Evolutionary relationships of human populations from an analysis of nuclear DNA polymorphisms.

abstract：:The Axl receptor tyrosine kinase was identified as a protein encoded by a transforming gene from primary human myeloid leukaemia cells by DNA-mediated transformation of NIH 3T3 cells. Axl is the founding member of a family of related receptors that includes Eyk, encoded by a chicken proto-oncogene originally described...

journal_title：Nature

authors： Varnum BC,Young C,Elliott G,Garcia A,Bartley TD,Fridell YW,Hunt RW,Trail G,Clogston C,Toso RJ

更新日期：1995-02-16 00:00:00

abstract：:Fast radio bursts (FRBs) are millisecond-duration radio transients1,2 of unknown origin. Two possible mechanisms that could generate extremely coherent emission from FRBs invoke neutron star magnetospheres3-5 or relativistic shocks far from the central energy source6-8. Detailed polarization observations may help us t...

journal_title：Nature

authors： Luo R,Wang BJ,Men YP,Zhang CF,Jiang JC,Xu H,Wang WY,Lee KJ,Han JL,Zhang B,Caballero RN,Chen MZ,Chen XL,Gan HQ,Guo YJ,Hao LF,Huang YX,Jiang P,Li H,Li J,Li ZX,Luo JT,Pan J,Pei X,Qian L,Sun JH,Wang M,Wa

更新日期：2020-10-01 00:00:00

abstract：:The mouse major transplantation antigens H-2K, H-2D and H-2L are highly polymorphic cell-surface glycoproteins which may serve as recognition elements in cell-cell interactions. Each antigen possesses a number of alloantigenic determinants defined by antisera of various specificities. Recently, monoclonal antibodies h...

journal_title：Nature

authors： Evans GA,Margulies DH,Shykind B,Seidman JG,Ozato K

更新日期：1982-12-23 00:00:00

abstract：:Immune recognition of protein antigens relies on the combined interaction of multiple antibody loops, which provide a fairly large footprint and constrain the size and shape of protein surfaces that can be targeted. Single protein loops can mediate extremely high-affinity binding, but it is unclear whether such a mech...

journal_title：Nature

authors： Ekiert DC,Kashyap AK,Steel J,Rubrum A,Bhabha G,Khayat R,Lee JH,Dillon MA,O'Neil RE,Faynboym AM,Horowitz M,Horowitz L,Ward AB,Palese P,Webby R,Lerner RA,Bhatt RR,Wilson IA

更新日期：2012-09-27 00:00:00

abstract：:Applications are emerging that require the creation of fine-scale structures in three dimensions--examples include scaffolds for tissue engineering, micro-fluidic devices and photonic materials that control light propagation over a range of frequencies. But writing methods such as dip-pen nanolithography and ink-jet p...

journal_title：Nature

authors： Gratson GM,Xu M,Lewis JA

更新日期：2004-03-25 00:00:00

abstract：:Many animals are regarded as relatively sedentary and specialized in marginal parts of their geographical distributions. They are expected to be slow at colonizing new habitats. Despite this, the cool margins of many species' distributions have expanded rapidly in association with recent climate warming. We examined f...

journal_title：Nature

authors： Thomas CD,Bodsworth EJ,Wilson RJ,Simmons AD,Davies ZG,Musche M,Conradt L

更新日期：2001-05-31 00:00:00

abstract：:Mammalian telomeres repress DNA-damage activation at natural chromosome ends by recruiting specific inhibitors of the DNA-damage machinery that form a protective complex termed shelterin. Within this complex, TRF2 (also known as TERF2) has a crucial role in end protection through the suppression of ATM activation and ...

journal_title：Nature

authors： Okamoto K,Bartocci C,Ouzounov I,Diedrich JK,Yates JR 3rd,Denchi EL

更新日期：2013-02-28 00:00:00

abstract：:The signature of Dansgaard-Oeschger events--millennial-scale abrupt climate oscillations during the last glacial period--is well established in ice cores and marine records. But the effects of such events in continental settings are not as clear, and their absolute chronology is uncertain beyond the limit of (14)C dat...

journal_title：Nature

authors： Genty D,Blamart D,Ouahdi R,Gilmour M,Baker A,Jouzel J,Van-Exter S

更新日期：2003-02-20 00:00:00

abstract：:Two cytosolic fractions (A and B) from Xenopus oocytes are sufficient to support protein import into the nuclei of digitonin-permeabilized cells. Fraction A recognizes the nuclear localization sequence (NLS) and binds the import substrate to the nuclear envelope, whereas fraction B mediates the subsequent passage of t...

journal_title：Nature

authors： Moore MS,Blobel G

更新日期：1993-10-14 00:00:00

abstract：:It is possible to infer aspects of an organism's lifestyle from its gene content. Can the reverse also be done? Here we consider this issue by modelling evolution of the reduced genomes of endosymbiotic bacteria. The diversity of gene content in these bacteria may reflect both variation in selective forces and conting...

