Population genomic and phylogenomic insights into the evolution of physiology and behaviour in social insects

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Advances in Insect Physiology. ;:293–324. doi: 10.1016/bs.aiip.2015.01.002

Kent CF, Zayed A

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Abstract

Genomics revolutionized the field of social insect research by providing powerful tools to understand the relationship between genes, physiology and behaviour of social insects. Notably, analysis of gene expression and methylation patterns in the different castes of insect colonies highlighted many genes that likely underlie caste-specific physiological and behavioural phenotypes. However, earlier studies of social insect genomes lacked an ‘evolutionary’ context. Out of the millions of DNA bases found in the genome of a social insect, which pieces were most important to fitness over the timescale of social evolution? Here, we review a burgeoning body of literature that utilizes between-species or within-species genomic comparisons to highlight the evolutionary forces that have shaped social insect genomes. These pioneering phylogenetic and population genomic studies provide a critically needed evolutionary context to social insect genomes and underscore the importance of adaptive changes in physiology and behaviour in social evolution.

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Population genomic and phylogenomic insights into the evolution of physiology and behaviour in social insects

Abstract

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