The structure of an oligo(dA).oligo(dT) tract and its biological implications.

abstract：:The emission of isoprene from the leaves of forest trees is a fundamental component of biosphere-atmosphere interactions, controlling many aspects of photochemistry in the lower atmosphere. As almost all commercial agriforest species emit high levels of isoprene, proliferation of agriforest plantations has significant...

journal_title：Nature

authors： Rosenstiel TN,Potosnak MJ,Griffin KL,Fall R,Monson RK

更新日期：2003-01-16 00:00:00

abstract：:Protein folding and binding are analogous processes, in which the protein 'searches' for favourable intramolecular or intermolecular interactions on a funnelled energy landscape. Many eukaryotic proteins are disordered under physiological conditions, and fold into ordered structures only on binding to their cellular t...

journal_title：Nature

authors： Sugase K,Dyson HJ,Wright PE

更新日期：2007-06-21 00:00:00

abstract：:Quantum superposition lies at the heart of quantum mechanics and gives rise to many of its paradoxes. Superposition of de Broglie matter waves' has been observed for massive particles such as electrons, atoms and dimers, small van der Waals clusters, and neutrons. But matter wave interferometry with larger objects has...

journal_title：Nature

authors： Arndt M,Nairz O,Vos-Andreae J,Keller C,van der Zouw G,Zeilinger A

更新日期：1999-10-14 00:00:00

abstract：:Immunization of male and female animals with extracts of whole sperm cells is known to cause infertility. Also, men and women who spontaneously produce antisperm antibodies are infertile but otherwise healthy. Although the critical sperm antigens are unknown, these observations have led to the proposal that sperm prot...

journal_title：Nature

authors： Primakoff P,Lathrop W,Woolman L,Cowan A,Myles D

更新日期：1988-10-06 00:00:00

abstract：:The planet in the system HD209458 is the first one for which repeated transits across the stellar disk have been observed. Together with radial velocity measurements, this has led to a determination of the planet's radius and mass, confirming it to be a gas giant. But despite numerous searches for an atmospheric signa...

journal_title：Nature

authors： Vidal-Madjar A,Des Etangs AL,Désert JM,Ballester GE,Ferlet R,Hébrard G,Mayor M

更新日期：2003-03-13 00:00:00

abstract：:The Milankovitch theory states that global climate variability on orbital timescales from tens to hundreds of thousands of years is dominated by the summer insolation at high northern latitudes. The supporting evidence includes reconstructed air temperatures in Antarctica that are nearly in phase with boreal summer in...

journal_title：Nature

authors： Laepple T,Werner M,Lohmann G

更新日期：2011-03-03 00:00:00

abstract：:During attempts to select nonsecretory variants from 0.467.3, and Epstein-Barr virus-transformed human lymphoblastoid cell line that secretes small amounts of IgM lambda, we exposed the cells to UV light. Cells that survived the irradiation were subcultured and their supernatants were screened for immunoglobulin produ...

journal_title：Nature

authors： Rosén A,Klein G

更新日期：1983-11-10 00:00:00

abstract：:We describe here a new view of primary visual cortex (V1) based on measurements of neural responses in V1 to patterns called 'illusory contours' (Fig. 1a, b). Detection of an object's boundary contours is a fundamental visual task. Boundary contours are defined by discontinuities not only in luminance and colour, but ...

journal_title：Nature

authors： Grosof DH,Shapley RM,Hawken MJ

更新日期：1993-10-07 00:00:00

abstract：:T-cell factor (TCF), a high-mobility-group domain protein, is the transcription factor activated by Wnt/Wingless signalling. When signalling occurs, TCF binds to its coactivator, beta-catenin/Armadillo, and stimulates the transcription of the target genes of Wnt/Wingless by binding to TCF-responsive enhancers. Inappro...

journal_title：Nature

authors： Waltzer L,Bienz M

更新日期：1998-10-01 00:00:00

abstract：:Accurate chromosome segregation requires timely dissolution of chromosome cohesion after chromosomes are properly attached to the mitotic spindle. Separase is absolutely essential for cohesion dissolution in organisms from yeast to man. It cleaves the kleisin subunit of cohesin and opens the cohesin ring to allow chro...

