A universal nucleoside for use at ambiguous sites in DNA primers.

abstract：:The gene IL2RG encodes the gamma-chain of the interleukin-2 receptor and is mutated in patients with X-linked severe combined immune deficiency (X-SCID). Woods et al. report the development of thymus tumours in a mouse model of X-SCID after correction by lentiviral overexpression of IL2RG and claim that these were cau...

journal_title：Nature

authors： Pike-Overzet K,de Ridder D,Weerkamp F,Baert MR,Verstegen MM,Brugman MH,Howe SJ,Reinders MJ,Thrasher AJ,Wagemaker G,van Dongen JJ,Staal FJ

更新日期：2006-09-21 00:00:00

abstract：:Membrane-bound receptors often form large assemblies resulting from binding to soluble ligands, cell-surface molecules on other cells and extracellular matrix proteins. For example, the association of membrane proteins with proteins on different cells (trans-interactions) can drive the oligomerization of proteins on t...

journal_title：Nature

authors： Wu Y,Vendome J,Shapiro L,Ben-Shaul A,Honig B

更新日期：2011-07-27 00:00:00

abstract：:The Earth has distinctive convective behaviour, described by the plate tectonics model, in which lateral motion of the oceanic lithosphere of basaltic crust and peridotitic uppermost mantle is decoupled from the underlying mechanically weaker upper mantle (asthenosphere). The reason for differentiation at the lithosph...

journal_title：Nature

authors： Green DH,Hibberson WO,Kovács I,Rosenthal A

更新日期：2010-09-23 00:00:00

abstract：:Advances in genetics and genomics have fuelled a revolution in discovery-based, or hypothesis-generating, research that provides a powerful complement to the more directly hypothesis-driven molecular, cellular and systems neuroscience. Genetic and functional genomic studies have already yielded important insights into...

journal_title：Nature

authors： Geschwind DH,Konopka G

更新日期：2009-10-15 00:00:00

abstract：:Variation in ways in which proteins can identify and lock on to genes due for transcription is illuminated by studies of the Arc repressor, which has a beta-sheet, rather than alpha-helical, recognition motif. ...

journal_title：Nature

authors： Riddihough G

更新日期：1994-03-03 00:00:00

abstract：:RecBCD is a multi-functional enzyme complex that processes DNA ends resulting from a double-strand break. RecBCD is a bipolar helicase that splits the duplex into its component strands and digests them until encountering a recombinational hotspot (Chi site). The nuclease activity is then attenuated and RecBCD loads Re...

journal_title：Nature

authors： Singleton MR,Dillingham MS,Gaudier M,Kowalczykowski SC,Wigley DB

更新日期：2004-11-11 00:00:00

abstract：:Locomotion relies on neural networks called central pattern generators (CPGs) that generate periodic motor commands for rhythmic movements. In vertebrates, the excitatory synaptic drive for inducing the spinal CPG can originate from either supraspinal glutamatergic inputs or from within the spinal cord. Here we identi...

journal_title：Nature

authors： Wyart C,Del Bene F,Warp E,Scott EK,Trauner D,Baier H,Isacoff EY

更新日期：2009-09-17 00:00:00

abstract：:Molecules capable of mimicking the function of a wide range of mechanical devices have been fabricated, with motors that can induce mechanical movement attracting particular attention. Such molecular motors convert light or chemical energy into directional rotary or linear motion, and are usually prepared and operated...

journal_title：Nature

authors： van Delden RA,ter Wiel MK,Pollard MM,Vicario J,Koumura N,Feringa BL

更新日期：2005-10-27 00:00:00

abstract：: ...

journal_title：Nature

authors： Ainsworth C

更新日期：2017-11-08 00:00:00

abstract：:Gap junction channels are structurally distinct from other ion channels in that they comprise two hemichannels which interact head-to-head to form an aqueous channel between cells. Intercellular voltage differences together with increased intracellular concentrations of H+ and Ca2+ cause closure of these normally pate...

journal_title：Nature

authors： Suchyna TM,Xu LX,Gao F,Fourtner CR,Nicholson BJ

更新日期：1993-10-28 00:00:00

abstract：:Anti-inflammatory glucocorticoids inhibit prostaglandin (PG) biosynthesis by preventing arachidonic acid release from phospholipids rather than inhibiting the cyclooxygenase. As in other cells, this steroid action depends on receptor occupation and de novo protein/RNA biosynthesis. We have previously shown in guinea p...

