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| Content Provider | PubMed Central |
|---|---|
| Author | Zhou, Xiaofan Rokas, Antonis Berger, Shelley L. Liebig, Jürgen Ray, Anandasankar Zwiebel, Laurence J. |
| Copyright Year | 2015 |
| Abstract | Eusocial insects, mostly Hymenoptera, have evolved unique colonial lifestyles that rely on the perception of social context mainly through pheromones, and chemoreceptors are hypothesized to have played important adaptive roles in the evolution of sociality. However, because chemoreceptor repertoires have been characterized in few social insects and their solitary relatives, a comprehensive examination of this hypothesis has not been possible. Here, we annotate ∼3,000 odorant and gustatory receptors in recently sequenced Hymenoptera genomes and systematically compare >4,000 chemoreceptors from 13 hymenopterans, representing one solitary lineage (wasps) and three independently evolved eusocial lineages (ants and two bees). We observe a strong general tendency for chemoreceptors to expand in Hymenoptera, whereas the specifics of gene gains/losses are highly diverse between lineages. We also find more frequent positive selection on chemoreceptors in a facultative eusocial bee and in the common ancestor of ants compared with solitary wasps. Our results suggest that the frequent expansions of chemoreceptors have facilitated the transition to eusociality. Divergent expression patterns of odorant receptors between honeybee and ants further indicate differential roles of chemoreceptors in parallel trajectories of social evolution. |
| Related Links | http://dx.doi.org/10.1093/gbe/evv149 |
| Ending Page | 2416 |
| Page Count | 10 |
| Starting Page | 2407 |
| File Format | |
| ISSN | 17596653 |
| e-ISSN | 17596653 |
| Journal | Genome Biology and Evolution |
| Issue Number | 8 |
| Volume Number | 7 |
| Language | English |
| Publisher | Oxford University Press |
| Publisher Date | 2015-08-01 |
| Access Restriction | Open |
| Rights Holder | Oxford University Press |
| Subject Keyword | Genetics Ecology, Evolution, Behavior and Systematics Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Ecology, Evolution, Behavior and Systematics |
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