journal_title：Nature

authors： Lin Z,Luo X,Yu H

更新日期：2016-04-07 00:00:00

abstract：:The interplay between magnetic fields and interacting particles can lead to exotic phases of matter that exhibit topological order and high degrees of spatial entanglement. Although these phases were discovered in a solid-state setting, recent innovations in systems of ultracold neutral atoms-uncharged atoms that do n...

journal_title：Nature

authors： Tai ME,Lukin A,Rispoli M,Schittko R,Menke T,Dan Borgnia,Preiss PM,Grusdt F,Kaufman AM,Greiner M

更新日期：2017-06-21 00:00:00

abstract：:Ubiquitin (Ub) has important roles in a wide range of intracellular signalling pathways. In the conventional view, ubiquitin alters the signalling activity of the target protein through covalent modification, but accumulating evidence points to the emerging role of non-covalent interaction between ubiquitin and the ta...

journal_title：Nature

authors： Peisley A,Wu B,Xu H,Chen ZJ,Hur S

更新日期：2014-05-01 00:00:00

abstract：:AMPA (α-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid)-subtype ionotropic glutamate receptors mediate fast excitatory neurotransmission throughout the central nervous system. Gated by the neurotransmitter glutamate, AMPA receptors are critical for synaptic strength, and dysregulation of AMPA receptor-mediated si...

journal_title：Nature

authors： Twomey EC,Yelshanskaya MV,Grassucci RA,Frank J,Sobolevsky AI

更新日期：2017-09-07 00:00:00

abstract：:Prions are believed to be infectious, self-propagating polymers of otherwise soluble, host-encoded proteins. This concept is now strongly supported by the recent findings that amyloid fibrils of recombinant prion proteins from yeast, Podospora anserina and mammals can induce prion phenotypes in the corresponding hosts...

journal_title：Nature

authors： Ritter C,Maddelein ML,Siemer AB,Lührs T,Ernst M,Meier BH,Saupe SJ,Riek R

更新日期：2005-06-09 00:00:00

abstract：:Diseases of the vascular system result from a complex mixture of genetic and environmental factors. Data sets, technologies and strategies emanating from the human genome programme have been applied to the analysis of both rare single-gene and common multigenic vascular disorders. Genomic approaches including inter- a...

journal_title：Nature

authors： Rubin EM,Tall A

更新日期：2000-09-14 00:00:00

abstract：:Galactic cosmic rays (CRs) are widely believed to be accelerated by shock waves associated with the expansion of supernova ejecta into the interstellar medium. A key issue in this long-standing conjecture is a theoretical prediction that the interstellar magnetic field can be substantially amplified at the shock of a ...

journal_title：Nature

authors： Uchiyama Y,Aharonian FA,Tanaka T,Takahashi T,Maeda Y

更新日期：2007-10-04 00:00:00

abstract：:The "Gardner hypothesis" suggests that an excess of childhood leukaemia near a nuclear reprocessing plant is caused by paternal exposure to ionizing radiation. But the evidence shows that this explanation is wrong. ...

journal_title：Nature

authors： Doll R,Evans HJ,Darby SC

更新日期：1994-02-24 00:00:00

abstract：:Tumour suppressor genes (TSGs) inhibiting normal cellular growth are frequently silenced epigenetically in cancer. DNA methylation is commonly associated with TSG silencing, yet mutations in the DNA methylation initiation and recognition machinery in carcinogenesis are unknown. An intriguing possible mechanism for gen...

journal_title：Nature

authors： Yu W,Gius D,Onyango P,Muldoon-Jacobs K,Karp J,Feinberg AP,Cui H

更新日期：2008-01-10 00:00:00

abstract：:Transition-metal perovskite oxides exhibit a wide range of extraordinary but imperfectly understood phenomena. The best known examples are high-temperature superconductivity in copper oxides, and colossal magnetoresistance in manganese oxides ('manganites'). All of these materials undergo a range of order-disorder tra...

journal_title：Nature

authors： Renner Ch,Aeppli G,Kim BG,Soh YA,Cheong SW

更新日期：2002-04-04 00:00:00

abstract：:Many extensions of the Standard Model of particle physics explain the dominance of matter over antimatter in our Universe by neutrinos being their own antiparticles. This would imply the existence of neutrinoless double-β decay, which is an extremely rare lepton-number-violating radioactive decay process whose detecti...

journal_title：Nature

authors： GERDA Collaboration.

