El Niño-Southern Oscillation complexity.

abstract：:Relative to the present day, meridional temperature gradients in the Early Eocene age ( approximately 56-53 Myr ago) were unusually low, with slightly warmer equatorial regions but with much warmer subtropical Arctic and mid-latitude climates. By the end of the Eocene epoch ( approximately 34 Myr ago), the first major...

journal_title：Nature

authors： Bijl PK,Schouten S,Sluijs A,Reichart GJ,Zachos JC,Brinkhuis H

更新日期：2009-10-08 00:00:00

abstract：:THE mouse H19 gene encodes one of the most abundant RNAs in the developing mouse embryo. It is expressed at the blastocyst stage of development, and accumulates to high levels in tissues of endodermal and mesodermal origin (H. Kim, unpublished result). After birth the gene is expressed in all tissues except skeletal m...

journal_title：Nature

authors： Bartolomei MS,Zemel S,Tilghman SM

更新日期：1991-05-09 00:00:00

abstract：:The retinotectal projection has long been studied experimentally and theoretically, as a model for the formation of topographic brain maps. Neighbouring retinal ganglion cells (RGCs) project their axons to neighbouring positions in the optic tectum, thus re-establishing a continuous neural representation of visual spa...

journal_title：Nature

authors： Gosse NJ,Nevin LM,Baier H

更新日期：2008-04-17 00:00:00

abstract：:In the Northern Hemisphere, ozone levels in the troposphere have increased by 35 per cent over the past century, with detrimental impacts on forest and agricultural productivity, even when forest productivity has been stimulated by increased carbon dioxide levels. In addition to reducing productivity, increased tropos...

journal_title：Nature

authors： Loya WM,Pregitzer KS,Karberg NJ,King JS,Giardina CP

更新日期：2003-10-16 00:00:00

abstract：:The making and breaking of atomic bonds are essential processes in chemical reactions. Although the ultrafast dynamics of bond breaking have been studied intensively using time-resolved techniques, it is very difficult to study the structural dynamics of bond making, mainly because of its bimolecular nature. It is esp...

journal_title：Nature

authors： Kim KH,Kim JG,Nozawa S,Sato T,Oang KY,Kim TW,Ki H,Jo J,Park S,Song C,Sato T,Ogawa K,Togashi T,Tono K,Yabashi M,Ishikawa T,Kim J,Ryoo R,Kim J,Ihee H,Adachi S

更新日期：2015-02-19 00:00:00

abstract：:DNA lesions interfere with DNA and RNA polymerase activity. Cyclobutane pyrimidine dimers and photoproducts generated by ultraviolet irradiation cause stalling of RNA polymerase II, activation of transcription-coupled repair enzymes, and inhibition of RNA synthesis. During the S phase of the cell cycle, collision of r...

journal_title：Nature

authors： Kruhlak M,Crouch EE,Orlov M,Montaño C,Gorski SA,Nussenzweig A,Misteli T,Phair RD,Casellas R

更新日期：2007-06-07 00:00:00

abstract：:The fundamental properties of neutron stars provide a direct test of the equation of state of cold nuclear matter, a relationship between pressure and density that is determined by the physics of the strong interactions between the particles that constitute the star. The most straightforward method of determining thes...

journal_title：Nature

authors： Cottam J,Paerels F,Mendez M

更新日期：2002-11-07 00:00:00

abstract：:Somatic cell nuclear transfer (SCNT) into enucleated oocytes has emerged as a technique that can be used to derive mouse embryonic stem cell lines with defined genotypes. In this issue Byrne et al. report the derivation of two SCNT Rhesus macaca male stem cell lines designated CRES-1 and CRES-2. Molecular studies deta...

journal_title：Nature

authors： Cram DS,Song B,Trounson AO

更新日期：2007-11-22 00:00:00

abstract：:The genome of the lower eukaryote Dictyostelium discoideum comprises six chromosomes. Here we report the sequence of the largest, chromosome 2, which at 8 megabases (Mb) represents about 25% of the genome. Despite an A + T content of nearly 80%, the chromosome codes for 2,799 predicted protein coding genes and 73 tran...

