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Octopaminergic gene expression and flexible social behaviour in the subsocial burying beetle Nicrophorus vespilloides

C. B. Cunningham, M. K. Douthit, A. J. Moore, Chris Cunningham Orcid Logo

Insect Molecular Biology, Volume: 23, Pages: 391 - 404

Swansea University Author: Chris Cunningham Orcid Logo

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DOI (Published version): 10.1111/imb.12090

Abstract

Flexible behaviour allows organisms to respond appropriately to changing environmental and social conditions. In the subsocial beetle Nicrophorus vespilloides, females tolerate conspecifics when mating, become aggressive when defending resources, and return to social tolerance when transitioning to...

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Published in: Insect Molecular Biology
ISSN: 09621075
Published: Wiley-Blackwell 2014
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URI: https://cronfa.swan.ac.uk/Record/cronfa32681
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spelling 2018-04-11T11:09:05.5039113 v2 32681 2017-03-24 Octopaminergic gene expression and flexible social behaviour in the subsocial burying beetle Nicrophorus vespilloides 0bd688baf9fc30cb39dfae9ed28cb662 0000-0003-3965-2076 Chris Cunningham Chris Cunningham true false 2017-03-24 SBI Flexible behaviour allows organisms to respond appropriately to changing environmental and social conditions. In the subsocial beetle Nicrophorus vespilloides, females tolerate conspecifics when mating, become aggressive when defending resources, and return to social tolerance when transitioning to parenting. Given the association between octopamine and aggression in insects, we hypothesized that genes in the octopaminergic system would be differentially expressed across different social and reproductive contexts. To test this in N. vespilloides, we first obtained the sequences of orthologues of the synthetic enzymes and receptors of the octopaminergic system. We next compared relative gene expression from virgin females, mated females, mated females alone on a resource required for reproduction and mated females on a resource with a male. Expression varied for five receptor genes. The expression of octopamine β receptor 1 and octopamine β receptor 2 was relatively higher in mated females than in other social conditions. Octopamine β receptor 3 was influenced by the presence or absence of a resource and less by social environment. Octopamine α receptor and octopamine/tyramine receptor 1 gene expression was relatively lower in the mated females with a resource and a male. We suggest that in N. vespilloides the octopaminergic system is associated with the expression of resource defence, alternative mating tactics, social tolerance and indirect parental care. Journal Article Insect Molecular Biology 23 391 404 Wiley-Blackwell 09621075 31 3 2014 2014-03-31 10.1111/imb.12090 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University 2018-04-11T11:09:05.5039113 2017-03-24T16:14:19.2821008 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences C. B. Cunningham 1 M. K. Douthit 2 A. J. Moore 3 Chris Cunningham 0000-0003-3965-2076 4 0032681-28032017134550.pdf behav_OA_Nvespilloides_Cunningham_2014.pdf 2017-03-28T13:45:50.2370000 Output 5860269 application/pdf Version of Record true 2017-03-28T00:00:00.0000000 This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. true eng
title Octopaminergic gene expression and flexible social behaviour in the subsocial burying beetle Nicrophorus vespilloides
spellingShingle Octopaminergic gene expression and flexible social behaviour in the subsocial burying beetle Nicrophorus vespilloides
Chris Cunningham
title_short Octopaminergic gene expression and flexible social behaviour in the subsocial burying beetle Nicrophorus vespilloides
title_full Octopaminergic gene expression and flexible social behaviour in the subsocial burying beetle Nicrophorus vespilloides
title_fullStr Octopaminergic gene expression and flexible social behaviour in the subsocial burying beetle Nicrophorus vespilloides
title_full_unstemmed Octopaminergic gene expression and flexible social behaviour in the subsocial burying beetle Nicrophorus vespilloides
title_sort Octopaminergic gene expression and flexible social behaviour in the subsocial burying beetle Nicrophorus vespilloides
author_id_str_mv 0bd688baf9fc30cb39dfae9ed28cb662
author_id_fullname_str_mv 0bd688baf9fc30cb39dfae9ed28cb662_***_Chris Cunningham
author Chris Cunningham
author2 C. B. Cunningham
M. K. Douthit
A. J. Moore
Chris Cunningham
format Journal article
container_title Insect Molecular Biology
container_volume 23
container_start_page 391
publishDate 2014
institution Swansea University
issn 09621075
doi_str_mv 10.1111/imb.12090
publisher Wiley-Blackwell
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
document_store_str 1
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description Flexible behaviour allows organisms to respond appropriately to changing environmental and social conditions. In the subsocial beetle Nicrophorus vespilloides, females tolerate conspecifics when mating, become aggressive when defending resources, and return to social tolerance when transitioning to parenting. Given the association between octopamine and aggression in insects, we hypothesized that genes in the octopaminergic system would be differentially expressed across different social and reproductive contexts. To test this in N. vespilloides, we first obtained the sequences of orthologues of the synthetic enzymes and receptors of the octopaminergic system. We next compared relative gene expression from virgin females, mated females, mated females alone on a resource required for reproduction and mated females on a resource with a male. Expression varied for five receptor genes. The expression of octopamine β receptor 1 and octopamine β receptor 2 was relatively higher in mated females than in other social conditions. Octopamine β receptor 3 was influenced by the presence or absence of a resource and less by social environment. Octopamine α receptor and octopamine/tyramine receptor 1 gene expression was relatively lower in the mated females with a resource and a male. We suggest that in N. vespilloides the octopaminergic system is associated with the expression of resource defence, alternative mating tactics, social tolerance and indirect parental care.
published_date 2014-03-31T03:40:08Z
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