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作者：Chakraborty, Morgan I.; Sharifi, Arash; Benzoni, Francesca; Tissot, Francois L. H.; Pourmand, Ali; Taviani, Marco; Howes, Bolton; Swart, Peter K.; Lu, Choajin; Rodrigue, Mattie; Purkis, Sam J.; Kennett, James
作者单位：University of Miami; King Abdullah University of Science & Technology; California Institute of Technology; Consiglio Nazionale delle Ricerche (CNR); Istituto di Scienze Marine (ISMAR-CNR); Stazione Zoologica Anton Dohrn
摘要：The Red Sea, a nascent ocean basin connected to the Indian Ocean via a shallow strait, is assumed to have experienced significant environmental changes during the last glacial period due to a sea- level drop likely exceeding 110 m. This study investigates the hypothesis that hydrodynamic restriction led to severe ecological impacts, including basin- wide extinction due to elevated salinity followed by a short time of oxygen depletion. Uranium-Thorium dating of deep- water corals (DWCs) from 26...
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作者：Xiao, Ke; Park, Sujeong; Stachowiak, Jeanne C.; Rangamani, Padmini
作者单位：University of California System; University of California San Diego; University of Texas System; University of Texas Austin; University of Texas System; University of Texas Austin; University of California System; University of California San Diego
摘要：Generation of membrane curvature is fundamental to cellular function. Recent studies have established that the glycocalyx, a sugar-rich polymer layer at the cell surface, can generate membrane curvature. While there have been some theoretical efforts to understand the interplay between the glycocalyx and membrane bending, there remain open questions about how the properties of the glycocalyx affect membrane bending. For example, the relationship between membrane curvature and the density of gl...
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作者：Cisneros, Angel F.; Landry, Christian R.
作者单位：Laval University; Laval University; Laval University; Laval University
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作者：Holzmeister, Felix; Johannesson, Magnus; Boehm, Robert; Dreber, Anna; Huber, Juergen; Kirchler, Michael
作者单位：University of Innsbruck; Stockholm School of Economics; University of Vienna; University of Copenhagen; University of Copenhagen; University of Innsbruck
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作者：Sun, Fang-Fang; Guan, Xinwei; Huang, Zi-Hang; Han, Xu; Li, Hui; Ma, Tianyi
作者单位：Liaoning University; Royal Melbourne Institute of Technology (RMIT); Chinese Academy of Sciences; Ningbo Institute of Materials Technology & Engineering, CAS
摘要：In aqueous ammonium- ion storage, hydrogen bonds play a pivotal role in the reversible insertion/extraction ofNH4 + within transition metal oxides/hydroxides. Although fluorine (F) is known for its strong electronegativity and potential to form robust hydrogen bonds with NH4+, its specific influence on NH4 + storage remains unexplored. Herein, we systematically investigate the effects of F- based hydrogen bond chemistry within a layered double hydroxide matrix, where F species are introduced a...
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作者：Talukder, Mohammad Belal; Mueller, Carsten H. G.; Zhang, Dan-Dan; Schulz, Stefan; Loefstedt, Christer; Wang, Hong-Lei; Uhl, Gabriele B.
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作者：Fefferman, Charles L.; Shapiro, Jacob; Weinstein, Michael I.
作者单位：Princeton University; Columbia University; Columbia University
摘要：We present results on quantum tunneling between deep potential wells, in the presence of a strong constant magnetic field. We construct a family of double-well potentials containing examples for which the low-energy eigenvalue splitting vanishes, and hence quantum tunneling is eliminated. Further, by deforming within this family, the magnetic ground state can be made to transition from symmetric to antisymmetric. However, for typical double wells in a certain regime, tunneling is not suppresse...
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作者：Acerbi, Alberto; de Courson, Benoit
作者单位：University of Trento
摘要：Outcomes in the cultural arena are due to many factors but are there general rules that can suggest what makes some cultural traits successful and others not? Research in cultural evolution theory distinguishes factors related to social influence (such as copying from the majority, or from certain individuals) from factors related to individual, nonsocially influenced, propensities such as evolved cognitive predispositions, or physical, biological, and environmental constraints. Here, we show,...
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作者：Fang, Han; Shi, Mengling; Wang, Cong; Zhang, Saiting; Kong, Na; Ji, Mengyao; Wang, Yan; Zhou, Yidan; Zhu, Qiyun; Zhang, Yu; Du, Shishen; Xu, Shuai; Lei, Caoqi
作者单位：Wuhan University; Wuhan University; Chinese Academy of Agricultural Sciences; Lanzhou Veterinary Research Institute, CAAS; Wuhan University; Lanzhou University
摘要：Upon viral infection, retinoic acid- inducible gene- I (RIG- I)- like receptors (RLRs) detect viral RNA to initiate antiviral innate immune response, which is mediated by the mitochondrial adaptor protein VISA virus- induced signaling adaptor; also known as mitochondiral antiviral- signaling protein (MAVS). The stability and activity of VISA are tightly regulated by various posttranslational modifications, among which polyubiquitination plays important roles. Various E3 ubiquitin ligases, incl...
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作者：Jung, Yeonsu; Plumb-Reyes, Thomas; Lin, Hao-Yu Greg; Mahadevan, L.
作者单位：Harvard University; Harvard University; Harvard University; Harvard University
摘要：Random packings of stiff rods are self-supporting mechanical structures stabilized by long-range interactions induced by contacts. To understand the geometrical and topological complexity of the packings, we first deploy X-ray computerized tomography to unveil the structure of the packing. This allows us to directly visualize the spatial variations in density, orientational order, and the entanglement, a mesoscopic field that we define in terms of a local average crossing number, a measure of ...
