Real and apparent movement nulled.

abstract：:When a portrait is coarsely quantized into blocks, the block structure hides the face, although lower spatial frequencies of the original image sufficient by themselves for recognition are preserved. Recognition can be recovered by blurring the image, or otherwise attenuating the spurious higher spatial frequency comp...

journal_title：Nature

authors： Morrone MC,Burr DC,Ross J

更新日期：1983-09-15 00:00:00

abstract：:Two large-scale yeast two-hybrid screens were undertaken to identify protein-protein interactions between full-length open reading frames predicted from the Saccharomyces cerevisiae genome sequence. In one approach, we constructed a protein array of about 6,000 yeast transformants, with each transformant expressing on...

journal_title：Nature

authors： Uetz P,Giot L,Cagney G,Mansfield TA,Judson RS,Knight JR,Lockshon D,Narayan V,Srinivasan M,Pochart P,Qureshi-Emili A,Li Y,Godwin B,Conover D,Kalbfleisch T,Vijayadamodar G,Yang M,Johnston M,Fields S,Rothberg JM

更新日期：2000-02-10 00:00:00

abstract：:The promoter for a weakly expressed constitutive gene, the lactose repressor gene (lacI), has been sequenced, along with an 'up' promoter mutation Iq. The 10-fold enhancement in I expression found in Iq is the result of a single base change at position -35. To facilitate the sequencing, the lacI gene was cloned in a s...

journal_title：Nature

authors： Calos MP

更新日期：1978-08-24 00:00:00

abstract：:Proteolysis is essential for the execution of many cellular functions. These include removal of incorrectly folded or damaged proteins, the activation of transcription factors, the ordered degradation of proteins involved in cell cycle control, and the generation of peptides destined for presentation by class I molecu...

journal_title：Nature

authors： Glas R,Bogyo M,McMaster JS,Gaczynska M,Ploegh HL

更新日期：1998-04-09 00:00:00

abstract：:The holotype of Deinocheirus mirificus was collected by the 1965 Polish-Mongolian Palaeontological Expedition at Altan Uul III in the southern Gobi of Mongolia. Because the holotype consists mostly of giant forelimbs (2.4 m in length) with scapulocoracoids, for almost 50 years Deinocheirus has remained one of the most...

journal_title：Nature

authors： Lee YN,Barsbold R,Currie PJ,Kobayashi Y,Lee HJ,Godefroit P,Escuillié F,Chinzorig T

更新日期：2014-11-13 00:00:00

abstract：:High-temperature superconductivity is achieved by doping copper oxide insulators with charge carriers. The density of carriers in conducting materials can be determined from measurements of the Hall voltage--the voltage transverse to the flow of the electrical current that is proportional to an applied magnetic field....

journal_title：Nature

authors： Balakirev FF,Betts JB,Migliori A,Ono S,Ando Y,Boebinger GS

更新日期：2003-08-21 00:00:00

abstract：:Type Ia supernovae are thought to result from thermonuclear explosions of carbon-oxygen white dwarf stars. Existing models generally explain the observed properties, with the exception of the sub-luminous 1991bg-like supernovae. It has long been suspected that the merger of two white dwarfs could give rise to a type I...

journal_title：Nature

authors： Pakmor R,Kromer M,Röpke FK,Sim SA,Ruiter AJ,Hillebrandt W

更新日期：2010-01-07 00:00:00

abstract：:The tumour suppressor p53 is required to induce programmed cell death (apoptosis) by DNA-damaging agents. As p53 is a transcriptional activator that mediates gene induction after DNA damage, it has been proposed to be a genetic switch that activates apoptosis-mediator genes. Here we evaluate the role of p53 in DNA-dam...

journal_title：Nature

authors： Caelles C,Helmberg A,Karin M

更新日期：1994-07-21 00:00:00

abstract：:High-energy cosmic-ray electrons and positrons (CREs), which lose energy quickly during their propagation, provide a probe of Galactic high-energy processes and may enable the observation of phenomena such as dark-matter particle annihilation or decay. The CRE spectrum has been measured directly up to approximately 2 ...

journal_title：Nature

authors： DAMPE Collaboration.

