The drive to miniaturization

abstract：:The CD4 molecule is a high-affinity cell-surface receptor for the human immunodeficiency virus (HIV-1) and a soluble truncated form of CD4 produced by recombinant DNA technology is a potent inhibitor of HIV-1 replication and HIV-1-induced cell fusion in vitro. Rhesus monkeys infected with the simian immunodeficiency v...

journal_title：Nature

authors： Watanabe M,Reimann KA,DeLong PA,Liu T,Fisher RA,Letvin NL

更新日期：1989-01-19 00:00:00

abstract：:Calcium signalling in astrocytes couples changes in neural activity to alterations in cerebral blood flow by eliciting vasoconstriction or vasodilation of arterioles. However, the mechanism for how these opposite astrocyte influences provide appropriate changes in vessel tone within an environment that has dynamic met...

journal_title：Nature

authors： Gordon GR,Choi HB,Rungta RL,Ellis-Davies GC,MacVicar BA

更新日期：2008-12-11 00:00:00

abstract：:Actin is one of the most ubiquitous, abundant and well-conserved proteins of eukaryotes, participating in many crucial cellular processes including the maintenance of cell shape, motility and cell division. Actins from the most divergent sources still share amino-acid identities in excess of 70% (ref. 3). This may wel...

journal_title：Nature

authors： Clark SW,Meyer DI

更新日期：1992-09-17 00:00:00

abstract：:Introduction of DNA fragments, hundreds of kilobases in size, into mouse embryonic stem (ES) cells would greatly advance the ability to manipulate the mouse genome. Mice generated from such modified cells would permit investigation of the function and expression of very large or crudely mapped genes. Large DNA molecul...

journal_title：Nature

authors： Jakobovits A,Moore AL,Green LL,Vergara GJ,Maynard-Currie CE,Austin HA,Klapholz S

更新日期：1993-03-18 00:00:00

abstract：:DNA methylation is highly dynamic during mammalian embryogenesis. It is broadly accepted that the paternal genome is actively depleted of 5-methylcytosine at fertilization, followed by passive loss that reaches a minimum at the blastocyst stage. However, this model is based on limited data, and so far no base-resoluti...

journal_title：Nature

authors： Smith ZD,Chan MM,Mikkelsen TS,Gu H,Gnirke A,Regev A,Meissner A

更新日期：2012-03-28 00:00:00

abstract：:By means of in vivo selection, transcriptomic analysis, functional verification and clinical validation, here we identify a set of genes that marks and mediates breast cancer metastasis to the lungs. Some of these genes serve dual functions, providing growth advantages both in the primary tumour and in the lung microe...

journal_title：Nature

authors： Minn AJ,Gupta GP,Siegel PM,Bos PD,Shu W,Giri DD,Viale A,Olshen AB,Gerald WL,Massagué J

更新日期：2005-07-28 00:00:00

abstract：:The extinction rate of populations is predicted to rise under increasing rates of environmental change. If a population experiencing increasingly stressful conditions lacks appropriate phenotypic plasticity or access to more suitable habitats, then genetic change may be the only way to avoid extinction. Evolutionary r...

journal_title：Nature

authors： Lindsey HA,Gallie J,Taylor S,Kerr B

更新日期：2013-02-28 00:00:00

abstract：:Excitation-contraction coupling in skeletal muscle involves a voltage sensor in the plasma membrane which, in response to depolarization, causes an intracellular calcium-release channel to open. The skeletal isoform of the ryanodine receptor (RyR-1) functions as the Ca2+-release channel and the dihydropyridine recepto...

journal_title：Nature

authors： Nakai J,Dirksen RT,Nguyen HT,Pessah IN,Beam KG,Allen PD

更新日期：1996-03-07 00:00:00

abstract：:Predation can be intense, creating strong direct and indirect effects throughout food webs. In addition, ecologists increasingly recognize that fluxes of organisms across ecosystem boundaries can have major consequences for community dynamics. Species with complex life histories often shift habitats during their life ...

journal_title：Nature

authors： Knight TM,McCoy MW,Chase JM,McCoy KA,Holt RD

更新日期：2005-10-06 00:00:00

abstract：:It is a controversial issue whether 'real' movement, seen from the successive stimulation of retinal receptors by a moving image, and 'apparent' (phi) movement, which is produced by stimuli separated in space and time, are transmitted by the same or different neural channels. With this question in mind, we have devise...

journal_title：Nature

authors： Gregory RL,Harris JP

更新日期：1984-02-23 00:00:00

abstract：:The factors driving glacial changes in ocean overturning circulation are not well understood. On the basis of a comparison of 20 climate variables over the past four glacial cycles, the SPECMAP project proposed that summer insolation at high northern latitudes (that is, Milankovitch forcing) drives the same sequence o...