journal_title：Nature

authors： Pál C,Papp B,Lercher MJ,Csermely P,Oliver SG,Hurst LD

更新日期：2006-03-30 00:00:00

abstract：:There has been much interest in the biochemical and biophysical processes that couple extracellular signals to alterations in gene expression. While many early events associated with the treatment of cells with growth factors have been described (for example, ion flux and protein phosphorylation), it has proved diffic...

journal_title：Nature

authors： Morgan JI,Curran T

更新日期：1986-08-07 00:00:00

abstract：:Although the nuclear properties of the late actinides (plutonium, americium and curium) are fully understood and widely applied to energy generation, their solid-state properties do not fit within standard models and are the subject of active research. Plutonium displays phases with enormous volume differences, and bo...

journal_title：Nature

authors： Shim JH,Haule K,Kotliar G

更新日期：2007-03-29 00:00:00

abstract：:The coronavirus disease 2019 (COVID-19) pandemic, which is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has been associated with more than 780,000 deaths worldwide (as of 20 August 2020). To develop antiviral interventions quickly, drugs used for the treatment of unrelated diseases are curre...

journal_title：Nature

authors： Hoffmann M,Mösbauer K,Hofmann-Winkler H,Kaul A,Kleine-Weber H,Krüger N,Gassen NC,Müller MA,Drosten C,Pöhlmann S

更新日期：2020-09-01 00:00:00

abstract：:Ferroelectrics have recently attracted attention as a candidate class of materials for use in photovoltaic devices, and for the coupling of light absorption with other functional properties. In these materials, the strong inversion symmetry breaking that is due to spontaneous electric polarization promotes the desirab...

journal_title：Nature

authors： Grinberg I,West DV,Torres M,Gou G,Stein DM,Wu L,Chen G,Gallo EM,Akbashev AR,Davies PK,Spanier JE,Rappe AM

更新日期：2013-11-28 00:00:00

abstract：:Haematopoietic stem cells (HSCs) must achieve a balance between quiescence and activation that fulfils immediate demands for haematopoiesis without compromising long-term stem cell maintenance, yet little is known about the molecular events governing this balance. Phosphatase and tensin homologue (PTEN) functions as a...

journal_title：Nature

authors： Zhang J,Grindley JC,Yin T,Jayasinghe S,He XC,Ross JT,Haug JS,Rupp D,Porter-Westpfahl KS,Wiedemann LM,Wu H,Li L

更新日期：2006-05-25 00:00:00

abstract：:Cells are eliminated in a variety of physiological settings by apoptosis, a genetically encoded process of cellular suicide. Apoptosis comprises an intrinsic cellular defence against tumorigenesis, which, when suppressed, may contribute to the development of malignancies. The bcl-2 oncogene, which is activated in foll...

journal_title：Nature

authors： Chittenden T,Harrington EA,O'Connor R,Flemington C,Lutz RJ,Evan GI,Guild BC

更新日期：1995-04-20 00:00:00

abstract：:Sex in mammals is determined in the fetal gonad by the presence or absence of the Y chromosome gene Sry, which controls whether bipotential precursor cells differentiate into testicular Sertoli cells or ovarian granulosa cells. This pivotal decision in a single gonadal cell type ultimately controls sexual differentiat...

journal_title：Nature

authors： Matson CK,Murphy MW,Sarver AL,Griswold MD,Bardwell VJ,Zarkower D

更新日期：2011-07-20 00:00:00

abstract：:Amino-acid radicals play key roles in many enzymatic reactions. Catalysis often involves transfer of a radical character within the protein, as in class I ribonucleotide reductase where radical transfer occurs over 35 A, from a tyrosyl radical to a cysteine. It is currently debated whether this kind of long-range tran...

journal_title：Nature

authors： Aubert C,Vos MH,Mathis P,Eker AP,Brettel K

更新日期：2000-06-01 00:00:00

abstract：:A family of G-protein-coupled chemoattractant receptors is known to mediate the transport and activation of neutrophils and macrophages This family includes receptors for chemokines, such as interleukin-8, bacterial formylated peptides, platelet-activating factor, leukotriene B4, and the complement anaphylatoxins. The...

journal_title：Nature

authors： Höpken UE,Lu B,Gerard NP,Gerard C

更新日期：1996-09-05 00:00:00

abstract：:Mutations in the Schizosaccharomyces pombe cdc8 gene impair cytokinesis. Here we clone cdc8+ and find that it encodes a novel tropomyosin. Gene disruption results in lethal arrest of the cell cycle, but spore germination, cell growth, DNA replication and mitosis are all unaffected. Haploid cdc8 gene disruptants are re...

