A pathogenic picornavirus acquires an envelope by hijacking cellular membranes.

abstract：:Most of what is known about the evolution of deinonychosaurs (that is, the group of theropods most closely related to birds) is based on discoveries from North America and Asia. Except for Unenlagia comahuensis and some fragmentary remains from northern Africa, no other evidence was available on deinonychosaurian dive...

journal_title：Nature

authors： Novas FE,Pol D

更新日期：2005-02-24 00:00:00

abstract：:Joining dissimilar materials such as plastics and metals in engineered structures remains a challenge1. Mechanical fastening, conventional welding and adhesive bonding are examples of techniques currently used for this purpose, but each of these methods presents its own set of problems2 such as formation of stress con...

journal_title：Nature

authors： Rivera J,Hosseini MS,Restrepo D,Murata S,Vasile D,Parkinson DY,Barnard HS,Arakaki A,Zavattieri P,Kisailus D

更新日期：2020-10-01 00:00:00

abstract：:How diverse cell fates and complex forms emerge and feed back to each other to sculpt functional organs remains unclear. In the developing heart, the myocardium transitions from a simple epithelium to an intricate tissue that consists of distinct layers: the outer compact and inner trabecular layers. Defects in this p...

journal_title：Nature

authors： Priya R,Allanki S,Gentile A,Mansingh S,Uribe V,Maischein HM,Stainier DYR

更新日期：2020-12-01 00:00:00

abstract：:Sex in birds is chromosomally based, as in mammals, but the sex chromosomes are different and the mechanism of avian sex determination has been a long-standing mystery. In the chicken and all other birds, the homogametic sex is male (ZZ) and the heterogametic sex is female (ZW). Two hypotheses have been proposed for t...

journal_title：Nature

authors： Smith CA,Roeszler KN,Ohnesorg T,Cummins DM,Farlie PG,Doran TJ,Sinclair AH

更新日期：2009-09-10 00:00:00

abstract：:The glyceraldehyde 3-phosphate dehydogenase holoenzyme of Bacillus stearothermophilus possesses precise 222 symmetry: in this respect it differs from the reported structure of the lobster muscle enzyme. Pairs of active sites are linked through a flexible polypeptide loop which probably mediates the structural changes ...

journal_title：Nature

authors： Biesecker G,Harris JI,Thierry JC,Walker JE,Wonacott AJ

更新日期：1977-03-24 00:00:00

abstract：:Graphene, or single-layered graphite, with its high crystallinity and interesting semimetal electronic properties, has emerged as an exciting two-dimensional material showing great promise for the fabrication of nanoscale devices. Thin, elongated strips of graphene that possess straight edges, termed graphene ribbons,...

journal_title：Nature

authors： Kosynkin DV,Higginbotham AL,Sinitskii A,Lomeda JR,Dimiev A,Price BK,Tour JM

更新日期：2009-04-16 00:00:00

abstract：:Particle acceleration based on high intensity laser systems (a process known as laser-plasma acceleration) has achieved high quality particle beams that compare favourably with conventional acceleration techniques in terms of emittance, brightness and pulse duration. A long-term difficulty associated with laser-plasma...

journal_title：Nature

authors： Schwoerer H,Pfotenhauer S,Jäckel O,Amthor KU,Liesfeld B,Ziegler W,Sauerbrey R,Ledingham KW,Esirkepov T

更新日期：2006-01-26 00:00:00

abstract：:In the Northern Hemisphere, ozone levels in the troposphere have increased by 35 per cent over the past century, with detrimental impacts on forest and agricultural productivity, even when forest productivity has been stimulated by increased carbon dioxide levels. In addition to reducing productivity, increased tropos...

journal_title：Nature

authors： Loya WM,Pregitzer KS,Karberg NJ,King JS,Giardina CP

更新日期：2003-10-16 00:00:00

abstract：:Eukaryotic cells make many types of primary and processed RNAs that are found either in specific subcellular compartments or throughout the cells. A complete catalogue of these RNAs is not yet available and their characteristic subcellular localizations are also poorly understood. Because RNA represents the direct out...

journal_title：Nature

authors： Djebali S,Davis CA,Merkel A,Dobin A,Lassmann T,Mortazavi A,Tanzer A,Lagarde J,Lin W,Schlesinger F,Xue C,Marinov GK,Khatun J,Williams BA,Zaleski C,Rozowsky J,Röder M,Kokocinski F,Abdelhamid RF,Alioto T,Antoshechkin

更新日期：2012-09-06 00:00:00

abstract：:Nucleosomes cover most of the genome and are thought to be displaced by transcription factors in regions that direct gene expression. However, the modes of interaction between transcription factors and nucleosomal DNA remain largely unknown. Here we systematically explore interactions between the nucleosome and 220 tr...

