What can whole genome expression data tell us about the ecology and evolution of personality?

Bell, Alison M.; Aubin‐Horth, Nadia

doi:10.1098/rstb.2010.0185

Cited by 97 publications

(48 citation statements)

References 111 publications

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“…Further, there are a large variety of behavioural syndromes, as observed in other animals [9], which may be explored in the case of insects. Future studies should address the identification of the evolutionary forces that contribute to the conservation of divergent traits within gregarious organisms [64,65]. Finally, owing to the multiple feedbacks participating in such social systems, theoretical approaches are needed to understand the relationship between individuals and collective behaviour [44].…”

Section: (B) Group Personalitymentioning

confidence: 99%

Group personality during collective decision-making: a multi-level approach

et al. 2015

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Collective decision-making processes emerge from social feedback networks within a group. Many studies on collective behaviour underestimate the role of individual personality and, as a result, personality is rarely analysed in the context of collective dynamics. Here, we show evidence of sheltering behaviour personality in a gregarious insect (Periplaneta americana), which is characterized by a collective personality at the group level. We also highlight that the individuals within groups exhibited consistent personality traits in their probability of sheltering and total time sheltered during the three trials over one week. Moreover, the group personality, which arises from the synergy between the distribution of behaviour profiles in the group and social amplifications, affected the sheltering dynamics. However, owing to its robustness, personality did not affect the group probability of reaching a consensus. Finally, to prove social interactions, we developed a new statistical method that will be helpful for future research on personality traits and group behaviour. This approach will help to identify the circumstances under which particular group compositions may improve the fitness of individuals in gregarious species.

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Section: (B) Group Personalitymentioning

confidence: 99%

Group personality during collective decision-making: a multi-level approach

et al. 2015

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“…An alternative way around the difficulty of measuring species differences in personality traits is the use of comparative genomics (see also Bell & Aubin-Horth 2010). It is increasingly recognized that comparative genomics, where sequences from two or more species are aligned and compared, is a powerful tool for detecting regions that evolve under negative, positive or balancing selection, indicative of functionality.…”

Section: Use Of Genome Information For Evolutionary Studies On Personmentioning

confidence: 99%

“…Knowledge of the molecular mechanisms underlying personality traits will help us in answering questions regarding the origin of, correlations between, micro-evolutionary processes behind and historical selection on personality traits, and finally the maintenance of variation in personality (see also Bell & Aubin-Horth 2010). Although molecular genetic research on animal personality is still in its infancy, the development of new methodology might bring us a big step further in pinpointing the actual genes that are responsible for consistent variation in and correlations between behavioural traits.…”

Section: Introductionmentioning

confidence: 99%

Evolutionary genomics of animal personality

Oers

Mueller

2010

Phil. Trans. R. Soc. B

106

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Research on animal personality can be approached from both a phenotypic and a genetic perspective. While using a phenotypic approach one can measure present selection on personality traits and their combinations. However, this approach cannot reconstruct the historical trajectory that was taken by evolution. Therefore, it is essential for our understanding of the causes and consequences of personality diversity to link phenotypic variation in personality traits with polymorphisms in genomic regions that code for this trait variation. Identifying genes or genome regions that underlie personality traits will open exciting possibilities to study natural selection at the molecular level, gene -gene and gene -environment interactions, pleiotropic effects and how gene expression shapes personality phenotypes. In this paper, we will discuss how genome information revealed by already established approaches and some more recent techniques such as high-throughput sequencing of genomic regions in a large number of individuals can be used to infer microevolutionary processes, historical selection and finally the maintenance of personality trait variation. We will do this by reviewing recent advances in molecular genetics of animal personality, but will also use advanced human personality studies as case studies of how molecular information may be used in animal personality research in the near future.

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“…To date, we lack descriptions of how phenotypic plasticity is mediated via changes in the transcriptome, epigenome, and proteome (Gilbert 2005;Aubin-Horth and Renn 2009;Ellers and Stuefer 2010;Zhou et al 2012). In part, this may be because behavior is inherently complex, often with an underlying polygenic basis (Bell and Aubin-Horth 2010). Behavioral plasticity can also be highly flexible and reversible-hence gene expression changes underlying behavioral phenotypes may be subtle, transient, and potentially close to current detection thresholds (Carney 2007).…”

Section: Introductionmentioning

confidence: 99%

Genomic responses to the socio-sexual environment in male Drosophila melanogaster exposed to conspecific rivals

Mohorianu

Bretman

Smith

et al. 2017

RNA

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Socio-sexual environments have profound effects on fitness. Local sex ratios can alter the threat of sexual competition, to which males respond via plasticity in reproductive behaviors and ejaculate composition. In Drosophila melanogaster, males detect the presence of conspecific, same-sex mating rivals prior to mating using multiple, redundant sensory cues. Males that respond to rivals gain significant fitness benefits by altering mating duration and ejaculate composition. Here we investigated the underlying genome-wide changes involved. We used RNA-seq to analyze male transcriptomic responses 2, 26, and 50 h after exposure to rivals, a time period that was previously identified as encompassing the major facets of male responses to rivals. The results showed a strong early activation of multiple sensory genes in the head-thorax (HT), prior to the expression of any phenotypic differences. This gene expression response was reduced by 26 h, at the time of maximum phenotypic change, and shut off by 50 h. In the abdomen (A), fewer genes changed in expression and gene expression responses appeared to increase over time. The results also suggested that different sets of functionally equivalent genes might be activated in different replicates. This could represent a mechanism by which robustness is conferred upon highly plastic traits. Overall, our study reveals that mRNA-seq can identify subtle genomic signatures characteristic of flexible behavioral phenotypes.

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What can whole genome expression data tell us about the ecology and evolution of personality?

Cited by 97 publications

References 111 publications

Group personality during collective decision-making: a multi-level approach

Group personality during collective decision-making: a multi-level approach

Evolutionary genomics of animal personality

Genomic responses to the socio-sexual environment in male Drosophila melanogaster exposed to conspecific rivals

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