journal_title：Nature

authors： Blackwell GJ,Carnuccio R,Di Rosa M,Flower RJ,Parente L,Persico P

更新日期：1980-09-11 00:00:00

abstract：:Transplantation surgery, which is limited by the supply and short-term viability of fresh donor organs, would be revolutionized if these could survive freezing, but early claims of cryopreservation were never realized. Here we describe the successful transplantation in rats of ovaries, fallopian tubes and the upper se...

journal_title：Nature

authors： Wang X,Chen H,Yin H,Kim SS,Lin Tan S,Gosden RG

更新日期：2002-01-24 00:00:00

abstract：:One of the main unanswered questions in solar physics is why the Sun's outer atmosphere is hotter than its surface. Theory predicts abundant production of high-frequency (10-50 mHz) acoustic waves in subsurface layers of the Sun, and such waves are believed by many to constitute the dominant heating mechanism of the c...

journal_title：Nature

authors： Fossum A,Carlsson M

更新日期：2005-06-16 00:00:00

abstract：:Alternative splicing of pre-messenger RNAs diversifies gene products in eukaryotes and is guided by factors that enable spliceosomes to recognize particular splice sites. Here we report that alternative splicing of Saccharomyces cerevisiae SRC1 pre-mRNA is promoted by the conserved ubiquitin-like protein Hub1. Structu...

journal_title：Nature

authors： Mishra SK,Ammon T,Popowicz GM,Krajewski M,Nagel RJ,Ares M Jr,Holak TA,Jentsch S

更新日期：2011-05-25 00:00:00

abstract：:The formation of precise connections between retina and lateral geniculate nucleus (LGN) involves the activity-dependent elimination of some synapses, with strengthening and retention of others. Here we show that the major histocompatibility complex (MHC) class I molecule H2-D(b) is necessary and sufficient for synaps...

journal_title：Nature

authors： Lee H,Brott BK,Kirkby LA,Adelson JD,Cheng S,Feller MB,Datwani A,Shatz CJ

更新日期：2014-05-08 00:00:00

abstract：:Water masers are found in dense molecular clouds closely associated with supermassive black holes at the centres of active galaxies. On the basis of the understanding of the local water-maser luminosity function, it was expected that masers at intermediate and high redshifts would be extremely rare. However, galaxies ...

journal_title：Nature

authors： Impellizzeri CM,McKean JP,Castangia P,Roy AL,Henkel C,Brunthaler A,Wucknitz O

更新日期：2008-12-18 00:00:00

abstract：:Group selection may be defined as selection caused by the differential extinction or proliferation of groups. The socially polymorphic spider Anelosimus studiosus exhibits a behavioural polymorphism in which females exhibit either a 'docile' or 'aggressive' behavioural phenotype. Natural colonies are composed of a mix...

journal_title：Nature

authors： Pruitt JN,Goodnight CJ

更新日期：2014-10-16 00:00:00

abstract：:An experiment by the Gates Foundation is food for thought for other research agencies. ...

journal_title：Nature

authors：

更新日期：2008-10-30 00:00:00

abstract：:Light usually propagates inside transparent materials in well known ways. However, recent research has examined the possibility of modifying the way the light travels by taking a normal transparent dielectric and inserting tiny metallic inclusions of various shapes and arrangements. As light passes through these struc...

journal_title：Nature

authors： Tsakmakidis KL,Boardman AD,Hess O

更新日期：2007-11-15 00:00:00

abstract：:The characterization of HIV-1 (HTLV-III/LAV), the human retrovirus associated with AIDS (acquired immune deficiency syndrome) has led to the identification of a group of related human and simian retroviruses which also infect CD4-bearing T lymphocytes. Simian T-lymphotropic virus type III (simian immodeficiency virus)...

journal_title：Nature

authors： Franchini G,Gurgo C,Guo HG,Gallo RC,Collalti E,Fargnoli KA,Hall LF,Wong-Staal F,Reitz MS Jr

更新日期：1987-08-06 00:00:00

abstract：:We have previously identified a structurally abnormal insulin in the serum and pancreas of a middle-aged man with diabetes mellitus which arose from a leucine for phenylalanine substitution at position 24 or 25 of the insulin B chain; further analysis of the patient's leukocyte DNA showed that one of the patient's ins...

