On analyzing scientific fraud.

abstract：: ...

journal_title：Nature

authors： Del Bello L

更新日期：2018-12-01 00:00:00

abstract：:Ionic currents from individual K+ channels in squid axon membrane have been recorded. At hyperpolarizing membrane voltages, unit events occur as widely spaced rectangular pulses with short interruptions. The frequency of occurrence of the units increases strongly when the membrane is depolarized. ...

journal_title：Nature

authors： Conti F,Neher E

更新日期：1980-05-15 00:00:00

abstract：:A non-discriminatory base analogue, or universal base, would be an invaluable component of oligonucleotide probes and primers for solving the design problems that arise as a result of the degeneracy of the genetic code, or when only fragmentary peptide sequence data are available. We have designed an alternative to pr...

journal_title：Nature

authors： Nichols R,Andrews PC,Zhang P,Bergstrom DE

更新日期：1994-06-09 00:00:00

abstract：:The evolution of snakes involved major changes in vertebrate body plan organization, but the developmental basis of those changes is unknown. The python axial skeleton consists of hundreds of similar vertebrae, forelimbs are absent and hindlimbs are severely reduced. Combined limb loss and trunk elongation is found in...

journal_title：Nature

authors： Cohn MJ,Tickle C

更新日期：1999-06-03 00:00:00

abstract：:The mouse genetic revolution has shown repeatedly that most organs have more functions than expected. This has led to the realization that, in addition to a molecular and cellular approach, there is a need for a whole-organism study of physiology. The skeleton is an example of how a whole-organism approach to physiolo...

journal_title：Nature

authors： Karsenty G,Ferron M

更新日期：2012-01-18 00:00:00

abstract：:The distribution of geochemical species in the Earth's interior is largely controlled by fractional melting and crystallization processes that are intimately linked to the thermal state and evolution of the mantle. The existence of patches of dense partial melt at the base of the Earth's mantle, together with estimate...

journal_title：Nature

authors： Labrosse S,Hernlund JW,Coltice N

更新日期：2007-12-06 00:00:00

abstract：:Alzheimer's disease is the world's most common dementing illness. Deposition of amyloid-β peptide drives cerebral neuroinflammation by activating microglia. Indeed, amyloid-β activation of the NLRP3 inflammasome in microglia is fundamental for interleukin-1β maturation and subsequent inflammatory events. However, it r...

journal_title：Nature

authors： Heneka MT,Kummer MP,Stutz A,Delekate A,Schwartz S,Vieira-Saecker A,Griep A,Axt D,Remus A,Tzeng TC,Gelpi E,Halle A,Korte M,Latz E,Golenbock DT

更新日期：2013-01-31 00:00:00

abstract：:Representations of sensory stimuli in the cerebral cortex can undergo progressive remodelling according to the behavioural importance of the stimuli. The cortex receives widespread projections from dopamine neurons in the ventral tegmental area (VTA), which are activated by new stimuli or unpredicted rewards, and are ...

journal_title：Nature

authors： Bao S,Chan VT,Merzenich MM

更新日期：2001-07-05 00:00:00

abstract：:The maturation of RAS GTPases and approximately 200 other cellular CAAX proteins involves three enzymatic steps: addition of a farnesyl or geranylgeranyl prenyl lipid to the cysteine (C) in the C-terminal CAAX motif, proteolytic cleavage of the AAX residues and methylation of the exposed prenylcysteine residue at its ...

journal_title：Nature

authors： Diver MM,Pedi L,Koide A,Koide S,Long SB

更新日期：2018-01-25 00:00:00

abstract：:Change history: In Fig. 1b and c of this Letter, the inset times in the DIC and GFP microscopy images should be in minutes ('min') instead of seconds ('s'). This has not been corrected online. ...

journal_title：Nature

authors： Stewart MP,Helenius J,Toyoda Y,Ramanathan SP,Muller DJ,Hyman AA

更新日期：2019-07-01 00:00:00

abstract：:A cholecystokinin (CCK)-inactivating peptidase was purified and identified as a membrane-bound isoform of tripeptidyl peptidase II (EC 3.4.14.10), a cytosolic subtilisin-like peptidase of previously unknown functions. The peptidase was found in neurons responding to cholecystokinin, as well as in non-neuronal cells. B...

journal_title：Nature

authors： Rose C,Vargas F,Facchinetti P,Bourgeat P,Bambal RB,Bishop PB,Chan SM,Moore AN,Ganellin CR,Schwartz JC

