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Updated: Dec 15, 2025

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Experimental Manipulation of Body Size to Estimate Morphological Scaling Relationships in Drosophila
Published on: October 1, 2011
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Haltere development in D. melanogaster: implications for the evolution of appendage size, shape and function.
Soumen Khan1, C Dilsha, L S Shashidhara
1Indian Institute of Science Education and Research Pune, Pune, India.
The International Journal of Developmental Biology
|July 14, 2020
Summary
The Hox protein Ubx controls Drosophila appendage development, regulating gene targets for growth and evolution. This study explores Ubx
Area of Science:
- Developmental biology
- Evolutionary biology
- Genetics
Background:
- The fruit fly Drosophila serves as a model for studying appendage development.
- Understanding how wings and halteres differentiate is key to developmental biology.
- Hox proteins play crucial roles in establishing body plan and appendage identity.
Purpose of the Study:
- To elucidate the mechanism of Hox protein Ubx target recognition and regulation.
- To investigate the role of Ubx in cellular and organ-level growth control.
- To explore the evolutionary origin of halteres from ancestral hindwings.
Main Methods:
- Analysis of Hox protein Ubx interactions with downstream targets.
- Investigating gene expression patterns in developing Drosophila appendages.
- Comparative analysis of appendage development across insect species.
Main Results:
- Identified specific downstream targets regulated by the Hox protein Ubx.
- Demonstrated Ubx's role in controlling cell proliferation and organ size.
- Provided insights into the molecular basis for haltere evolution.
Conclusions:
- The Hox protein Ubx is a key regulator of appendage development and evolution in Drosophila.
- Understanding Ubx function offers insights into growth control mechanisms.
- This research sheds light on the evolutionary transition from hindwings to halteres.

