A factor discriminating between the wild-type and a mutant polyomavirus enhancer.

abstract：:In associative learning, the activated neurones undergo a variety of concomitant functional alterations--increases or decreases of firing activity and modifications of membrane potential or resistance and of synaptic responsiveness. Synaptic transmission which can be strengthened only when there is paired activity in ...

journal_title：Nature

authors： Baranyi A,Fehér O

更新日期：1981-04-02 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：:Cancer control by adaptive immunity involves a number of defined death and clearance mechanisms. However, efficient inhibition of exponential cancer growth by T cells and interferon-γ (IFN-γ) requires additional undefined mechanisms that arrest cancer cell proliferation. Here we show that the combined action of the T-...

journal_title：Nature

authors： Braumüller H,Wieder T,Brenner E,Aßmann S,Hahn M,Alkhaled M,Schilbach K,Essmann F,Kneilling M,Griessinger C,Ranta F,Ullrich S,Mocikat R,Braungart K,Mehra T,Fehrenbacher B,Berdel J,Niessner H,Meier F,van den Broek M,

更新日期：2013-02-21 00:00:00

abstract：:Disruption of the normal regulation of cell-cycle progression and division lies at the heart of the events leading to cancer. Complex networks of regulatory factors, the tumour microenvironment and stress signals, such as those resulting from damaged DNA, dictate whether cancer cells proliferate or die. Recent progres...

journal_title：Nature

authors： Sawyers C

更新日期：2004-11-18 00:00:00

abstract：:Botulinum neurotoxin A (BoNT/A) belongs to the most dangerous class of bioweapons. Despite this, BoNT/A is used to treat a wide range of common medical conditions such as migraines and a variety of ocular motility and movement disorders. BoNT/A is probably best known for its use as an antiwrinkle agent in cosmetic app...

journal_title：Nature

authors： Benoit RM,Frey D,Hilbert M,Kevenaar JT,Wieser MM,Stirnimann CU,McMillan D,Ceska T,Lebon F,Jaussi R,Steinmetz MO,Schertler GF,Hoogenraad CC,Capitani G,Kammerer RA

更新日期：2014-01-02 00:00:00

abstract：:Only a very small fraction of long noncoding RNAs (lncRNAs) are well characterized. The evolutionary history of lncRNAs can provide insights into their functionality, but the absence of lncRNA annotations in non-model organisms has precluded comparative analyses. Here we present a large-scale evolutionary study of lnc...

journal_title：Nature

authors： Necsulea A,Soumillon M,Warnefors M,Liechti A,Daish T,Zeller U,Baker JC,Grützner F,Kaessmann H

更新日期：2014-01-30 00:00:00

abstract：:One hundred years ago Albert Einstein introduced the concept of the photon. Although in the early years after 1905 the evidence for the quantum nature of light was not compelling, modern experiments--especially those using photon pairs--have beautifully confirmed its corpuscular character. Research on the quantum prop...

journal_title：Nature

authors： Zeilinger A,Weihs G,Jennewein T,Aspelmeyer M

更新日期：2005-01-20 00:00:00

abstract：:ATP, the principal energy currency of the cell, fuels most biosynthetic reactions in the cytoplasm by its hydrolysis into ADP and inorganic phosphate. Because resynthesis of ATP occurs in the mitochondrial matrix, ATP is exported into the cytoplasm while ADP is imported into the matrix. The exchange is accomplished by...

journal_title：Nature

authors： Pebay-Peyroula E,Dahout-Gonzalez C,Kahn R,Trézéguet V,Lauquin GJ,Brandolin G

更新日期：2003-11-06 00:00:00

abstract：:Transposable elements of DNA that are structurally defined and genetically discrete units seem to have an important role in the evolution of bacterial plasmids. Recombination occurring at the termini of such elements can result in the joining together of unrelated DNA segments that lack extensive nucleotide sequence h...

journal_title：Nature

authors： Cohen SN

更新日期：1976-10-28 00:00:00

abstract：:Cyclic GMP has been implicated as a messenger molecule involved in visual transduction. Photoexcited rhodopsin (R*) binds to a multisubunit membrane protein called transducin (T) and stimulates the exchange of a bound GDP molecule for GTP. This leads to the release of the alpha-subunit of T with bound GTP (T alpha-GTP...

journal_title：Nature

authors： Vuong TM,Chabre M,Stryer L

更新日期：1984-10-18 00:00:00

abstract：:The nature of ultrahigh-energy cosmic rays (UHECRs) at energies >10(20) eV remains a mystery. They are likely to be of extragalactic origin, but should be absorbed within approximately 50 Mpc through interactions with the cosmic microwave background. As there are no sufficiently powerful accelerators within this dista...