journal_title：Nature

authors： Lisiecki LE,Raymo ME,Curry WB

更新日期：2008-11-06 00:00:00

abstract：:Current ideas about the dependence of neurons on target-derived growth factors were formulated on the basis of experiments involving neurons with projections to the periphery. Nerve growth factor (NGF) and recently identified members of the NGF family of neuronal growth factors, known as neurotrophins, are thought to ...

journal_title：Nature

authors： Yan Q,Elliott J,Snider WD

更新日期：1992-12-24 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：:Highly efficient neutron detectors are critical in many sectors, including national security1,2, medicine3, crystallography4 and astronomy5. The main neutron detection technologies currently used involve 3He-gas-filled proportional counters6 and light scintillators7 for thermalized neutrons. Semiconductors could provi...

journal_title：Nature

authors： Chica DG,He Y,McCall KM,Chung DY,Pak RO,Trimarchi G,Liu Z,De Lurgio PM,Wessels BW,Kanatzidis MG

更新日期：2020-01-01 00:00:00

abstract：:Materials showing simultaneous ferroelectric and magnetic ordering are attracting a great deal of interest because of their unusual physics and potential applications. Hemberger et al. have reported relaxor-like dielectric properties and colossal magnetocapacitance (in excess of 500%) for the cubic spinel compound CdC...

journal_title：Nature

authors： Catalan G,Scott JF

更新日期：2007-08-23 00:00:00

abstract：:In the absence of extraneously added template, standard preparations of Q beta replicase spontaneously synthesize RNA in vitro, possibly as a result of RNA contamination. Using special enzyme purifications, Sumper and Luce presented evidence that self-replicating RNA not present ab initio can grow out of 'template-fre...

journal_title：Nature

authors： Biebricher CK,Eigen M,Luce R

更新日期：1986-05-01 00:00:00

abstract：:The activation of T cells through interaction of their T-cell receptors with antigenic peptide bound to major histocompatibility complex (MHC) on the surface of antigen presenting cells (APCs) is a crucial step in adaptive immunity. Here we use three-dimensional fluorescence microscopy to visualize individual peptide-...

journal_title：Nature

authors： Irvine DJ,Purbhoo MA,Krogsgaard M,Davis MM

更新日期：2002-10-24 00:00:00

abstract：:Mice of the AKR strain are characterised by a high incidence of spontaneous thymic lymphomas. AKR chromosomes contain the genomes of ecotropic murine leukaemia virus (MuLV) at two loci, termed Akv-1 and Akv-2 (refs 2-6). Shortly after birth, the normal tissues of AKR mice begin to produce high levels of this XC-positi...

journal_title：Nature

authors： Rein A,Athan E,Benjers BM,Bassin RH,Gerwin BI,Slocum DR

更新日期：1979-12-13 00:00:00

abstract：:Werner's syndrome (WS) is a rare autosomal recessive disease in which the affected individuals display symptoms of premature ageing. The substantial phenotypic overlap between WS and normal ageing indicates that these two conditions may have pathogenetic mechanisms in common. The WS mutation has pleiotropic effects, a...

journal_title：Nature

authors： Goto M,Rubenstein M,Weber J,Woods K,Drayna D

更新日期：1992-02-20 00:00:00

abstract：:Thrombin is a coagulation protease that activates platelets, leukocytes, endothelial and mesenchymal cells at sites of vascular injury, acting partly through an unusual proteolytically activated G-protein-coupled receptor. Knockout of the gene encoding this receptor provided definitive evidence for a second thrombin r...

journal_title：Nature

authors： Ishihara H,Connolly AJ,Zeng D,Kahn ML,Zheng YW,Timmons C,Tram T,Coughlin SR

更新日期：1997-04-03 00:00:00

abstract：:How black holes accrete surrounding matter is a fundamental yet unsolved question in astrophysics. It is generally believed that matter is absorbed into black holes via accretion disks, the state of which depends primarily on the mass-accretion rate. When this rate approaches the critical rate (the Eddington limit), t...

journal_title：Nature

authors： Kimura M,Isogai K,Kato T,Ueda Y,Nakahira S,Shidatsu M,Enoto T,Hori T,Nogami D,Littlefield C,Ishioka R,Chen YT,King SK,Wen CY,Wang SY,Lehner MJ,Schwamb ME,Wang JH,Zhang ZW,Alcock C,Axelrod T,Bianco FB,Byun YI,

更新日期：2016-01-07 00:00:00

abstract：:Molecular-scale manipulation of electronic and ionic charge accumulation in materials is the backbone of electrochemical energy storage1-4. Layered van der Waals (vdW) crystals are a diverse family of materials into which mobile ions can electrochemically intercalate into the interlamellar gaps of the host atomic latt...

