Met-enkephalin-Arg6-Phe7, present in high amounts in brain of rat, cattle and man, is an opioid agonist.

abstract：:Cells sense the context in which they grow to adapt their phenotype and allow multicellular patterning by mechanisms of autocrine and paracrine signalling. However, patterns also form in cell populations exposed to the same signalling molecules and substratum, which often correlate with specific features of the popula...

journal_title：Nature

authors： Frechin M,Stoeger T,Daetwyler S,Gehin C,Battich N,Damm EM,Stergiou L,Riezman H,Pelkmans L

更新日期：2015-07-02 00:00:00

abstract：:Hereditary persistance of fetal haemoglobin (HPFH) is a benign condition characterized by the production in adulthood of more than 1% fetal haemoglobin (HbF, alpha 2 gamma 2) in the absence of erythropoietic stress. Several genetic types have been discerned based on the level of HbF produced, the relative contribution...

journal_title：Nature

authors： Collins FS,Metherall JE,Yamakawa M,Pan J,Weissman SM,Forget BG

更新日期：1985-01-24 00:00:00

abstract：:A fascinating question in biology is how molecular changes in developmental pathways lead to macroevolutionary changes in morphology. Mutations in homeotic (Hox) genes have long been suggested as potential causes of morphological evolution, and there is abundant evidence that some changes in Hox expression patterns co...

journal_title：Nature

authors： Ronshaugen M,McGinnis N,McGinnis W

更新日期：2002-02-21 00:00:00

abstract：:Transcription factors recognize specific genomic sequences to regulate complex gene-expression programs. Although it is well-established that transcription factors bind to specific DNA sequences using a combination of base readout and shape recognition, some fundamental aspects of protein-DNA binding remain poorly und...

journal_title：Nature

authors： Afek A,Shi H,Rangadurai A,Sahay H,Senitzki A,Xhani S,Fang M,Salinas R,Mielko Z,Pufall MA,Poon GMK,Haran TE,Schumacher MA,Al-Hashimi HM,Gordân R

更新日期：2020-11-01 00:00:00

abstract：:Change history: In Fig. 1c of this Letter, the two graphs were duplicates. The right panel of Fig. 1c has been corrected online. ...

journal_title：Nature

authors： Lai B,Gao W,Cui K,Xie W,Tang Q,Jin W,Hu G,Ni B,Zhao K

更新日期：2018-12-01 00:00:00

abstract：:More than 30 years ago, human beings looked back from the Moon to see the magnificent spectacle of Earth-rise. The technology that put us into space has since been used to assess the damage we are doing to our natural environment and is now being harnessed to monitor and predict diseases through space and time. Satell...

journal_title：Nature

authors： Rogers DJ,Randolph SE,Snow RW,Hay SI

更新日期：2002-02-07 00:00:00

abstract：:The satellites Rhea and Dione orbit within the magnetosphere of Saturn, where they are exposed to particle irradiation from trapped ions. A similar situation applies to the galilean moons Europa, Ganymede and Callisto, which reside within Jupiter's radiation belts. All of these satellites have surfaces rich in water i...

journal_title：Nature

authors： Noll KS,Roush TL,Cruikshank DP,Johnson RE,Pendleton YJ

更新日期：1997-07-03 00:00:00

abstract：:Targeting of proteins to appropriate subcellular compartments is a crucial process in all living cells. Secretory and membrane proteins usually contain an amino-terminal signal peptide, which is recognized by the signal recognition particle (SRP) when nascent polypeptide chains emerge from the ribosome. The SRP-riboso...

journal_title：Nature

authors： Janda CY,Li J,Oubridge C,Hernández H,Robinson CV,Nagai K

更新日期：2010-05-27 00:00:00

abstract：:Brevetoxin A is the most potent neurotoxin secreted by Gymnodinium breve Davis, a marine organism often associated with harmful algal blooms known as 'red tides'. The compound, whose mechanism of action involves binding to and opening of sodium channels, is sufficiently toxic to kill fish at concentrations of nanogram...

journal_title：Nature

authors： Nicolaou KC,Yang Z,Shi G,Gunzner JL,Agrios KA,Gärtner P

更新日期：1998-03-19 00:00:00

abstract：:The Fanconi anaemia (FA) pathway repairs DNA damage caused by endogenous and chemotherapy-induced DNA crosslinks, and responds to replication stress1,2. Genetic inactivation of this pathway by mutation of genes encoding FA complementation group (FANC) proteins impairs development, prevents blood production and promote...

journal_title：Nature

authors： Shakeel S,Rajendra E,Alcón P,O'Reilly F,Chorev DS,Maslen S,Degliesposti G,Russo CJ,He S,Hill CH,Skehel JM,Scheres SHW,Patel KJ,Rappsilber J,Robinson CV,Passmore LA

