Worldwide phylogeography and history of wheat genetic diversity.

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：:Compound climate extremes are receiving increasing attention because of their disproportionate impacts on humans and ecosystems. However, risks assessments generally focus on univariate statistics. We analyze the co-occurrence of hot and dry summers and show that these are correlated, inducing a much higher frequency ...

journal_title：Science advances

authors： Zscheischler J,Seneviratne SI

更新日期：2017-06-28 00:00:00

abstract：:Hydroxyapatite (HA) has been widely applied in bone repair because of its superior biocompatibility. Recently, a proliferation-suppressive effect of HA nanoparticles (n-HA) against various cancer cells was reported. This study was aimed at assessing the translational value of n-HA both as a bone-regenerating material ...

journal_title：Science advances

authors： Zhang K,Zhou Y,Xiao C,Zhao W,Wu H,Tang J,Li Z,Yu S,Li X,Min L,Yu Z,Wang G,Wang L,Zhang K,Yang X,Zhu X,Tu C,Zhang X

更新日期：2019-08-02 00:00:00

abstract：:The first example of a homogeneous silver(I)-catalyzed aerobic oxidation of aldehydes in water is reported. More than 50 examples of different aliphatic and aromatic aldehydes, including natural products, were tested, and all of them successfully underwent aerobic oxidation to give the corresponding carboxylic acids i...

journal_title：Science advances

authors： Liu M,Wang H,Zeng H,Li CJ

更新日期：2015-03-27 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：:Neurochemical dysregulation underlies many pathologies and can be monitored by measuring the composition of brain interstitial fluid (ISF). Existing in vivo tools for sampling ISF do not enable measuring large rare molecules, such as proteins and neuropeptides, and thus cannot generate a complete picture of the neuroc...

journal_title：Science advances

authors： Raman R,Rousseau EB,Wade M,Tong A,Cotler MJ,Kuang J,Lugo AA,Zhang E,Graybiel AM,White FM,Langer R,Cima MJ

更新日期：2020-09-25 00:00:00

abstract：:For natural microswimmers, the interplay of swimming activity and external flow can promote robust directed motion, for example, propulsion against (upstream rheotaxis) or perpendicular to the direction of flow. These effects are generally attributed to their complex body shapes and flagellar beat patterns. Using cata...

journal_title：Science advances

authors： Katuri J,Uspal WE,Simmchen J,Miguel-López A,Sánchez S

更新日期：2018-01-26 00:00:00

abstract：:Approaching predators cast expanding shadows (i.e., looming) that elicit innate defensive responses in most animals. Where looming is first detected and how critical parameters of predatory approaches are extracted are unclear. In mice, we identify a retinal interneuron (the VG3 amacrine cell) that responds robustly t...

journal_title：Science advances

authors： Kim T,Shen N,Hsiang JC,Johnson KP,Kerschensteiner D

更新日期：2020-11-18 00:00:00

abstract：:Carbon deposits are well-known inhibitors of transition metal catalysts. In contrast to this undesirable behavior, here we show that epitaxial graphene grown on Ru(0001) promotes the reversible formation of a C-C bond between -CH2CN and 7,7,8,8-tetracyano-p-quinodimethane (TCNQ). The catalytic role of graphene is mult...

journal_title：Science advances

authors： Navarro JJ,Pisarra M,Nieto-Ortega B,Villalva J,Ayani CG,Díaz C,Calleja F,Miranda R,Martín F,Pérez EM,Vázquez de Parga AL

更新日期：2018-12-14 00:00:00

abstract：:Calcium silicate hydrate (C-S-H) is the binder in concrete, the most used synthetic material in the world. The main weakness of concrete is the lack of elasticity and poor flexural strength considerably limiting its potential, making reinforcing steel constructions necessary. Although the properties of C-S-H could be ...

journal_title：Science advances

authors： Picker A,Nicoleau L,Burghard Z,Bill J,Zlotnikov I,Labbez C,Nonat A,Cölfen H

更新日期：2017-11-29 00:00:00

abstract：:A new set of time-of-day-dependent global maps of the lunar near-infrared water/hydroxyl (H2O/OH) absorption band strength near 2.8 to 3.0 μm constructed on the basis of Moon Mineralogy Mapper (M3) data is presented. The analyzed absorption band near 2.8 to 3.0 μm indicates the presence of surficial H2O/OH. To remove ...