journal_title：Nature

authors： Falcke H,Apel WD,Badea AF,Bähren L,Bekk K,Bercuci A,Bertaina M,Biermann PL,Blümer J,Bozdog H,Brancus IM,Buitink S,Brüggemann M,Buchholz P,Butcher H,Chiavassa A,Daumiller K,de Bruyn AG,de Vos CM,Di Pierro F,Doll P

更新日期：2005-05-19 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：:Tissue-resident memory T (TRM) cells persist indefinitely in epithelial barrier tissues and protect the host against pathogens. However, the biological pathways that enable the long-term survival of TRM cells are obscure. Here we show that mouse CD8+ TRM cells generated by viral infection of the skin differentially ex...

journal_title：Nature

authors： Pan Y,Tian T,Park CO,Lofftus SY,Mei S,Liu X,Luo C,O'Malley JT,Gehad A,Teague JE,Divito SJ,Fuhlbrigge R,Puigserver P,Krueger JG,Hotamisligil GS,Clark RA,Kupper TS

更新日期：2017-03-09 00:00:00

abstract：:The ability of mass spectrometry to generate intact biomolecular ions efficiently in the gas phase has led to its widespread application in metabolomics, proteomics, biological imaging, biomarker discovery and clinical assays (namely neonatal screens). Matrix-assisted laser desorption/ionization (MALDI) and electrospr...

journal_title：Nature

authors： Northen TR,Yanes O,Northen MT,Marrinucci D,Uritboonthai W,Apon J,Golledge SL,Nordström A,Siuzdak G

更新日期：2007-10-25 00:00:00

abstract：:Escherichia coli RNA polymerase (RNAP) synthesizes RNA with remarkable fidelity in vivo. Its low error rate may be achieved by means of a 'proofreading' mechanism comprised of two sequential events. The first event (backtracking) involves a transcriptionally upstream motion of RNAP through several base pairs, which ca...

journal_title：Nature

authors： Shaevitz JW,Abbondanzieri EA,Landick R,Block SM

更新日期：2003-12-11 00:00:00

abstract：:The nucleosome subunit of chromatin consists of DNA folded around a histone core as a 1.8-turn left-handed solenoid. The crystal structure of the nucleosome core particle revealed that it has a dyad symmetry axis and that the minor helix groove faces outwards from the protein core. Richmond et al. noticed that the pat...

journal_title：Nature

authors： Hogan ME,Rooney TF,Austin RH

更新日期：1987-08-06 00:00:00

abstract：:Atmospheric carbon dioxide concentrations seem to have been several times modern levels during much of the Palaeozoic era (543-248 million years ago), but decreased during the Carboniferous period to concentrations similar to that of today. Given that carbon dioxide is a greenhouse gas, it has been proposed that surfa...

journal_title：Nature

authors： Came RE,Eiler JM,Veizer J,Azmy K,Brand U,Weidman CR

更新日期：2007-09-13 00:00:00

abstract：:It is commonly assumed that certain features are so elementary to the visual system that they require no attentional resources to be perceived. Such 'preattentive' features are traditionally identified by visual search performance, in which the reaction time for detecting a feature difference against a set of distract...

journal_title：Nature

authors： Joseph JS,Chun MM,Nakayama K

更新日期：1997-06-19 00:00:00

abstract：:The complexity of ecosystems can cause subtle and chaotic responses to changes in external forcing. Although ecosystems may not normally behave chaotically, sensitivity to external influences associated with nonlinearity can lead to amplification of climatic signals. Strong correlations between an El Niño index and ra...

journal_title：Nature

authors： Taylor AH,Allen JI,Clark PA

更新日期：2002-04-11 00:00:00

abstract：:Molecular spectroscopy offers opportunities for the exploration of the fundamental laws of nature and the search for new particle physics beyond the standard model1-4. Radioactive molecules-in which one or more of the atoms possesses a radioactive nucleus-can contain heavy and deformed nuclei, offering high sensitivit...

journal_title：Nature

authors： Garcia Ruiz RF,Berger R,Billowes J,Binnersley CL,Bissell ML,Breier AA,Brinson AJ,Chrysalidis K,Cocolios TE,Cooper BS,Flanagan KT,Giesen TF,de Groote RP,Franchoo S,Gustafsson FP,Isaev TA,Koszorús Á,Neyens G,Perrett HA

更新日期：2020-05-01 00:00:00

abstract：:Selective lowering of Abeta42 levels (the 42-residue isoform of the amyloid-beta peptide) with small-molecule gamma-secretase modulators (GSMs), such as some non-steroidal anti-inflammatory drugs, is a promising therapeutic approach for Alzheimer's disease. To identify the target of these agents we developed biotinyla...

