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The variable monoaminergic outcomes of cleaner fish brains when facing different social and mutualistic contexts
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- de Abreu, Murilo S. (author)
- Univ Fed Santa Maria, Programa Posgrad Farmacol, Santa Maria, RS, Brazil
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- Messias, Joao P. M. (author)
- Univ Porto, Ctr Invest Biodiversidade & Recursos Genet, CIBIO, Porto, Portugal
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- Thörnqvist, Per-Ove (author)
- Uppsala universitet,Fysiologi
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- (creator_code:org_t)
- 2018-05-24
- 2018
- English.
- In: PeerJ. - : PEERJ INC. - 2167-8359. ; 6
- Journal article (peer-reviewed)
Abstract
Subject headings
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- The monoamines serotonin and dopamine are important neuromodulators present in the central nervous system, known to be active regulators of social behaviour in fish as in other vertebrates. Our aim was to investigate the region-specific brain monoaminergic differences arising when individual cleaners face a client (mutualistic context) compared to when they are introduced to another conspecific (conspecific context), and to understand the relevance of visual assessment compared to the impact of physical contact with any partner. We demonstrated that serotoninergic activity at the diencephalon responds mostly to the absence of physical contact with clients whereas cerebellar dopaminergic activity responds to actual cleaning engagement. We provide first insights on the brain's monoaminergic (region-specific) response variations, involved in the expression of cleaner fishes' mutualistic and conspecific behaviour. These results contribute to a better understanding of the monoaminergic activity in accordance to different socio-behavioural contexts.
Subject headings
- NATURVETENSKAP -- Biologi -- Etologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Behavioural Sciences Biology (hsv//eng)
Keyword
- Serotonin
- Dopamine
- Cleanerfish
- Mutualisms
- Physical contact
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- ref (subject category)
- art (subject category)
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