Varying label density allows artifact-free analysis of membrane-protein nanoclusters.

abstract：:Gene expression is extensively regulated at the levels of mRNA stability, localization and translation. However, decoding functional RNA-regulatory features remains a limitation to understanding post-transcriptional regulation in vivo. Here, we developed RNA-element selection assay (RESA), a method that selects RNA el...

journal_title：Nature methods

authors： Yartseva V,Takacs CM,Vejnar CE,Lee MT,Giraldez AJ

更新日期：2017-02-01 00:00:00

abstract：:A new system for lineage ablation is based on transgenic expression of a diphtheria toxin receptor (DTR) in mouse cells and application of diphtheria toxin (DT). To streamline this approach, we generated Cre-inducible DTR transgenic mice (iDTR) in which Cre-mediated excision of a STOP cassette renders cells sensitive ...

journal_title：Nature methods

authors： Buch T,Heppner FL,Tertilt C,Heinen TJ,Kremer M,Wunderlich FT,Jung S,Waisman A

更新日期：2005-06-01 00:00:00

abstract：:Biomolecular dynamics and stability are predominantly investigated in vitro and extrapolated to explain function in the living cell. We present fast relaxation imaging (FreI), which combines fluorescence microscopy and temperature jumps to probe biomolecular dynamics and stability inside a single living cell with high...

journal_title：Nature methods

authors： Ebbinghaus S,Dhar A,McDonald JD,Gruebele M

更新日期：2010-04-01 00:00:00

abstract：:In comparison with genomics and proteomics, the advancement of glycomics has faced unique challenges in the pursuit of developing analytical and biochemical tools and biological readouts to investigate glycan structure-function relationships. Glycans are more diverse in terms of chemical structure and information dens...

journal_title：Nature methods

authors： Raman R,Raguram S,Venkataraman G,Paulson JC,Sasisekharan R

更新日期：2005-11-01 00:00:00

abstract：:Chromosome segregation requires both compaction and disentanglement of sister chromatids. We describe SisterC, a chromosome conformation capture assay that distinguishes interactions between and along identical sister chromatids. SisterC employs 5-bromo-2'-deoxyuridine (BrdU) incorporation during S-phase to label newl...

journal_title：Nature methods

authors： Oomen ME,Hedger AK,Watts JK,Dekker J

更新日期：2020-10-01 00:00:00

abstract：:An outstanding challenge of epigenome-wide association studies (EWASs) performed in complex tissues is the identification of the specific cell type(s) responsible for the observed differential DNA methylation. Here we present a statistical algorithm called CellDMC ( https://github.com/sjczheng/EpiDISH ), which can ide...

journal_title：Nature methods

authors： Zheng SC,Breeze CE,Beck S,Teschendorff AE

更新日期：2018-12-01 00:00:00

abstract：:The normalization of RNA-seq data is essential for accurate downstream inference, but the assumptions upon which most normalization methods are based are not applicable in the single-cell setting. Consequently, applying existing normalization methods to single-cell RNA-seq data introduces artifacts that bias downstrea...

journal_title：Nature methods

authors： Bacher R,Chu LF,Leng N,Gasch AP,Thomson JA,Stewart RM,Newton M,Kendziorski C

更新日期：2017-06-01 00:00:00

abstract：:New methods to quantify protein kinase activities directly from complex cellular mixtures are critical for understanding biological regulatory pathways. Herein, a fluorescence-based chemosensor strategy for the direct measurement of kinase activities in crude mammalian cell lysates is described. We first designed a ne...

journal_title：Nature methods

authors： Shults MD,Janes KA,Lauffenburger DA,Imperiali B

更新日期：2005-04-01 00:00:00

abstract：:Spontaneous and sensory-evoked activity propagates across varying spatial scales in the mammalian cortex, but technical challenges have limited conceptual links between the function of local neuronal circuits and brain-wide network dynamics. We present a method for simultaneous cellular-resolution two-photon calcium i...

journal_title：Nature methods

authors： Barson D,Hamodi AS,Shen X,Lur G,Constable RT,Cardin JA,Crair MC,Higley MJ

更新日期：2020-01-01 00:00:00

abstract：:Cells adjust to changes in environmental conditions using complex regulatory programs. These cellular programs are the result of an intricate interplay between gene expression, cellular growth and protein degradation. Technologies that enable simultaneous and time-resolved measurements of these variables are necessary...

journal_title：Nature methods

authors： Zuleta IA,Aranda-Díaz A,Li H,El-Samad H

更新日期：2014-04-01 00:00:00

abstract：:We demonstrate tracking of protein structural changes with time-resolved wide-angle X-ray scattering (TR-WAXS) with nanosecond time resolution. We investigated the tertiary and quaternary conformational changes of human hemoglobin under nearly physiological conditions triggered by laser-induced ligand photolysis. We a...

