Unified rational protein engineering with sequence-based deep representation learning.

abstract：:The quality of genetically encoded calcium indicators (GECIs) has improved dramatically in recent years, but high-performing ratiometric indicators are still rare. Here we describe a series of fluorescence resonance energy transfer (FRET)-based calcium biosensors with a reduced number of calcium binding sites per sens...

journal_title：Nature methods

authors： Thestrup T,Litzlbauer J,Bartholomäus I,Mues M,Russo L,Dana H,Kovalchuk Y,Liang Y,Kalamakis G,Laukat Y,Becker S,Witte G,Geiger A,Allen T,Rome LC,Chen TW,Kim DS,Garaschuk O,Griesinger C,Griesbeck O

更新日期：2014-02-01 00:00:00

abstract：:We developed a multiplex sequencing-by-synthesis method combining terminal phosphate-labeled fluorogenic nucleotides (TPLFNs) and resealable polydimethylsiloxane (PDMS) microreactors. In the presence of phosphatase, primer extension by DNA polymerase using nonfluorescent TPLFNs generates fluorophores, which are confin...

journal_title：Nature methods

authors： Sims PA,Greenleaf WJ,Duan H,Xie XS

更新日期：2011-06-12 00:00:00

abstract：:We developed a general approach that allows unnatural amino acids with diverse physicochemical and biological properties to be genetically encoded in mammalian cells. A mutant Escherichia coli aminoacyl-tRNA synthetase (aaRS) is first evolved in yeast to selectively aminoacylate its tRNA with the unnatural amino acid ...

journal_title：Nature methods

authors： Liu W,Brock A,Chen S,Chen S,Schultz PG

更新日期：2007-03-01 00:00:00

abstract：:Tumor-initiating cells with stem cell properties are believed to sustain the growth of gliomas, but proposed markers such as CD133 cannot be used to identify these cells with sufficient specificity. We report an alternative isolation method purely based on phenotypic qualities of glioma-initiating cells (GICs), avoidi...

journal_title：Nature methods

authors： Clément V,Marino D,Cudalbu C,Hamou MF,Mlynarik V,de Tribolet N,Dietrich PY,Gruetter R,Hegi ME,Radovanovic I

更新日期：2010-03-01 00:00:00

abstract：:Methods for genomic analysis at single-cell resolution enable new understanding of complex biological phenomena. Single-cell techniques, ranging from flow cytometry and microfluidics to PCR and sequencing, are used to understand the cellular composition of complex tissues, find new microbial species and perform genome...

journal_title：Nature methods

authors： Kalisky T,Quake SR

更新日期：2011-04-01 00:00:00

abstract：:Protein function often depends on the exchange between conformational substates. Allosteric ligand binding or distal mutations can stabilize specific active-site conformations and consequently alter protein function. Observing alternative conformations at low levels of electron density, in addition to comparison of in...

journal_title：Nature methods

authors： van den Bedem H,Bhabha G,Yang K,Wright PE,Fraser JS

更新日期：2013-09-01 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：:Protein-RNA networks are ubiquitous and central in biological control. We present an approach termed RNA Tagging that enables the user to identify protein-RNA interactions in vivo by analyzing purified cellular RNA, without protein purification or cross-linking. An RNA-binding protein of interest is fused to an enzyme...

journal_title：Nature methods

authors： Lapointe CP,Wilinski D,Saunders HA,Wickens M

更新日期：2015-12-01 00:00:00

abstract：:We established a conditional site-specific recombination system based on dimerizable Cre recombinase-mediated recombination in the apicomplexan parasite Toxoplasma gondii. Using a new single-vector strategy that allows ligand-dependent, efficient removal of a gene of interest, we generated three knockouts of apicomple...

journal_title：Nature methods

authors： Andenmatten N,Egarter S,Jackson AJ,Jullien N,Herman JP,Meissner M

更新日期：2013-02-01 00:00:00

abstract：:Our Patterning on Topography (PoT) printing technique enables fibronectin, laminin and other proteins to be applied to biomaterial surfaces in complex geometries that are inaccessible using traditional soft lithography techniques. Engineering combinatorial surfaces that integrate topographical and biochemical micropat...