journal_title：Science advances

authors： Wöhler C,Grumpe A,Berezhnoy AA,Shevchenko VV

更新日期：2017-09-08 00:00:00

abstract：:Ultraviolet (UV) reception is useful for such basic behaviors as mate choice, foraging, predator avoidance, communication, and navigation, whereas violet reception improves visual resolution and subtle contrast detection. UV and violet reception are mediated by the short wavelength-sensitive (SWS1) pigments that absor...

journal_title：Science advances

authors： Yokoyama S,Altun A,Jia H,Yang H,Koyama T,Faggionato D,Liu Y,Starmer WT

更新日期：2015-09-18 00:00:00

abstract：:The polar nature of the C═O bond commonly allows it to undergo direct attack by nucleophiles at the electrophilic carbon atom in which ketones and aldehydes act as alkyl carbocation equivalents. In contrast, transformations in which ketones and aldehydes act as alkyl radical equivalents (generated in carbonyl carbon) ...

journal_title：Science advances

authors： Dong J,Wang Z,Wang X,Song H,Liu Y,Wang Q

更新日期：2019-10-11 00:00:00

abstract：:Slow slip events have been suggested to trigger subduction earthquakes. However, examples to date have been poorly recorded, occurring offshore, where data are sparse. Better understanding of slow slip events and their influence on subsequent earthquakes is critical for hazard forecasts. We analyze a well-recorded eve...

journal_title：Science advances

authors： Voss N,Dixon TH,Liu Z,Malservisi R,Protti M,Schwartz S

更新日期：2018-10-31 00:00:00

abstract：:We present a physically inspired model and an efficient algorithm to infer hierarchical rankings of nodes in directed networks. It assigns real-valued ranks to nodes rather than simply ordinal ranks, and it formalizes the assumption that interactions are more likely to occur between individuals with similar ranks. It ...

journal_title：Science advances

authors： De Bacco C,Larremore DB,Moore C

更新日期：2018-07-20 00:00:00

abstract：:Adjacent neurons in visual cortex have overlapping receptive fields within and across area boundaries, an arrangement theorized to minimize wiring cost. This constraint is traditionally thought to create retinotopic maps of opposing field signs (mirror and nonmirror visual field representations) in adjacent areas, a c...

journal_title：Science advances

authors： Yu HH,Rowley DP,Price NSC,Rosa MGP,Zavitz E

更新日期：2020-10-28 00:00:00

abstract：:The formation of the biophotonic gyroid material in butterfly wing scales is an exceptional feat of evolutionary engineering of functional nanostructures. It is hypothesized that this nanostructure forms by chitin polymerization inside a convoluted membrane of corresponding shape in the endoplasmic reticulum. However,...

journal_title：Science advances

authors： Wilts BD,Apeleo Zubiri B,Klatt MA,Butz B,Fischer MG,Kelly ST,Spiecker E,Steiner U,Schröder-Turk GE

更新日期：2017-04-26 00:00:00

abstract：:Colloidal-scale assemblies that reconfigure on demand may serve as the next generation of soft "microbots," artificial muscles, and other biomimetic devices. This requires the precise arrangement of particles into structures that are preprogrammed to reversibly change shape when actuated by external fields. The design...

journal_title：Science advances

authors： Han K,Shields CW 4th,Diwakar NM,Bharti B,López GP,Velev OD

更新日期：2017-08-04 00:00:00

abstract：:Behavioral and clinical studies suggest a critical role of substance P (SP)/neurokinin-1 receptor (NK-1R) signaling in alcohol dependence. Here, we examined regulation of GABA transmission in the medial subdivision of the central amygdala (CeM) by the SP/NK-1R system, and its neuroadaptation following chronic alcohol ...

journal_title：Science advances

authors： Khom S,Steinkellner T,Hnasko TS,Roberto M

更新日期：2020-03-18 00:00:00

abstract：:Porous membranes with ultrafast ion permeation and high ion selectivity are highly desirable for efficient mineral separation, water purification, and energy conversion, but it is still a huge challenge to efficiently separate monatomic ions of the same valence and similar sizes using synthetic membranes. We report me...

journal_title：Science advances

authors： Zhang H,Hou J,Hu Y,Wang P,Ou R,Jiang L,Liu JZ,Freeman BD,Hill AJ,Wang H

更新日期：2018-02-09 00:00:00

abstract：:Many applications in modern technology, such as self-cleaning surfaces and digital microfluidics, require control over individual fluid droplets on flat surfaces. Existing techniques may suffer from side effects resulting from high electric fields and high temperatures. Here, we introduce a markedly different method, ...

