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Updated: Jan 24, 2026
12:02
Molecular Evolution of the Tre Recombinase
Published on: May 29, 2008
10.1K
Rate variation in the evolution of non-coding DNA associated with social evolution in bees
Benjamin E R Rubin1, Beryl M Jones2, Brendan G Hunt3
11 Department of Ecology and Evolutionary Biology; Lewis-Sigler Institute for Integrative Genomics, Princeton University , Princeton, NJ , USA.
Summary
Gene regulatory evolution is linked to the development of social behavior in bees. Changes in non-coding DNA sequences correlate with social complexity and reproductive division of labor.
Area of Science:
- Evolutionary biology
- Genomics
- Behavioral ecology
Background:
- Eusociality, characterized by cooperative brood care and reproductive division of labor, has evolved multiple times in bees.
- The evolution of complex social behaviors is hypothesized to be associated with changes in gene regulation.
- Non-coding DNA sequences play crucial roles in regulating gene expression.
Purpose of the Study:
- To investigate the relationship between gene regulatory elements and the evolution of eusociality in bees.
- To test the hypothesis that changes in gene expression regulation accompany the transition to sociality.
- To identify potential gene regulatory innovations associated with social evolution.
Main Methods:
- Comparative analysis of alignable, non-coding DNA sequences across 11 diverse bee species.
- Examination of evolutionary rates in non-coding sequences in relation to social transitions.
- Identification of convergent rate changes in molecular pathways linked to social complexity.
Main Results:
- Evolutionary rates of several non-coding sequences correlate with key social transitions in bees.
- Convergent rate changes were observed in molecular pathways associated with elaborations of social organization, but not independent origins of social behavior.
- Evidence suggests novel non-coding regions were recruited with the origin of sociality in corbiculate bees, potentially regulating division of labor.
Conclusions:
- Gene regulatory innovations are associated with the evolution of eusociality in bees.
- Studying both coding and non-coding sequences provides a comprehensive understanding of the molecular basis of behavioral evolution.
- Convergent evolution in gene regulation may contribute to the development of complex social structures.
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