journal_title：Nature methods

authors： Sun Y,Jallerat Q,Szymanski JM,Feinberg AW

更新日期：2015-02-01 00:00:00

abstract：:The study of protein-protein interactions by mass spectrometry is an increasingly important part of post-genomics strategies to understand protein function. A variety of mass spectrometry-based approaches allow characterization of cellular protein assemblies under near-physiological conditions and subsequent assignmen...

journal_title：Nature methods

authors： Köcher T,Superti-Furga G

更新日期：2007-10-01 00:00:00

abstract：:High-resolution optical imaging is critical to understanding brain function. We demonstrate that three-photon microscopy at 1,300-nm excitation enables functional imaging of GCaMP6s-labeled neurons beyond the depth limit of two-photon microscopy. We record spontaneous activity from up to 150 neurons in the hippocampal...

journal_title：Nature methods

authors： Ouzounov DG,Wang T,Wang M,Feng DD,Horton NG,Cruz-Hernández JC,Cheng YT,Reimer J,Tolias AS,Nishimura N,Xu C

更新日期：2017-04-01 00:00:00

abstract：:We developed a quantitative PCR method featuring a reusable single-cell cDNA library immobilized on beads for measuring the expression of multiple genes in a single cell. We used this method to analyze multiple cDNA targets (from several copies to several hundred thousand copies) with an experimental error of 15.9% or...

journal_title：Nature methods

authors： Taniguchi K,Kajiyama T,Kambara H

更新日期：2009-07-01 00:00:00

abstract：:Measuring complete gene expression profiles for a large number of experiments is costly. We propose an approach in which a small subset of probes is selected based on a preliminary set of full expression profiles. In subsequent experiments, only the subset is measured, and the missing values are inputed. We developed ...

journal_title：Nature methods

authors： Donner Y,Feng T,Benoist C,Koller D

更新日期：2012-11-01 00:00:00

abstract：:Drug-inducible systems allowing the control of gene expression in mammalian cells are invaluable tools for genetic research, and could also fulfill essential roles in gene- and cell-based therapy. Currently available systems, however, often have limited in vivo functionality because of leakiness, insufficient levels o...

journal_title：Nature methods

authors： Szulc J,Wiznerowicz M,Sauvain MO,Trono D,Aebischer P

更新日期：2006-02-01 00:00:00

abstract：:The ability to image RNA identity and location with nanoscale precision in intact tissues is of great interest for defining cell types and states in normal and pathological biological settings. Here, we present a strategy for expansion microscopy of RNA. We developed a small-molecule linker that enables RNA to be cova...

journal_title：Nature methods

authors： Chen F,Wassie AT,Cote AJ,Sinha A,Alon S,Asano S,Daugharthy ER,Chang JB,Marblestone A,Church GM,Raj A,Boyden ES

更新日期：2016-08-01 00:00:00

abstract：:Time resolution of current single-molecule fluorescence techniques is limited to milliseconds because of dye blinking and bleaching. Here we introduce a photoprotection strategy that affords microsecond resolution by combining efficient triplet quenching by oxygen and Trolox with minimized bleaching via the oxygen rad...

journal_title：Nature methods

authors： Campos LA,Liu J,Wang X,Ramanathan R,English DS,Muñoz V

更新日期：2011-02-01 00:00:00

abstract：:We introduce field synthesis, a theorem and method that can be used to synthesize any scanned or dithered light sheet, including those used in lattice light-sheet microscopy (LLSM), from an incoherent superposition of one-dimensional intensity distributions. Compared to LLSM, this user-friendly and modular approach of...

journal_title：Nature methods

authors： Chang BJ,Kittisopikul M,Dean KM,Roudot P,Welf ES,Fiolka R

更新日期：2019-03-01 00:00:00

abstract：:Electrically excitable cells are important in the normal functioning and in the pathophysiology of many biological processes. These cells are typically embedded in dense, heterogeneous tissues, rendering them difficult to target selectively with conventional electrical stimulation methods. The algal protein Channelrho...