journal_title：Nature

authors： Glöckner G,Eichinger L,Szafranski K,Pachebat JA,Bankier AT,Dear PH,Lehmann R,Baumgart C,Parra G,Abril JF,Guigó R,Kumpf K,Tunggal B,Cox E,Quail MA,Platzer M,Rosenthal A,Noegel AA,Dictyostelium Genome Sequencing Consort

更新日期：2002-07-04 00:00:00

abstract：:Criteria for 'green buildings' need to make energy performance a priority--as do universities. ...

journal_title：Nature

authors：

更新日期：2009-09-10 00:00:00

abstract：:Only about 1% of human XO conceptuses survive to birth and these usually have the characteristics of Turner's syndrome, with a complex and variable phenotype including short stature, gonadal dysgenesis and anatomical defects. Both the embryonic lethality and Turner's syndrome are thought to be due to monosomy for a ge...

journal_title：Nature

authors： Ashworth A,Rastan S,Lovell-Badge R,Kay G

更新日期：1991-05-30 00:00:00

abstract：:The DNA sequences of the alcohol dehydrogenase (Adh) genes of four very closely related species of Drosophila show that the rates of nucleotide change vary greatly in different functional domains of this gene. A phylogeny of these species based on the Adh sequence data is consistent with that based on polytene chromos...

journal_title：Nature

authors： Bodmer M,Ashburner M

更新日期：1984-05-31 00:00:00

abstract：:Reorganizations of the Atlantic meridional overturning circulation were associated with large and abrupt climatic changes in the North Atlantic region during the last glacial period. Projections with climate models suggest that similar reorganizations may also occur in response to anthropogenic global warming. Here I ...

journal_title：Nature

authors： Schmittner A

更新日期：2005-03-31 00:00:00

abstract：:Mammalian cells proteolytically release (shed) the extracellular domains of many cell-surface proteins. Modification of the cell surface in this way can alter the cell's responsiveness to its environment and release potent soluble regulatory factors. The release of soluble tumour-necrosis factor-alpha (TNF-alpha) from...

journal_title：Nature

authors： Black RA,Rauch CT,Kozlosky CJ,Peschon JJ,Slack JL,Wolfson MF,Castner BJ,Stocking KL,Reddy P,Srinivasan S,Nelson N,Boiani N,Schooley KA,Gerhart M,Davis R,Fitzner JN,Johnson RS,Paxton RJ,March CJ,Cerretti DP

更新日期：1997-02-20 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：:Exploiters (parasites and predators) are thought to play a significant role in diversification, and ultimately speciation, of their hosts or prey. Exploiters may drive sympatric (within-population) diversification if there are a variety of exploiter-resistance strategies or fitness costs associated with exploiter resi...

journal_title：Nature

authors： Buckling A,Rainey PB

更新日期：2002-12-05 00:00:00

abstract：:Rivers sourced in the Himalayan mountain range carry some of the largest sediment loads on the planet, yet coarse gravel in these rivers vanishes within approximately 10-40 kilometres on entering the Ganga Plain (the part of the North Indian River Plain containing the Ganges River). Understanding the fate of gravel is...

journal_title：Nature

authors： Dingle EH,Attal M,Sinclair HD

更新日期：2017-04-26 00:00:00

abstract：:Endochondral ossification, an important process in vertebrate bone formation, is highly dependent on correct functioning of growth plate chondrocytes1. Proliferation of these cells determines longitudinal bone growth and the matrix deposited provides a scaffold for future bone formation. However, these two energy-depe...

journal_title：Nature

authors： Stegen S,Laperre K,Eelen G,Rinaldi G,Fraisl P,Torrekens S,Van Looveren R,Loopmans S,Bultynck G,Vinckier S,Meersman F,Maxwell PH,Rai J,Weis M,Eyre DR,Ghesquière B,Fendt SM,Carmeliet P,Carmeliet G

更新日期：2019-01-01 00:00:00

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：:Adult newts regenerate functional limbs after amputation. This process normally depends on the trophic influence of nerves on the regenerating limbs, particularly in the early stages before differentiation of the regeneration blastema, when it stimulates growth by maintaining high rates of macromolecular synthesis. Th...