journal_title：Science advances

authors： De Jong E,Wang Y,Den Toonder JMJ,Onck PR

更新日期：2019-06-14 00:00:00

abstract：:Cellular cross-talk between ubiquitination and other posttranslational modifications contributes to the regulation of numerous processes. One example is ADP-ribosylation of the carboxyl terminus of ubiquitin by the E3 DTX3L/ADP-ribosyltransferase PARP9 heterodimer, but the mechanism remains elusive. Here, we show that...

journal_title：Science advances

authors： Chatrin C,Gabrielsen M,Buetow L,Nakasone MA,Ahmed SF,Sumpton D,Sibbet GJ,Smith BO,Huang DT

更新日期：2020-09-18 00:00:00

abstract：:Ciliary oscillations driven by molecular motors cause fluid motion at micron scale. Stable oscillations require a substantial source of dissipation to balance the energy input of motors. Conventionally, it stems from external fluid. We show, in contrast, that external fluid friction is negligible compared to internal ...

journal_title：Science advances

authors： Mondal D,Adhikari R,Sharma P

更新日期：2020-08-12 00:00:00

abstract：:We present results from a study in the Democratic Republic of the Congo that uses mobile money networks to run rotating savings and credit associations (ROSCAs), peer-to-peer finance groups ubiquitous across the developing world. We find high rates of contribution and ROSCA success. The unexpected success of such e-RO...

journal_title：Science advances

authors： Francois P,Squires M

更新日期：2021-01-01 00:00:00

abstract：:Nucleosynthetic isotope variability among solar system objects provides insights into the accretion history of terrestrial planets. We report on the nucleosynthetic Fe isotope composition (μ54Fe) of various meteorites and show that the only material matching the terrestrial composition is CI (Ivuna-type) carbonaceous ...

journal_title：Science advances

authors： Schiller M,Bizzarro M,Siebert J

更新日期：2020-02-12 00:00:00

abstract：:Spin caloritronics has recently emerged from the combination of spintronics and thermoelectricity. Here, we show that flexible, macroscopic spin caloritronic devices based on large-area interconnected magnetic nanowire networks can be used to enable controlled Peltier cooling of macroscopic electronic components with ...

journal_title：Science advances

authors： da Câmara Santa Clara Gomes T,Abreu Araujo F,Piraux L

更新日期：2019-03-01 00:00:00

abstract：:Driven by advances in materials and computer science, researchers are attempting to design systems where the computer and material are one and the same entity. Using theoretical and computational modeling, we design a hybrid material system that can autonomously transduce chemical, mechanical, and electrical energy to...

journal_title：Science advances

authors： Fang Y,Yashin VV,Levitan SP,Balazs AC

更新日期：2016-09-02 00:00:00

abstract：:Nanometer-scale skyrmions are prospective candidates for information bits in low-power consumption devices owing to their topological nature and controllability with low current density. Studies on skyrmion dynamics in different classes of materials have exploited the topological Hall effect and current-driven fast mo...

journal_title：Science advances

authors： Yu XZ,Morikawa D,Nakajima K,Shibata K,Kanazawa N,Arima T,Nagaosa N,Tokura Y

更新日期：2020-06-17 00:00:00

abstract：:Quantitative three-dimensional (3D) computed tomography (CT) imaging of living single cells enables orientation-independent morphometric analysis of the intricacies of cellular physiology. Since its invention, x-ray CT has become indispensable in the clinic for diagnostic and prognostic purposes due to its quantitativ...

journal_title：Science advances

authors： Kelbauskas L,Shetty R,Cao B,Wang KC,Smith D,Wang H,Chao SH,Gangaraju S,Ashcroft B,Kritzer M,Glenn H,Johnson RH,Meldrum DR

更新日期：2017-12-06 00:00:00

abstract：:Metabolic engineering uses enzymes to produce small molecules with industrial, pharmaceutical, and energy applications. However, efforts to optimize enzymatic pathways for commercial production are limited by the throughput of assays for quantifying metabolic intermediates and end products. We developed a multiplexed ...

journal_title：Science advances

authors： O'Kane PT,Dudley QM,McMillan AK,Jewett MC,Mrksich M

更新日期：2019-06-05 00:00:00