Expression Study Links Gene Regulation and Evolution of Aggression in Bees

Researchers from the US, Canada, and Mexico used microarrays to compare gene expression in the brains of various European and Africanized bees under different environmental conditions. Their results indicate that the types of short-term gene expression changes in alarmed European honey bee brains resembled the baseline expression pattern in the brains of more aggressive older bees or Africanized bees.

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