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Showing 1–6 of 6 results
Advanced filters: Author: "J Li" Clear advanced filters

  • Short prokaryotic Argonaute and Sir2 proteins function as an antivirus system. Here the authors describe structures of SPARSA (a heterodimer of Sir2-APAZ and prokaryotic Argonaute) with and without template DNA and guide RNA, providing structural basis of its assembly and activation by the recognition of the invading virus.

    • Xiangkai Zhen
    • Xiaolong Xu
    • Songying Ouyang
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-13

  • Conventional methods to control surface plasmon polaritons with light offer limited tunability or complex design parameters. Here, Xiao et al. demonstrate coherent and independent control of surface plasmon polariton orbitals for two opposite spins using multiple rings of nano-slots on a metasurface

    • Shiyi Xiao
    • Fan Zhong
    • Jensen Li
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-7

  • Symmetry breaking at metamaterial interfaces is increasingly being used to obtain new optical device functionalities. Xu et al. discuss its use for building polarization-independent waveguides with asymmetric propagation properties and build such a device that operates at microwave frequencies.

    • Yadong Xu
    • Chendong Gu
    • Huanyang Chen
    Research
    Nature Communications
    Volume: 4, P: 1-8

  • Crystal structural and biochemical analysis of the chloroplast-localized Holliday junction (HJ) resolvase MOC1 in Zea mays reveals that ZmMOC1 uses a unique β-hairpin structure and a two-metal ion catalysis mechanism to recognize and cleave HJs.

    • Huajian Lin
    • Danping Zhang
    • Zhonghui Lin
    Research
    Nature Chemical Biology
    Volume: 15, P: 1241-1248

  • In this Case Study, Gao et al. present a 59-year-old man with complete staghorn calculi who had previously undergone ileal ureteral replacement. The patient was successfully treated with percutaneous nephrolithotomy. The authors emphasize the essential role of CT urography in diagnosis and treatment planning in such complex cases.

    • Xiaofeng Gao
    • Tie Zhou
    • Yinghao Sun
    Reviews
    Nature Clinical Practice Urology
    Volume: 5, P: 686-690