UV light-induced immunoglobulin heavy-chain class switch in a human lymphoblastoid cell line.

abstract：:Increasing human populations around the global coastline have caused extensive loss, degradation and fragmentation of coastal ecosystems, threatening the delivery of important ecosystem services1. As a result, alarming losses of mangrove, coral reef, seagrass, kelp forest and coastal marsh ecosystems have occurred1-6....

journal_title：Nature

authors： Murray NJ,Phinn SR,DeWitt M,Ferrari R,Johnston R,Lyons MB,Clinton N,Thau D,Fuller RA

更新日期：2019-01-01 00:00:00

abstract：:The discovery of the peptide hormone ghrelin, an endogenous ligand for the growth hormone secretagogue (GHS) receptor, yielded the surprising result that the principal site of ghrelin synthesis is the stomach and not the hypothalamus. Although ghrelin is likely to regulate pituitary growth hormone (GH) secretion along...

journal_title：Nature

authors： Tschöp M,Smiley DL,Heiman ML

更新日期：2000-10-19 00:00:00

abstract：:Only 10 different V beta gene segments were found when the sequences of 15 variable (V beta) genes of the mouse T-cell receptor were examined. From this analysis we calculate that the total number of expressed V beta gene segments may be 21 or fewer, which makes the expressed germline V beta repertoire much smaller th...

journal_title：Nature

authors： Barth RK,Kim BS,Lan NC,Hunkapiller T,Sobieck N,Winoto A,Gershenfeld H,Okada C,Hansburg D,Weissman IL

更新日期：1985-08-08 00:00:00

abstract：:There is considerable interest in the existence and significance of alternative conformations of DNA to the right-handed B-form described originally by Watson and Crick. The indirect immunofluorescence observations of Nordheim et al., Arndt-Jovin et al. and Lemeunier et al. that antibodies against left-handed Z-DNA bi...

journal_title：Nature

authors： Hill RJ,Stollar BD

更新日期：1983-09-22 00:00:00

abstract：:Although it has been proposed that the activation of T lymphocytes is mediated by an early rise in cytosolic calcium concentration, it has not been possible to mimic antigen- or mitogen-induced mouse lymphocyte activation by calcium ionophores that bypass receptor-mediated processes. There is now evidence from other s...

journal_title：Nature

authors： Truneh A,Albert F,Golstein P,Schmitt-Verhulst AM

更新日期：1985-01-24 00:00:00

abstract：:Excitatory amino acids (EAAs) are important neurotransmitters in the vertebrate central nervous system. Electrophysiological and ligand-binding studies indicate that at least three different receptor subtypes for EAAs exist--N-methyl-D-aspartate, kainate and quisqualate receptor subtypes--on the basis of the preferred...

journal_title：Nature

authors： Wada K,Dechesne CJ,Shimasaki S,King RG,Kusano K,Buonanno A,Hampson DR,Banner C,Wenthold RJ,Nakatani Y

更新日期：1989-12-07 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：:The presence of homoeo box sequences in the genomes of vertebrates has suggested that these metazoans possess the equivalent of the homoeotic genes that have a key role in regulating the development of the fruitfly Drosophila melanogaster. We report here that a novel murine homoeo box-containing gene is expressed in e...

journal_title：Nature

authors： Colberg-Poley AM,Voss SD,Chowdhury K,Gruss P

更新日期：1985-04-25 00:00:00

abstract：:Caenorhabditis elegans senses environmental signals through ciliated sensory neurons located primarily in sensory organs in the head and tail. Cilia function as sensory receptors, and mutants with defective sensory cilia have impaired sensory perception. Cilia are membrane-bound microtubule-based structures and in C. ...

journal_title：Nature

authors： Apfeld J,Kenyon C

更新日期：1999-12-16 00:00:00

abstract：:alpha-Neurotoxins bind to cholinergic receptor, block transmission, and induce sprouting of retinal terminals in the toad tectum. New connections retain an orderliness that suggests a selective affinity between presynaptic terminals. The results suggest that postsynaptic cells exert a control, associated with receptor...

