Structural basis of sterol recognition by human hedgehog receptor PTCH1.

abstract：:Several forms of hair loss in humans are characterized by the inability of hair follicles to enter the growth phase (anagen) of the hair cycle after being arrested in the resting phase (telogen). Current pharmacologic therapies have been largely unsuccessful in targeting pathways that can be selectively modulated to i...

journal_title：Science advances

authors： Harel S,Higgins CA,Cerise JE,Dai Z,Chen JC,Clynes R,Christiano AM

更新日期：2015-10-23 00:00:00

abstract：:Using theory and experiments, we study the interface between two immiscible domains in a colloidal membrane composed of rigid rods of different lengths. Geometric considerations of rigid rod packing imply that a domain of sufficiently short rods in a background membrane of long rods is more susceptible to twist than t...

journal_title：Science advances

authors： Miller JM,Hall D,Robaszewski J,Sharma P,Hagan MF,Grason GM,Dogic Z

更新日期：2020-07-29 00:00:00

abstract：:Bacterial chemotaxis-a fundamental example of directional navigation in the living world-is key to many biological processes, including the spreading of bacterial infections. Many bacterial species were recently reported to exhibit several distinct swimming modes-the flagella may, for example, push the cell body or wr...

journal_title：Science advances

authors： Alirezaeizanjani Z,Großmann R,Pfeifer V,Hintsche M,Beta C

更新日期：2020-05-27 00:00:00

abstract：:The design of single-molecule photoswitchable emitters was the first milestone toward the advent of single-molecule localization microscopy, setting a new paradigm in the field of optical imaging. Several photoswitchable emitters have been developed, but they all fluoresce in the visible or far-red ranges, missing the...

journal_title：Science advances

authors： Godin AG,Setaro A,Gandil M,Haag R,Adeli M,Reich S,Cognet L

更新日期：2019-09-27 00:00:00

abstract：:Here, we demonstrate the use of pump-probe microscopy for high-resolution studies of vermilion degradation. Vermilion (mostly α-HgS), an important red pigment used in historical paintings, blackens over time, and metallic Hg and β-HgS have been implicated as possible degradation products. Conventional analysis techniq...

journal_title：Science advances

authors： Yu J,Warren WS,Fischer MC

更新日期：2019-06-21 00:00:00

abstract：:Double seismic zones are two-layered distributions of intermediate-depth earthquakes that provide insight into the thermomechanical state of subducting slabs. We present new precise hypocenters of intermediate-depth earthquakes in the Tonga subduction zone obtained using data from local island-based, ocean-bottom, and...

journal_title：Science advances

authors： Wei SS,Wiens DA,van Keken PE,Cai C

更新日期：2017-01-11 00:00:00

abstract：:We reveal an intriguing manifestation of topology, which appears in the depletion rate of topological states of matter in response to an external drive. This phenomenon is presented by analyzing the response of a generic two-dimensional (2D) Chern insulator subjected to a circular time-periodic perturbation. Because o...

journal_title：Science advances

authors： Tran DT,Dauphin A,Grushin AG,Zoller P,Goldman N

更新日期：2017-08-18 00:00:00

abstract：:Functional materials with specific surface wettability play an important role in a wide variety of areas. Inspired by nature's Nepenthes pitcher plant, we present a novel slippery film with tunable wettability based on a shape-memory graphene sponge. The porous graphene sponge coated with shape-memory polymer was used...

journal_title：Science advances

authors： Wang J,Sun L,Zou M,Gao W,Liu C,Shang L,Gu Z,Zhao Y

更新日期：2017-06-02 00:00:00

abstract：:The control of product distribution in a multistep catalytic selective hydrogenation reaction is challenging. For instance, the deep hydrogenation of dimethyl oxalate (DMO) is inclined to proceed over Cu/SiO2 catalysts because of inevitable coexistence of Cu+ and Cu0, leading to hard acquisition of the preliminary hyd...

journal_title：Science advances

authors： Sun J,Yu J,Ma Q,Meng F,Wei X,Sun Y,Tsubaki N

更新日期：2018-12-21 00:00:00

abstract：:[This corrects the article DOI: 10.1126/sciadv.aaz7822.]. ...

journal_title：Science advances

authors：

更新日期：2020-07-08 00:00:00

abstract：:Interaction of swimming bacteria with flows controls their ability to explore complex environments, crucial to many societal and environmental challenges and relevant for microfluidic applications such as cell sorting. Combining experimental, numerical, and theoretical analysis, we present a comprehensive study of the...