journal_title：Nature

authors： Shoelson S,Haneda M,Blix P,Nanjo A,Sanke T,Inouye K,Steiner D,Rubenstein A,Tager H

更新日期：1983-04-07 00:00:00

abstract：:In many cell types, receptor-mediated Ca2+ release from internal stores is followed by Ca2+ influx across the plasma membrane. The sustained entry of Ca2+ is thought to result partly from the depletion of intracellular Ca2+ pools. Most investigations have characterized Ca2+ influx indirectly by measuring Ca(2+)-activa...

journal_title：Nature

authors： Hoth M,Penner R

更新日期：1992-01-23 00:00:00

abstract：:Amyloid beta-protein (AP) is a peptide of relative molecular mass (Mr) 42,000 found in the senile plaques, cerebrovascular amyloid deposits, and neurofibrillary tangles of patients with Alzheimer's disease and Down's syndrome (trisomy 21). Recent molecular genetic evidence has indicated that AP is encoded as part of a...

journal_title：Nature

authors： Tanzi RE,St George-Hyslop PH,Haines JL,Polinsky RJ,Nee L,Foncin JF,Neve RL,McClatchey AI,Conneally PM,Gusella JF

更新日期：1987-09-10 00:00:00

abstract：:The neurotransmitters glutamate and γ-aminobutyric acid (GABA) transmit synaptic signals by activating fast-acting ligand-gated ion channels and more slowly acting G-protein-coupled receptors (GPCRs). The GPCRs for these neurotransmitters, metabotropic glutamate (mGlu) and GABAB receptors, are atypical GPCRs with a la...

journal_title：Nature

authors： Pin JP,Bettler B

更新日期：2016-12-01 00:00:00

abstract：:The angle between the spin of a star and the orbital planes of its planets traces the history of the planetary system. Exoplanets orbiting close to cool stars are expected to be on circular, aligned orbits because of strong tidal interactions with the stellar convective envelope. Spin-orbit alignment can be measured w...

journal_title：Nature

authors： Bourrier V,Lovis C,Beust H,Ehrenreich D,Henry GW,Astudillo-Defru N,Allart R,Bonfils X,Ségransan D,Delfosse X,Cegla HM,Wyttenbach A,Heng K,Lavie B,Pepe F

更新日期：2018-01-25 00:00:00

abstract：:Observations from Earth-orbiting satellites have been a key component in monitoring climate change for the past two decades. This has become possible with the availability of air temperatures from the Microwave Sounding Unit (MSU) since 1979, sea surface temperatures from the Advanced Very High Resolution Radiometer (...

journal_title：Nature

authors： Wentz FJ,Schabel M

更新日期：2000-01-27 00:00:00

abstract：:Despite tremendous efforts, development of an effective vaccine against human immunodeficiency virus (HIV) has proved an elusive goal. Recently, however, numerous antibodies have been identified that are capable of neutralizing most circulating HIV strains. These antibodies all exhibit an unusually high level of somat...

journal_title：Nature

authors： Balazs AB,Chen J,Hong CM,Rao DS,Yang L,Baltimore D

更新日期：2011-11-30 00:00:00

abstract：:Conjugate (or 1,4-) additions of carbanionic species to α,β-unsaturated carbonyl compounds are vital to research in organic and medicinal chemistry, and there are several chiral catalysts that facilitate the catalytic enantioselective additions of nucleophiles to enoates. Nonetheless, catalytic enantioselective 1,6-co...

journal_title：Nature

authors： Meng F,Li X,Torker S,Shi Y,Shen X,Hoveyda AH

更新日期：2016-09-15 00:00:00

abstract：:Large low-velocity seismic anomalies have been detected in the Earth's lower mantle beneath Africa and the Pacific Ocean that are not easily explained by temperature variations alone. The African anomaly has been interpreted to be a northwest-southeast-trending structure with a sharp-edged linear, ridge-like morpholog...

journal_title：Nature

authors： McNamara AK,Zhong S

更新日期：2005-10-20 00:00:00

abstract：:Carbon chemistry exhibits a rich variety in bonding patterns, with homo- or heteronuclear multiple bonds involving sp-hybridized carbon atoms as found in molecules such as acetylenes, nitriles, allenes and carbon dioxide. Carbon's heavier homologues in group 14 of the periodic table--including silicon, germanium and t...

journal_title：Nature

authors： Ishida S,Iwamoto T,Kabuto C,Kira M

更新日期：2003-02-13 00:00:00