire and the Han dynasty, and changes in natural climate variability. |
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Dynamical similarity of geomagnetic field reversals ▶ |
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Jean-Pierre Valet, Alexandre Fournier, Vincent Courtillot & Emilio Herrero-Bervera |
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Volcanic records of the reversals of the geomagnetic field can be well matched under the assumption of a common reversal duration, and imply that the reversal process comprises three phases—a precursor, a fast polarity switch and a rebound—the properties of which have remained unchanged for about 180 million years. |
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Delayed build-up of Arctic ice sheets during 400,000-year minima in insolation variability ▶ |
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Qingzhen Hao, Luo Wang, Frank Oldfield, Shuzhen Peng, Li Qin et al. |
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An East Asian winter monsoon proxy record using grain size variations in Chinese loess over the past 900,000 years shows that for up to 20,000 years after the interglacials at 400,000-year intervals, the weak monsoon winds maintain a mild, non-glacial climate at high northern latitudes. |
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Comet-like mineralogy of olivine crystals in an extrasolar proto-Kuiper belt ▶ |
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B. L. de Vries, B. Acke, J. A. D. L. Blommaert, C. Waelkens, L. B. F. M. Waters et al. |
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Analysis of the 69-micrometre spectral band of olivine crystals in the β Pictoris planetary system shows that they can be associated with an extrasolar proto-Kuiper belt, are rich in magnesium and make up about 3.6 per cent of the dust mass in the system — properties remarkably similar to those of olivine crystals from primitive comets in the Solar System. |
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Sulphate–climate coupling over the past 300,000 years in inland Antarctica ▶ |
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Yoshinori Iizuka, Ryu Uemura, Hideaki Motoyama, Toshitaka Suzuki, Takayuki Miyake et al. |
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Profiles of sulphate fluxes over the past 300,000 years from an Antarctic ice core show that, whereas the flux of sulphate-adhered dust has remained almost constant, that of sulphate salts correlates inversely with temperature, suggesting a coupling between particulate sulphur and temperature. |
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Natural and anthropogenic variations in methane sources during the past two millennia ▶ |
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C. J. Sapart, G. Monteil, M. Prokopiou, R. S. W. van de Wal, J. O. Kaplan et al. |
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Centennial-scale variations in methane carbon isotope ratios are attributed to changes in pyrogenic and biogenic sources that can be correlated with anthropogenic activities, such as varying levels of biomass burning during the period of the Roman empire and the Han dynasty, and changes in natural climate variability. |
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Dynamical similarity of geomagnetic field reversals ▶ |
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Jean-Pierre Valet, Alexandre Fournier, Vincent Courtillot & Emilio Herrero-Bervera |
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Volcanic records of the reversals of the geomagnetic field can be well matched under the assumption of a common reversal duration, and imply that the reversal process comprises three phases—a precursor, a fast polarity switch and a rebound—the properties of which have remained unchanged for about 180 million years. |
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Nature Insight: Gut Microbes and Health This Insight focuses on the ecological principles that govern microbiota composition; interactions of the microbiota with the immune system and metabolic processes; and genomic tools that can aid in the analysis of microbial communities. Access the Insight free online for six months. Produced with support from: Yakult Honsha |
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People power ▶ |
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Crowd-funding gains traction as a way to support research. |
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Relationship advice ▶ |
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Report proposes guidelines for navigating academic-industrial partnerships. |
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Careers related news & comment |
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naturejobs.com Science jobs of the week |
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No matter what your career stage, student, postdoc or senior scientist, you will find articles on naturejobs.com to help guide you in your science career. Keep up-to-date with the latest sector trends, vote in our reader poll and sign-up to receive the monthly Naturejobs newsletter. |
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• Nature events featured events |
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natureevents featured events |
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Nature events is the premier resource for scientists looking for the latest scientific conferences, courses, meetings and symposia. Featured across Nature Publishing Group journals and centrally at natureevents.com it is an essential reference guide to scientific events worldwide. |
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