journal_title：Nature

authors： Rathbone MP,Petri J,Choo AF,Logan DM,Carlone RL,Foret JE

更新日期：1980-01-24 00:00:00

abstract：:Taubenberger et al. claim that the 1918 influenza virus was derived from an avian source and adapted to humans shortly before the pandemic. However, we do not believe that this conclusion, which has been widely disseminated in the popular press and in scientific journals, is supported by their phylogenetic evidence. ...

journal_title：Nature

authors： Antonovics J,Hood ME,Baker CH

更新日期：2006-04-27 00:00:00

abstract：:Photoreceptors of the vertebrate retina hyperpolarize in response to light. The hyperpolarization elicited by a brief flash is approximately ten times slower in rods than in cones of the same retina. We have examined the amplification and temporal properties of synaptic transfer of rod and cone signals to a common pos...

journal_title：Nature

authors： Schnapf JL,Copenhagen DR

更新日期：1982-04-29 00:00:00

abstract：:Patterning matter on the nanometre scale is an important objective of current materials chemistry and physics. It is driven by both the need to further miniaturize electronic components and the fact that at the nanometre scale, materials properties are strongly size-dependent and thus can be tuned sensitively. In nano...

journal_title：Nature

authors： Alivisatos AP,Johnsson KP,Peng X,Wilson TE,Loweth CJ,Bruchez MP Jr,Schultz PG

更新日期：1996-08-15 00:00:00

abstract：:Stimuli-responsive hydrogels that undergo abrupt changes in volume in response to external stimuli such as pH, temperature and solvent composition have potential applications in biomedicine and the creation of 'intelligent' materials systems, for example as media for drug delivery, separation processes and protein imm...

journal_title：Nature

authors： Miyata T,Asami N,Uragami T

更新日期：1999-06-24 00:00:00

abstract：:Derivatives of the yeast GCN4 transcription factor containing acidic regions of 35 to 40 amino acids fused directly to the DNA-binding domain are fully functional in vivo. High resolution deletion analysis and proteolytic mapping suggest that the activation region is a repeated structure composed of small units acting...

journal_title：Nature

authors： Hope IA,Mahadevan S,Struhl K

更新日期：1988-06-16 00:00:00

abstract：:Since the discovery of insulin nearly 70 years ago, there has been no problem more fundamental to diabetes research than understanding how insulin works at the cellular level. Insulin binds to the alpha subunit of the insulin receptor which activates the tyrosine kinase in the beta subunit, but the molecular events li...

journal_title：Nature

authors： Sun XJ,Rothenberg P,Kahn CR,Backer JM,Araki E,Wilden PA,Cahill DA,Goldstein BJ,White MF

更新日期：1991-07-04 00:00:00

abstract：:Melting processes in the deep mantle have important implications for the origin of the deep-derived plumes believed to feed hotspot volcanoes such as those in Hawaii. They also provide insight into how the mantle has evolved, geochemically and dynamically, since the formation of Earth. Melt production in the shallow m...

journal_title：Nature

authors： Andrault D,Petitgirard S,Lo Nigro G,Devidal JL,Veronesi G,Garbarino G,Mezouar M

更新日期：2012-07-18 00:00:00

abstract：: ...

journal_title：Nature

authors： Jia H

更新日期：2018-11-01 00:00:00

abstract：:In legumes, root nodule organogenesis is activated in response to morphogenic lipochitin oligosaccharides that are synthesized by bacteria, commonly known as rhizobia. Successful symbiotic interaction results in the formation of highly specialized organs called root nodules, which provide a unique environment for symb...

journal_title：Nature

authors： Krusell L,Madsen LH,Sato S,Aubert G,Genua A,Szczyglowski K,Duc G,Kaneko T,Tabata S,de Bruijn F,Pajuelo E,Sandal N,Stougaard J

更新日期：2002-11-28 00:00:00

abstract：:An ageing world population has fuelled interest in regenerative remedies that may stem declining organ function and maintain fitness. Unanswered is whether elimination of intrinsic instigators driving age-associated degeneration can reverse, as opposed to simply arrest, various afflictions of the aged. Such instigator...

journal_title：Nature

authors： Jaskelioff M,Muller FL,Paik JH,Thomas E,Jiang S,Adams AC,Sahin E,Kost-Alimova M,Protopopov A,Cadiñanos J,Horner JW,Maratos-Flier E,Depinho RA

更新日期：2011-01-06 00:00:00