journal_title：Nature

authors： Balasubramanian MK,Helfman DM,Hemmingsen SM

更新日期：1992-11-05 00:00:00

abstract：:Many marine invertebrates and fish respond to hydrostatic pressure in order to regulate their depth and synchronize their behaviour to tidal cycles. Here we investigate the effect of hydrostatic pressure on the vestibular hair cells located in the labyrinth of the dogfish Scyliorhinus canicula, and find that it modula...

journal_title：Nature

authors： Fraser PJ,Shelmerdine RL

更新日期：2002-01-31 00:00:00

abstract：:Shiga toxin and some other protein toxins that act on targets in the cytosol have previously been shown to enter the trans-Golgi network. Transport by this route may be necessary for translocation of the toxin to the cytosol and for intoxication, but it is not known whether the enzymatically active part of the toxins ...

journal_title：Nature

authors： Sandvig K,Garred O,Prydz K,Kozlov JV,Hansen SH,van Deurs B

更新日期：1992-08-06 00:00:00

abstract：:We have designed a bacterial system that is switched between different states by red light. The system consists of a synthetic sensor kinase that allows a lawn of bacteria to function as a biological film, such that the projection of a pattern of light on to the bacteria produces a high-definition (about 100 megapixel...

journal_title：Nature

authors： Levskaya A,Chevalier AA,Tabor JJ,Simpson ZB,Lavery LA,Levy M,Davidson EA,Scouras A,Ellington AD,Marcotte EM,Voigt CA

更新日期：2005-11-24 00:00:00

abstract：:Although individuals age and die with time, an animal species can continue indefinitely, because of its immortal germ-cell lineage. How the germline avoids transmitting damage from one generation to the next remains a fundamental question in biology. Here we identify a lysosomal switch that enhances germline proteosta...

journal_title：Nature

authors： Bohnert KA,Kenyon C

更新日期：2017-11-30 00:00:00

abstract：:The dispute among federal agencies over regulation of commercial biotechnology has been addressed in the Federal Register by the Office of Science and Technology Policy (OSTP), which says the Recombinant DNA Advisory Committee of the National Institutes of Health should continue to oversee biomedical research in this ...

journal_title：Nature

authors： Beardsley T

更新日期：1985-01-10 00:00:00

abstract：:The death of massive stars produces a variety of supernovae, which are linked to the structure of the exploding stars. The detection of several precursor stars of type II supernovae has been reported (see, for example, ref. 3), but we do not yet have direct information on the progenitors of the hydrogen-deficient type...

journal_title：Nature

authors： Pastorello A,Smartt SJ,Mattila S,Eldridge JJ,Young D,Itagaki K,Yamaoka H,Navasardyan H,Valenti S,Patat F,Agnoletto I,Augusteijn T,Benetti S,Cappellaro E,Boles T,Bonnet-Bidaud JM,Botticella MT,Bufano F,Cao C,Deng J,

更新日期：2007-06-14 00:00:00

abstract：:The arrest of dorsal root axonal regeneration at the transitional zone between the peripheral and central nervous system has been repeatedly described since the early twentieth century. Here we show that, with trophic support to damaged sensory axons, this regenerative barrier is surmountable. In adult rats with injur...

journal_title：Nature

authors： Ramer MS,Priestley JV,McMahon SB

更新日期：2000-01-20 00:00:00

abstract：:Ten eleven translocation (TET) enzymes, including TET1, TET2 and TET3, convert 5-methylcytosine to 5-hydroxymethylcytosine and regulate gene transcription. However, the molecular mechanism by which TET family enzymes regulate gene transcription remains elusive. Using protein affinity purification, here we search for f...

journal_title：Nature

authors： Chen Q,Chen Y,Bian C,Fujiki R,Yu X

更新日期：2013-01-24 00:00:00

abstract：:Systems of colour vision are normally identical in all members of a species, but a single design may not be adequate for species living in a diverse range of light environments. Here we show that in the mantis shrimp Haptosquilla trispinosa, which occupies a range of depths in the ocean, long-wavelength colour recepto...

journal_title：Nature

authors： Cronin TW,Caldwell RL,Marshall J

更新日期：2001-05-31 00:00:00

abstract：:Inactivation of APC is a strongly predisposing event in the development of colorectal cancer, prompting the search for vulnerabilities specific to cells that have lost APC function. Signalling through the mTOR pathway is known to be required for epithelial cell proliferation and tumour growth, and the current paradigm...

journal_title：Nature

authors： Faller WJ,Jackson TJ,Knight JR,Ridgway RA,Jamieson T,Karim SA,Jones C,Radulescu S,Huels DJ,Myant KB,Dudek KM,Casey HA,Scopelliti A,Cordero JB,Vidal M,Pende M,Ryazanov AG,Sonenberg N,Meyuhas O,Hall MN,Bushell M,W

更新日期：2015-01-22 00:00:00