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Oliveira JA, da Silva Souza JG, de Jesus Paula DA, Carmo Rodrigues Virote BD, Murgas LDS. Oxytocin reduces the frequency of aggressive behaviours in male betta fish (Betta splendens). Behav Processes 2022; 200:104689. [PMID: 35718243 DOI: 10.1016/j.beproc.2022.104689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 06/08/2022] [Accepted: 06/10/2022] [Indexed: 11/16/2022]
Abstract
The objective of this study was to evaluate the effect of visual isolation and the influence of oxytocin on the aggressive behaviour of male Betta splendens and produce an ethogram for analyses. In the first stage, the fish (n=6) were kept for 60 days in a recirculation system, maintaining visual contact. After this period, the mirror test was applied. The same procedure was performed with the same individuals after 30 days of visual isolation. Visual isolation did no effect on the aggressive behaviour. Application of oxytocin (2.5µg/g) for 1h (twice) in this first stage was also conducted after the mirror test. The effect of exposure to oxytocin was evaluated by applying the mirror test 24hours after the second exposure. The second stage was conducted with another 10 individuals exposed to oxytocin (7.5µg/g) for 1h, after which the mirror test was performed. Exposure to oxytocin (2.5µg/g) did not effect on combat-related behaviours. However, in the second stage influenced all behaviours related to combat and display, with an increase in the frequency of "rest" behaviour. The results indicate that exposure to a neuropeptide at a dose of 7.5µg/g reduces the frequency of aggressive behaviour of male Betta splendens.
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Affiliation(s)
- Júlia Alvarenga Oliveira
- Department of Biology, Natural Sciences Institute of Federal University of Lavras, UFLA, Rua Doutor Silvio Menicucci, s/n, Lavras 37200-900, Minas Gerais, Brazil
| | - José Gilmar da Silva Souza
- Department of Animal Science, College of Animal Science and Veterinary Medicine of Federal University of Lavras, UFLA, Rua Doutor Silvio Menicucci, s/n, Lavras 37200-900, Minas Gerais, Brazil
| | - Daniella Aparecida de Jesus Paula
- Postgraduate Program in Veterinary Medicine, College of Animal Science and Veterinary Medicine of Federal University of Lavras, UFLA, Rua Doutor Silvio Menicucci, s/n, Lavras 37200-900, Minas Gerais, Brazil.
| | - Bárbara do Carmo Rodrigues Virote
- Postgraduate Program in Veterinary Medicine, College of Animal Science and Veterinary Medicine of Federal University of Lavras, UFLA, Rua Doutor Silvio Menicucci, s/n, Lavras 37200-900, Minas Gerais, Brazil
| | - Luis David Solis Murgas
- Postgraduate Program in Veterinary Medicine, College of Animal Science and Veterinary Medicine of Federal University of Lavras, UFLA, Rua Doutor Silvio Menicucci, s/n, Lavras 37200-900, Minas Gerais, Brazil.