journal_title：Science advances

authors： Jing G,Zöttl A,Clément É,Lindner A

更新日期：2020-07-10 00:00:00

abstract：:Reef-building corals form their calcium carbonate skeletons within an extracellular calcifying medium (ECM). Despite the critical role of the ECM in coral calcification, ECM carbonate chemistry is poorly constrained in vivo, and full ECM carbonate chemistry has never been characterized based solely on direct in vivo m...

journal_title：Science advances

authors： Sevilgen DS,Venn AA,Hu MY,Tambutté E,de Beer D,Planas-Bielsa V,Tambutté S

更新日期：2019-01-16 00:00:00

abstract：:Sustainable structural materials with light weight, great thermal dimensional stability, and superb mechanical properties are vitally important for engineering application, but the intrinsic conflict among some material properties (e.g., strength and toughness) makes it challenging to realize these performance indexes...

journal_title：Science advances

authors： Guan QF,Yang HB,Han ZM,Zhou LC,Zhu YB,Ling ZC,Jiang HB,Wang PF,Ma T,Wu HA,Yu SH

更新日期：2020-05-01 00:00:00

abstract：:Direct residential and transportation energy consumption (RTC) contributes significantly to ambient fine particulate matter with a diameter smaller than 2.5 μm (PM2.5) in China. During massive rural-urban migration, population and pollutant emissions from RTC have evolved in terms of magnitude and geographic distribut...

journal_title：Science advances

authors： Shen H,Tao S,Chen Y,Ciais P,Güneralp B,Ru M,Zhong Q,Yun X,Zhu X,Huang T,Tao W,Chen Y,Li B,Wang X,Liu W,Liu J,Zhao S

更新日期：2017-07-19 00:00:00

abstract：:Precise protein folding is essential for the survival of all cells, and protein misfolding causes a number of diseases that lack effective therapies, yet the general principles governing protein folding in the cell remain poorly understood. In vivo, folding can begin cotranslationally and protein quality control at th...

journal_title：Science advances

authors： Samelson AJ,Bolin E,Costello SM,Sharma AK,O'Brien EP,Marqusee S

更新日期：2018-05-30 00:00:00

abstract：:The picture of how a gap closes in a semiconductor has been radically transformed by topological concepts. Instead of the gap closing and immediately reopening, topological arguments predict that, in the absence of inversion symmetry, a metallic phase protected by Weyl nodes persists over a finite interval of the tuni...

journal_title：Science advances

authors： Liang T,Kushwaha S,Kim J,Gibson Q,Lin J,Kioussis N,Cava RJ,Ong NP

更新日期：2017-05-31 00:00:00

abstract：:Resistances that exceed the Mott-Ioffe-Regel limit (known as bad metal behavior) and non-Fermi liquid behavior are ubiquitous features of the normal state of many strongly correlated materials. We establish the conditions that lead to bad metal and non-Fermi liquid phases in NdNiO3, which exhibits a prototype bandwidt...

journal_title：Science advances

authors： Mikheev E,Hauser AJ,Himmetoglu B,Moreno NE,Janotti A,Van de Walle CG,Stemmer S

更新日期：2015-11-06 00:00:00

abstract：:Goat domestication was critical for agriculture and civilization, but its underlying genetic changes and selection regimes remain unclear. Here, we analyze the genomes of worldwide domestic goats, wild caprid species, and historical remains, providing evidence of an ancient introgression event from a West Caucasian tu...

journal_title：Science advances

authors： Zheng Z,Wang X,Li M,Li Y,Yang Z,Wang X,Pan X,Gong M,Zhang Y,Guo Y,Wang Y,Liu J,Cai Y,Chen Q,Okpeku M,Colli L,Cai D,Wang K,Huang S,Sonstegard TS,Esmailizadeh A,Zhang W,Zhang T,Xu Y,Xu N,Yang Y,Han J,C

更新日期：2020-05-20 00:00:00

abstract：:An understanding of the normal state in the high-temperature superconducting cuprates is crucial to the ultimate understanding of the long-standing problem of the origin of the superconductivity itself. This so-called "strange metal" state is thought to be associated with a quantum critical point (QCP) hidden beneath ...

journal_title：Science advances

authors： Sarkar T,Mandal PR,Poniatowski NR,Chan MK,Greene RL

更新日期：2019-05-17 00:00:00

abstract：:Fluid commonly flows in response to an external pressure gradient. However, when a tunnel-containing hydrogel is immersed in water, spontaneous flow occurs through the tunnel without any pressure gradient. We confirmed this flow in a wide range of plant- and animal-derived hydrogels. The flow appears to be driven by a...

