Carbonate-sensitive phytotransferrin controls high-affinity iron uptake in diatoms.

abstract：:Natural composite materials are renowned for their mechanical strength and toughness: despite being highly mineralized, with the organic component constituting not more than a few per cent of the composite material, the fracture toughness exceeds that of single crystals of the pure mineral by two to three orders of ma...

journal_title：Nature

authors： Kamat S,Su X,Ballarini R,Heuer AH

更新日期：2000-06-29 00:00:00

abstract：:Lyman-alpha emitters are thought to be young, low-mass galaxies with ages of approximately 10(8) yr (refs 1, 2). An overdensity of them in one region of the sky (the SSA 22 field) traces out a filamentary structure in the early Universe at a redshift of z approximately 3.1 (equivalent to 15 per cent of the age of the ...

journal_title：Nature

authors： Tamura Y,Kohno K,Nakanishi K,Hatsukade B,Iono D,Wilson GW,Yun MS,Takata T,Matsuda Y,Tosaki T,Ezawa H,Perera TA,Scott KS,Austermann JE,Hughes DH,Aretxaga I,Chung A,Oshima T,Yamaguchi N,Tanaka K,Kawabe R

更新日期：2009-05-07 00:00:00

abstract：:Yeast phosphatidylinositol transfer protein (Sec14p) is required for the production of secretory vesicles from the Golgi. This requirement can be relieved by inactivation of the cytosine 5'-diphosphate (CDP)-choline pathway for phosphatidylcholine biosynthesis, indicating that Sec14p is an essential component of a reg...

journal_title：Nature

authors： Kearns BG,McGee TP,Mayinger P,Gedvilaite A,Phillips SE,Kagiwada S,Bankaitis VA

更新日期：1997-05-01 00:00:00

abstract：:Clear cell renal cell carcinoma (ccRCC), the most common form of kidney cancer, is characterized by elevated glycogen levels and fat deposition. These consistent metabolic alterations are associated with normoxic stabilization of hypoxia-inducible factors (HIFs) secondary to von Hippel-Lindau (VHL) mutations that occu...

journal_title：Nature

authors： Li B,Qiu B,Lee DS,Walton ZE,Ochocki JD,Mathew LK,Mancuso A,Gade TP,Keith B,Nissim I,Simon MC

更新日期：2014-09-11 00:00:00

abstract：:The dopamine-containing projection from the ventral tegmental area of the midbrain to the nucleus accumbens is critically involved in mediating the reinforcing properties of cocaine. Although neurons in this area respond to rewards on a subsecond timescale, neurochemical studies have only addressed the role of dopamin...

journal_title：Nature

authors： Phillips PE,Stuber GD,Heien ML,Wightman RM,Carelli RM

更新日期：2003-04-10 00:00:00

abstract：:Superantigens bind class II major histocompatibility proteins and stimulate powerful proliferative responses of T lymphocytes bearing particular V beta sequences as part of their alpha beta antigen receptor. Exogenous bacterial superantigens are responsible for food poisoning and toxic shock syndrome. Murine virus-enc...

journal_title：Nature

authors： Lafon M,Lafage M,Martinez-Arends A,Ramirez R,Vuillier F,Charron D,Lotteau V,Scott-Algara D

更新日期：1992-08-06 00:00:00

abstract：:The solar wind blows outward from the Sun and forms a bubble of solar material in the interstellar medium. The termination shock occurs where the solar wind changes from being supersonic (with respect to the surrounding interstellar medium) to being subsonic. The shock was crossed by Voyager 1 at a heliocentric radius...

journal_title：Nature

authors： Richardson JD,Kasper JC,Wang C,Belcher JW,Lazarus AJ

更新日期：2008-07-03 00:00:00

abstract：:We have followed individual ribosomes as they translate single messenger RNA hairpins tethered by the ends to optical tweezers. Here we reveal that translation occurs through successive translocation--and-pause cycles. The distribution of pause lengths, with a median of 2.8 s, indicates that at least two rate-determin...

journal_title：Nature

authors： Wen JD,Lancaster L,Hodges C,Zeri AC,Yoshimura SH,Noller HF,Bustamante C,Tinoco I

更新日期：2008-04-03 00:00:00

abstract：:The giant polytene chromosomes of Drosophila melanogaster have long been of interest to the geneticist because of the visible map of the genome provided by their characteristic banding patterns. An issue in the understanding of the molecular basis of chromosome banding has been whether the chromosomal DNA is replicate...

