Language-tree divergence times support the Anatolian theory of Indo-European origin.

abstract：:Vaccines against a variety of infectious diseases represent one of the great triumphs of medicine. The immune correlates of protection induced by most current vaccines seem to be mediated by long-lived humoral immune responses. By contrast, there are no currently available vaccines that are uniformly effective for dis...

journal_title：Nature

authors： Seder RA,Hill AV

更新日期：2000-08-17 00:00:00

abstract：:Large low-velocity seismic anomalies have been detected in the Earth's lower mantle beneath Africa and the Pacific Ocean that are not easily explained by temperature variations alone. The African anomaly has been interpreted to be a northwest-southeast-trending structure with a sharp-edged linear, ridge-like morpholog...

journal_title：Nature

authors： McNamara AK,Zhong S

更新日期：2005-10-20 00:00:00

abstract：:Deposition of amyoid-beta peptide in the central nervous system is a hallmark of Alzheimer's disease and a possible cause of neurodegeneration. The factors that initiate or promote deposition of amyloid-beta peptide are not known. The transforming growth factor TGF-beta1 plays a central role in the response of the bra...

journal_title：Nature

authors： Wyss-Coray T,Masliah E,Mallory M,McConlogue L,Johnson-Wood K,Lin C,Mucke L

更新日期：1997-10-09 00:00:00

abstract：:The recent discovery that the human T-cell lymphoma leukemia virus (HTLV) may be the agent of transmission of T-cell lymphoid malignancies raises ethical questions for blood transfusion services. The effort to avoid use of contaminated blood is dependent to a large extent on the willingness and ability of donors to g...

journal_title：Nature

authors：

更新日期：1983-04-14 00:00:00

abstract：:The extensive literature on the origin of the ratites focuses mainly on three questions: are the ratites mono- or polyphyletic, did they evolve from flying ancestors, and are they primitive or advanced? Opinion tends to accept a common descent from flying ancestors for the large ratites (for a summary of ideas see ref...

journal_title：Nature

authors： de Boer LE

更新日期：1980-09-04 00:00:00

abstract：:Since its discovery in 1989, efforts to grow clinical isolates of the hepatitis C virus (HCV) in cell culture have met with limited success. Only the JFH-1 isolate has the capacity to replicate efficiently in cultured hepatoma cells without cell culture-adaptive mutations. We hypothesized that cultured cells lack one ...

journal_title：Nature

authors： Saeed M,Andreo U,Chung HY,Espiritu C,Branch AD,Silva JM,Rice CM

更新日期：2015-08-27 00:00:00

abstract：:Spinal cord injury disrupts the communication between the brain and the spinal circuits that orchestrate movement. To bypass the lesion, brain-computer interfaces have directly linked cortical activity to electrical stimulation of muscles, and have thus restored grasping abilities after hand paralysis. Theoretically, ...

journal_title：Nature

authors： Capogrosso M,Milekovic T,Borton D,Wagner F,Moraud EM,Mignardot JB,Buse N,Gandar J,Barraud Q,Xing D,Rey E,Duis S,Jianzhong Y,Ko WK,Li Q,Detemple P,Denison T,Micera S,Bezard E,Bloch J,Courtine G

更新日期：2016-11-10 00:00:00

abstract：:Self-reproduction is central to biological life for long-term sustainability and evolutionary adaptation. Although these traits would also be desirable in many engineered systems, the principles of self-reproduction have not been exploited in machine design. Here we create simple machines that act as autonomous modula...

journal_title：Nature

authors： Zykov V,Mytilinaios E,Adams B,Lipson H

更新日期：2005-05-12 00:00:00

abstract：:Understanding the behaviour of the dielectric constant in ferroelectric thin films remains a challenging problem. These ferroelectric materials have high static dielectric constants, and so are important for their applications in high-storage-density capacitor structures such as dynamic random access memory (DRAM). Bu...

journal_title：Nature

authors： Sirenko AA,Bernhard C,Golnik A,Clark AM,Hao J,Si W,Xi XX

更新日期：2000-03-23 00:00:00

abstract：:One reason for the failure of chemotherapy in the treatment of advanced cancers may be the outgrowth of multidrug-resistant tumour cells. Multidrug resistance has been modelled in numerous mammalian cell lines in which the phenotype is characterized by a pleiotropic cross-resistance to unrelated drugs. In the study re...

journal_title：Nature

authors： Kartner N,Evernden-Porelle D,Bradley G,Ling V

更新日期：1985-08-29 00:00:00

abstract：:The nicotinic acetylcholine receptor (AChR) from the electroplax of the ray Torpedo californica is composed of five subunits present in a molar stoichiometry of alpha 2 beta gamma delta (refs 1-3) and contains both the binding site for the neurotransmitter and the cation gating unit (reviewed in refs 4-6). We have rec...

journal_title：Nature

authors： Noda M,Takahashi H,Tanabe T,Toyosato M,Kikyotani S,Furutani Y,Hirose T,Takashima H,Inayama S,Miyata T,Numa S