journal_title：Nature

authors： Kukar TL,Ladd TB,Bann MA,Fraering PC,Narlawar R,Maharvi GM,Healy B,Chapman R,Welzel AT,Price RW,Moore B,Rangachari V,Cusack B,Eriksen J,Jansen-West K,Verbeeck C,Yager D,Eckman C,Ye W,Sagi S,Cottrell BA,Torpey J

更新日期：2008-06-12 00:00:00

abstract：:As an approach to the study of the kind of chemical process that might have contributed to the origin of life, attempts have been made to develop purely chemical systems in which oligonucleotides self-replicate. Although performed oligonucleotides have been shown to facilitate the formation of their complements from a...

journal_title：Nature

authors： Zielinski WS,Orgel LE

更新日期：1987-05-28 00:00:00

abstract：:Immune-challenged vertebrate females transfer specific antibodies to their offspring, but this gratuitous immunity cannot operate in invertebrates. Here we show that constitutive immune defence is enhanced in sexual offspring of the bumble-bee Bombus terrestris L. when the parental colony is immune-challenged. Our fin...

journal_title：Nature

authors： Moret Y,Schmid-Hempel P

更新日期：2001-11-29 00:00:00

abstract：:Despite the introduction of antiproliferative drug-eluting stents, coronary heart disease remains the leading cause of death in the United States. In-stent restenosis and bypass graft failure are characterized by excessive smooth muscle cell (SMC) proliferation and concomitant myointima formation with luminal oblitera...

journal_title：Nature

authors： Deuse T,Hua X,Wang D,Maegdefessel L,Heeren J,Scheja L,Bolaños JP,Rakovic A,Spin JM,Stubbendorff M,Ikeno F,Länger F,Zeller T,Schulte-Uentrop L,Stoehr A,Itagaki R,Haddad F,Eschenhagen T,Blankenberg S,Kiefmann R,Reic

更新日期：2014-05-29 00:00:00

abstract：:The radio sky is relatively unexplored for transient signals, although the potential of radio-transient searches is high. This was demonstrated recently by the discovery of a previously unknown type of source, varying on timescales of minutes to hours. Here we report a search for radio sources that vary on much shorte...

journal_title：Nature

authors： McLaughlin MA,Lyne AG,Lorimer DR,Kramer M,Faulkner AJ,Manchester RN,Cordes JM,Camilo F,Possenti A,Stairs IH,Hobbs G,D'Amico N,Burgay M,O'Brien JT

更新日期：2006-02-16 00:00:00

abstract：:The presence of large Northern Hemisphere ice sheets and reduced greenhouse gas concentrations during the Last Glacial Maximum fundamentally altered global ocean-atmosphere climate dynamics. Model simulations and palaeoclimate records suggest that glacial boundary conditions affected the El Niño-Southern Oscillation, ...

journal_title：Nature

authors： Jones TR,Roberts WHG,Steig EJ,Cuffey KM,Markle BR,White JWC

更新日期：2018-02-15 00:00:00

abstract：:The human T-cell leukaemia and differentiation antigen HTA 1 is defined by the monoclonal antibody NA1/34 (ref. 1) and also recognized by the monoclonal antibody OKT6. Like class I products of the human major histocompatibility complex, it has a glycosylated heavy (alpha) chain of approximately 45-50,000 molecular wei...

journal_title：Nature

authors： Kefford RF,Calabi F,Fearnley IM,Burrone OR,Milstein C

更新日期：1984-04-12 00:00:00

abstract：:Many homeobox genes are clustered in a linear array along a chromosome, reflecting their ordered expression along the anterior-posterior axis of the embryo. Expression patterns as well as grafting, ectopic expression and loss-of-function experiments suggest that the Hox genes encode a combinatorial system of positiona...

journal_title：Nature

authors： Roberts CW,Shutter JR,Korsmeyer SJ

更新日期：1994-04-21 00:00:00

abstract：:On 12 May 2008, the devastating magnitude 7.9 (Wenchuan) earthquake struck the eastern edge of the Tibetan plateau, collapsing buildings and killing thousands in major cities aligned along the western Sichuan basin in China. After such a large-magnitude earthquake, rearrangement of stresses in the crust commonly leads...

journal_title：Nature

authors： Parsons T,Ji C,Kirby E

更新日期：2008-07-24 00:00:00

abstract：:Understanding the nature and origin of the asteroid population in Earth's vicinity (near-Earth asteroids, and its subset of potentially hazardous asteroids) is a matter of both scientific interest and practical importance. It is generally expected that the compositions of the asteroids that are most likely to hit Eart...

journal_title：Nature

authors： Vernazza P,Binzel RP,Thomas CA,DeMeo FE,Bus SJ,Rivkin AS,Tokunaga AT

更新日期：2008-08-14 00:00:00