更新日期：1996-04-04 00:00:00

abstract：:Naturally occurring peptides with biological actions have in most cases been detected by observing their biological activities in crude extracts and their isolation has been followed using bioassays. As a complement to the classical biological detection systems, we have proposed a chemical detection system based on fr...

journal_title：Nature

authors： Tatemoto K,Mutt V

更新日期：1980-06-05 00:00:00

abstract：:Ice flow along land-terminating margins of the Greenland Ice Sheet (GIS) varies considerably in response to fluctuating inputs of surface meltwater to the bed of the ice sheet. Such inputs lubricate the ice-bed interface, transiently speeding up the flow of ice. Greater melting results in faster ice motion during summ...

journal_title：Nature

authors： Tedstone AJ,Nienow PW,Gourmelen N,Dehecq A,Goldberg D,Hanna E

更新日期：2015-10-29 00:00:00

abstract：:Division of spermatogonial stem cells produces daughter cells that either maintain their stem cell identity or undergo differentiation to form mature sperm. The Sertoli cell, the only somatic cell within seminiferous tubules, provides the stem cell niche through physical support and expression of surface proteins and ...

journal_title：Nature

authors： Chen C,Ouyang W,Grigura V,Zhou Q,Carnes K,Lim H,Zhao GQ,Arber S,Kurpios N,Murphy TL,Cheng AM,Hassell JA,Chandrashekar V,Hofmann MC,Hess RA,Murphy KM

更新日期：2005-08-18 00:00:00

abstract：:Copy number variants (CNVs) are major contributors to genetic disorders. We have dissected a region of the 16p11.2 chromosome--which encompasses 29 genes--that confers susceptibility to neurocognitive defects when deleted or duplicated. Overexpression of each human transcript in zebrafish embryos identified KCTD13 as ...

journal_title：Nature

authors： Golzio C,Willer J,Talkowski ME,Oh EC,Taniguchi Y,Jacquemont S,Reymond A,Sun M,Sawa A,Gusella JF,Kamiya A,Beckmann JS,Katsanis N

更新日期：2012-05-16 00:00:00

abstract：:The development of colloidal quantum dots has led to practical applications of quantum confinement, such as in solution-processed solar cells, lasers and as biological labels. Further scientific and technological advances should be achievable if these colloidal quantum systems could be electronically coupled in a gene...

journal_title：Nature

authors： Milliron DJ,Hughes SM,Cui Y,Manna L,Li J,Wang LW,Alivisatos AP

更新日期：2004-07-08 00:00:00

abstract：:gamma-Aminobutyric acid (GABA), a major inhibitory neurotransmitter in the mammalian nervous system, is known to operate bicuculline-sensitive Cl- channels through GABAA receptors and bicuculline-insensitive cation channels through GABAB receptors. Recent observations indicate that the retina may contain GABA receptor...

journal_title：Nature

authors： Feigenspan A,Wässle H,Bormann J

更新日期：1993-01-14 00:00:00

abstract：:In epithelial Madin-Darby canine kidney (MDCK) cells newly synthesized molecules are sorted in the trans-Golgi network and directly delivered to their apical and basolateral surface destinations. Sorting is mediated by signals in the cytoplasmic domains of basolateral transmembrane proteins whereas glycosylphosphatidy...

journal_title：Nature

authors： Scheiffele P,Peränen J,Simons K

更新日期：1995-11-02 00:00:00

abstract：:The developmental fate of immature thymocytes is determined by the specificity of their T-cell antigen receptors (TCRs). Immature CD4+8+ thymocytes are positively selected to differentiate into mature T cells by recognition of peptides associated with major histocompatibility complex (MHC) encoded molecules on thymic ...

journal_title：Nature

authors： Takahama Y,Suzuki H,Katz KS,Grusby MJ,Singer A

更新日期：1994-09-01 00:00:00

abstract：:We have shown previously that chemically skinned fibre bundles from scallop muscle can be desensitized to the action of calcium by the removal of the regulatory light chains of myosin and that sensitivity can be restored by the re-addition of scallop light chains. We have now confirmed these results and extended our o...

journal_title：Nature

authors： Simmons RM,Szent-Györgyi AG

更新日期：1980-08-07 00:00:00

abstract：:Combined analyses of gene networks and DNA sequence variation can provide new insights into the aetiology of common diseases that may not be apparent from genome-wide association studies alone. Recent advances in rat genomics are facilitating systems-genetics approaches. Here we report the use of integrated genome-wid...