更新日期：2017-04-05 00:00:00

abstract：:The type I interferon response protects cells against invading viral pathogens. The cellular factors that mediate this defence are the products of interferon-stimulated genes (ISGs). Although hundreds of ISGs have been identified since their discovery more than 25 years ago, only a few have been characterized with res...

journal_title：Nature

authors： Schoggins JW,Wilson SJ,Panis M,Murphy MY,Jones CT,Bieniasz P,Rice CM

更新日期：2011-04-28 00:00:00

abstract：:Prized for their ability to rapidly generate chemical complexity by building new ring systems and stereocentres1, cycloaddition reactions have featured in numerous total syntheses2 and are a key component in the education of chemistry students3. Similarly, carbon-carbon (C-C) cross-coupling methods are integral to syn...

journal_title：Nature

authors： Chen TG,Barton LM,Lin Y,Tsien J,Kossler D,Bastida I,Asai S,Bi C,Chen JS,Shan M,Fang H,Fang FG,Choi HW,Hawkins L,Qin T,Baran PS

更新日期：2018-08-01 00:00:00

abstract：:The visual recognition of three-dimensional (3-D) objects on the basis of their shape poses at least two difficult problems. First, there is the problem of variable illumination, which can be addressed by working with relatively stable features such as intensity edges rather than the raw intensity images. Second, ther...

journal_title：Nature

authors： Poggio T,Edelman S

更新日期：1990-01-18 00:00:00

abstract：:Humans have engaged in endurance running for millions of years, but the modern running shoe was not invented until the 1970s. For most of human evolutionary history, runners were either barefoot or wore minimal footwear such as sandals or moccasins with smaller heels and little cushioning relative to modern running sh...

journal_title：Nature

authors： Lieberman DE,Venkadesan M,Werbel WA,Daoud AI,D'Andrea S,Davis IS,Mang'eni RO,Pitsiladis Y

更新日期：2010-01-28 00:00:00

abstract：:Susceptibility to some human diseases is linked, albeit weakly, to major transplantation antigens (HLA) encoded by the major histocompatibility gene complex (MHC). Here we have studied MHC/disease association in inbred strains of mice after intracerebral (i.c.) injection of lymphocytic choriomeningitis virus (LCMV). T...

journal_title：Nature

authors： Zinkernagel RM,Pfau CJ,Hengartner H,Althage A

更新日期：1985-08-29 00:00:00

abstract：:Nucleosomal DNA is arranged in a higher-order structure that presents a barrier to most cellular processes involving protein DNA interactions. The cellular machinery involved in sister chromatid cohesion, the cohesin complex, also requires access to the nucleosomal DNA to perform its function in chromosome segregation...

journal_title：Nature

authors： Hakimi MA,Bochar DA,Schmiesing JA,Dong Y,Barak OG,Speicher DW,Yokomori K,Shiekhattar R

更新日期：2002-08-29 00:00:00

abstract：:The human alpha-interferon (IFN-alpha) gene family consists of at least 14 potentially functional non-allelic members; the amino acid sequences they encode differ from each other by up to approximately 20% of their residues. Human IFN-beta, which is encoded by a single gene, is distantly related to the IFN-alpha famil...

journal_title：Nature

authors： Valenzuela D,Weber H,Weissmann C

更新日期：1985-02-21 00:00:00

abstract：:Studies of galaxy surveys in the context of the cold dark matter paradigm have shown that the mass of the dark matter halo and the total stellar mass are coupled through a function that varies smoothly with mass. Their average ratio Mhalo/Mstars has a minimum of about 30 for galaxies with stellar masses near that of t...

journal_title：Nature

authors： van Dokkum P,Danieli S,Cohen Y,Merritt A,Romanowsky AJ,Abraham R,Brodie J,Conroy C,Lokhorst D,Mowla L,O'Sullivan E,Zhang J

更新日期：2018-03-28 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：:Single-stranded DNA can fold into well-defined sequence-dependent tertiary structures that specifically bind a variety of target molecules, raising the possibility that some folded single-stranded DNAs might exhibit catalytic activities similar to those of ribozymes and protein enzymes. Derivatives of the hammerhead r...

journal_title：Nature

authors： Cuenoud B,Szostak JW

更新日期：1995-06-15 00:00:00