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Updated: Aug 7, 2026
08:22
Preparation of Mitochondrial Enriched Fractions for Metabolic Analysis in Drosophila
Published on: September 30, 2015
An efficient genetic screen in Drosophila to identify nuclear-encoded genes with mitochondrial function
T S Vivian Liao1, Gerald B Call, Preeta Guptan
1Molecular Biology Institute, University of California, Los Angeles, California 90095, USA.
Genetics
|July 20, 2006
Summary
Researchers screened for fruit flies with eye development defects, identifying 23 mutant groups. Six mutants surprisingly encoded mitochondrial proteins, suggesting this screen efficiently finds genes involved in mitochondrial function.
Area of Science:
- Developmental biology
- Genetics
- Cell biology
Background:
- Mutations affecting BrdU incorporation in the larval eye disc can disrupt neuronal differentiation.
- Cytochrome c oxidase subunit Va mutants exhibit specific eye disc phenotypes.
Purpose of the Study:
- To identify genes essential for proper eye development in fruit flies.
- To develop an efficient screening method for genes involved in mitochondrial function.
Main Methods:
- Conducted a genetic screen for glossy-eye fruit fly mutants.
- Assayed BrdU incorporation and neuronal differentiation in third instar larval eye discs.
- Performed molecular characterization of isolated complementation groups.
Main Results:
- Isolated 23 complementation groups of mutants with defects in BrdU incorporation but normal neuronal differentiation.
- Identified that six of these complementation groups encode mitochondrial proteins.
- Observed similar phenotypes in previously characterized cytochrome c oxidase subunit Va mutants.
Conclusions:
- The screen is an effective method for identifying genes with mitochondrial functions.
- Mitochondrial proteins play a crucial role in eye disc development and BrdU incorporation.
- Further molecular characterization of the identified mutants will elucidate specific mitochondrial roles.
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