Endothelin neurotransmitter signalling controls zebrafish social behaviour
Abstract The formation of social groups is an adaptive behaviour that can provide protection from predators, improve foraging and facilitate social learning. However, the costs of proximity can include competition for resources, aggression and kleptoparasitism meaning that the decision whether to in...
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Nature Portfolio
2019
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oai:doaj.org-article:53e16a7b6f854de5988e0cf8e3e555cd2021-12-02T15:08:46ZEndothelin neurotransmitter signalling controls zebrafish social behaviour10.1038/s41598-019-39907-72045-2322https://doaj.org/article/53e16a7b6f854de5988e0cf8e3e555cd2019-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-019-39907-7https://doaj.org/toc/2045-2322Abstract The formation of social groups is an adaptive behaviour that can provide protection from predators, improve foraging and facilitate social learning. However, the costs of proximity can include competition for resources, aggression and kleptoparasitism meaning that the decision whether to interact represents a trade-off. Here we show that zebrafish harbouring a mutation in endothelin receptor aa (ednraa) form less cohesive shoals than wild-types. ednraa −/− mutants exhibit heightened aggression and decreased whole-body cortisol levels suggesting that they are dominant. These behavioural changes correlate with a reduction of parvocellular arginine vasopressin (AVP)-positive neurons in the preoptic area, an increase in the size of magnocellular AVP neurons and a higher concentration of 5-HT and dopamine in the brain. Manipulation of AVP or 5-HT signalling can rescue the shoaling phenotype of ednraa −/− providing an insight into how the brain controls social interactions.Héctor Carreño GutiérrezSarah ColanesiBen CooperFlorian ReichmannAndrew M. J. YoungRobert N. KelshWilliam H. J. NortonNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 9, Iss 1, Pp 1-17 (2019) |
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Medicine R Science Q Héctor Carreño Gutiérrez Sarah Colanesi Ben Cooper Florian Reichmann Andrew M. J. Young Robert N. Kelsh William H. J. Norton Endothelin neurotransmitter signalling controls zebrafish social behaviour |
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Abstract The formation of social groups is an adaptive behaviour that can provide protection from predators, improve foraging and facilitate social learning. However, the costs of proximity can include competition for resources, aggression and kleptoparasitism meaning that the decision whether to interact represents a trade-off. Here we show that zebrafish harbouring a mutation in endothelin receptor aa (ednraa) form less cohesive shoals than wild-types. ednraa −/− mutants exhibit heightened aggression and decreased whole-body cortisol levels suggesting that they are dominant. These behavioural changes correlate with a reduction of parvocellular arginine vasopressin (AVP)-positive neurons in the preoptic area, an increase in the size of magnocellular AVP neurons and a higher concentration of 5-HT and dopamine in the brain. Manipulation of AVP or 5-HT signalling can rescue the shoaling phenotype of ednraa −/− providing an insight into how the brain controls social interactions. |
format |
article |
author |
Héctor Carreño Gutiérrez Sarah Colanesi Ben Cooper Florian Reichmann Andrew M. J. Young Robert N. Kelsh William H. J. Norton |
author_facet |
Héctor Carreño Gutiérrez Sarah Colanesi Ben Cooper Florian Reichmann Andrew M. J. Young Robert N. Kelsh William H. J. Norton |
author_sort |
Héctor Carreño Gutiérrez |
title |
Endothelin neurotransmitter signalling controls zebrafish social behaviour |
title_short |
Endothelin neurotransmitter signalling controls zebrafish social behaviour |
title_full |
Endothelin neurotransmitter signalling controls zebrafish social behaviour |
title_fullStr |
Endothelin neurotransmitter signalling controls zebrafish social behaviour |
title_full_unstemmed |
Endothelin neurotransmitter signalling controls zebrafish social behaviour |
title_sort |
endothelin neurotransmitter signalling controls zebrafish social behaviour |
publisher |
Nature Portfolio |
publishDate |
2019 |
url |
https://doaj.org/article/53e16a7b6f854de5988e0cf8e3e555cd |
work_keys_str_mv |
AT hectorcarrenogutierrez endothelinneurotransmittersignallingcontrolszebrafishsocialbehaviour AT sarahcolanesi endothelinneurotransmittersignallingcontrolszebrafishsocialbehaviour AT bencooper endothelinneurotransmittersignallingcontrolszebrafishsocialbehaviour AT florianreichmann endothelinneurotransmittersignallingcontrolszebrafishsocialbehaviour AT andrewmjyoung endothelinneurotransmittersignallingcontrolszebrafishsocialbehaviour AT robertnkelsh endothelinneurotransmittersignallingcontrolszebrafishsocialbehaviour AT williamhjnorton endothelinneurotransmittersignallingcontrolszebrafishsocialbehaviour |
_version_ |
1718387997691346944 |