journal_title：Nature methods

authors： Cammarata M,Levantino M,Schotte F,Anfinrud PA,Ewald F,Choi J,Cupane A,Wulff M,Ihee H

更新日期：2008-10-01 00:00:00

abstract：:Zinc-finger nucleases (ZFNs) have enabled highly efficient gene targeting in multiple cell types and organisms. Here we describe methods for using simple ssDNA oligonucleotides in tandem with ZFNs to efficiently produce human cell lines with three distinct genetic outcomes: (i) targeted point mutation, (ii) targeted g...

journal_title：Nature methods

authors： Chen F,Pruett-Miller SM,Huang Y,Gjoka M,Duda K,Taunton J,Collingwood TN,Frodin M,Davis GD

更新日期：2011-07-17 00:00:00

abstract：:An amendment to this paper has been published and can be accessed via a link at the top of the paper. ...

journal_title：Nature methods

authors： Fiolka R

更新日期：2019-10-01 00:00:00

abstract：:We report attainment of subdiffraction resolution using stimulated emission depletion (STED) microscopy with GFP-labeled samples. The approximately 70 nm lateral resolution attained in this study is demonstrated by imaging GFP-labeled viruses and the endoplasmic reticulum (ER) of a mammalian cell. Our results mark the...

journal_title：Nature methods

authors： Willig KI,Kellner RR,Medda R,Hein B,Jakobs S,Hell SW

更新日期：2006-09-01 00:00:00

abstract：:Physical modeling is increasingly important for generating insights into intracellular processes. We describe situations in which combined spatial and stochastic aspects of chemical reactions are needed to capture the relevant dynamics of biochemical systems. ...

journal_title：Nature methods

authors： Mahmutovic A,Fange D,Berg OG,Elf J

更新日期：2012-12-01 00:00:00

abstract：:The RNA-guided nuclease Cas9 can be reengineered as a programmable transcription factor. However, modest levels of gene activation have limited potential applications. We describe an improved transcriptional regulator obtained through the rational design of a tripartite activator, VP64-p65-Rta (VPR), fused to nuclease...

journal_title：Nature methods

authors： Chavez A,Scheiman J,Vora S,Pruitt BW,Tuttle M,P R Iyer E,Lin S,Kiani S,Guzman CD,Wiegand DJ,Ter-Ovanesyan D,Braff JL,Davidsohn N,Housden BE,Perrimon N,Weiss R,Aach J,Collins JJ,Church GM

更新日期：2015-04-01 00:00:00

abstract：:Glial cells have been identified as key signaling components in the brain; however, methods to investigate their structure and function in vivo have been lacking. Here, we describe a new, highly selective approach for labeling astrocytes in intact rodent neocortex that allows in vivo imaging using two-photon microscop...

journal_title：Nature methods

authors： Nimmerjahn A,Kirchhoff F,Kerr JN,Helmchen F

更新日期：2004-10-01 00:00:00

abstract：:Single-molecule localization microscopy is a powerful tool for visualizing subcellular structures, interactions and protein functions in biological research. However, inhomogeneous refractive indices inside cells and tissues distort the fluorescent signal emitted from single-molecule probes, which rapidly degrades res...

journal_title：Nature methods

authors： Xu F,Ma D,MacPherson KP,Liu S,Bu Y,Wang Y,Tang Y,Bi C,Kwok T,Chubykin AA,Yin P,Calve S,Landreth GE,Huang F

更新日期：2020-05-01 00:00:00

abstract：:Phenotype-based small-molecule screening is a powerful method to identify molecules that regulate cellular functions. However, such screens are generally performed in vitro under conditions that do not necessarily model complex physiological conditions or disease states. Here, we use molecular cell barcoding to enable...

journal_title：Nature methods

authors： Grüner BM,Schulze CJ,Yang D,Ogasawara D,Dix MM,Rogers ZN,Chuang CH,McFarland CD,Chiou SH,Brown JM,Cravatt BF,Bogyo M,Winslow MM

更新日期：2016-10-01 00:00:00

abstract：:The self-renewal and differentiation of human pluripotent stem cells (hPSCs) have typically been studied in flat, two-dimensional (2D) environments. In this Perspective, we argue that 3D model systems may be needed in addition, as they mimic the natural 3D tissue organization more closely. We survey methods that have ...

journal_title：Nature methods

authors： Kraehenbuehl TP,Langer R,Ferreira LS

更新日期：2011-08-30 00:00:00

abstract：:Monomeric (m)Eos2 is an engineered photoactivatable fluorescent protein widely used for super-resolution microscopy. We show that mEos2 forms oligomers at high concentrations and forms aggregates when labeling membrane proteins, limiting its application as a fusion partner. We solved the crystal structure of tetrameri...

