A prevalence of dynamo-generated magnetic fields in the cores of intermediate-mass stars.

abstract：:The precursor frequency of T cells specific for any given foreign antigen is, in general, extremely low. Prominent exceptions to this rule are the T cells that are specific for foreign major histocompatibility complex (MHC) products or for products of the minor lymphocyte stimulatory (Mls) genes in the mouse which are...

journal_title：Nature

authors： Abe R,Vacchio MS,Fox B,Hodes RJ

更新日期：1988-10-27 00:00:00

abstract：:Excitatory amino acids induce both acute membrane depolarization and latent cellular toxicity, which often leads to apoptosis in many neurological disorders. Recent studies indicate that glutamate toxicity may involve the c-Jun amino-terminal kinase (JNK) group of mitogen-activated protein (MAP) kinases. One member of...

journal_title：Nature

authors： Yang DD,Kuan CY,Whitmarsh AJ,Rincón M,Zheng TS,Davis RJ,Rakic P,Flavell RA

更新日期：1997-10-23 00:00:00

abstract：:In the present-day climate, surface water salinities are low in the western tropical Pacific Ocean and increase towards the eastern part of the basin. The salinity of surface waters in the tropical Pacific Ocean is thought to be controlled by a combination of atmospheric convection, precipitation, evaporation and ocea...

journal_title：Nature

authors： Stott L,Cannariato K,Thunell R,Haug GH,Koutavas A,Lund S

更新日期：2004-09-02 00:00:00

abstract：:The coupling of ATP hydrolysis to electron transfer by the enzyme nitrogenase during biological nitrogen fixation is an important example of a nucleotide-dependent transduction mechanism. The crystal structure has been determined for the complex between the Fe-protein and MoFe-protein components of nitrogenase stabili...

journal_title：Nature

authors： Schindelin H,Kisker C,Schlessman JL,Howard JB,Rees DC

更新日期：1997-05-22 00:00:00

abstract：:The molecular mechanisms controlling the process of myelination by Schwann cells remain elusive, despite recent progress in the identification and characterization of genes encoding myelin components (reviewed in ref. 1). We have created a null allele in the mouse Krox-20 gene, which encodes a zinc-finger transcriptio...

journal_title：Nature

authors： Topilko P,Schneider-Maunoury S,Levi G,Baron-Van Evercooren A,Chennoufi AB,Seitanidou T,Babinet C,Charnay P

更新日期：1994-10-27 00:00:00

abstract：:Although drugs are intended to be selective, at least some bind to several physiological targets, explaining side effects and efficacy. Because many drug-target combinations exist, it would be useful to explore possible interactions computationally. Here we compared 3,665 US Food and Drug Administration (FDA)-approved...

journal_title：Nature

authors： Keiser MJ,Setola V,Irwin JJ,Laggner C,Abbas AI,Hufeisen SJ,Jensen NH,Kuijer MB,Matos RC,Tran TB,Whaley R,Glennon RA,Hert J,Thomas KL,Edwards DD,Shoichet BK,Roth BL

更新日期：2009-11-12 00:00:00

abstract：:Neurons develop a highly polarized morphology consisting of dendrites and a long axon. Both axons and dendrites contain microtubules and microtubule-associated proteins (MAPs) with characteristic structures. Among MAPs, MAP2 is specifically expressed in dendrites whereas MAP2C and tau are abundant in the axon. But the...

journal_title：Nature

authors： Chen J,Kanai Y,Cowan NJ,Hirokawa N

更新日期：1992-12-17 00:00:00

abstract：:In this Letter, Supplementary Fig. 1 was missing. This error has been corrected online. ...

journal_title：Nature

authors： Eaglesham JB,Pan Y,Kupper TS,Kranzusch PJ

更新日期：2019-05-01 00:00:00

abstract：:Ia antigens are membrane-bound glycoproteins that play a part in antigen recognition and subsequent cell-cell interactions in the immune response. In the mouse they are coded for by the I region of the major histocompatibility complex H-2 and have been demonstrated on B lymphocytes, monocytes, activated T cells, macro...

journal_title：Nature

authors： de Waal RM,Bogman MJ,Maass CN,Cornelissen LM,Tax WJ,Koene RA

更新日期：1983-06-02 00:00:00

abstract：:During formation of the neuromuscular junction, acetylcholine receptors in the endplate membrane become metabolically stabilized under neural control, their half-life increasing from about 1 day to about 10 days. The metabolic stability of the receptors is regulated by the electrical activity induced in the muscle by ...

journal_title：Nature

authors： Rotzler S,Schramek H,Brenner HR

更新日期：1991-01-24 00:00:00

abstract：:Through their functional diversification, distinct lineages of CD4(+) T cells can act to either drive or constrain immune-mediated pathology. Transcription factors are critical in the generation of cellular diversity, and negative regulators antagonistic to alternate fates often act in conjunction with positive regula...