journal_title：Nature

authors： Spierer A,Spierer P

更新日期：1984-01-12 00:00:00

abstract：:Quantum teleportation allows for the transfer of arbitrary unknown quantum states from a sender to a spatially distant receiver, provided that the two parties share an entangled state and can communicate classically. It is the essence of many sophisticated protocols for quantum communication and computation. Photons a...

journal_title：Nature

authors： Takeda S,Mizuta T,Fuwa M,van Loock P,Furusawa A

更新日期：2013-08-15 00:00:00

abstract：:The toxicity of misfolded proteins and mitochondrial dysfunction are pivotal factors that promote age-associated functional neuronal decline and neurodegenerative disease. Accordingly, neurons invest considerable cellular resources in chaperones, protein degradation, autophagy and mitophagy to maintain proteostasis an...

journal_title：Nature

authors： Melentijevic I,Toth ML,Arnold ML,Guasp RJ,Harinath G,Nguyen KC,Taub D,Parker JA,Neri C,Gabel CV,Hall DH,Driscoll M

更新日期：2017-02-16 00:00:00

abstract：:The U6 small nuclear (sn)RNA gene (SNR6) from the yeast Saccharomyces cerevisiae is transcribed by RNA polymerase III in vivo. This gene is unusual in having a TATA box at position -30, and an essential B-block element located downstream of the T-rich termination signal. The B block is one of the two intragenic promot...

journal_title：Nature

authors： Burnol AF,Margottin F,Huet J,Almouzni G,Prioleau MN,Méchali M,Sentenac A

更新日期：1993-04-01 00:00:00

abstract：:The identical structure of two racially distinct alpha 1-globin alleles and the high degree of homology between the alpha 1- and alpha 2-globin loci indicate that mechanisms exist for suppression of allelic polymorphisms and for exchange of genetic information within the alpha-globin gene complex. ...

journal_title：Nature

authors： Liebhaber SA,Goossens M,Kan YW

更新日期：1981-03-05 00:00:00

abstract：:Type Ia supernovae have been used empirically as 'standard candles' to demonstrate the acceleration of the expansion of the Universe even though fundamental details, such as the nature of their progenitor systems and how the stars explode, remain a mystery. There is consensus that a white dwarf star explodes after acc...

journal_title：Nature

authors： Nugent PE,Sullivan M,Cenko SB,Thomas RC,Kasen D,Howell DA,Bersier D,Bloom JS,Kulkarni SR,Kandrashoff MT,Filippenko AV,Silverman JM,Marcy GW,Howard AW,Isaacson HT,Maguire K,Suzuki N,Tarlton JE,Pan YC,Bildsten L,Ful

更新日期：2011-12-14 00:00:00

abstract：:Analytical tools that have spatial resolution at the nanometre scale are indispensable for the life and physical sciences. It is desirable that these tools also permit elemental and chemical identification on a scale of 10 nm or less, with large penetration depths. A variety of techniques in X-ray imaging are currentl...

journal_title：Nature

authors： Chao W,Harteneck BD,Liddle JA,Anderson EH,Attwood DT

更新日期：2005-06-30 00:00:00

abstract：:The eight catalytic subunits of the mammalian phosphoinositide-3-OH kinase (PI(3)K) family form the backbone of an evolutionarily conserved signalling pathway; however, the roles of most PI(3)K isoforms in organismal physiology and disease are unknown. To delineate the role of p110alpha, a ubiquitously expressed PI(3)...

journal_title：Nature

authors： Foukas LC,Claret M,Pearce W,Okkenhaug K,Meek S,Peskett E,Sancho S,Smith AJ,Withers DJ,Vanhaesebroeck B

更新日期：2006-05-18 00:00:00

abstract：:A decade ago, Lovelock and Whitfield raised the question of how much longer the biosphere can survive on Earth. They pointed out that, despite the current fossil-fuel induced increase in the atmospheric CO2 concentration, the long-term trend should be in the opposite direction: as increased solar luminosity warms th...

journal_title：Nature

authors： Caldeira K,Kasting JF

更新日期：1992-12-24 00:00:00

abstract：:Parkinson's disease is the second most common neurodegenerative disorder. Growing evidence indicates a causative role of misfolded forms of the protein α-synuclein in the pathogenesis of Parkinson's disease. Intraneuronal aggregates of α-synuclein occur in Lewy bodies and Lewy neurites, the cytopathological hallmarks ...

journal_title：Nature

authors： Bartels T,Choi JG,Selkoe DJ

更新日期：2011-08-14 00:00:00

abstract：:Courtship rituals serve to reinforce reproductive barriers between closely related species. Drosophila melanogaster and Drosophila simulans exhibit reproductive isolation, owing in part to the fact that D. melanogaster females produce 7,11-heptacosadiene, a pheromone that promotes courtship in D. melanogaster males bu...

