Fire ant supergene linked to queen development and colony structure
A University of Georgia study published in Proceedings of the Royal Society B found that a specific supergene influences fire ant growth and determines whether colonies have one or multiple queens.
Genetic package controls colony type
Researchers identified a special group of genes called a supergene that acts as a single inherited unit. This collection contains more than 500 genes and is found in colonies with multiple egg-laying queens. The genetic package helps determine how the ant society is organized.
Gene advantage favors larger workers
The study suggests these genes give certain ants an advantage by allowing them to grow larger. Larger individuals have increased chances of becoming queens within the colony structure. More than three out of every four queens possess this specific genetic marker.
Study offers new insights
The findings provide new insight into how genetics influence ant development and reproduction rates. Scientists hope to understand better how these genes improve their chances of being passed to future generations. The research was led by associate professor Brendan Hunt and entomologist Haolin Zeng.
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