journal_title：Nature

authors： Heinig M,Petretto E,Wallace C,Bottolo L,Rotival M,Lu H,Li Y,Sarwar R,Langley SR,Bauerfeind A,Hummel O,Lee YA,Paskas S,Rintisch C,Saar K,Cooper J,Buchan R,Gray EE,Cyster JG,Cardiogenics Consortium.,Erdmann J,Heng

更新日期：2010-09-23 00:00:00

abstract：:The recognition of foreign antigens by T lymphocytes is essential to most adaptive immune responses. It is driven by specific T-cell antigen receptors (TCRs) binding to antigenic peptide-major histocompatibility complex (pMHC) molecules on other cells. If productive, these interactions promote the formation of an immu...

journal_title：Nature

authors： Huppa JB,Axmann M,Mörtelmaier MA,Lillemeier BF,Newell EW,Brameshuber M,Klein LO,Schütz GJ,Davis MM

更新日期：2010-02-18 00:00:00

abstract：:Some plasmid DNAs, when maintained in wild-type Escherichia coli strains, form high levels of oligomeric species while others remain primarily monomers. One explanation of this observation is that the plasmids that do not form circular oligomers lack a DNA sequence necessary for the formation or maintenance of circula...

journal_title：Nature

authors： James AA,Morrison PT,Kolodner R

更新日期：1983-05-19 00:00:00

abstract：:Humans and other animals must often make decisions on the basis of imperfect evidence. Statisticians use measures such as P values to assign degrees of confidence to propositions, but little is known about how the brain computes confidence estimates about decisions. We explored this issue using behavioural analysis an...

journal_title：Nature

authors： Kepecs A,Uchida N,Zariwala HA,Mainen ZF

更新日期：2008-09-11 00:00:00

abstract：:The evolutionary biologist "studies the steps by which the miraculous adaptations so characteristic of every aspect of the organic world have evolved". But the general nature of such adaptive steps is still unclear. Evolution is often thought to be random and dependent on unpredictable events. In this light, one might...

journal_title：Nature

authors： Gerrish P

更新日期：2001-09-20 00:00:00

abstract：:Because it is so tall, the giraffe, Giraffa camelopardalis, provides an important animal model for investigating adaptive mechanisms to orthostatic (gravitational) pressure changes. Previous physiological studies of the giraffe have concentrated on arterial blood pressures in the heart and neck. Briefly, these investi...

journal_title：Nature

authors： Hargens AR,Millard RW,Pettersson K,Johansen K

更新日期：1987-09-03 00:00:00

abstract：:We describe here a new view of primary visual cortex (V1) based on measurements of neural responses in V1 to patterns called 'illusory contours' (Fig. 1a, b). Detection of an object's boundary contours is a fundamental visual task. Boundary contours are defined by discontinuities not only in luminance and colour, but ...

journal_title：Nature

authors： Grosof DH,Shapley RM,Hawken MJ

更新日期：1993-10-07 00:00:00

abstract：:Interest in mapping the global distribution of malaria is motivated by a need to define populations at risk for appropriate resource allocation and to provide a robust framework for evaluating its global economic impact. Comparison of older and more recent malaria maps shows how the disease has been geographically res...

journal_title：Nature

authors： Snow RW,Guerra CA,Noor AM,Myint HY,Hay SI

更新日期：2005-03-10 00:00:00

abstract：:Xenoturbellida and Acoelomorpha are marine worms with contentious ancestry. Both were originally associated with the flatworms (Platyhelminthes), but molecular data have revised their phylogenetic positions, generally linking Xenoturbellida to the deuterostomes and positioning the Acoelomorpha as the most basally bran...

journal_title：Nature

authors： Philippe H,Brinkmann H,Copley RR,Moroz LL,Nakano H,Poustka AJ,Wallberg A,Peterson KJ,Telford MJ

更新日期：2011-02-10 00:00:00

abstract：:The most striking feature of the Sun's magnetic field is its cyclic behaviour. The number of sunspots, which are dark regions of strong magnetic field on the Sun's surface, varies with a period of about 11 years. Superposed on this cycle are secular changes that occur on timescales of centuries and events like the Mau...

journal_title：Nature

authors： Solanki SK,Schüssler M,Fligge M

更新日期：2000-11-23 00:00:00