A microbial consortium couples anaerobic methane oxidation to denitrification.

abstract：:Compartments in food webs are subgroups of taxa in which many strong interactions occur within the subgroups and few weak interactions occur between the subgroups. Theoretically, compartments increase the stability in networks, such as food webs. Compartments have been difficult to detect in empirical food webs becaus...

journal_title：Nature

authors： Krause AE,Frank KA,Mason DM,Ulanowicz RE,Taylor WW

更新日期：2003-11-20 00:00:00

abstract：:Transposable elements are viewed as 'selfish genetic elements', yet they contribute to gene regulation and genome evolution in diverse ways. More than half of the human genome consists of transposable elements. Alu elements belong to the short interspersed nuclear element (SINE) family of repetitive elements, and with...

journal_title：Nature

authors： Aktaş T,Avşar Ilık İ,Maticzka D,Bhardwaj V,Pessoa Rodrigues C,Mittler G,Manke T,Backofen R,Akhtar A

更新日期：2017-04-06 00:00:00

abstract：:Quantum degenerate Fermi gases provide a remarkable opportunity to study strongly interacting fermions. In contrast to other Fermi systems, such as superconductors, neutron stars or the quark-gluon plasma of the early Universe, these gases have low densities and their interactions can be precisely controlled over an e...

journal_title：Nature

authors： Zwierlein MW,Abo-Shaeer JR,Schirotzek A,Schunck CH,Ketterle W

更新日期：2005-06-23 00:00:00

abstract：:Many fermentative bacteria obtain energy for growth by reactions in which the change in free energy (DeltaG') is less than that needed to synthesize ATP. These bacteria couple substrate metabolism directly to ATP synthesis, however, by classical phosphoryl transfer reactions. An explanation for the energy economy of t...

journal_title：Nature

authors： Jackson BE,McInerney MJ

更新日期：2002-01-24 00:00:00

abstract：:Kin selection theory predicts that individuals will show less aggression and more altruism towards relatives. However, recent theoretical developments suggest that with limited dispersal, competition between relatives can override the effects of relatedness. The predicted and opposing influences of relatedness and com...

journal_title：Nature

authors： Giron D,Dunn DW,Hardy IC,Strand MR

更新日期：2004-08-05 00:00:00

abstract：:Herpesviruses are characterized by their ability to maintain life-long latent infections in their animal hosts. However, the mechanisms that allow establishment and maintenance of the latent state remain poorly understood. Herpes simplex virus 1 (HSV-1) establishes latency in neurons of sensory ganglia, where the only...

journal_title：Nature

authors： Umbach JL,Kramer MF,Jurak I,Karnowski HW,Coen DM,Cullen BR

更新日期：2008-08-07 00:00:00

abstract：:A fundamental tenet of classical mendelian genetics is that allelic information is stably inherited from one generation to the next, resulting in predictable segregation patterns of differing alleles. Although several exceptions to this principle are known, all represent specialized cases that are mechanistically rest...

journal_title：Nature

authors： Lolle SJ,Victor JL,Young JM,Pruitt RE

更新日期：2005-03-24 00:00:00

abstract：:The internal organization of eukaryotic cells into functionally specialized, membrane-delimited organelles of unique composition implies a need for active, regulated lipid transport. Phosphatidylserine (PS), for example, is synthesized in the endoplasmic reticulum and then preferentially associates--through mechanisms...

journal_title：Nature

authors： Maeda K,Anand K,Chiapparino A,Kumar A,Poletto M,Kaksonen M,Gavin AC

更新日期：2013-09-12 00:00:00

abstract：:Developing neurons transiently express somatostatin and its receptors, but little is known about their function at these early stages. As we thought that endogenous somatostatin might control the migratory behaviour of immature neurons, we have examined the effects of somatostatin in cerebellar granule cells of early ...

journal_title：Nature

authors： Yacubova E,Komuro H

更新日期：2002-01-03 00:00:00

abstract：:Hydrothermal vents are ephemeral because of frequent volcanic and tectonic activities associated with crust formation. Although the larvae of hydrothermal vent fauna can rapidly colonize new vent sites separated by tens to hundreds of kilometres, the mechanisms by which these larvae disperse and recruit are not unders...