更新日期：2019-11-01 00:00:00

abstract：:Botulinum neurotoxin A (BoNT/A) belongs to the most dangerous class of bioweapons. Despite this, BoNT/A is used to treat a wide range of common medical conditions such as migraines and a variety of ocular motility and movement disorders. BoNT/A is probably best known for its use as an antiwrinkle agent in cosmetic app...

journal_title：Nature

authors： Benoit RM,Frey D,Hilbert M,Kevenaar JT,Wieser MM,Stirnimann CU,McMillan D,Ceska T,Lebon F,Jaussi R,Steinmetz MO,Schertler GF,Hoogenraad CC,Capitani G,Kammerer RA

更新日期：2014-01-02 00:00:00

abstract：:Insulin is the primary hormone involved in glucose homeostasis, and impairment of insulin action and/or secretion has a critical role in the pathogenesis of diabetes mellitus. Type-II SH2-domain-containing inositol 5-phosphatase, or 'SHIP2', is a member of the inositol polyphosphate 5-phosphatase family. In vitro stud...

journal_title：Nature

authors： Clément S,Krause U,Desmedt F,Tanti JF,Behrends J,Pesesse X,Sasaki T,Penninger J,Doherty M,Malaisse W,Dumont JE,Le Marchand-Brustel Y,Erneux C,Hue L,Schurmans S

更新日期：2001-01-04 00:00:00

abstract：:The Tharsis region is the largest volcanic complex on Mars and in the Solar System. Young lava flows cover its surface (from the Amazonian period, less than 3 billion years ago) but its growth started during the Noachian era (more than 3.7 billion years ago). Its position has induced a reorientation of the planet with...

journal_title：Nature

authors： Bouley S,Baratoux D,Matsuyama I,Forget F,Séjourné A,Turbet M,Costard F

更新日期：2016-03-17 00:00:00

abstract：:A magnetic field penetrates a superconductor through an array of 'vortices', each of which carries one quantum of flux that is surrounded by a circulating supercurrent. In this vortex state, the resistivity is determined by the dynamical properties of the vortex 'matter'. For the high-temperature copper oxide supercon...

journal_title：Nature

authors： Bouquet F,Marcenat C,Steep E,Calemczuk R,Kwok WK,Welp U,Crabtree GW,Fisher RA,Phillips NE,Schilling A

更新日期：2001-05-24 00:00:00

abstract：:Midbrain dopamine neurons are activated by reward or sensory stimuli predicting reward. These excitatory responses increase as the reward value increases. This response property has led to a hypothesis that dopamine neurons encode value-related signals and are inhibited by aversive events. Here we show that this is tr...

journal_title：Nature

authors： Matsumoto M,Hikosaka O

更新日期：2009-06-11 00:00:00

abstract：:The immunophilins cyclophilin and FK506 binding protein (FKBP) are small, predominantly soluble proteins that bind the immunosuppressant drugs cyclosporin A and FK506, respectively, with high affinity, and which seem to mediate their pharmacological actions. The Ca(2+)-dependent protein phosphatase, calcineurin, binds...

journal_title：Nature

authors： Steiner JP,Dawson TM,Fotuhi M,Glatt CE,Snowman AM,Cohen N,Snyder SH

更新日期：1992-08-13 00:00:00

abstract：:N-glycosylation of proteins in the endoplasmic reticulum (ER) has a central role in protein quality control. Here we report that N-glycan serves as a signal for degradation by the Skp1-Cullin1-Fbx2-Roc1 (SCF(Fbx2)) ubiquitin ligase complex. The F-box protein Fbx2 (ref. 4) binds specifically to proteins attached to N-l...

journal_title：Nature

authors： Yoshida Y,Chiba T,Tokunaga F,Kawasaki H,Iwai K,Suzuki T,Ito Y,Matsuoka K,Yoshida M,Tanaka K,Tai T

更新日期：2002-07-25 00:00:00

abstract：:Cells are organized on length scales ranging from ångström to micrometres. However, the mechanisms by which ångström-scale molecular properties are translated to micrometre-scale macroscopic properties are not well understood. Here we show that interactions between diverse synthetic, multivalent macromolecules (includ...

journal_title：Nature

authors： Li P,Banjade S,Cheng HC,Kim S,Chen B,Guo L,Llaguno M,Hollingsworth JV,King DS,Banani SF,Russo PS,Jiang QX,Nixon BT,Rosen MK

更新日期：2012-03-07 00:00:00

abstract：:The development of a multicellular organism involves a delicate balance among the processes of proliferation, differentiation and death. Naturally occurring cell death aids tissue remodelling, eliminates supernumerary cell populations and provides structural elements such as hair and skin. In the nervous system, selec...

journal_title：Nature

authors： Smeyne RJ,Vendrell M,Hayward M,Baker SJ,Miao GG,Schilling K,Robertson LM,Curran T,Morgan JI

更新日期：1993-05-13 00:00:00

abstract：: ...