更新日期：1983-04-07 00:00:00

abstract：:The earliest cell fate decision in the mammalian embryo separates the extra-embryonic trophoblast lineage, which forms the fetal portion of the placenta, from the embryonic cell lineages. The body plan of the embryo proper is established only later at gastrulation, when the pluripotent epiblast gives rise to the germ ...

journal_title：Nature

authors： Russ AP,Wattler S,Colledge WH,Aparicio SA,Carlton MB,Pearce JJ,Barton SC,Surani MA,Ryan K,Nehls MC,Wilson V,Evans MJ

更新日期：2000-03-02 00:00:00

abstract：:The halo of the Milky Way provides a laboratory to study the properties of the shocked hot gas that is predicted by models of galaxy formation. There is observational evidence of energy injection into the halo from past activity in the nucleus of the Milky Way1-4; however, the origin of this energy (star formation or ...

journal_title：Nature

authors： Predehl P,Sunyaev RA,Becker W,Brunner H,Burenin R,Bykov A,Cherepashchuk A,Chugai N,Churazov E,Doroshenko V,Eismont N,Freyberg M,Gilfanov M,Haberl F,Khabibullin I,Krivonos R,Maitra C,Medvedev P,Merloni A,Nandra K,N

更新日期：2020-12-01 00:00:00

abstract：:Recognition of modified histone species by distinct structural domains within 'reader' proteins plays a critical role in the regulation of gene expression. Readers that simultaneously recognize histones with multiple marks allow transduction of complex chromatin modification patterns into specific biological outcomes....

journal_title：Nature

authors： Tsai WW,Wang Z,Yiu TT,Akdemir KC,Xia W,Winter S,Tsai CY,Shi X,Schwarzer D,Plunkett W,Aronow B,Gozani O,Fischle W,Hung MC,Patel DJ,Barton MC

更新日期：2010-12-16 00:00:00

abstract：:Although vascular endothelial growth factor (VEGF) induces angiogenesis, it also disrupts vascular barrier function in diseased tissues. Accordingly, VEGF expression in cancer and ischaemic disease has unexpected pathophysiological consequences. By uncoupling endothelial cell-cell junctions VEGF causes vascular permea...

journal_title：Nature

authors： Weis SM,Cheresh DA

更新日期：2005-09-22 00:00:00

abstract：:Mammalian Kruppel-like transcription factors are implicated in regulating terminal differentiation of several tissue types. Deficiency in Kruppel-like factor (KLF) 2 (also known as LKLF) leads to a massive loss of the peripheral T-cell pool, suggesting KLF2 regulates T-cell quiescence and survival. Here we show, howev...

journal_title：Nature

authors： Carlson CM,Endrizzi BT,Wu J,Ding X,Weinreich MA,Walsh ER,Wani MA,Lingrel JB,Hogquist KA,Jameson SC

更新日期：2006-07-20 00:00:00

abstract：:P2Y receptors (P2YRs), a family of purinergic G-protein-coupled receptors (GPCRs), are activated by extracellular nucleotides. There are a total of eight distinct functional P2YRs expressed in human, which are subdivided into P2Y1-like receptors and P2Y12-like receptors. Their ligands are generally charged molecules w...

journal_title：Nature

authors： Zhang K,Zhang J,Gao ZG,Zhang D,Zhu L,Han GW,Moss SM,Paoletta S,Kiselev E,Lu W,Fenalti G,Zhang W,Müller CE,Yang H,Jiang H,Cherezov V,Katritch V,Jacobson KA,Stevens RC,Wu B,Zhao Q

更新日期：2014-05-01 00:00:00

abstract：:Metabotropic γ-aminobutyric acid receptors (GABAB) are involved in the modulation of synaptic responses in the central nervous system and have been implicated in neuropsychological conditions that range from addiction to psychosis1. GABAB belongs to class C of the G-protein-coupled receptors, and its functional entity...

journal_title：Nature

authors： Shaye H,Ishchenko A,Lam JH,Han GW,Xue L,Rondard P,Pin JP,Katritch V,Gati C,Cherezov V

更新日期：2020-08-01 00:00:00

abstract：:Members of the Hedgehog family of secreted proteins control a number of important inductive interactions in the development of both vertebrates and Drosophila, but little is known about the ways in which their signalling activities are transduced. In Drosophila, hedgehog is one of the segment-polarity genes, mutations...

journal_title：Nature

authors： van den Heuvel M,Ingham PW

更新日期：1996-08-08 00:00:00

abstract：:The radiation of the mammals provides a 165-million-year test case for evolutionary theories of how species occupy and then fill ecological niches. It is widely assumed that species often diverge rapidly early in their evolution, and that this is followed by a longer, drawn-out period of slower evolutionary fine-tunin...