journal_title：Nature

authors： Zhu F,Farnung L,Kaasinen E,Sahu B,Yin Y,Wei B,Dodonova SO,Nitta KR,Morgunova E,Taipale M,Cramer P,Taipale J

更新日期：2018-10-01 00:00:00

abstract：:Obesity is a disorder of energy balance, indicating a chronic disequilibrium between energy intake and expenditure. Recently, the mouse ob gene, and subsequently its human and rat homologues, have been cloned. The ob gene product, leptin, is expressed exclusively in adipose tissue, and appears to be a signalling facto...

journal_title：Nature

authors： Saladin R,De Vos P,Guerre-Millo M,Leturque A,Girard J,Staels B,Auwerx J

更新日期：1995-10-12 00:00:00

abstract：:The reciprocal chromosome translocation, t(8;14), involving the heavy chain locus on chromosome 14 and the c-myc oncogene on chromosome 8 is a characteristic of the B-cell malignancies Burkitt's lymphoma and acute lymphoblastic leukaemia (ALL). We have cloned and sequenced the t(8; 14) breakpoints of an African Burkit...

journal_title：Nature

authors： Haluska FG,Finver S,Tsujimoto Y,Croce CM

更新日期：1986-11-13 00:00:00

abstract：:The brain has generally been considered an insulin-independent organ, because insulin does not apparently exert a direct effect on brain glucose consumption. Recently, however, insulin receptors have been detected throughout the central nervous system (CNS) of several species. Since important insights into the functio...

journal_title：Nature

authors： van Houten M,Posner BI

更新日期：1979-12-06 00:00:00

abstract：:The function of the Xenopus laevis ribosomal spacer has been studied in vivo and by microinjection of in vitro mutants into Xenopus oocytes. It is shown that the spacer directs specific RNA transcripts which most probably terminate upstream of the ribosomal genes and that it is able to modulate transcription of these ...

journal_title：Nature

authors： Moss T

更新日期：1983-03-17 00:00:00

abstract：:The arrest of dorsal root axonal regeneration at the transitional zone between the peripheral and central nervous system has been repeatedly described since the early twentieth century. Here we show that, with trophic support to damaged sensory axons, this regenerative barrier is surmountable. In adult rats with injur...

journal_title：Nature

authors： Ramer MS,Priestley JV,McMahon SB

更新日期：2000-01-20 00:00:00

abstract：:B-RAF is the most frequently mutated protein kinase in human cancers. The finding that oncogenic mutations in BRAF are common in melanoma, followed by the demonstration that these tumours are dependent on the RAF/MEK/ERK pathway, offered hope that inhibition of B-RAF kinase activity could benefit melanoma patients. He...

journal_title：Nature

authors： Bollag G,Hirth P,Tsai J,Zhang J,Ibrahim PN,Cho H,Spevak W,Zhang C,Zhang Y,Habets G,Burton EA,Wong B,Tsang G,West BL,Powell B,Shellooe R,Marimuthu A,Nguyen H,Zhang KY,Artis DR,Schlessinger J,Su F,Higgins B,Iy

更新日期：2010-09-30 00:00:00

abstract：:A relationship between convergent margin magmas and copper-gold ore mineralization has long been recognized. The nature of the genetic link is controversial, particularly whether the link is due to high-oxygen-fugacity (fO2) melts and fluids released from subducted slabs or to brine exsolution during magmatic evolutio...

journal_title：Nature

authors： Sun W,Arculus RJ,Kamenetsky VS,Binns RA

更新日期：2004-10-21 00:00:00

abstract：:Much of our current knowledge about mitochondria has come from studying patients who have respiratory chain disorders. These disorders comprise a large collection of individually rare syndromes, each presenting in a unique and often devastating way. In recent years, there has been great progress in defining their gene...

journal_title：Nature

authors： Vafai SB,Mootha VK

更新日期：2012-11-15 00:00:00

abstract：:Malignancy is a common and dreaded complication following organ transplantation. The high incidence of neoplasm and its aggressive progression, which are associated with immunosuppressive therapy, are thought to be due to the resulting impairment of the organ recipient's immune-surveillance system. Here we report a me...

journal_title：Nature

authors： Hojo M,Morimoto T,Maluccio M,Asano T,Morimoto K,Lagman M,Shimbo T,Suthanthiran M

更新日期：1999-02-11 00:00:00

abstract：:Explaining altruistic cooperation is one of the greatest challenges for evolutionary biology. One solution to this problem is if costly cooperative behaviours are directed towards relatives. This idea of kin selection has been hugely influential and applied widely from microorganisms to vertebrates. However, a problem...

