Human general transcription factor IIH phosphorylates the C-terminal domain of RNA polymerase II.

abstract：:In 2001 the Intergovernmental Panel on Climate Change projected the contribution to sea level rise from the Greenland ice sheet to be between -0.02 and +0.09 m from 1990 to 2100 (ref. 1). However, recent work has suggested that the ice sheet responds more quickly to climate perturbations than previously thought, parti...

journal_title：Nature

authors： Velicogna I,Wahr J

更新日期：2006-09-21 00:00:00

abstract：:Stimulus-evoked oscillatory synchronization of activity has been observed in many neural systems, including the cerebral cortex of mammals and the brain of insects. The possible functions of such rhythmic synchronization in neural coding, however, remain largely speculative. In the locust, odours evoke activity in dyn...

journal_title：Nature

authors： Wehr M,Laurent G

更新日期：1996-11-14 00:00:00

abstract：:The neuronal structure and connectivity underlying receptive field organisation of cells in the cat visual cortex have been investigated. Intracellular recordings were made using a micropipette filled with a histochemical marker, which was injected into the cells after their receptive fields had been characterised. Th...

journal_title：Nature

authors： Gilbert CD,Wiesel TN

更新日期：1979-07-12 00:00:00

abstract：:Macrophages are pivotal constituents of the innate immune system, vital for recognition and elimination of microbial pathogens. Macrophages use Toll-like receptors (TLRs) to detect pathogen-associated molecular patterns--including bacterial cell wall components, such as lipopolysaccharide or lipoteichoic acid, and vir...

journal_title：Nature

authors： Hsu LC,Park JM,Zhang K,Luo JL,Maeda S,Kaufman RJ,Eckmann L,Guiney DG,Karin M

更新日期：2004-03-18 00:00:00

abstract：:Ultrathin ferroelectric materials could potentially enable low-power perovskite ferroelectric tetragonality logic and nonvolatile memories1,2. As ferroelectric materials are made thinner, however, the ferroelectricity is usually suppressed. Size effects in ferroelectrics have been thoroughly investigated in perovskite...

journal_title：Nature

authors： Cheema SS,Kwon D,Shanker N,Dos Reis R,Hsu SL,Xiao J,Zhang H,Wagner R,Datar A,McCarter MR,Serrao CR,Yadav AK,Karbasian G,Hsu CH,Tan AJ,Wang LC,Thakare V,Zhang X,Mehta A,Karapetrova E,Chopdekar RV,Shafer P,Arenh

更新日期：2020-04-01 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：:An outstanding question is how cells control the number and size of membrane organelles. The small GTPase Rab5 has been proposed to be a master regulator of endosome biogenesis. Here, to test this hypothesis, we developed a mathematical model of endosome dependency on Rab5 and validated it by titrating down all three ...

journal_title：Nature

authors： Zeigerer A,Gilleron J,Bogorad RL,Marsico G,Nonaka H,Seifert S,Epstein-Barash H,Kuchimanchi S,Peng CG,Ruda VM,Del Conte-Zerial P,Hengstler JG,Kalaidzidis Y,Koteliansky V,Zerial M

更新日期：2012-05-23 00:00:00

abstract：:Visual working memory provides an essential link between perception and higher cognitive functions, allowing for the active maintenance of information about stimuli no longer in view. Research suggests that sustained activity in higher-order prefrontal, parietal, inferotemporal and lateral occipital areas supports vis...

journal_title：Nature

authors： Harrison SA,Tong F

更新日期：2009-04-02 00:00:00

abstract：:As oligodendrocytes wrap axons of the central nervous system (CNS) with insulating myelin sheaths, sodium channels that are initially continuously distributed along axons become segregated into regularly spaced gaps in the myelin called nodes of Ranvier. It is not known whether the regular spacing of nodes results fro...

journal_title：Nature

authors： Kaplan MR,Meyer-Franke A,Lambert S,Bennett V,Duncan ID,Levinson SR,Barres BA

更新日期：1997-04-17 00:00:00

abstract：:Electrophoretic studies suggest that bacterial populations consist of a number of independent clones and that genetic recombination is rare in nature. But DNA sequencing reveals that individual bacterial genes have a mosaic structure that could have arisen only by recombination. How can these observations be reconcile...

