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Related Concept Videos

Studying the Cytoskeleton01:17

Studying the Cytoskeleton

The cytoskeletal architecture can be studied using different microscopic and biochemical techniques. Electron microscopy was instrumental in discovering the cytoskeletal architecture around the 1960s, which allowed obtaining structural information at a high-resolution level. However, the sample preparation procedure often limits this ability in biological samples. Several protocols have been developed over the years to optimize sample preparation. In one of the protocols known as rotary...
X-ray Crystallography02:18

X-ray Crystallography

The size of the unit cell and the arrangement of atoms in a crystal may be determined from measurements of the diffraction of X-rays by the crystal, termed X-ray crystallography.
Diffraction
Diffraction is the change in the direction of travel experienced by an electromagnetic wave when it encounters a physical barrier whose dimensions are comparable to those of the wavelength of the light. X-rays are electromagnetic radiation with wavelengths about as long as the distance between neighboring...
X-ray Diffraction of Biological Samples01:10

X-ray Diffraction of Biological Samples

X-ray diffraction or XRD is an analytical tool that utilizes X-rays to study ordered structures such as crystalline organic and inorganic samples, polycrystalline materials, proteins, carbohydrates, and drugs.
According to Bragg's law, when X-rays strike the sample positioned on a stage, the rays are  scattered by the electron clouds around the sample atoms. The  X-ray diffraction or scattering is caused by constructive interference of the X-ray waves that reflect off the internal crystal...
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Special Staining Techniques

Specialized staining techniques play a vital role in microbiology by enabling the visualization of specific bacterial structures that remain undetectable with standard microscopy methods. These techniques not only enhance the structural visualization of bacterial cells but also provide critical insights into their pathogenicity and classification. Additionally, they support diagnostic and research endeavors in microbiology by identifying key bacterial features.Capsule Staining for Virulence...
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Related Experiment Video

Updated: Jun 13, 2026

X-ray Diffraction of Intact Murine Skeletal Muscle as a Tool for Studying the Structural Basis of Muscle Disease
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X-ray fiber diffraction studies on flagellar axonemes.

Kazuhiro Oiwa1, Shinji Kamimura, Hiroyuki Iwamoto

  • 1Kobe Advanced ICT Research Center, National Institute of Information and Communications Technology, 588-2 Iwaoka, Nishi-ku, Kobe 651-2492, Japan.

Methods in Cell Biology
|April 23, 2010
PubMed
Summary

X-ray diffraction using synchrotron radiation offers a new way to study the structure and dynamics of eukaryotic cilia and flagella. This technique provides atomic-level insights into these essential cellular organelles.

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Last Updated: Jun 13, 2026

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Published on: October 2, 2017

Area of Science:

  • Cell Biology
  • Biophysics

Background:

  • Eukaryotic cilia and flagella are complex organelles responsible for motility and cellular transport.
  • Understanding the precise structure and dynamic changes of their core component, the axoneme, is crucial for elucidating their function.
  • Traditional methods have limitations in analyzing the fine structure of these minute organelles.

Purpose of the Study:

  • To explore the potential of X-ray diffraction for analyzing axoneme structure and dynamics.
  • To provide a practical guide for utilizing advanced synchrotron radiation facilities for axoneme research.

Main Methods:

  • Small-angle X-ray scattering and diffraction are powerful techniques for studying protein polymers.
  • Advancements in third-generation synchrotron radiation provide intense and stable X-rays necessary for diffraction studies.
  • These methods complement electron microscopy by offering insights in near-physiological environments.

Main Results:

  • X-ray diffraction, particularly with synchrotron sources, is now feasible for studying axonemes.
  • This technique can provide atomic-resolution information on the structure and dynamics of axoneme components.
  • It overcomes limitations of previous diffraction attempts due to the small size and low diffracting power of axonemes.

Conclusions:

  • X-ray diffraction using synchrotron radiation represents a significant advancement in axoneme structural biology.
  • This approach enables detailed investigation into the mechanisms of cilia and flagella undulations.
  • It opens new avenues for understanding the molecular architecture and function of these organelles.