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Related Experiment Video

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Whole Animal Imaging of Drosophila melanogaster using Microcomputed Tomography
10:36

Whole Animal Imaging of Drosophila melanogaster using Microcomputed Tomography

Published on: September 2, 2020

5.4K

Micro-computed tomography as a platform for exploring Drosophila development.

Todd A Schoborg1, Samantha L Smith2, Lauren N Smith2

  • 1Cell Biology and Physiology Center, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA nasser@nih.gov todd.schoborg@uwyo.edu.

Development (Cambridge, England)
|November 15, 2019
PubMed
Summary
This summary is machine-generated.

We developed a high-resolution micro-computed tomography (µ-CT) method for non-invasive imaging of Drosophila melanogaster. This technique precisely quantifies tissue morphology and aids in studying developmental defects, offering insights into animal development and disease mechanisms.

Keywords:
Abnormal spindleDrosophilaHuman disease modelingMicro-computed tomographyMicrocephalyPhenotyping

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Area of Science:

  • Developmental Biology
  • Genetics
  • Biophysics

Background:

  • Understanding molecular and cellular events is crucial for deciphering animal development, physiology, and disease.
  • Model organisms and advanced tools like genetic, biochemical, and imaging techniques have significantly aided research.
  • High-resolution imaging is essential for detailed analysis of tissue form and function.

Purpose of the Study:

  • To present an accessible, high-resolution, non-invasive imaging method for Drosophila melanogaster using micro-computed tomography (µ-CT).
  • To demonstrate the utility of µ-CT for quantitative assessment of tissue size, morphology, and inter-organ relationships in intact Drosophila at any developmental stage.
  • To apply µ-CT imaging to investigate brain growth defects in Drosophila, focusing on genes linked to human microcephaly.

Main Methods:

  • Developed a rapid, non-invasive micro-computed tomography (µ-CT) protocol for intact Drosophila melanogaster.
  • Utilized µ-CT for high-resolution imaging and quantitative assessment of tissue size and morphology.
  • Applied µ-CT to analyze brain development in Drosophila mutants (abnormal spindle and Wdr62) associated with human microcephaly.

Main Results:

  • Achieved precise, quantitative assessment of tissue size and morphology in intact Drosophila across all developmental stages.
  • Enabled detailed analysis of inter-organ relationships using µ-CT imaging.
  • Characterized growth defects in the Drosophila brain, specifically in abnormal spindle (asp) and WD repeat domain 62 (Wdr62) mutants, providing insights into microcephaly mechanisms.

Conclusions:

  • Micro-computed tomography (µ-CT) offers a powerful, accessible method for high-resolution, non-invasive imaging in Drosophila melanogaster.
  • Combining µ-CT with established genetic and developmental biology tools enhances the study of biological mechanisms controlling animal development and disease.
  • This approach facilitates the investigation of gene functions related to developmental disorders like microcephaly.