更新日期：2017-12-07 00:00:00

abstract：:With the discovery1 of superconductivity at 203 kelvin in H3S, attention returned to conventional superconductors with properties that can be described by the Bardeen-Cooper-Schrieffer and the Migdal-Eliashberg theories. Although these theories predict the possibility of room-temperature superconductivity in metals th...

journal_title：Nature

authors： Drozdov AP,Kong PP,Minkov VS,Besedin SP,Kuzovnikov MA,Mozaffari S,Balicas L,Balakirev FF,Graf DE,Prakapenka VB,Greenberg E,Knyazev DA,Tkacz M,Eremets MI

更新日期：2019-05-01 00:00:00

abstract：:Infection by the human immunodeficiency virus (HIV) is initiated by the binding of its extracellular envelope glycoprotein, gp120, to the CD4 antigen on target cells. To map the residues of the HIV-1 glycoprotein that are critical for binding and to analyse the effects of binding on viral infectivity, we created 15 mu...

journal_title：Nature

authors： Cordonnier A,Montagnier L,Emerman M

更新日期：1989-08-17 00:00:00

abstract：:Drosophila melanogaster is one of the most well studied genetic model organisms; nonetheless, its genome still contains unannotated coding and non-coding genes, transcripts, exons and RNA editing sites. Full discovery and annotation are pre-requisites for understanding how the regulation of transcription, splicing and...

journal_title：Nature

authors： Graveley BR,Brooks AN,Carlson JW,Duff MO,Landolin JM,Yang L,Artieri CG,van Baren MJ,Boley N,Booth BW,Brown JB,Cherbas L,Davis CA,Dobin A,Li R,Lin W,Malone JH,Mattiuzzo NR,Miller D,Sturgill D,Tuch BB,Zaleski C,

更新日期：2011-03-24 00:00:00

abstract：:Recognition of sweet, bitter and umami tastes requires the non-vesicular release from taste bud cells of ATP, which acts as a neurotransmitter to activate afferent neural gustatory pathways. However, how ATP is released to fulfil this function is not fully understood. Here we show that calcium homeostasis modulator 1 ...

journal_title：Nature

authors： Taruno A,Vingtdeux V,Ohmoto M,Ma Z,Dvoryanchikov G,Li A,Adrien L,Zhao H,Leung S,Abernethy M,Koppel J,Davies P,Civan MM,Chaudhari N,Matsumoto I,Hellekant G,Tordoff MG,Marambaud P,Foskett JK

更新日期：2013-03-14 00:00:00

abstract：:The structure of the operator-binding domain of the lambda repressor has been determined at 3.2 A resolution. This domain contains an extended N-terminal arm and five alpha-helices. Model-building studies of the repressor-operator complex suggest that alpha-helices, especially the N-terminal parts of these helices, ma...

journal_title：Nature

authors： Pabo CO,Lewis M

更新日期：1982-07-29 00:00:00

abstract：:Important Ca2+ signals in the cytosol and organelles are often extremely localized and hard to measure. To overcome this problem we have constructed new fluorescent indicators for Ca2+ that are genetically encoded without cofactors and are targetable to specific intracellular locations. We have dubbed these fluorescen...

journal_title：Nature

authors： Miyawaki A,Llopis J,Heim R,McCaffery JM,Adams JA,Ikura M,Tsien RY

更新日期：1997-08-28 00:00:00

abstract：:The observed number counts of high-redshift galaxy candidates have been used to build up a statistical description of star-forming activity at redshift z ≳ 7, when galaxies reionized the Universe. Standard models predict that a high incidence of gravitational lensing will probably distort measurements of flux and numb...

journal_title：Nature

authors： Wyithe JS,Yan H,Windhorst RA,Mao S

更新日期：2011-01-13 00:00:00

abstract：:Whereas short-term memory lasts from minutes to hours, long-term memory (LTM) can last for days or even an entire lifetime. LTM generally forms after spaced repeated training sessions and involves the regulation of gene expression, thereby implicating transcription factors in the initial steps of LTM establishment. Ho...

journal_title：Nature

authors： Comas D,Petit F,Preat T

更新日期：2004-07-22 00:00:00

abstract：:The extent to which an organism is selected to invest in defences against pathogens and parasites depends on the advantages that ensue should infection occur, but also on the costs of maintaining defences in the absence of infection. The presence of heritable variation in resistance suggests that costs exist, but we k...

journal_title：Nature

authors： Kraaijeveld AR,Godfray HC

更新日期：1997-09-18 00:00:00

abstract：:Recognition of an avirulent pathogen triggers the rapid production of the reactive oxygen intermediates superoxide (O2-) and hydrogen peroxide (H2O2). This oxidative burst drives crosslinking of the cell wall, induces several plant genes involved in cellular protection and defence, and is necessary for the initiation ...

journal_title：Nature

authors： Delledonne M,Xia Y,Dixon RA,Lamb C

更新日期：1998-08-06 00:00:00

abstract：:Photoreceptors of the vertebrate retina hyperpolarize in response to light. The hyperpolarization elicited by a brief flash is approximately ten times slower in rods than in cones of the same retina. We have examined the amplification and temporal properties of synaptic transfer of rod and cone signals to a common pos...