journal_title：Nature

authors： Griffin AS,West SA,Buckling A

更新日期：2004-08-26 00:00:00

abstract：:The ras-related low-molecular-mass GTPases participate in signal transduction involving a variety of cellular functions, including cell-cycle progression, cellular differentiation, cytoskeletal organization, protein transport and secretion. The cycling of these proteins between GTP-bound and GDP-bound states is partia...

journal_title：Nature

authors： Settleman J,Albright CF,Foster LC,Weinberg RA

更新日期：1992-09-10 00:00:00

abstract：:Inorganic nanoparticles exhibit size-dependent properties that are of interest for applications ranging from biosensing and catalysis to optics and data storage. They are readily available in a wide variety of discrete compositions and sizes. Shape-selective synthesis strategies now also yield shapes other than nanosp...

journal_title：Nature

authors： Jin R,Cao YC,Hao E,Métraux GS,Schatz GC,Mirkin CA

更新日期：2003-10-02 00:00:00

abstract：:Quantum computers are expected to outperform conventional computers in several important applications, from molecular simulation to search algorithms, once they can be scaled up to large numbers-typically millions-of quantum bits (qubits)1-3. For most solid-state qubit technologies-for example, those using superconduc...

journal_title：Nature

authors： Yang CH,Leon RCC,Hwang JCC,Saraiva A,Tanttu T,Huang W,Camirand Lemyre J,Chan KW,Tan KY,Hudson FE,Itoh KM,Morello A,Pioro-Ladrière M,Laucht A,Dzurak AS

更新日期：2020-04-01 00:00:00

abstract：:Excitatory synaptic transmission in the central nervous system is mediated primarily by the release of glutamate from presynaptic terminals onto postsynaptic channels gated by N-methyl-D-aspartate (NMDA) and alpha-amino-3-hydroxy-5-methylisoxazole-4-propionate (AMPA) receptors. The myriad intracellular responses arisi...

journal_title：Nature

authors： Wang Y,Small DL,Stanimirovic DB,Morley P,Durkin JP

更新日期：1997-10-02 00:00:00

abstract：:A temperature sensitive mutant has been isolated for the first time from a replication defective acute leukaemia virus, AEV. In vivo, at 41 degrees C, the mutant shows a reduced leukaemogenic potential. In vitro, in erythroblasts transformed at 35 degrees C, haemoglobin synthesis can be induced by a shift to 41 degree...

journal_title：Nature

authors： Graf T,Ade N,Beug H

更新日期：1978-10-12 00:00:00

abstract：:Uptake of glutamate into glial cells in the CNS maintains the extracellular glutamate concentration below neurotoxic levels and helps terminate its action as a neurotransmitter. The co-transport of two sodium ions on the glutamate carrier is thought to provide the energy needed to transport glutamate into cells. We ha...

journal_title：Nature

authors： Barbour B,Brew H,Attwell D

更新日期：1988-09-29 00:00:00

abstract：:In the course of synaptic transmission in the brain and periphery, acetylcholine receptors (AChRs) rapidly transduce a chemical signal into an electrical impulse. The speed of transduction is facilitated by rapid ACh association and dissociation, suggesting a binding site relatively non-selective for small cations. Se...

journal_title：Nature

authors： Mukhtasimova N,Lee WY,Wang HL,Sine SM

更新日期：2009-05-21 00:00:00

abstract：:We have developed a method for calculating the stability in water of protein structures, starting from their atomic coordinates. The contribution of each protein atom to the solvation free energy is estimated as the product of the accessibility of the atom to solvent and its atomic solvation parameter. Applications of...

journal_title：Nature

authors： Eisenberg D,McLachlan AD

更新日期：1986-01-16 00:00:00

abstract：:One of the earliest computational principles attributed to the cerebellum was the measurement of time. This idea was originally suggested on anatomical grounds, and was taken up again to explain some of the deficits in cerebellar patients. The contribution of the cerebellum to eye movements, in contrast, has tradition...

journal_title：Nature

authors： Thier P,Dicke PW,Haas R,Barash S

更新日期：2000-05-04 00:00:00

abstract：:The gut microbiota influences development1-3 and homeostasis4-7 of the mammalian immune system, and is associated with human inflammatory8 and immune diseases9,10 as well as responses to immunotherapy11-14. Nevertheless, our understanding of how gut bacteria modulate the immune system remains limited, particularly in ...

journal_title：Nature

authors： Schluter J,Peled JU,Taylor BP,Markey KA,Smith M,Taur Y,Niehus R,Staffas A,Dai A,Fontana E,Amoretti LA,Wright RJ,Morjaria S,Fenelus M,Pessin MS,Chao NJ,Lew M,Bohannon L,Bush A,Sung AD,Hohl TM,Perales MA,van den

更新日期：2020-12-01 00:00:00