Dynamic stiffening of the flagellar hook
Webdirect measurements of the flagellar motion that a dynamic stiffening of the hook occurs during swimming (Supplementary Information S5 and Movies S5 and S6). The hook’s bending stiffness increases sixfold under the load of steady swimming (EI LOADED D2:2 0:4 1025 Nm2) compared with the unloaded state (EI RELAXED D3:6 0:4 1026 Nm2). … WebMay 25, 2024 · Here, via high-resolution measurements and analysis of hook fluctuations under dynamical conditions, we elucidate how it fulfills this double functionality: the hook …
Dynamic stiffening of the flagellar hook
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WebMay 25, 2024 · Europe PMC is an archive of life sciences journal literature. 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 …
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 ... WebJun 29, 2024 · Dynamic stiffening of the flagellar hook. Many bacteria are motile by means of one or more rotating rigid helical flagella, making them the only known …
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 … 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 …
WebYou can find a current list of my publications on Google Scholar.. Published. A Modular Spring-Loaded Actuator for Mechanical Activation of Membrane Proteins. A ...
WebAug 16, 1990 · Dynamic stiffening of the flagellar hook. 25 May 2024. Ashley L. Nord, Anaïs Biquet-Bisquert, … Francesco Pedaci. A multi-state dynamic process confers mechano-adaptation to a biological ... city hall raymore moWebSep 30, 2024 · Dynamic stiffening of the flagellar hook. 25 May 2024. Ashley L. Nord, Anaïs Biquet-Bisquert, … Francesco Pedaci. 18 October 2024. Thorsten B. Blum, Sevasti Filippidou, … Jan Pieter Abrahams. did ashton kutcher\\u0027s brother dieWebSep 30, 2024 · The flagellar hook is a joint of approximately 130 subunits, each comprising a single type of protein. Each subunit is made of three domains that act as rigid bodies, … city hall records departmentWebApr 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 ... did ashton kutcher modelWebMay 25, 2024 · In multi-flagellated species, where thrust arises from a hydrodynamically coordinated flagellar bundle, hook flexibility is crucial, as flagella rotate significantly off … city hall raytown moWebJul 7, 2013 · Rather, we find through direct measurements of the flagellar motion that a dynamic stiffening of the hook occurs during swimming (Supplementary Information S5 and Movies S5 and S6). did ashura have the nine tailsWebMar 21, 2024 · Since the substrates passing the central channel as an unfolded conformation and hook construction is a dynamic process, it would be a little hard to … city hall reading pa