WebFor many bacteria, motility stems from one or more flagella, each rotated by the bacterial flagellar motor, a powerful rotary molecular machine. The hook, a soft polymer at the … WebSep 30, 2024 · Dynamic stiffening of the flagellar hook. A. Nord, Anaïs Biquet-Bisquert, +4 authors F. Pedaci; Biology. ... TLDR. The hook stiffening as it is twisted by the rotation of the flagellum, a mechanical feat evolved for its function is observed, allowing the system to be flexible when needed yet reduce deformation under high loads, enabling high ...

Dynamic stiffening of the flagellar hook - cbs.cnrs.fr

WebDynamic stiffening of the flagellar hook For many bacteria, motility stems from one or more flagella, each rotated by the bacterial flagellar motor, a powerful rotary molecular … WebBy using a light-activated proton pump as a spatially and temporally modulatable source, and the bacterial flagellar motor as a local electro-mechanical gauge, we both perturb and probe the PMF on single cells. Using global perturbations, we resolve temporal dynamics on the ms time scale and observe an asymmetrical capacitive response of the ... how to make a light pipe

Torque transmission mechanism of the curved bacterial …

WebOct 28, 2004 · The hook is made of about 120 copies of a single protein, FlgE, and its function as a nano-sized universal joint is essential for dynamic and efficient bacterial … WebApr 14, 2024 · Dynamic stiffening of the flagellar hook. A. Nord, Anaïs Biquet-Bisquert, +4 authors F. Pedaci; Biology. ... TLDR. The hook stiffening as it is twisted by the rotation of the flagellum, a mechanical feat evolved for its function is observed, allowing the system to be flexible when needed yet reduce deformation under high loads, enabling high ... WebThe relatively stiff flagellar filaments are connected to the motor by a flexible segment called the "flagellar hook". This hook needs to transmit rotational torque from the motor while bending to allow the angle … how to make a light show