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2
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Oliveira RF, Bshary R. Expanding the concept of social behavior to interspecific interactions. Ethology 2021. [DOI: 10.1111/eth.13194] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Rui F. Oliveira
- Instituto Gulbenkian de Ciência Oeiras Portugal
- ISPA – Instituto Universitário Lisboa Portugal
- Champalimaud Neuroscience Programme Lisboa Portugal
| | - Redouan Bshary
- Institute of Biology University of Neuchâtel Neuchâtel Switzerland
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3
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Behavioral and brain- transcriptomic synchronization between the two opponents of a fighting pair of the fish Betta splendens. PLoS Genet 2020; 16:e1008831. [PMID: 32555673 PMCID: PMC7299326 DOI: 10.1371/journal.pgen.1008831] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Accepted: 05/05/2020] [Indexed: 01/13/2023] Open
Abstract
Conspecific male animals fight for resources such as food and mating opportunities but typically stop fighting after assessing their relative fighting abilities to avoid serious injuries. Physiologically, how the fighting behavior is controlled remains unknown. Using the fighting fish Betta splendens, we studied behavioral and brain-transcriptomic changes during the fight between the two opponents. At the behavioral level, surface-breathing, and biting/striking occurred only during intervals between mouth-locking. Eventually, the behaviors of the two opponents became synchronized, with each pair showing a unique behavioral pattern. At the physiological level, we examined the expression patterns of 23,306 brain transcripts using RNA-sequencing data from brains of fighting pairs after a 20-min (D20) and a 60-min (D60) fight. The two opponents in each D60 fighting pair showed a strong gene expression correlation, whereas those in D20 fighting pairs showed a weak correlation. Moreover, each fighting pair in the D60 group showed pair-specific gene expression patterns in a grade of membership analysis (GoM) and were grouped as a pair in the heatmap clustering. The observed pair-specific individualization in brain-transcriptomic synchronization (PIBS) suggested that this synchronization provides a physiological basis for the behavioral synchronization. An analysis using the synchronized genes in fighting pairs of the D60 group found genes enriched for ion transport, synaptic function, and learning and memory. Brain-transcriptomic synchronization could be a general phenomenon and may provide a new cornerstone with which to investigate coordinating and sustaining social interactions between two interacting partners of vertebrates. Agonistic encounters induce changes in the brain and behavior, but their underlying molecular mechanisms remain poorly understood. The fighting fish Betta splendens are small freshwater fish that are well known for their aggressiveness and are widely used to study aggression. Here, by measuring aggressive behavior displays (bite/strike/surface-breathing) between two opponents during fighting, we demonstrate that the two opponents in each fighting pair showed similar fighting configurations by influencing each other. In addition, we compared brain gene expression between opponents and showed synchronization of gene expression within a fighting pair, leading to pair-specific synchronization in genes associated with ion transport, synapse function, and learning and memory. This study presents the possibility that similar behaviors in pairs of animals under similar conditions may trigger synchronizing waves of transcription between the individuals, providing a hint to support the idea that fighting behaviors contain cooperative aspects at the molecular level.
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4
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Ataei Mehr B, Garner SR, Neff BD. Effect of isotocin on shoaling behaviour of the Guppy (Poecilia reticulata). Anim Cogn 2020; 23:827-831. [PMID: 32303866 DOI: 10.1007/s10071-020-01381-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 03/24/2020] [Accepted: 04/03/2020] [Indexed: 10/24/2022]
Abstract
Pro-social effects of oxytocin and its homologues are well-documented in birds and mammals. However, in fishes, the effect of isotocin, the homologue of oxytocin, on social behaviour is less clear. Studies in fishes have generally shown no effect of isotocin on social behaviours or even an anti-social effect. In our study, we measured association preference for conspecifics in 92 adult guppies (46 females and 46 males), half of which were injected with isotocin and the other half with an isotocin antagonist. We found that individuals injected with isotocin spent 29% more time associating with conspecifics than individuals injected with an isotocin antagonist. The effect of isotocin on association time did not differ between males and females. Our study provides some of the first evidence of a pro-social effects of isotocin in a fish and suggests that in fishes, isotocin may have a homologous role to oxytocin, at least in promoting shoaling behaviour.
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Affiliation(s)
- Babak Ataei Mehr
- Department of Biology, The University of Western Ontario, London, ON, Canada
| | - Shawn R Garner
- Department of Biology, The University of Western Ontario, London, ON, Canada
| | - Bryan D Neff
- Department of Biology, The University of Western Ontario, London, ON, Canada.