journal_title：Nature

authors： Freeman JA

更新日期：1977-09-15 00:00:00

abstract：:Quantum electrodynamics (resulting from the merger of quantum mechanics and relativity theory) has provided a clear understanding of phenomena ranging from particle physics to cosmology and from astrophysics to quantum chemistry. The ideas underlying quantum electrodynamics also influence the theory of condensed matte...

journal_title：Nature

authors： Novoselov KS,Geim AK,Morozov SV,Jiang D,Katsnelson MI,Grigorieva IV,Dubonos SV,Firsov AA

更新日期：2005-11-10 00:00:00

abstract：:The development and maintenance of an epithelium requires finely balanced rates of growth and cell death. However, the mechanical and biochemical mechanisms that ensure proper feedback control of tissue growth, which when deregulated contribute to tumorigenesis, are poorly understood. Here we use the fly notum as a mo...

journal_title：Nature

authors： Marinari E,Mehonic A,Curran S,Gale J,Duke T,Baum B

更新日期：2012-04-15 00:00:00

abstract：:Gut microbes supply the human body with energy from dietary polysaccharides through carbohydrate active enzymes, or CAZymes, which are absent in the human genome. These enzymes target polysaccharides from terrestrial plants that dominated diet throughout human evolution. The array of CAZymes in gut microbes is highly ...

journal_title：Nature

authors： Hehemann JH,Correc G,Barbeyron T,Helbert W,Czjzek M,Michel G

更新日期：2010-04-08 00:00:00

abstract：:The contractile proteins of adult skeletal and cardiac muscle tissue are very similar. Some of these proteins are identical in amino acid sequence or differ only slightly. Various structural studies have shown that the heavy and light chains of myosin are also homologous in skeletal and cardiac muscles. In developing ...

journal_title：Nature

authors： Whalen RG,Sell SM

更新日期：1980-08-14 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：: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 cyclin-dependent kinases 4 and 6 (Cdk4/6) that control the G1 phase of the cell cycle and their inhibitor, the p16INK4a tumour suppressor, have a central role in cell proliferation and in tumorigenesis. The structures of Cdk6 bound to p16INK4a and to the related p19INK4d reveal that the INK4 inhibitors bind next t...

journal_title：Nature

authors： Russo AA,Tong L,Lee JO,Jeffrey PD,Pavletich NP

更新日期：1998-09-17 00:00:00

abstract：:Bacterial toxins represent a vast reservoir of biochemical diversity that can be repurposed for biomedical applications. Such proteins include a group of predicted interbacterial toxins of the deaminase superfamily, members of which have found application in gene-editing techniques1,2. Because previously described cyt...

journal_title：Nature

authors： Mok BY,de Moraes MH,Zeng J,Bosch DE,Kotrys AV,Raguram A,Hsu F,Radey MC,Peterson SB,Mootha VK,Mougous JD,Liu DR

更新日期：2020-07-01 00:00:00

abstract：:Nuclear magic numbers correspond to fully occupied energy shells of protons or neutrons inside atomic nuclei. Doubly magic nuclei, with magic numbers for both protons and neutrons, are spherical and extremely rare across the nuclear landscape. Although the sequence of magic numbers is well established for stable nucle...

journal_title：Nature

authors： Taniuchi R,Santamaria C,Doornenbal P,Obertelli A,Yoneda K,Authelet G,Baba H,Calvet D,Château F,Corsi A,Delbart A,Gheller JM,Gillibert A,Holt JD,Isobe T,Lapoux V,Matsushita M,Menéndez J,Momiyama S,Motobayashi T,Nii

更新日期：2019-05-01 00:00:00

abstract：: ...

journal_title：Nature

authors： Ainsworth C

更新日期：2017-11-08 00:00:00

abstract：:Coronavirus disease 2019 (COVID-19) is a disease caused by infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and has resulted in a pandemic1. The C5a complement factor and its receptor C5aR1 (also known as CD88) have a key role in the initiation and maintenance of several inflammatory respons...