journal_title：Nature

authors： Marsh AG,Mullineaux LS,Young CM,Manahan DT

更新日期：2001-05-03 00:00:00

abstract：:The European Commission has made good progress in gathering support for its new programme of basic and applied research. Now Europe's industries and heads of state need to fulfill promises made two years ago. ...

journal_title：Nature

authors：

更新日期：2002-01-31 00:00:00

abstract：:Where continental plates break apart, slip along multiple normal faults provides the required space for the Earth's crust to thin and subside. After initial rifting, however, the displacement on normal faults observed at the sea floor seems not to match the inferred extension. Here we show that crustal thinning can be...

journal_title：Nature

authors： Lavier LL,Manatschal G

更新日期：2006-03-16 00:00:00

abstract：:Capacitors are a mainstay of electronic integrated circuits and devices, where they perform essential functions such as storing electrical charge, and blocking direct current while allowing alternating currents to propagate. Because they are often the largest components in circuits, extensive efforts are directed at r...

journal_title：Nature

authors： Stengel M,Spaldin NA

更新日期：2006-10-12 00:00:00

abstract：:Silbo Gomero is a whistled language that is a rare and endangered surrogate of Spanish, used by shepherds on the island of La Gomera in the Canary Islands for communication over long distances on difficult terrain. Here we show that areas of the brain normally associated with spoken-language function are also activate...

journal_title：Nature

authors： Carreiras M,Lopez J,Rivero F,Corina D

更新日期：2005-01-06 00:00:00

abstract：:The ice-rich surface of the jovian satellite Europa is sparsely cratered, suggesting that this moon might be geologically active today. Moreover, models of the satellite's interior indicate that tidal interactions with Jupiter might produce enough heat to maintain a subsurface liquid water layer. But the mechanisms of...

journal_title：Nature

authors： Pappalardo RT,Head JW,Greeley R,Sullivan RJ,Pilcher C,Schubert G,Moore WB,Carr MH,Moore JM,Belton MJ,Goldsby DL

更新日期：1998-01-22 00:00:00

abstract：:Juxtaposition between endoplasmic reticulum (ER) and mitochondria is a common structural feature, providing the physical basis for intercommunication during Ca(2+) signalling; yet, the molecular mechanisms controlling this interaction are unknown. Here we show that mitofusin 2, a mitochondrial dynamin-related protein ...

journal_title：Nature

authors： de Brito OM,Scorrano L

更新日期：2008-12-04 00:00:00

abstract：:Apoptosis (programmed cell death), an essential process in the development and homeostasis of metazoans, is carried out by caspases. The mitochondrial protein Smac/DIABLO performs a critical function in apoptosis by eliminating the inhibitory effect of IAPs (inhibitor of apoptosis proteins) on caspases. Here we show t...

journal_title：Nature

authors： Chai J,Du C,Wu JW,Kyin S,Wang X,Shi Y

更新日期：2000-08-24 00:00:00

abstract：:The flow of terrestrial groundwater to the sea is an important natural component of the hydrological cycle. This process, however, does not explain the large volumes of low-salinity groundwater that are found below continental shelves. There is mounting evidence for the global occurrence of offshore fresh and brackish...

journal_title：Nature

authors： Post VE,Groen J,Kooi H,Person M,Ge S,Edmunds WM

更新日期：2013-12-05 00:00:00

abstract：:Keratinocytes of three different epithelia grown in cell culture express a large number of differentiation markers with either no differences or relatively small differences, depending on the species. Much of the distinctive phenotype of these epithelia in vivo must be due to external modulation and relatively little,...

journal_title：Nature

authors： Sun TT,Green H

更新日期：1977-10-06 00:00:00

abstract：:Data collected at approximately 60 Global Positioning System (GPS) sites in southeast Asia show the crustal deformation caused by the 26 December 2004 Sumatra-Andaman earthquake at an unprecedented large scale. Small but significant co-seismic jumps are clearly detected more than 3,000 km from the earthquake epicentre...

journal_title：Nature

authors： Vigny C,Simons WJ,Abu S,Bamphenyu R,Satirapod C,Choosakul N,Subarya C,Socquet A,Omar K,Abidin HZ,Ambrosius BA