journal_title：Nature

authors： Roychoudhuri R,Hirahara K,Mousavi K,Clever D,Klebanoff CA,Bonelli M,Sciumè G,Zare H,Vahedi G,Dema B,Yu Z,Liu H,Takahashi H,Rao M,Muranski P,Crompton JG,Punkosdy G,Bedognetti D,Wang E,Hoffmann V,Rivera J,Marincol

更新日期：2013-06-27 00:00:00

abstract：:The quantum-level interplay between geometry, topology and correlation is at the forefront of fundamental physics1-15. Kagome magnets are predicted to support intrinsic Chern quantum phases owing to their unusual lattice geometry and breaking of time-reversal symmetry14,15. However, quantum materials hosting ideal spi...

journal_title：Nature

authors： Yin JX,Ma W,Cochran TA,Xu X,Zhang SS,Tien HJ,Shumiya N,Cheng G,Jiang K,Lian B,Song Z,Chang G,Belopolski I,Multer D,Litskevich M,Cheng ZJ,Yang XP,Swidler B,Zhou H,Lin H,Neupert T,Wang Z,Yao N,Chang TR,Jia S

更新日期：2020-07-01 00:00:00

abstract：:The cyanobacterium Prochlorococcus is the dominant oxygenic phototroph in the tropical and subtropical regions of the world's oceans. It can grow at a range of depths over which light intensities can vary by up to 4 orders of magnitude. This broad depth distribution has been hypothesized to stem from the coexistence o...

journal_title：Nature

authors： Moore LR,Rocap G,Chisholm SW

更新日期：1998-06-04 00:00:00

abstract：:Metabolic phenotypes are the products of interactions among a variety of factors-dietary, other lifestyle/environmental, gut microbial and genetic. We use a large-scale exploratory analytical approach to investigate metabolic phenotype variation across and within four human populations, based on 1H NMR spectroscopy. M...

journal_title：Nature

authors： Holmes E,Loo RL,Stamler J,Bictash M,Yap IK,Chan Q,Ebbels T,De Iorio M,Brown IJ,Veselkov KA,Daviglus ML,Kesteloot H,Ueshima H,Zhao L,Nicholson JK,Elliott P

更新日期：2008-05-15 00:00:00

abstract：:Networks have become a key approach to understanding systems of interacting objects, unifying the study of diverse phenomena including biological organisms and human society. One crucial step when studying the structure and dynamics of networks is to identify communities: groups of related nodes that correspond to fun...

journal_title：Nature

authors： Ahn YY,Bagrow JP,Lehmann S

更新日期：2010-08-05 00:00:00

abstract：: ...

journal_title：Nature

authors： Chiao M

更新日期：2018-11-01 00:00:00

abstract：:The biosynthesis of several protein cofactors is subject to feedback regulation by riboswitches. Flavin mononucleotide (FMN)-specific riboswitches, also known as RFN elements, direct expression of bacterial genes involved in the biosynthesis and transport of riboflavin (vitamin B(2)) and related compounds. Here we pre...

journal_title：Nature

authors： Serganov A,Huang L,Patel DJ

更新日期：2009-03-12 00:00:00

abstract：:Genetic-environmental interactions probably underlie spontaneous human autoimmune disorders, a category of complex traits thought to include multiple sclerosis (MS). The geographical distribution and familial aggregation of this disease have often been ascribed to the role of infectious agents, but there is no consens...

journal_title：Nature

authors： Ebers GC,Sadovnick AD,Risch NJ

更新日期：1995-09-14 00:00:00

abstract：:Introduction of DNA fragments, hundreds of kilobases in size, into mouse embryonic stem (ES) cells would greatly advance the ability to manipulate the mouse genome. Mice generated from such modified cells would permit investigation of the function and expression of very large or crudely mapped genes. Large DNA molecul...

journal_title：Nature

authors： Jakobovits A,Moore AL,Green LL,Vergara GJ,Maynard-Currie CE,Austin HA,Klapholz S

更新日期：1993-03-18 00:00:00

abstract：:A short exposure of primary cultures of mouse mammary tumour cells to glucocorticoids results in at least a three-fold stimulation of mammary tumour virus (MTV) production. Specific interaction of glucocorticoids with the cytoplasmic and nuclear receptors can also be demonstrated. The biological potency of various ste...

journal_title：Nature

authors： Shyamala G,Dickson C

更新日期：1976-07-08 00:00:00

abstract：:The factors determining disease severity in malaria are complex and include host polymorphisms, acquired immunity and parasite virulence. Studies in Africa have shown that severe malaria is associated with the ability of erythrocytes infected with the parasite Plasmodium falciparum to bind uninfected erythrocytes and ...