journal_title：Nature

authors： Carvelli J,Demaria O,Vély F,Batista L,Chouaki Benmansour N,Fares J,Carpentier S,Thibult ML,Morel A,Remark R,André P,Represa A,Piperoglou C,Explore COVID-19 IPH group.,Explore COVID-19 Marseille Immunopole group.,Cordier PY

更新日期：2020-12-01 00:00:00

abstract：:Tumour necrosis factor (TNF) elicits multiple biological effects through two distinct cell surface receptors, TNF-R1 (p55) and TNF-R2 (p75). Most TNF-mediated biological responses, such as cell death, gene induction, antiviral activity and cytokine production, have been attributed to TNF-R1 (refs 1-5). Gene targeting ...

journal_title：Nature

authors： Erickson SL,de Sauvage FJ,Kikly K,Carver-Moore K,Pitts-Meek S,Gillett N,Sheehan KC,Schreiber RD,Goeddel DV,Moore MW

更新日期：1994-12-08 00:00:00

abstract：:Using a recently developed formalism called topological quantum chemistry, we perform a high-throughput search of 'high-quality' materials (for which the atomic positions and structure have been measured very accurately) in the Inorganic Crystal Structure Database in order to identify new topological phases. We develo...

journal_title：Nature

authors： Vergniory MG,Elcoro L,Felser C,Regnault N,Bernevig BA,Wang Z

更新日期：2019-02-01 00:00:00

abstract：:Braunwald, a professor at Harvard Medical School, responds to a paper by Walter W. Stewart and Ned Feder ("The integrity of the scientific literature," Nature 1987 Jan 15; 325(6101): 207-214) concerning their findings of errors, discrepancies, and other lapses in publications coauthored by John Darsee, a biomedical re...

journal_title：Nature

authors： Braunwald E

更新日期：1987-01-15 00:00:00

abstract：:Pluto's tenuous nitrogen atmosphere was first detected by the imprint left on the light curve of a star that was occulted by the planet in 1985 (ref. 1), and studied more extensively during a second occultation event in 1988 (refs 2-6). These events are, however, quite rare and Pluto's atmosphere remains poorly unders...

journal_title：Nature

authors： Sicardy B,Widemann T,Lellouch E,Veillet C,Cuillandre JC,Colas F,Roques F,Beisker W,Kretlow M,Lagrange AM,Gendron E,Lacombe F,Lecacheux J,Birnbaum C,Fienga A,Leyrat C,Maury A,Raynaud E,Renner S,Schultheis M,Brooks

更新日期：2003-07-10 00:00:00

abstract：:The bithorax gene complex in Drosophila contains a minimum of eight genes that seem to code for substances controlling levels of thoracic and abdominal development. The state of repression of at least four of these genes is controlled by cis-regulatory elements and a separate locus (Polycomb) seems to code for a repre...

journal_title：Nature

authors： Lewis EB

更新日期：1978-12-07 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：:Cytotoxic T lymphocytes (CTLs) detect and destroy cells displaying class I molecules of the major histocompatibility complex (MHC) that present oligopeptides derived from aberrant self or foreign proteins. Most class I peptide ligands are created from proteins that are degraded by proteasomes and transported, by the t...

journal_title：Nature

authors： Hanada K,Yewdell JW,Yang JC

更新日期：2004-01-15 00:00:00

abstract：:The T-cell immune response is directed against antigenic peptide fragments generated in intracellular compartments, the cytosol or the endocytic system. Peptides derived from cytosolic proteins, usually of biosynthetic origin, are presented efficiently to T-cell receptors by major histocompatibility complex (MHC) clas...

journal_title：Nature

authors： Deverson EV,Gow IR,Coadwell WJ,Monaco JJ,Butcher GW,Howard JC

更新日期：1990-12-20 00:00:00

abstract：:We have attempted to reproduce the findings of Benveniste and co-workers, who reported in 1988 that degranulation of human basophil leukocytes is triggered by very dilute (10(2)-10(120)) antiserum against IgE. The results were contrary to conventional scientific theory and were not satisfactorily explained. Following ...

journal_title：Nature

authors： Hirst SJ,Hayes NA,Burridge J,Pearce FL,Foreman JC

更新日期：1993-12-09 00:00:00