journal_title：Nature

authors： Seeholzer LF,Seppo M,Stern DL,Ruta V

更新日期：2018-07-01 00:00:00

abstract：:Spontaneous symmetry breaking plays a key role in our understanding of nature. In relativistic quantum field theory, a broken continuous symmetry leads to the emergence of two types of fundamental excitation: massless Nambu-Goldstone modes and a massive 'Higgs' amplitude mode. An excitation of Higgs type is of crucial...

journal_title：Nature

authors： Endres M,Fukuhara T,Pekker D,Cheneau M,Schauss P,Gross C,Demler E,Kuhr S,Bloch I

更新日期：2012-07-25 00:00:00

abstract：:Many voltage-dependent K+ channels open when the membrane is depolarized and then rapidly close by a process called inactivation. Neurons use inactivating K+ channels to modulate their firing frequency. In Shaker-type K+ channels, the inactivation gate, which is responsible for the closing of the channel, is formed by...

journal_title：Nature

authors： Zhou M,Morais-Cabral JH,Mann S,MacKinnon R

更新日期：2001-06-07 00:00:00

abstract：:The crab Xenograpsus testudinatus lives at enormously high densities around the sulphur-rich hydrothermal vents found in shallow waters off Taiwan, even though this acidic environment is low in nutrients. Here we show that these crabs swarm out of their crevices at slack water and feed on the vast numbers of zooplankt...

journal_title：Nature

authors： Jeng MS,Ng NK,Ng PK

更新日期：2004-12-23 00:00:00

abstract：:A powerful way to discover key genes with causal roles in oncogenesis is to identify genomic regions that undergo frequent alteration in human cancers. Here we present high-resolution analyses of somatic copy-number alterations (SCNAs) from 3,131 cancer specimens, belonging largely to 26 histological types. We identif...

journal_title：Nature

authors： Beroukhim R,Mermel CH,Porter D,Wei G,Raychaudhuri S,Donovan J,Barretina J,Boehm JS,Dobson J,Urashima M,Mc Henry KT,Pinchback RM,Ligon AH,Cho YJ,Haery L,Greulich H,Reich M,Winckler W,Lawrence MS,Weir BA,Tanaka KE,

更新日期：2010-02-18 00:00:00

abstract：:Double-walled carbon nanotubes are needed in a pure, highly crystalline form before features such as their electronic properties, thermal transport and mechanical behaviour can be investigated. Here we fabricate a paper-like material that consists of hexagonally packed bundles of clean, coaxial carbon nanotubes whose ...

journal_title：Nature

authors： Endo M,Muramatsu H,Hayashi T,Kim YA,Terrones M,Dresselhaus MS

更新日期：2005-02-03 00:00:00

abstract：: ...

journal_title：Nature

authors： Mallapaty S

更新日期：2018-12-01 00:00:00

abstract：: ...

journal_title：Nature

authors： Goodman SN

更新日期：2018-12-01 00:00:00

abstract：:The key behavioural, physiological and anatomical components of a magnetite-based magnetic sense have been demonstrated in rainbow trout (Oncorhynchus mykiss). Candidate receptor cells located within a discrete sub-layer of the olfactory lamellae contained iron-rich crystals that were similar in size and shape to magn...

journal_title：Nature

authors： Diebel CE,Proksch R,Green CR,Neilson P,Walker MM

更新日期：2000-07-20 00:00:00

abstract：:Joining dissimilar materials such as plastics and metals in engineered structures remains a challenge1. Mechanical fastening, conventional welding and adhesive bonding are examples of techniques currently used for this purpose, but each of these methods presents its own set of problems2 such as formation of stress con...

journal_title：Nature

authors： Rivera J,Hosseini MS,Restrepo D,Murata S,Vasile D,Parkinson DY,Barnard HS,Arakaki A,Zavattieri P,Kisailus D

更新日期：2020-10-01 00:00:00

abstract：:The distribution, accumulation and circulation of oxygen and hydrogen in Earth's interior dictate the geochemical evolution of the hydrosphere, atmosphere and biosphere. The oxygen-rich atmosphere and iron-rich core represent two end-members of the oxygen-iron (O-Fe) system, overlapping with the entire pressure-temper...

journal_title：Nature

authors： Hu Q,Kim DY,Yang W,Yang L,Meng Y,Zhang L,Mao HK

更新日期：2016-06-09 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