Browse our latest Physics of Living Systems articles

Page 59 of 59
    1. Physics of Living Systems

    Assembly principles of a unique cage formed by hexameric and decameric E. coli proteins

    Hélène Malet, Kaiyin Liu ... Irina Gutsche
    Cryo-electron microscopy uncovers molecular determinants of a unique symmetry mismatched macromolecular cage in E. coli.
    1. Biochemistry and Chemical Biology
    2. Physics of Living Systems

    Direct measurement of the mechanical work during translocation by the ribosome

    Tingting Liu, Ariel Kaplan ... Carlos J Bustamante
    ‘Optical tweezers’ measurements of single ribosomes and single mRNA molecules show that the translation rate depends exponentially on the applied force, and suggests that the ribosome functions as a Brownian ratchet.
    1. Physics of Living Systems
    2. Cell Biology

    Flagellar synchronization through direct hydrodynamic interactions

    Douglas R Brumley, Kirsty Y Wan ... Raymond E Goldstein
    A combination of experiment and theory shows that pairs of eukaryotic flagella can achieve robust synchronization solely through the action of the fluid that surrounds them.
    1. Physics of Living Systems

    Rheotaxis facilitates upstream navigation of mammalian sperm cells

    Vasily Kantsler, Jörn Dunkel ... Raymond E Goldstein
    Mammalian sperm subject to shear flow swim in upstream spirals along the walls bounding such flows, thereby demonstrating a robust mechanism for upstream navigation to the ovum.
    1. Biochemistry and Chemical Biology
    2. Physics of Living Systems

    Hsp70 chaperones are non-equilibrium machines that achieve ultra-affinity by energy consumption

    Paolo De Los Rios, Alessandro Barducci
    ATP consumption enables chaperones to exploit the different kinetic properties of their conformational states to exhibit a non-equilibrium affinity for their substrates that is orders of magnitude higher than its equilibrium value.
    1. Ecology
    2. Physics of Living Systems

    Spatial dilemmas of diffusible public goods

    Benjamin Allen, Jeff Gore, Martin A Nowak
    A simple model reveals the roles of colony geometry and diffusion rate in allowing microbes to cooperate by sharing public goods.
    1. Physics of Living Systems

    Sequence-dependent base pair stepping dynamics in XPD helicase unwinding

    Zhi Qi, Robert A Pugh ... Yann R Chemla
    The ability of an enzyme called XPD helicase to unwind the double helix is influenced by the DNA sequence and the availability of energy.