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5
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Stiver KA, Marsh-Rollo SE, Alonzo SH. Neuropeptide manipulation has behavioural and cascading fitness consequences in wild-living fish. Anim Behav 2019. [DOI: 10.1016/j.anbehav.2019.08.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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6
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Silva AC, Pandolfi M. Vasotocinergic control of agonistic behavior told by Neotropical fishes. Gen Comp Endocrinol 2019; 273:67-72. [PMID: 29702104 DOI: 10.1016/j.ygcen.2018.04.025] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Revised: 03/23/2018] [Accepted: 04/23/2018] [Indexed: 10/17/2022]
Abstract
The hypothalamic neuropeptides of the vasopressin-oxytocin family (and their homologs for non-mammalian species) are key modulators of the Social Brain Network, acting via specific receptors reported in all the nuclei of this network. Different conclusive examples have proven the context-dependency actions of hypothalamic nonapeptides on social behavior in several vertebrate taxa. Teleost fishes provide endless possibilities of experimental model systems to explore the underlying mechanisms of nonapeptide actions on social behavior given that they are the most diverse group of vertebrates. Although it has been difficult to identify commonalities of nonapeptide actions across species, indisputable evidence in many teleost species have demonstrated a clear role of vasotocin in the modulation of aggressive and sexual behaviors. Though Neotropical South American fish contribute an important percentage of teleost diversity, most native species remain unexplored as model systems for the study of the neuroendocrine bases of social behavior. In this review, we will revise recent data on the two model systems of Neotropical fish, South American cichlids and weakly electric fish that have contributed to this issue.
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Affiliation(s)
- Ana C Silva
- Unidad Bases Neurales de la Conducta, Instituto de Investigaciones Biológicas Clemente Estable, Avenida Italia 3318, CP 11600 Montevideo, Uruguay; Laboratorio de Neurociencias, Facultad de Ciencias, Universidad de la República, Iguá 4225, CP 11400 Montevideo, Uruguay
| | - Matías Pandolfi
- Laboratorio de Neuroendocrinología y Comportamiento, DBBE e IBBEA-CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Intendente Güiraldes 2160, C1428EHA Ciudad Autónoma de Buenos Aires, Argentina.
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7
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Attaran A, Salahinejad A, Crane AL, Niyogi S, Chivers DP. Chronic exposure to dietary selenomethionine dysregulates the genes involved in serotonergic neurotransmission and alters social and antipredator behaviours in zebrafish (Danio rerio). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 246:837-844. [PMID: 30623840 DOI: 10.1016/j.envpol.2018.12.090] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 12/27/2018] [Accepted: 12/28/2018] [Indexed: 06/09/2023]
Abstract
Selenium (Se) is a metalloid of potential interest from both a toxicological and nutritional perspective, having a range of safe intake. The adverse neuro-behavioural effects of Se have been investigated in both humans and fishes, but little is known about its effects on social behaviours or the serotonergic signaling pathway in the brain. In the present study, we investigated the effects of chorionic dietary exposure to Se (as selenomethionine) at different concentrations (control, 2.1, 11.6 or 31.5 μg/g dry wt.) on antipredator avoidance, shoaling behaviour, and social group preferences in adult zebrafish (Danio rerio). In addition, we also measured the expression of important genes in the serotonergic pathway that influence social behaviours. After 60 days of exposure, the highest dose (31.5 μg/g dry wt.) caused the highest level of baseline fear behaviour, with fish swimming lower in the water column and in tighter shoals compared to fish in the other treatments. With high levels of baseline fear, these fish did not significantly intensify fear behaviours in response to predation risk in the form of exposure to chemical alarm cues. When individual fish were given an opportunity to shoal with groups of differing sizes (3 vs. 4 individuals), fish exposed to the high dose spent less time with groups in general, and only control fish showed a significant preference for the larger group. In the zebrafish brain, we found significant upregulation in the mRNA expression of serotonin receptors (htr1aa and htr1b), a transporter (slc6a4a), and tryptophan hydroxylase-2 (tph2), whereas there was a downregulation of the monoamine oxidase (mao) gene. The results of this study suggest that disruption of serotonergic neurotransmission might have been responsible for Se-induced impairment of antipredator and social behaviour in zebrafish.