journal_title：Nature

authors： Smith JM,Dowson CG,Spratt BG

更新日期：1991-01-03 00:00:00

abstract：:Surgical, pharmacological and genetic lesion studies have revealed distinct anatomical sites involved with different forms of learning. Studies of patients with localized brain damage and work in rodent model systems, for example, have shown that the hippocampal formation participates in acquisition of declarative tas...

journal_title：Nature

authors： Dubnau J,Grady L,Kitamoto T,Tully T

更新日期：2001-05-24 00:00:00

abstract：:The first event in the initiation of an immune response is the capture and presentation of antigen to T cells. Such presentation involves two distinct steps: (1) display of the antigen, which requires uptake, processing and re-expression of the antigen in association with MHC molecules on the presenting cell surface; ...

journal_title：Nature

authors： Lassila O,Vainio O,Matzinger P

更新日期：1988-07-21 00:00:00

abstract：:The endoplasmic reticulum (ER) is the largest intracellular endomembrane system, enabling protein and lipid synthesis, ion homeostasis, quality control of newly synthesized proteins and organelle communication. Constant ER turnover and modulation is needed to meet different cellular requirements and autophagy has an i...

journal_title：Nature

authors： Khaminets A,Heinrich T,Mari M,Grumati P,Huebner AK,Akutsu M,Liebmann L,Stolz A,Nietzsche S,Koch N,Mauthe M,Katona I,Qualmann B,Weis J,Reggiori F,Kurth I,Hübner CA,Dikic I

更新日期：2015-06-18 00:00:00

abstract：:Estimates of the total number of bacterial species indicate that existing DNA sequence databases carry only a tiny fraction of the total amount of DNA sequence space represented by this division of life. Indeed, environmental DNA samples have been shown to encode many previously unknown classes of proteins and RNAs. B...

journal_title：Nature

authors： Weinberg Z,Perreault J,Meyer MM,Breaker RR

更新日期：2009-12-03 00:00:00

abstract：:Common fragile sites have long been identified by cytogeneticists as chromosomal regions prone to breakage upon replication stress. They are increasingly recognized to be preferential targets for oncogene-induced DNA damage in pre-neoplastic lesions and hotspots for chromosomal rearrangements in various cancers. Commo...

journal_title：Nature

authors： Letessier A,Millot GA,Koundrioukoff S,Lachagès AM,Vogt N,Hansen RS,Malfoy B,Brison O,Debatisse M

更新日期：2011-02-03 00:00:00

abstract：:It is generally accepted that the specific function of a gene depends on its coding sequence. The three paired-box and homeobox genes paired (prd), gooseberry (gsb) and gooseberry neuro (gsbn) have distinct developmental functions in Drosophila embryogenesis. During the syncytial blastoderm stage, the pair-rule gene p...

journal_title：Nature

authors： Li X,Noll M

更新日期：1994-01-06 00:00:00

abstract：:Peptidoglycan (PG), an essential structure in the cell walls of the vast majority of bacteria, is critical for division and maintaining cell shape and hydrostatic pressure. Bacteria comprising the Chlamydiales were thought to be one of the few exceptions. Chlamydia harbour genes for PG biosynthesis and exhibit suscept...

journal_title：Nature

authors： Liechti GW,Kuru E,Hall E,Kalinda A,Brun YV,VanNieuwenhze M,Maurelli AT

更新日期：2014-02-27 00:00:00

abstract：:Aquifex aeolicus was one of the earliest diverging, and is one of the most thermophilic, bacteria known. It can grow on hydrogen, oxygen, carbon dioxide, and mineral salts. The complex metabolic machinery needed for A. aeolicus to function as a chemolithoautotroph (an organism which uses an inorganic carbon source for...

journal_title：Nature

authors： Deckert G,Warren PV,Gaasterland T,Young WG,Lenox AL,Graham DE,Overbeek R,Snead MA,Keller M,Aujay M,Huber R,Feldman RA,Short JM,Olsen GJ,Swanson RV

更新日期：1998-03-26 00:00:00

abstract：:The multi-disciplinary role of intermediate energy proton accelerators in pure and applied nuclear physics is discussed with particular reference to the experimental programmes at LAMPF (Los Alamos Meson Physics Facility) and SIN (Swiss Institute for Nuclear Research, Zurich). ...

journal_title：Nature

authors： Davies JD,Batty CJ,Green K

更新日期：1977-12-22 00:00:00

abstract：:As countries in Europe gradually relaxed lockdown restrictions after the first wave, test-trace-isolate strategies became critical to maintain the incidence of coronavirus disease 2019 (COVID-19) at low levels1,2. Reviewing their shortcomings can provide elements to consider in light of the second wave that is current...