journal_title：Science advances

authors： Li Z,Pollack GH

更新日期：2020-05-08 00:00:00

abstract：:Can mating influence cognitive functions such as learning and memory in a permanent way? We have addressed this question using a combined behavioral and in vivo imaging approach, finding that aversive long-term memory performance strongly increases in Drosophila females in response to sperm transfer following mating. ...

journal_title：Science advances

authors： Scheunemann L,Lampin-Saint-Amaux A,Schor J,Preat T

更新日期：2019-11-20 00:00:00

abstract：:Achieving perovskite-based high-color purity blue-emitting light-emitting diodes (LEDs) is still challenging. Here, we report successful synthesis of a series of blue-emissive two-dimensional Ruddlesden-Popper phase single crystals and their high-color purity blue-emitting LED demonstrations. Although this approach su...

journal_title：Science advances

authors： Chen H,Lin J,Kang J,Kong Q,Lu D,Kang J,Lai M,Quan LN,Lin Z,Jin J,Wang LW,Toney MF,Yang P

更新日期：2020-01-24 00:00:00

abstract：:Functionally graded materials (FGMs) enable applications in fields such as biomedicine and architecture, but their fabrication suffers from shortcomings in gradient continuity, interfacial bonding, and directional freedom. In addition, most commercial design software fail to incorporate property gradient data, hinderi...

journal_title：Science advances

authors： Giachini PAGS,Gupta SS,Wang W,Wood D,Yunusa M,Baharlou E,Sitti M,Menges A

更新日期：2020-02-21 00:00:00

abstract：:Dust condensation and coagulation in the early solar system are the first steps toward forming the terrestrial planets, but the time scales of these processes remain poorly constrained. Through isotopic analysis of small Ca-Al-rich inclusions (CAIs) (30 to 100 μm in size) found in one of the most pristine chondrites, ...

journal_title：Science advances

authors： Liu MC,Han J,Brearley AJ,Hertwig AT

更新日期：2019-09-11 00:00:00

abstract：:Black phosphorus quantum dots (BPQDs) are proposed as effective seed-like sites to modulate the nucleation and growth of CsPbI2Br perovskite crystalline thin layers, allowing an enhanced crystallization and remarkable morphological improvement. We reveal that the lone-pair electrons of BPQDs can induce strong binding ...

journal_title：Science advances

authors： Gong X,Guan L,Li Q,Li Y,Zhang T,Pan H,Sun Q,Shen Y,Grätzel C,Zakeeruddin SM,Grätzel M,Wang M

更新日期：2020-04-10 00:00:00

abstract：:Like most homeostatic systems, adiposity in mammals is defended between upper and lower boundary conditions. While leptin and melanocortin-4 receptor (MC4R) signaling are required for defending energy set point, mechanisms controlling upper and lower homeostatic boundaries are less well understood. In contrast to the ...

journal_title：Science advances

authors： Ghamari-Langroudi M,Cakir I,Lippert RN,Sweeney P,Litt MJ,Ellacott KLJ,Cone RD

更新日期：2018-08-22 00:00:00

abstract：:Conjugated polymer-polyelectrolyte blends combine and couple electronic semiconductor functionality with selective ionic transport, making them attractive as the active material in organic biosensors and bioelectronics, electrochromic displays, neuromorphic computing, and energy conversion and storage. Although extens...

journal_title：Science advances

authors： Tybrandt K,Zozoulenko IV,Berggren M

更新日期：2017-12-15 00:00:00

abstract：:Calcium homeostasis modulator 1 (CALHM1) is a voltage-gated ATP release channel that plays an important role in neural gustatory signaling and the pathogenesis of Alzheimer's disease. Here, we present a cryo-electron microscopy structure of full-length Ca2+-free CALHM1 from Danio rerio at an overall resolution of 3.1 ...

journal_title：Science advances

authors： Ren Y,Wen T,Xi Z,Li S,Lu J,Zhang X,Yang X,Shen Y

更新日期：2020-07-17 00:00:00

abstract：:Noble metal foams (NMFs) are a new class of functional materials featuring properties of both noble metals and monolithic porous materials, providing impressive prospects in diverse fields. Among reported synthetic methods, the sol-gel approach manifests overwhelming advantages for versatile synthesis of nanostructure...

journal_title：Science advances

authors： Du R,Hu Y,Hübner R,Joswig JO,Fan X,Schneider K,Eychmüller A

更新日期：2019-05-24 00:00:00

abstract：:Quantum phenomena have the potential to speed up the solution of hard optimization problems. For example, quantum annealing, based on the quantum tunneling effect, has recently been shown to scale exponentially better with system size than classical simulated annealing. However, current realizations of quantum anneale...

journal_title：Science advances

authors： Nigg SE,Lörch N,Tiwari RP

更新日期：2017-04-07 00:00:00