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Affiliation(s)
- Anoosha Attaran
- Department of Biology, University of Saskatchewan, 112 Science Place, Saskatoon, Saskatchewan, S7N 5E2, Canada.
| | - Arash Salahinejad
- Department of Biology, University of Saskatchewan, 112 Science Place, Saskatoon, Saskatchewan, S7N 5E2, Canada
| | - Adam L Crane
- Department of Biology, University of Saskatchewan, 112 Science Place, Saskatoon, Saskatchewan, S7N 5E2, Canada; Department of Biology, Concordia University, Montreal, Quebec, H4B 1R6, Canada
| | - Som Niyogi
- Department of Biology, University of Saskatchewan, 112 Science Place, Saskatoon, Saskatchewan, S7N 5E2, Canada; Toxicology Centre, University of Saskatchewan, 44 Campus Drive, Saskatoon, Saskatchewan, S7N 5B3, Canada
| | - Douglas P Chivers
- Department of Biology, University of Saskatchewan, 112 Science Place, Saskatoon, Saskatchewan, S7N 5E2, Canada
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8
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Maruska K, Soares MC, Lima-Maximino M, Henrique de Siqueira-Silva D, Maximino C. Social plasticity in the fish brain: Neuroscientific and ethological aspects. Brain Res 2019; 1711:156-172. [PMID: 30684457 DOI: 10.1016/j.brainres.2019.01.026] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2018] [Revised: 01/16/2019] [Accepted: 01/22/2019] [Indexed: 12/17/2022]
Abstract
Social plasticity, defined as the ability to adaptively change the expression of social behavior according to previous experience and to social context, is a key ecological performance trait that should be viewed as crucial for Darwinian fitness. The neural mechanisms for social plasticity are poorly understood, in part due to skewed reliance on rodent models. Fish model organisms are relevant in the field of social plasticity for at least two reasons: first, the diversity of social organization among fish species is staggering, increasing the breadth of evolutionary relevant questions that can be asked. Second, that diversity also suggests translational relevance, since it is more likely that "core" mechanisms of social plasticity are discovered by analyzing a wider variety of social arrangements than relying on a single species. We analyze examples of social plasticity across fish species with different social organizations, concluding that a "core" mechanism is the initiation of behavioral shifts through the modulation of a conserved "social decision-making network", along with other relevant brain regions, by monoamines, neuropeptides, and steroid hormones. The consolidation of these shifts may be mediated via neurogenomic adjustments and regulation of the expression of plasticity-related molecules (transcription factors, cell cycle regulators, and plasticity products).
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Affiliation(s)
- Karen Maruska
- Department of Biological Sciences, Louisiana State University, Baton Rouge, USA
| | - Marta C Soares
- Centro de Investigação em Biodiversidade e Recursos Genéticos - CIBIO, Universidade do Porto, Vairão, Portugal
| | - Monica Lima-Maximino
- Laboratório de Biofísica e Neurofarmacologia, Universidade do Estado do Pará, Campus VIII, Marabá, Brazil; Grupo de Pesquisas em Neuropsicofarmacologia e Psicopatologia Experimental, Brazil
| | - Diógenes Henrique de Siqueira-Silva
- Laboratório de Neurociências e Comportamento "Frederico Guilherme Graeff", Universidade Federal do Sul e Sudeste do Pará, Marabá, Brazil; Grupo de Estudos em Reprodução de Peixes Amazônicos, Universidade Federal do Sul e Sudeste do Pará, Marabá, Brazil
| | - Caio Maximino
- Grupo de Pesquisas em Neuropsicofarmacologia e Psicopatologia Experimental, Brazil; Laboratório de Neurociências e Comportamento "Frederico Guilherme Graeff", Universidade Federal do Sul e Sudeste do Pará, Marabá, Brazil.