journal_title：Nature

authors： Venditti C,Meade A,Pagel M

更新日期：2011-10-19 00:00:00

abstract：:The dominant forcing factors for past large-scale changes in vegetation are widely debated. Changes in the distribution of C4 plants--adapted to warm, dry conditions and low atmospheric CO2 concentrations--have been attributed to marked changes in environmental conditions, but the relative impacts of changes in aridit...

journal_title：Nature

authors： Schefuss E,Schouten S,Jansen JH,Sinninghe Damsté JS

更新日期：2003-03-27 00:00:00

abstract：:Deep neural networks have achieved impressive successes in fields ranging from object recognition to complex games such as Go1,2. Navigation, however, remains a substantial challenge for artificial agents, with deep neural networks trained by reinforcement learning3-5 failing to rival the proficiency of mammalian spat...

journal_title：Nature

authors： Banino A,Barry C,Uria B,Blundell C,Lillicrap T,Mirowski P,Pritzel A,Chadwick MJ,Degris T,Modayil J,Wayne G,Soyer H,Viola F,Zhang B,Goroshin R,Rabinowitz N,Pascanu R,Beattie C,Petersen S,Sadik A,Gaffney S,King H

更新日期：2018-05-01 00:00:00

abstract：:The isolation of a mutant adenovirus carrying an insertion of cellular DNA has led to the identification of a new family of human repetitive sequences, which are found tandemly arranged in the genome. The sequence of the viral insert resembles that of eukaryotic transposable elements. ...

journal_title：Nature

authors： Shimizu Y,Yoshida K,Ren CS,Fujinaga K,Rajagopalan S,Chinnadurai G

更新日期：1983-04-14 00:00:00

abstract：:The mitotic recombination behaviour of a duplication of the his4 region on chromosome III in the yeast Saccharomyces cerevisiae was studied. The major recombination event between the duplicated segments is gene conversion unassociated with reciprocal recombination. The rad52-1 mutation preferentially decreases mitotic...

journal_title：Nature

authors： Jackson JA,Fink GR

更新日期：1981-07-23 00:00:00

abstract：:Using a recently developed formalism called topological quantum chemistry, we perform a high-throughput search of 'high-quality' materials (for which the atomic positions and structure have been measured very accurately) in the Inorganic Crystal Structure Database in order to identify new topological phases. We develo...

journal_title：Nature

authors： Vergniory MG,Elcoro L,Felser C,Regnault N,Bernevig BA,Wang Z

更新日期：2019-02-01 00:00:00

abstract：:The observation that a few species in ecological communities are exceptionally abundant, whereas most are rare, prompted the development of species abundance models. Nevertheless, despite the large literature on the commonness and rarity of species inspired by these pioneering studies, some widespread empirical patter...

journal_title：Nature

authors： Magurran AE,Henderson PA

更新日期：2003-04-17 00:00:00

abstract：:Inclusive fitness theory predicts that organisms can often increase their fitness by helping relatives. Indeed, many animals modify their behaviour towards kin in a fashion consistent with theory. Morphogenesis may also be sensitive to kinship environment, especially in species that facultatively produce distinct morp...

journal_title：Nature

authors： Pfennig DW,Collins JP

更新日期：1993-04-29 00:00:00

abstract：:The cloning of mammals from differentiated donor cells has refuted the old dogma that development is an irreversible process. It has demonstrated that the oocyte can reprogramme an adult nucleus into an embryonic state that can direct development of a new organism. The prospect of deriving patient-specific embryonic s...

journal_title：Nature

authors： Hochedlinger K,Jaenisch R

更新日期：2006-06-29 00:00:00

abstract：:Age at menarche is a marker of timing of puberty in females. It varies widely between individuals, is a heritable trait and is associated with risks for obesity, type 2 diabetes, cardiovascular disease, breast cancer and all-cause mortality. Studies of rare human disorders of puberty and animal models point to a compl...

journal_title：Nature

authors： Perry JR,Day F,Elks CE,Sulem P,Thompson DJ,Ferreira T,He C,Chasman DI,Esko T,Thorleifsson G,Albrecht E,Ang WQ,Corre T,Cousminer DL,Feenstra B,Franceschini N,Ganna A,Johnson AD,Kjellqvist S,Lunetta KL,McMahon G,N

更新日期：2014-10-02 00:00:00

abstract：:Myeloproliferative neoplasms (MPNs) are blood cancers that are characterized by the excessive production of mature myeloid cells and arise from the acquisition of somatic driver mutations in haematopoietic stem cells (HSCs). Epidemiological studies indicate a substantial heritable component of MPNs that is among the h...

journal_title：Nature

authors： Bao EL,Nandakumar SK,Liao X,Bick AG,Karjalainen J,Tabaka M,Gan OI,Havulinna AS,Kiiskinen TTJ,Lareau CA,de Lapuente Portilla AL,Li B,Emdin C,Codd V,Nelson CP,Walker CJ,Churchhouse C,de la Chapelle A,Klein DE,Nilsson

更新日期：2020-10-01 00:00:00