journal_title：Nature

authors：

更新日期：2018-11-01 00:00:00

abstract：:Mating and egg laying are tightly cooordinated events in the reproductive life of all oviparous females. Oviposition is typically rare in virgin females but is initiated after copulation. Here we identify the neural circuitry that links egg laying to mating status in Drosophila melanogaster. Activation of female-speci...

journal_title：Nature

authors： Wang F,Wang K,Forknall N,Patrick C,Yang T,Parekh R,Bock D,Dickson BJ

更新日期：2020-03-01 00:00:00

abstract：:DNA-binding repressor proteins mediate regulation of yeast genes by cell type (Mcm1/alpha 2 and a1/alpha 2), glucose (Mig1) and oxygen (Rox1) (refs 1-4 respectively). An unusual feature of all these regulatory pathways is that transcriptional repression requires two physically associated proteins that do not bind DNA ...

journal_title：Nature

authors： Tzamarias D,Struhl K

更新日期：1994-06-30 00:00:00

abstract：:A single base-pair mutation (beta s) in codon 6 of the human beta-globin gene, causing a single amino-acid substitution, is the cause of sickle cell anaemia. The mutant haemoglobin molecule, HbS, polymerizes when deoxygenated and causes deformation of the erythrocytes to a characteristic 'sickled' shape. Sickling of c...

journal_title：Nature

authors： Greaves DR,Fraser P,Vidal MA,Hedges MJ,Ropers D,Luzzatto L,Grosveld F

更新日期：1990-01-11 00:00:00

abstract：:Since the discovery that epidermal growth factor (EGF) can accelerate opening of the eyelids, the EGF receptor (EGF-R) has been extensively studied and is now considered to be a prototype tyrosine kinase receptor. Binding of EGF or of transforming growth factor-alpha (TGF-alpha) or other related factors activates the ...

journal_title：Nature

authors： Miettinen PJ,Berger JE,Meneses J,Phung Y,Pedersen RA,Werb Z,Derynck R

更新日期：1995-07-27 00:00:00

abstract：:Plasmodium falciparum infected erythrocytes containing mature trophozoites and schizonts sequester along venular endothelium and are not in the peripheral circulation of patients with malaria. Knobs appear on infected erythrocytes and are the points of attachment to endothelium. Sequestration may protect the parasite ...

journal_title：Nature

authors： Roberts DD,Sherwood JA,Spitalnik SL,Panton LJ,Howard RJ,Dixit VM,Frazier WA,Miller LH,Ginsburg V

更新日期：1985-11-07 00:00:00

abstract：:Inflammasomes are intracellular protein complexes that drive the activation of inflammatory caspases. So far, four inflammasomes involving NLRP1, NLRP3, NLRC4 and AIM2 have been described that recruit the common adaptor protein ASC to activate caspase-1, leading to the secretion of mature IL-1β and IL-18 proteins. The...

journal_title：Nature

authors： He Y,Zeng MY,Yang D,Motro B,Núñez G

更新日期：2016-02-18 00:00:00

abstract：:The innate immune system is critical for the early detection of invading pathogens and for initiating cellular host defence countermeasures, which include the production of type I interferon (IFN). However, little is known about how the innate immune system is galvanized to respond to DNA-based microbes. Here we show ...

journal_title：Nature

authors： Ishikawa H,Ma Z,Barber GN

更新日期：2009-10-08 00:00:00

abstract：:Complex topological configurations are fertile ground for exploring emergent phenomena and exotic phases in condensed-matter physics. For example, the recent discovery of polarization vortices and their associated complex-phase coexistence and response under applied electric fields in superlattices of (PbTiO3)n/(SrTiO...

journal_title：Nature

authors： Das S,Tang YL,Hong Z,Gonçalves MAP,McCarter MR,Klewe C,Nguyen KX,Gómez-Ortiz F,Shafer P,Arenholz E,Stoica VA,Hsu SL,Wang B,Ophus C,Liu JF,Nelson CT,Saremi S,Prasad B,Mei AB,Schlom DG,Íñiguez J,García-Fernández P

更新日期：2019-04-01 00:00:00

abstract：:Human activities are causing Earth's sixth major extinction event-an accelerating decline of the world's stocks of biological diversity at rates 100 to 1,000 times pre-human levels. Historically, low-impact intrusion into species habitats arose from local demands for food, fuel and living space. However, in today's in...

journal_title：Nature

authors： Lenzen M,Moran D,Kanemoto K,Foran B,Lobefaro L,Geschke A

更新日期：2012-06-06 00:00:00

abstract：:The process of DNA recognition by the activated form of the restriction endonuclease from E. coli K involves three enzyme-DNA complexes which can be differentiated experimentally. These are: an initial complex formed at a nonspecific site; a recognition complex involving the host specificity site; and a cleavage compl...

journal_title：Nature

authors： Yuan R,Bickle TA,Ebbers W,Brack C

更新日期：1975-08-14 00:00:00