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9
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Abreu MS, Messias JPM, Giacomini ACVV, Soares MC. Estradiol shapes mutualistic behaviour of female cleaner fish (Labroides dimidiatus - Valenciennes, 1839): Potential implications of environmental disturbance. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 157:244-248. [PMID: 29625398 DOI: 10.1016/j.ecoenv.2018.03.072] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 02/20/2018] [Accepted: 03/25/2018] [Indexed: 06/08/2023]
Abstract
The presence of endocrine-derived compounds in the environment occurs due to a myriad of human or industrial activity and can disrupt the endocrine system of animals, including fish. One important group of endocrine disruptors are the estrogens, such as 17-β estradiol (E2, estradiol). Estrogens are gonadal steroid hormones, able to be influential even in small concentrations. Here, we demonstrate that E2 is linked to female' decisions made by an important coral reef species, the cleaner fish Labroides dimidiatus, during interactions with other reef fishes (known as clients). E2 treatment in natural conditions interfered directly in the cooperative relationships, by increasing cleaners' willingness to interact with clients, providing greater amounts of physical contact to their fish partners. We discuss the meaning of the observed behavioural disruption produced by E2, which by affecting a key species (cleaners) may produce a cascade impact in the aquatic ecosystem.
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Affiliation(s)
- Murilo S Abreu
- Graduate Program in Pharmacology, Federal University of Santa Maria (UFSM), Santa Maria, RS 97105-900, Brazil
| | - João P M Messias
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Campus Agrário de Vairão, 4485-661 Vairão, Portugal
| | - Ana C V V Giacomini
- Graduate Program in Environmental Sciences, University of Passo Fundo (UPF), Passo Fundo, RS, 99052-900, Brazil
| | - Marta C Soares
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Campus Agrário de Vairão, 4485-661 Vairão, Portugal.
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10
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Abreu MS, Kulczykowska E, Cardoso SC, André GI, Morais M, Gozdowska M, Soares MC. Nonapeptide levels in male cleaner fish brains during interactions with unfamiliar intra and interspecific partners. Behav Ecol Sociobiol 2018. [DOI: 10.1007/s00265-018-2537-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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11
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Soares MC, Cardoso SC, Carvalho TDS, Maximino C. Using model fish to study the biological mechanisms of cooperative behaviour: A future for translational research concerning social anxiety disorders? Prog Neuropsychopharmacol Biol Psychiatry 2018; 82:205-215. [PMID: 29154800 DOI: 10.1016/j.pnpbp.2017.11.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 11/03/2017] [Accepted: 11/10/2017] [Indexed: 01/05/2023]
Abstract
Human societies demand of its composing members the development of a wide array of social tools and strategies. A notable example is human outstanding ability to cooperate with others, in all its complex forms, depicting the reality of a highly demanding social framework in which humans need to be integrated as to attain physical and mental benefits. Considering the importance of social engagement, it's not entirely unexpected that most psychiatric disorders involve some disruption of normal social behaviour, ranging from an abnormal absence to a significant increase of social functioning. It is however surprising that knowledge on these social anxiety disorders still remains so limited. Here we review the literature focusing on the social and cooperative toolbox of 3 fish model species (cleaner fishes, guppies and zebrafish) which are amenable systems to test for social disorders. We build on current knowledge based on ethological information, arising from studies on cooperative behaviour in cleanerfishes and guppies, while profiting from the advantages of the intense use of zebrafish, to create novel paradigms aiming at the major socio-cognitive modules/dimensions in fish species. This focus may enable the discovery of putative conserved endpoints which are relevant for research into social disorders. We suggest that cross-species, cross-domain, functional and genetic approaches could provide a wider array of information on the neurobiological bases of social and cooperative behaviour, crucial to understanding the neural bases of social disorders and key to finding novel avenues towards treatment.
