関連する実験動画

Updated: Jun 23, 2026

Biophysical Characterization of Flagellar Motor Functions
06:08

Biophysical Characterization of Flagellar Motor Functions

Published on: January 18, 2017

陽子の流れは,バクテリアのフラゲラモーターを通過する

M Meister, G Lowe, H C Berg

    Cell
    |June 5, 1987
    PubMed
    まとめ

    細菌のフラゲラモーターは,陽子のエネルギーを機械的な作業に変換する. 効率は低速で高いが,内部モーターの消散により高速で大幅に低下する.

    さらに関連する動画

    Investigating Flagella-Driven Motility in Escherichia coli by Applying Three Established Techniques in a Series07:59

    Investigating Flagella-Driven Motility in Escherichia coli by Applying Three Established Techniques in a Series

    Published on: May 10, 2020

    Generation of Null Mutants to Elucidate the Role of Bacterial Glycosyltransferases in Bacterial Motility12:29

    Generation of Null Mutants to Elucidate the Role of Bacterial Glycosyltransferases in Bacterial Motility

    Published on: March 11, 2022

    関連する概念動画

    ATP Synthase: Structure01:18

    ATP Synthase: Structure

    ATP synthase or ATPase is among the most conserved proteins found in bacteria, mammals, and plants. This enzyme can catalyze a forward reaction in response to the electrochemical gradient, producing ATP from ADP and inorganic phosphate. ATP synthase can also work in a reverse direction by hydrolyzing ATP and generating an electrochemical gradient. Different forms of ATP synthases have evolved special features to meet the specific demands of the cell. Based on their specific feature, ATP...
    Microtubules in Cell Motility01:24

    Microtubules in Cell Motility

    Microtubules are thick hollow cylindrical proteins that help form the cytoskeleton. Microtubules have varied roles in the cell. These filaments help form cellular appendages like cilia and flagella, which are responsible for locomotion. The cilia arise from basal bodies, separated from the main body by a membrane-like structure forming the transition zone. This zone is the gate for the entry of lipids and proteins, creating a unique composition of lipids and proteins in the ciliary membrane and...
    Microtubules in Cell Motility01:24

    Microtubules in Cell Motility

    Microtubules are thick hollow cylindrical proteins that help form the cytoskeleton. Microtubules have varied roles in the cell. These filaments help form cellular appendages like cilia and flagella, which are responsible for locomotion. The cilia arise from basal bodies, separated from the main body by a membrane-like structure forming the transition zone. This zone is the gate for the entry of lipids and proteins, creating a unique composition of lipids and proteins in the ciliary membrane and...
    Flagella and Motility in Bacteria01:18

    Flagella and Motility in Bacteria

    Flagella are specialized, thread-like structures that extend from a bacteria's cell envelope. They play a crucial role in motility and chemotaxis. Their structural organization and functioning exemplify sophisticated biological engineering, enabling bacterial survival and adaptability in diverse environments.Structure of the FlagellumA bacterial flagellum consists of three key components: the filament, the hook, and basal body. The filament, a long, helical structure composed of repeating...
    Electron Transport Chain Components01:29

    Electron Transport Chain Components

    The electron transport chain (ETC) is a crucial metabolic pathway that facilitates energy conversion in prokaryotic and eukaryotic cells. In eukaryotes, the ETC comprises four membrane-associated protein complexes in the inner mitochondrial membrane. In prokaryotes, the ETC in the plasma membrane can vary in composition, with fewer or different complexes depending on the organism and environmental conditions. These complexes transfer electrons from electron donors, such as NADH and FADH2, to...
    Chemiosmosis and ATP Synthesis01:22

    Chemiosmosis and ATP Synthesis

    The electron transport chain is a critical component of cellular respiration, occurring in the inner mitochondrial membrane. It facilitates the transfer of high-energy electrons from reduced cofactors NADH and FADH₂ to molecular oxygen, the final electron acceptor. This transfer of electrons through a series of protein complexes is tightly coupled to the translocation of protons across the membrane, generating a proton gradient essential for ATP synthesis.Electron Flow and Proton...