journal_title：Nature methods

authors： Zhang F,Wang LP,Boyden ES,Deisseroth K

更新日期：2006-10-01 00:00:00

abstract：:By combining activity-based proteomics and metabolomics, researchers have developed a new systems biology strategy for characterizing enzymes in the context of metabolic networks. ...

journal_title：Nature methods

authors： Doerr A

更新日期：2007-01-01 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：:Quantification of cell-cycle state at a single-cell level is essential to understand fundamental three-dimensional (3D) biological processes such as tissue development and cancer. Analysis of 3D in vivo images, however, is very challenging. Today's best practice, manual annotation of select image events, generates arb...

journal_title：Nature methods

authors： Chittajallu DR,Florian S,Kohler RH,Iwamoto Y,Orth JD,Weissleder R,Danuser G,Mitchison TJ

更新日期：2015-06-01 00:00:00

abstract：:Despite widespread use of CRISPR, comprehensive data on the frequency and impact of Cas9-mediated off-targets in modified rodents are limited. Here we present deep-sequencing data from 81 genome-editing projects on mouse and rat genomes at 1,423 predicted off-target sites, 32 of which were confirmed, and show that hig...

journal_title：Nature methods

authors： Anderson KR,Haeussler M,Watanabe C,Janakiraman V,Lund J,Modrusan Z,Stinson J,Bei Q,Buechler A,Yu C,Thamminana SR,Tam L,Sowick MA,Alcantar T,O'Neil N,Li J,Ta L,Lima L,Roose-Girma M,Rairdan X,Durinck S,Warming S

更新日期：2018-07-01 00:00:00

abstract：:Single-molecule localization microscopy techniques have proven to be essential tools for quantitatively monitoring biological processes at unprecedented spatial resolution. However, these techniques are very low throughput and are not yet compatible with fully automated, multiparametric cellular assays. This shortcomi...

journal_title：Nature methods

authors： Beghin A,Kechkar A,Butler C,Levet F,Cabillic M,Rossier O,Giannone G,Galland R,Choquet D,Sibarita JB

更新日期：2017-12-01 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

abstract：:With potential relevance for brain-mapping work, hydrogel-based structures can now be built from within biological tissue to allow subsequent removal of lipids without mechanical disassembly of the tissue. This process creates a tissue-hydrogel hybrid that is physically stable, that preserves fine structure, proteins ...

journal_title：Nature methods

authors： Chung K,Deisseroth K

更新日期：2013-06-01 00:00:00

abstract：:We developed a caged GABA (gamma-aminobutyric acid), which, when combined with an appropriate caged glutamate, allows bimodal control of neuronal membrane potential with subcellular resolution using optically independent two-photon uncaging of each neurotransmitter. We used two-color, two-photon uncaging to fire and b...

journal_title：Nature methods

authors： Kantevari S,Matsuzaki M,Kanemoto Y,Kasai H,Ellis-Davies GC

更新日期：2010-02-01 00:00:00

abstract：:Recording light-microscopy images of large, nontransparent specimens, such as developing multicellular organisms, is complicated by decreased contrast resulting from light scattering. Early zebrafish development can be captured by standard light-sheet microscopy, but new imaging strategies are required to obtain high-...

journal_title：Nature methods

authors： Keller PJ,Schmidt AD,Santella A,Khairy K,Bao Z,Wittbrodt J,Stelzer EH

更新日期：2010-08-01 00:00:00

abstract：:Sequencing of RNA 3' ends has uncovered numerous sites that do not correspond to the termination sites of known transcripts. Through their 3' untranslated regions, protein-coding RNAs interact with RNA-binding proteins and microRNAs, which regulate many properties, including RNA stability and subcellular localization....

journal_title：Nature methods

authors： Gruber AJ,Gypas F,Riba A,Schmidt R,Zavolan M

更新日期：2018-10-01 00:00:00

abstract：:Methods for visualizing protein or nucleic acid motifs have traditionally relied upon residue frequencies to graphically scale character heights. We describe the pLogo, a motif visualization in which residue heights are scaled relative to their statistical significance. A pLogo generation tool is publicly available at...

journal_title：Nature methods

authors： O'Shea JP,Chou MF,Quader SA,Ryan JK,Church GM,Schwartz D

更新日期：2013-12-01 00:00:00