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Affiliation(s)
- Marta C Soares
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Campus Agrário de Vairão, 4485-661 Vairão, Portugal.
| | - Sónia C Cardoso
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Campus Agrário de Vairão, 4485-661 Vairão, Portugal
| | - Tamires Dos Santos Carvalho
- IESB, Instituto de Estudos em Saúde e Biológicas, Universidade Federal do Sul e Sudeste do Pará, Unidade III, Marabá, Brazil
| | - Caio Maximino
- IESB, Instituto de Estudos em Saúde e Biológicas, Universidade Federal do Sul e Sudeste do Pará, Unidade III, Marabá, Brazil
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12
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Soares MC. The Neurobiology of Mutualistic Behavior: The Cleanerfish Swims into the Spotlight. Front Behav Neurosci 2017; 11:191. [PMID: 29089876 PMCID: PMC5651018 DOI: 10.3389/fnbeh.2017.00191] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Accepted: 09/29/2017] [Indexed: 11/29/2022] Open
Abstract
One of the most notorious examples of cooperation between different species happens in the cleaner-client fish mutualism. The best known cleaner fish species, the bluestreak Indo-Pacific cleaner wrasse Labroides dimidiatus has been a model system to study the evolution of cooperation between unrelated animals and between distinct species during the last couple of decades. Given that the cleanerfish mutualism is well-established for behavioral studies of cooperation, it offered an outstanding opportunity to identify the link between cooperation, social cognition, and to undertake proximate studies, which were severely in need. This review surveys the current achievements of several recent studies, pointing towards the potential of the cleanerfish mutualism as a relevant model system for future accomplishments in neuroendocrine research.
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Affiliation(s)
- Marta C Soares
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Porto, Portugal
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13
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14
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Soares MC, Cardoso SC, Mazzei R, André GI, Morais M, Gozdowska M, Kalamarz-Kubiak H, Kulczykowska E. Region specific changes in nonapeptide levels during client fish interactions with allopatric and sympatric cleaner fish. PLoS One 2017; 12:e0180290. [PMID: 28683143 PMCID: PMC5500320 DOI: 10.1371/journal.pone.0180290] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Accepted: 06/13/2017] [Indexed: 12/02/2022] Open
Abstract
Social relationships are crucially dependent on individual ability to learn and remember ecologically relevant cues. However, the way animals recognize cues before engaging in any social interaction and how their response is regulated by brain neuromodulators remains unclear. We examined the putative involvement of arginine vasotocin (AVT) and isotocin (IT), acting at different brain regions, during fish decision-making in the context of cooperation, by trying to identify how fish distinguish and recognize the value of other social partners or species. We hypothesized that the behavioural responses of cleaner fish clients to different social contexts would be underlain by changes in brain AVT and IT levels. We have found that changes in AVT at the level of forebrain and optic tectum are linked with a response to allopatric cleaners (novel or unfamiliar stimuli) while those at cerebellum are associated with the willingness to be cleaned (in response to sympatric cleaners). On the other hand, higher brain IT levels that were solely found in the diencephalon, also in response to allopatric cleaners. Our results are the first to implicate these nonapeptides, AVT in particular, in the assessment of social cues which enable fish to engage in mutualistic activities.
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Affiliation(s)
- Marta C. Soares
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Campus Agrário de Vairão, Vairão, Portugal
- * E-mail:
| | - Sónia C. Cardoso
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Campus Agrário de Vairão, Vairão, Portugal
| | - Renata Mazzei
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Campus Agrário de Vairão, Vairão, Portugal
- Université de Neuchâtel, Institut de Biologie, Eco-Ethologie, Rue Emilie-Argand 11, Neuchâtel, Switzerland
| | - Gonçalo I. André
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Campus Agrário de Vairão, Vairão, Portugal
| | - Marta Morais
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Campus Agrário de Vairão, Vairão, Portugal
| | - Magdalena Gozdowska
- Genetics and Marine Biotechnology Department, Institute of Oceanology of the Polish Academy of Sciences, Sopot, Poland