journal_title：Nature

authors： Pullano G,Di Domenico L,Sabbatini CE,Valdano E,Turbelin C,Debin M,Guerrisi C,Kengne-Kuetche C,Souty C,Hanslik T,Blanchon T,Boëlle PY,Figoni J,Vaux S,Campèse C,Bernard-Stoecklin S,Colizza V

更新日期：2020-12-21 00:00:00

abstract：:Cell and lipid membranes are able to bend, as manifested during membrane fusion and the formation of non-lamellar lyotropic mesophases in water. But there is an energy cost to bending of lipid layers, called the curvature elastic energy. Although the functional form of this energy is known, a complete quantitative kno...

journal_title：Nature

authors： Chung H,Caffrey M

更新日期：1994-03-17 00:00:00

abstract：:A major component of the large genomes of higher plants and vertebrates comprises transposable elements and their derivatives, which potentially reduce the stability of the genome. It has been proposed that methylation of cytosine residues may suppress transposition, but experimental evidence for this has been limited...

journal_title：Nature

authors： Miura A,Yonebayashi S,Watanabe K,Toyama T,Shimada H,Kakutani T

更新日期：2001-05-10 00:00:00

abstract：:In the nematode Caenorhabditis elegans six hypodermal cells, the vulval precursor cells, are each competent to generate vulval cells. Normally only the three nearest precursor cells to the uterine anchor cell generate the vulva (22 nuclei), while the three others fuse with the non-specialized hypodermal syncytium (hyp...

journal_title：Nature

authors： Herman RK,Hedgecock EM

更新日期：1990-11-08 00:00:00

abstract：:The T-cell receptor (TCR) repertoire is selected in the thymus after rearrangement of genes encoding TCR alpha and beta chains. Selection is based on the recognition by newly emergent T cells of self-ligands associated with molecules of the major histocompatibility complex: some combinations result in positive selecti...

journal_title：Nature

authors： Dyson PJ,Knight AM,Fairchild S,Simpson E,Tomonari K

更新日期：1991-02-07 00:00:00

abstract：: ...

journal_title：Nature

authors： Del Bello L

更新日期：2018-12-01 00:00:00

abstract：:Methyl chloride is the largest natural source of ozone-depleting chlorine compounds, and accounts for about 15 per cent of the present atmospheric chlorine content. This contribution was likely to have been relatively greater in pre-industrial times, when additional anthropogenic sources-such as chlorofluorocarbons-we...

journal_title：Nature

authors： Yokouchi Y,Ikeda M,Inuzuka Y,Yukawa T

更新日期：2002-03-14 00:00:00

abstract：:Rho is the essential RNA helicase that sets the borders between transcription units and adjusts transcriptional yield to translational needs in bacteria. Although Rho was the first termination factor to be discovered, the actual mechanism by which it reaches and disrupts the elongation complex (EC) is unknown. Here we...

journal_title：Nature

authors： Epshtein V,Dutta D,Wade J,Nudler E

更新日期：2010-01-14 00:00:00

abstract：:Phosphorylation of membrane components is thought to be an important process in membrane function. Phosphorylated proteins and a special class of phospholipids, the (poly)phosphoinositides (poly PI), are implicated in the regulation of membrane permeability and synaptic transmission in neurones. For many years, protei...

journal_title：Nature

authors： Jolles J,Zwiers H,van Dongen CJ,Schotman P,Wirtz KW,Gispen WH

更新日期：1980-08-07 00:00:00

abstract：:It is common knowledge that our feelings of alertness or drowsiness vary throughout the day. Indeed, this diurnal variation is so widely accepted that it has been used to validate the drowsy/alert component of activation obtained from mood adjective checklists. There is, however, some evidence from sleep deprivation a...

journal_title：Nature

authors： Folkard S,Hume KI,Minors DS,Waterhouse JM,Watson FL

更新日期：1985-02-21 00:00:00

abstract：:The growth and differentiation of cytolytic T lymphocytes (CTL) is regulated by soluble growth hormones, of which interleukin-2 (IL-2) is considered to be of prime importance. Here we report that the lymphokine B-cell stimulatory factor (BSF-1 or interleukin-4) also has profound effects on the generation of these func...

journal_title：Nature

authors： Widmer MB,Grabstein KH

更新日期：1987-04-23 00:00:00