journal_title：Nature

authors： Schnapf JL,Copenhagen DR

更新日期：1982-04-29 00:00:00

abstract：:Subcutaneous (s.c.) administration of Arg-vasopressin (AVP) prolongs retention of a learned behaviour and elevates arterial blood pressure. Intracerebroventricular (i.c.v.) injection of a thousandfold lower dose of AVP than needed with s.c. injection produces the same behavioural effect, suggesting that AVP acts on th...

journal_title：Nature

authors： Södersten P,Henning M,Melin P,Ludin S

更新日期：1983-02-17 00:00:00

abstract：:All forms of locomotion are repetitive motor activities that require coordinated bilateral activation of muscles. The executive elements of locomotor control are networks of spinal neurons that determine gait pattern through the sequential activation of motor-neuron pools on either side of the body axis. However, litt...

journal_title：Nature

authors： Talpalar AE,Bouvier J,Borgius L,Fortin G,Pierani A,Kiehn O

更新日期：2013-08-01 00:00:00

abstract：:Electrochemical reduction of carbon dioxide (CO2) to carbon monoxide (CO) is the first step in the synthesis of more complex carbon-based fuels and feedstocks using renewable electricity. Unfortunately, the reaction suffers from slow kinetics owing to the low local concentration of CO2 surrounding typical CO2 reductio...

journal_title：Nature

authors： Liu M,Pang Y,Zhang B,De Luna P,Voznyy O,Xu J,Zheng X,Dinh CT,Fan F,Cao C,de Arquer FP,Safaei TS,Mepham A,Klinkova A,Kumacheva E,Filleter T,Sinton D,Kelley SO,Sargent EH

更新日期：2016-09-15 00:00:00

abstract：:The internal organization of eukaryotic cells into functionally specialized, membrane-delimited organelles of unique composition implies a need for active, regulated lipid transport. Phosphatidylserine (PS), for example, is synthesized in the endoplasmic reticulum and then preferentially associates--through mechanisms...

journal_title：Nature

authors： Maeda K,Anand K,Chiapparino A,Kumar A,Poletto M,Kaksonen M,Gavin AC

更新日期：2013-09-12 00:00:00

abstract：:The mec-2 gene is required for the function of a set of six touch receptor neurons in the nematode Caenorhabditis elegans; mec-2 mutants, which are touch-insensitive, have touch cells that appear morphologically normal. Gene interaction studies suggest that mec-2 positively regulates the activity of the putative mecha...

journal_title：Nature

authors： Huang M,Gu G,Ferguson EL,Chalfie M

更新日期：1995-11-16 00:00:00

abstract：:Milankovitch proposed that summer insolation at mid-latitudes in the Northern Hemisphere directly causes the ice-age climate cycles. This would imply that times of ice-sheet collapse should correspond to peaks in Northern Hemisphere June insolation. But the penultimate deglaciation has proved controversial because Jun...

journal_title：Nature

authors： Henderson GM,Slowey NC

更新日期：2000-03-02 00:00:00

abstract：:Understanding the capacity of natural populations to adapt to their local environment is a central topic in evolutionary biology. Phenotypic differences between populations may have a genetic basis, but showing that they reflect different adaptive optima requires the quantification of both gene flow and selection. Goo...

journal_title：Nature

authors： Postma E,van Noordwijk AJ

更新日期：2005-01-06 00:00:00

abstract：:Multiple sclerosis is thought to be an autoimmune disease of the central nervous system mediated by T cells specific for a myelin antigen. Myelin basic protein has been studied as a potential autoantigen in the disease because of its role as an encephalitogen in experimental autoimmune encephalomyelitis and post-viral...

journal_title：Nature

authors： Ota K,Matsui M,Milford EL,Mackin GA,Weiner HL,Hafler DA

更新日期：1990-07-12 00:00:00

abstract：:When an intense laser pulse is focused into a gas, the light-atom interaction that occurs as atoms are ionized results in an extremely nonlinear optical process--the generation of high harmonics of the driving laser frequency. Harmonics that extend up to orders of about 300 have been reported, some corresponding to ph...

journal_title：Nature

authors： Bartels R,Backus S,Zeek E,Misoguti L,Vdovin G,Christov IP,Murnane MM,Kapteyn HC

更新日期：2000-07-13 00:00:00

abstract：:When a spatially uniform temperature change is imposed on a solid with more than one phase, or on a polycrystal of a single, non-cubic phase (showing anisotropic expansion-contraction), the resulting thermal strain is inhomogeneous (non-affine). Thermal cycling induces internal stresses, leading to structural and prop...

journal_title：Nature

authors： Ketov SV,Sun YH,Nachum S,Lu Z,Checchi A,Beraldin AR,Bai HY,Wang WH,Louzguine-Luzgin DV,Carpenter MA,Greer AL

更新日期：2015-08-13 00:00:00