| | - Hanna Kalamarz-Kubiak
- Genetics and Marine Biotechnology Department, Institute of Oceanology of the Polish Academy of Sciences, Sopot, Poland
| | - Ewa Kulczykowska
- Genetics and Marine Biotechnology Department, Institute of Oceanology of the Polish Academy of Sciences, Sopot, Poland
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15
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Triki Z, Bshary R, Grutter AS, Ros AF. The arginine-vasotocin and serotonergic systems affect interspecific social behaviour of client fish in marine cleaning mutualism. Physiol Behav 2017; 174:136-143. [DOI: 10.1016/j.physbeh.2017.03.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Revised: 03/10/2017] [Accepted: 03/10/2017] [Indexed: 11/16/2022]
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16
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Taborsky M, Taborsky B. Evolution of genetic and physiological mechanisms of cooperative behaviour. Curr Opin Behav Sci 2015. [DOI: 10.1016/j.cobeha.2015.11.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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17
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Kulczykowska E, Cardoso SC, Gozdowska M, André GI, Paula JR, Ślebioda M, Oliveira RF, Soares MC. Brain levels of nonapeptides in four labrid fish species with different levels of mutualistic behavior. Gen Comp Endocrinol 2015; 222:99-105. [PMID: 26095225 DOI: 10.1016/j.ygcen.2015.06.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Accepted: 06/09/2015] [Indexed: 11/27/2022]
Abstract
There is strong evidence that brain nonapeptides are implicated as modulators of a wide array of social and reproductive behaviors in fishes. However, the question remains, as to whether there is a link between the distribution of active nonapeptides across brain regions and fishes specific behavioral phenotypes. To explore this link we compared the nonapeptides' profile across the brains of fishes representing different degrees of mutualistic behavior (here: cleaning behavior). Herein we studied the quantitative distribution of both nonapeptides, arginine vasotocin (AVT) and isotocin (IT), in the brains of four species of fish belonging to the family Labridae: two are obligatory cleaners throughout their entire life (Labroides dimidiatus and Labroides bicolor), one species is a facultative cleaner (Labropsis australis; juveniles are cleaners and adults are corallivorous), and one is a non-cleaner species, corallivorous throughout its entire life (Labrichthys unilineatus). The biologically available AVT and IT concentrations were measured simultaneously in distinct brain macro-areas: forebrain, optic tectum, cerebellum and brain stem, using liquid chromatography-tandem mass spectrometry (LC-MS/MS). We showed that the levels of both AVT and IT varied significantly across species, as measured in the whole brain or in the specific macro-areas. Significantly higher AVT concentrations in the cerebellum which were found in the obligate cleaners seemed to be related to expression of mutualistic behavior. On the other hand, the higher levels of brain IT in the non-cleaner L. unilineatus suggested that these might be linked to the development of sexual dimorphism, which occurs only in this non-cleaner species.
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Affiliation(s)
- Ewa Kulczykowska
- Genetics and Marine Biotechnology, Institute of Oceanology of the Polish Academy of Sciences, Sopot, Poland
| | - Sónia C Cardoso
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Campus Agrário de Vairão, 4485-661 Vairão, Portugal; Unidade de Investigação em Eco-Etologia, ISPA - Instituto Universitário, Lisboa, Portugal
| | - Magdalena Gozdowska
- Genetics and Marine Biotechnology, Institute of Oceanology of the Polish Academy of Sciences, Sopot, Poland
| | - Gonçalo I André
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Campus Agrário de Vairão, 4485-661 Vairão, Portugal
| | - José R Paula
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Campus Agrário de Vairão, 4485-661 Vairão, Portugal
| | - Marek Ślebioda
- Perlan Technologies Sp. z.o.o., Puławska 303 St., 02-785 Warszawa, Poland
| | - Rui F Oliveira
- Unidade de Investigação em Eco-Etologia, ISPA - Instituto Universitário, Lisboa, Portugal; Champalimaud Neuroscience Programme, Instituto Gulbenkian de Ciência, Oeiras, Portugal
| | - Marta C Soares
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Campus Agrário de Vairão, 4485-661 Vairão, Portugal.
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Paula JR, Messias JP, Grutter AS, Bshary R, Soares MC. The role of serotonin in the modulation of cooperative behavior. Behav Ecol 2015. [DOI: 10.1093/beheco/arv039] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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