journal_title：Nature

authors： Bediako DK,Rezaee M,Yoo H,Larson DT,Zhao SYF,Taniguchi T,Watanabe K,Brower-Thomas TL,Kaxiras E,Kim P

更新日期：2018-06-01 00:00:00

abstract：:XX female mammals undergo transcriptional silencing of most genes on one of their two X chromosomes to equalize X-linked gene dosage with XY males in a process referred to as X-chromosome inactivation (XCI). XCI is an example of epigenetic regulation. Once enacted in individual cells of the early female embryo, XCI is...

journal_title：Nature

authors： Kalantry S,Purushothaman S,Bowen RB,Starmer J,Magnuson T

更新日期：2009-07-30 00:00:00

abstract：:Cyclin-dependent kinase 5 (Cdk5) and its neuron-specific regulator p35 are essential for neuronal migration and for the laminar configuration of the cerebral cortex. In addition, p35/Cdk5 kinase concentrates at the leading edges of axonal growth cones and regulates neurite outgrowth in cortical neurons in culture. The...

journal_title：Nature

authors： Nikolic M,Chou MM,Lu W,Mayer BJ,Tsai LH

更新日期：1998-09-10 00:00:00

abstract：:De novo-designed proteins1-3 hold great promise as building blocks for synthetic circuits, and can complement the use of engineered variants of natural proteins4-7. One such designer protein-degronLOCKR, which is based on 'latching orthogonal cage-key proteins' (LOCKR) technology8-is a switch that degrades a protein o...

journal_title：Nature

authors： Ng AH,Nguyen TH,Gómez-Schiavon M,Dods G,Langan RA,Boyken SE,Samson JA,Waldburger LM,Dueber JE,Baker D,El-Samad H

更新日期：2019-08-01 00:00:00

abstract：:The four-chambered mammalian heart develops from two fields of cardiac progenitor cells distinguished by their spatiotemporal patterns of differentiation and contributions to the definitive heart. The first heart field differentiates earlier in lateral plate mesoderm, generates the linear heart tube and ultimately giv...

journal_title：Nature

authors： Zhou Y,Cashman TJ,Nevis KR,Obregon P,Carney SA,Liu Y,Gu A,Mosimann C,Sondalle S,Peterson RE,Heideman W,Burns CE,Burns CG

更新日期：2011-05-29 00:00:00

abstract：:A hemispheric dichotomy on Mars is marked by the sharp contrast between the sparsely cratered northern lowland plains and the heavily cratered southern highlands. Mechanisms proposed to remove ancient crust or form younger lowland crust include one or more giant impacts, subcrustal transport by mantle convection, the ...

journal_title：Nature

authors： Watters TR,Leuschen CJ,Plaut JJ,Picardi G,Safaeinili A,Clifford SM,Farrell WM,Ivanov AB,Phillips RJ,Stofan ER

更新日期：2006-12-14 00:00:00

abstract：:In this Review, the middle initial of author Kim M. Cobb was omitted. The original Review has been corrected online. ...

journal_title：Nature

authors： Timmermann A,An SI,Kug JS,Jin FF,Cai W,Capotondi A,Cobb KM,Lengaigne M,McPhaden MJ,Stuecker MF,Stein K,Wittenberg AT,Yun KS,Bayr T,Chen HC,Chikamoto Y,Dewitte B,Dommenget D,Grothe P,Guilyardi E,Ham YG,Hayashi M

更新日期：2019-03-01 00:00:00

abstract：:The average air temperature at the Earth's surface has increased by 0.06 degrees C per decade during the 20th century, and by 0.19 degrees C per decade from 1979 to 1998. Climate models generally predict amplified warming in polar regions, as observed in Antarctica's peninsula region over the second half of the 20th c...

journal_title：Nature

authors： Doran PT,Priscu JC,Lyons WB,Walsh JE,Fountain AG,McKnight DM,Moorhead DL,Virginia RA,Wall DH,Clow GD,Fritsen CH,McKay CP,Parsons AN

更新日期：2002-01-31 00:00:00

abstract：:Glucagon is a 29-amino-acid peptide released from the α-cells of the islet of Langerhans, which has a key role in glucose homeostasis. Glucagon action is transduced by the class B G-protein-coupled glucagon receptor (GCGR), which is located on liver, kidney, intestinal smooth muscle, brain, adipose tissue, heart and p...

journal_title：Nature

authors： Jazayeri A,Doré AS,Lamb D,Krishnamurthy H,Southall SM,Baig AH,Bortolato A,Koglin M,Robertson NJ,Errey JC,Andrews SP,Teobald I,Brown AJ,Cooke RM,Weir M,Marshall FH

更新日期：2016-05-12 00:00:00