更新日期：2005-07-14 00:00:00

abstract：:Protein structures are stabilized by hydrophobic and van der Waals forces, and by hydrogen bonds. The relation between these thermodynamic quantities and the actual three-dimensional structure of proteins can not be calculated precisely. However, certain empirical relations have been discovered. Hydrophobic energy is ...

journal_title：Nature

authors： Miller S,Lesk AM,Janin J,Chothia C

更新日期：1987-08-27 00:00:00

abstract：:Crossover recombination events between homologous chromosomes are required to form chiasmata, temporary connections between homologues that ensure their proper segregation at meiosis I. Despite this requirement for crossovers and an excess of the double-strand DNA breaks that are the initiating events for meiotic reco...

journal_title：Nature

authors： Libuda DE,Uzawa S,Meyer BJ,Villeneuve AM

更新日期：2013-10-31 00:00:00

abstract：:Microbialites, including biogenic stromatolites, thrombolites and dendrolites, were formed by various microbial mats that trapped and bound sediments or formed the locus of mineral precipitation. Microbialites were common and diverse during the Proterozoic, but declined in abundance and morphological diversity when mu...

journal_title：Nature

authors： Sheehan PM,Harris MT

更新日期：2004-07-01 00:00:00

abstract：:The intracellular pathogen Legionella pneumophila modulates the activity of host GTPases to direct the transport and assembly of the membrane-bound compartment in which it resides. In vitro studies have indicated that the Legionella protein DrrA post-translationally modifies the GTPase Rab1 by a process called AMPylat...

journal_title：Nature

authors： Mukherjee S,Liu X,Arasaki K,McDonough J,Galán JE,Roy CR

更新日期：2011-08-07 00:00:00

abstract：:Although cell migration is crucial for neural development, molecular mechanisms guiding neuronal migration have remained unclear. Here we report that the secreted protein Slit repels neuronal precursors migrating from the anterior subventricular zone in the telencephalon to the olfactory bulb. Our results provide a di...

journal_title：Nature

authors： Wu W,Wong K,Chen J,Jiang Z,Dupuis S,Wu JY,Rao Y

更新日期：1999-07-22 00:00:00

abstract：:Climate models with increased levels of carbon dioxide predict that global warming causes heating in the tropics, but investigations of ancient climates based on palaeodata have generally indicated cool tropical temperatures during supposed greenhouse episodes. For example, in the Late Cretaceous and Eocene epochs the...

journal_title：Nature

authors： Pearson PN,Ditchfield PW,Singano J,Harcourt-Brown KG,Nicholas CJ,Olsson RK,Shackleton NJ,Hall MA

更新日期：2001-10-04 00:00:00

abstract：:The activation of T cells through interaction of their T-cell receptors with antigenic peptide bound to major histocompatibility complex (MHC) on the surface of antigen presenting cells (APCs) is a crucial step in adaptive immunity. Here we use three-dimensional fluorescence microscopy to visualize individual peptide-...

journal_title：Nature

authors： Irvine DJ,Purbhoo MA,Krogsgaard M,Davis MM

更新日期：2002-10-24 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：:Synaptic transmission of most vertebrate synapses is thought to be terminated by rapid transport of the neurotransmitter into presynaptic nerve terminals or neuroglia. L-Glutamate is the major excitatory transmitter in brain and its transport represents the mechanism by which it is removed from the synaptic cleft and ...

journal_title：Nature

authors： Pines G,Danbolt NC,Bjørås M,Zhang Y,Bendahan A,Eide L,Koepsell H,Storm-Mathisen J,Seeberg E,Kanner BI

更新日期：1992-12-03 00:00:00

abstract：:The size of plants is largely determined by growth of the stem. Stem elongation is stimulated by gibberellic acid1-3. Here we show that internode stem elongation in rice is regulated antagonistically by an 'accelerator' and a 'decelerator' in concert with gibberellic acid. Expression of a gene we name ACCELERATOR OF I...

journal_title：Nature

authors： Nagai K,Mori Y,Ishikawa S,Furuta T,Gamuyao R,Niimi Y,Hobo T,Fukuda M,Kojima M,Takebayashi Y,Fukushima A,Himuro Y,Kobayashi M,Ackley W,Hisano H,Sato K,Yoshida A,Wu J,Sakakibara H,Sato Y,Tsuji H,Akagi T,Ashikari

更新日期：2020-08-01 00:00:00