journal_title：Nature methods

authors： Zhang M,Chang H,Zhang Y,Yu J,Wu L,Ji W,Chen J,Liu B,Lu J,Liu Y,Zhang J,Xu P,Xu T

更新日期：2012-05-13 00:00:00

abstract：:Database searching is an essential element of large-scale proteomics. Because these methods are widely used, it is important to understand the rationale of the algorithms. Most algorithms are based on concepts first developed in SEQUEST and PeptideSearch. Four basic approaches are used to determine a match between a s...

journal_title：Nature methods

authors： Sadygov RG,Cociorva D,Yates JR 3rd

更新日期：2004-12-01 00:00:00

abstract：:We report a simple and generic method for the direct transfer of protein complexes separated by native gel electrophoresis to electron microscopy grids. After transfer, sufficient material remains in the gel for identification and characterization by mass spectrometry. The method should facilitate higher-throughput si...

journal_title：Nature methods

authors： Knispel RW,Kofler C,Boicu M,Baumeister W,Nickell S

更新日期：2012-01-08 00:00:00

abstract：:We describe a protein quantification method called neutron encoding that exploits the subtle mass differences caused by nuclear binding energy variation in stable isotopes. These mass differences are synthetically encoded into amino acids and incorporated into yeast and mouse proteins via metabolic labeling. Mass spec...

journal_title：Nature methods

authors： Hebert AS,Merrill AE,Bailey DJ,Still AJ,Westphall MS,Strieter ER,Pagliarini DJ,Coon JJ

更新日期：2013-04-01 00:00:00

abstract：:Next-generation sequencing technology is a powerful tool for transcriptome analysis. However, under certain conditions, only a small amount of material is available, which requires more sensitive techniques that can preferably be used at the single-cell level. Here we describe a single-cell digital gene expression pro...

journal_title：Nature methods

authors： Tang F,Barbacioru C,Wang Y,Nordman E,Lee C,Xu N,Wang X,Bodeau J,Tuch BB,Siddiqui A,Lao K,Surani MA

更新日期：2009-05-01 00:00:00

abstract：:The commonly used, monomeric EYFP enabled imaging of intracellular protein structures beyond the optical resolution limit ('super-resolution' imaging) in living cells. By combining photoinduced activation of single EYFP fusions and time-lapse imaging, we obtained sub-40 nm resolution images of the filamentous superstr...

journal_title：Nature methods

authors： Biteen JS,Thompson MA,Tselentis NK,Bowman GR,Shapiro L,Moerner WE

更新日期：2008-11-01 00:00:00

abstract：:Counting molecules in complexes is challenging, even with super-resolution microscopy. Here, we use the programmable and specific binding of dye-labeled DNA probes to count integer numbers of targets. This method, called quantitative points accumulation in nanoscale topography (qPAINT), works independently of dye phot...

journal_title：Nature methods

authors： Jungmann R,Avendaño MS,Dai M,Woehrstein JB,Agasti SS,Feiger Z,Rodal A,Yin P

更新日期：2016-05-01 00:00:00

abstract：:Circuit mapping requires knowledge of both structural and functional connectivity between cells. Although optical tools have been made to assess either the morphology and projections of neurons or their activity and functional connections, few probes integrate this information. We have generated a family of photoactiv...

journal_title：Nature methods

authors： Berlin S,Carroll EC,Newman ZL,Okada HO,Quinn CM,Kallman B,Rockwell NC,Martin SS,Lagarias JC,Isacoff EY

更新日期：2015-09-01 00:00:00

abstract：:Existing methods for human induced pluripotent stem cell (hiPSC) cardiac differentiation are efficient but require complex, undefined medium constituents that hinder further elucidation of the molecular mechanisms of cardiomyogenesis. Using hiPSCs derived under chemically defined conditions on synthetic matrices, we s...

journal_title：Nature methods

authors： Burridge PW,Matsa E,Shukla P,Lin ZC,Churko JM,Ebert AD,Lan F,Diecke S,Huber B,Mordwinkin NM,Plews JR,Abilez OJ,Cui B,Gold JD,Wu JC

更新日期：2014-08-01 00:00:00

abstract：:Small molecules are known to stabilize membrane proteins and to modulate their function and oligomeric state, but such interactions are often hard to precisely define. Here we develop and apply a high-resolution, Orbitrap mass spectrometry-based method for analyzing intact membrane protein-ligand complexes. Using this...

journal_title：Nature methods

authors： Gault J,Donlan JA,Liko I,Hopper JT,Gupta K,Housden NG,Struwe WB,Marty MT,Mize T,Bechara C,Zhu Y,Wu B,Kleanthous C,Belov M,Damoc E,Makarov A,Robinson CV

更新日期：2016-04-01 00:00:00