journal_title：Nature

authors： Rowe JA,Moulds JM,Newbold CI,Miller LH

更新日期：1997-07-17 00:00:00

abstract：:The insulins of New World hystricomorph rodents exhibit many novel amino acid changes in primary structure when compared with other mammalian insulins. These changes give rise to unusual properties (low potency, failure to self-associate) not shared by other naturally-occurring insulins. We report here on the primary ...

journal_title：Nature

authors： Horuk R,Blundell TL,Lazarus NR,Neville RW,Stone D,Wollmer A

更新日期：1980-08-21 00:00:00

abstract：:Hox genes are essential for growth and patterning of the tetrapod limb skeleton. Mice mutant for the Hoxd-13 gene have an important delay in morphogenesis owing to reduced proliferation. Based on the appearance of atavisms in such mice, we suggested that modifications of Hox gene regulation may have been a source of m...

journal_title：Nature

authors： Sordino P,van der Hoeven F,Duboule D

更新日期：1995-06-22 00:00:00

abstract：:In contrast to double-stranded DNA, there has so far been little evidence that double-stranded RNA can undergo major conformational transitions. We have investigated the conformation in different conditions of the double-stranded RNA molecule poly(G-C).poly(G-C), by NMR, circular dichroism and absorbance spectroscopy....

journal_title：Nature

authors： Hall K,Cruz P,Tinoco I Jr,Jovin TM,van de Sande JH

更新日期：1984-10-11 00:00:00

abstract：:Cellulose is the major polysaccharide component of plant cell walls and is the most abundant organic compound on the planet. A number of bacterial and fungal organisms can use cellulose as a food source, possessing cellulases (cellobiohydrolases and endoglucanases) that can catalyse the hydrolysis of the beta-(1,4) gl...

journal_title：Nature

authors： Davies GJ,Dodson GG,Hubbard RE,Tolley SP,Dauter Z,Wilson KS,Hjort C,Mikkelsen JM,Rasmussen G,Schülein M

更新日期：1993-09-23 00:00:00

abstract：:Reactive oxygen species are involved in many cellular metabolic and signalling processes and are thought to have a role in disease, particularly in carcinogenesis and ageing. We have generated mice with targeted inactivation of Prdx1, a member of the peroxiredoxin family of antioxidant enzymes. Here we show that mice ...

journal_title：Nature

authors： Neumann CA,Krause DS,Carman CV,Das S,Dubey DP,Abraham JL,Bronson RT,Fujiwara Y,Orkin SH,Van Etten RA

更新日期：2003-07-31 00:00:00

abstract：:The capacity of the rough endoplasmic reticulum (RER) membrane of eukaryotic cells in translocate nascent presecretory proteins from the cytosol to the intracisternal space is preserved on cell fractionation and can be assayed in vitro. Two attempts to characterize this translocation activity have been reported. Warre...

journal_title：Nature

authors： Jackson RC,Walter P,Blobel G

更新日期：1980-07-10 00:00:00

abstract：:Emerging infectious diseases present a formidable challenge to the conservation of native species in the twenty-first century. Diseases caused by introduced pathogens have had large impacts on species abundances, including the American chestnut, Hawaiian bird species and many amphibians. Changes in host population siz...

journal_title：Nature

authors： LaDeau SL,Kilpatrick AM,Marra PP

更新日期：2007-06-07 00:00:00

abstract：:High-coverage whole-genome sequence studies have so far focused on a limited number of geographically restricted populations, or been targeted at specific diseases, such as cancer. Nevertheless, the availability of high-resolution genomic data has led to the development of new methodologies for inferring population hi...

journal_title：Nature

authors： Pagani L,Lawson DJ,Jagoda E,Mörseburg A,Eriksson A,Mitt M,Clemente F,Hudjashov G,DeGiorgio M,Saag L,Wall JD,Cardona A,Mägi R,Wilson Sayres MA,Kaewert S,Inchley C,Scheib CL,Järve M,Karmin M,Jacobs GS,Antao T,Ilie

更新日期：2016-10-13 00:00:00

abstract：:The crystal structure of the diphtheria toxin dimer at 2.5 A resolution reveals a Y-shaped molecule of three domains. The catalytic domain, called fragment A, is of the alpha + beta type. Fragment B actually consists of two domains. The transmembrane domain consists of nine alpha-helices, two pairs of which are unusua...

journal_title：Nature

authors： Choe S,Bennett MJ,Fujii G,Curmi PM,Kantardjieff KA,Collier RJ,Eisenberg D

更新日期：1992-05-21 00:00:00