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Young RL, Price SM, Schumer M, Wang S, Cummings ME. Individual variation in preference behavior in sailfin fish refines the neurotranscriptomic pathway for mate preference. Ecol Evol 2023; 13:e10323. [PMID: 37492456 PMCID: PMC10363800 DOI: 10.1002/ece3.10323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 06/22/2023] [Accepted: 06/30/2023] [Indexed: 07/27/2023] Open
Abstract
Social interactions can drive distinct gene expression profiles which may vary by social context. Here we use female sailfin molly fish (Poecilia latipinna) to identify genomic profiles associated with preference behavior in distinct social contexts: male interactions (mate choice) versus female interactions (shoaling partner preference). We measured the behavior of 15 females interacting in a non-contact environment with either two males or two females for 30 min followed by whole-brain transcriptomic profiling by RNA sequencing. We profiled females that exhibited high levels of social affiliation and great variation in preference behavior to identify an order of magnitude more differentially expressed genes associated with behavioral variation than by differences in social context. Using a linear model (limma), we took advantage of the individual variation in preference behavior to identify unique gene sets that exhibited distinct correlational patterns of expression with preference behavior in each social context. By combining limma and weighted gene co-expression network analyses (WGCNA) approaches we identified a refined set of 401 genes robustly associated with mate preference that is independent of shoaling partner preference or general social affiliation. While our refined gene set confirmed neural plasticity pathways involvement in moderating female preference behavior, we also identified a significant proportion of discovered that our preference-associated genes were enriched for 'immune system' gene ontology categories. We hypothesize that the association between mate preference and transcriptomic immune function is driven by the less well-known role of these genes in neural plasticity which is likely involved in higher-order learning and processing during mate choice decisions.
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Affiliation(s)
- Rebecca L. Young
- Department of Integrative BiologyUniversity of TexasAustinTexasUSA
| | - Sarah M. Price
- Department of Integrative BiologyUniversity of TexasAustinTexasUSA
| | - Molly Schumer
- Department of Ecology and Evolutionary BiologyPrinceton UniversityPrincetonNew JerseyUSA
- Present address:
Department of BiologyStanford UniversityStanfordCaliforniaUSA
| | - Silu Wang
- Department of Integrative BiologyUniversity of TexasAustinTexasUSA
- Present address:
Department of Integrative BiologyUniversity of California, BerkeleyBerkeleyCaliforniaUSA
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2
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Fuss T. Mate Choice, Sex Roles and Sexual Cognition: Neuronal Prerequisites Supporting Cognitive Mate Choice. Front Ecol Evol 2021. [DOI: 10.3389/fevo.2021.749499] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Across taxa, mate choice is a highly selective process involving both intra- and intersexual selection processes aiming to pass on one’s genes, making mate choice a pivotal tool of sexual selection. Individuals adapt mate choice behavior dynamically in response to environmental and social changes. These changes are perceived sensorily and integrated on a neuronal level, which ultimately leads to an adequate behavioral response. Along with perception and prior to an appropriate behavioral response, the choosing sex has (1) to recognize and discriminate between the prospective mates and (2) to be able to assess and compare their performance in order to make an informed decision. To do so, cognitive processes allow for the simultaneous processing of multiple information from the (in-) animate environment as well as from a variety of both sexual and social (but non-sexual) conspecific cues. Although many behavioral aspects of cognition on one side and of mate choice displays on the other are well understood, the interplay of neuronal mechanisms governing both determinants, i.e., governing cognitive mate choice have been described only vaguely. This review aimed to throw a spotlight on neuronal prerequisites, networks and processes supporting the interaction between mate choice, sex roles and sexual cognition, hence, supporting cognitive mate choice. How does neuronal activity differ between males and females regarding social cognition? Does sex or the respective sex role within the prevailing mating system mirror at a neuronal level? How does cognitive competence affect mate choice? Conversely, how does mate choice affect the cognitive abilities of both sexes? Benefitting from studies using different neuroanatomical techniques such as neuronal activity markers, differential coexpression or candidate gene analyses, modulatory effects of neurotransmitters and hormones, or imaging techniques such as fMRI, there is ample evidence pointing to a reflection of sex and the respective sex role at the neuronal level, at least in individual brain regions. Moreover, this review aims to summarize evidence for cognitive abilities influencing mate choice and vice versa. At the same time, new questions arise centering the complex relationship between neurobiology, cognition and mate choice, which we will perhaps be able to answer with new experimental techniques.
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3
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Baker MR, Wong RY. Npas4a expression in the teleost forebrain is associated with stress coping style differences in fear learning. Sci Rep 2021; 11:12074. [PMID: 34103598 PMCID: PMC8187387 DOI: 10.1038/s41598-021-91495-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 05/21/2021] [Indexed: 12/14/2022] Open
Abstract
Learning to anticipate potentially dangerous contexts is an adaptive behavioral response to coping with stressors. An animal's stress coping style (e.g. proactive-reactive axis) is known to influence how it encodes salient events. However, the neural and molecular mechanisms underlying these stress coping style differences in learning are unknown. Further, while a number of neuroplasticity-related genes have been associated with alternative stress coping styles, it is unclear if these genes may bias the development of conditioned behavioral responses to stressful stimuli, and if so, which brain regions are involved. Here, we trained adult zebrafish to associate a naturally aversive olfactory cue with a given context. Next, we investigated if expression of two neural plasticity and neurotransmission-related genes (npas4a and gabbr1a) were associated with the contextual fear conditioning differences between proactive and reactive stress coping styles. Reactive zebrafish developed a stronger conditioned fear response and showed significantly higher npas4a expression in the medial and lateral zones of the dorsal telencephalon (Dm, Dl), and the supracommissural nucleus of the ventral telencephalon (Vs). Our findings suggest that the expression of activity-dependent genes like npas4a may be differentially expressed across several interconnected forebrain regions in response to fearful stimuli and promote biases in fear learning among different stress coping styles.
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Affiliation(s)
- Matthew R Baker
- Department of Biology, University of Nebraska at Omaha, Omaha, USA
| | - Ryan Y Wong
- Department of Biology, University of Nebraska at Omaha, Omaha, USA.
- Department of Psychology, University of Nebraska at Omaha, 6001 Dodge St, Omaha, NE, 68182, USA.
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4
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DeAngelis RS, Hofmann HA. Neural and molecular mechanisms underlying female mate choice decisions in vertebrates. ACTA ACUST UNITED AC 2020; 223:223/17/jeb207324. [PMID: 32895328 DOI: 10.1242/jeb.207324] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Female mate choice is a dynamic process that allows individuals to selectively mate with those of the opposite sex that display a preferred set of traits. Because in many species males compete with each other for fertilization opportunities, female mate choice can be a powerful agent of sexual selection, often resulting in highly conspicuous traits in males. Although the evolutionary causes and consequences of the ornamentation and behaviors displayed by males to attract mates have been well studied, embarrassingly little is known about the proximate neural mechanisms through which female choice occurs. In vertebrates, female mate choice is inherently a social behavior, and although much remains to be discovered about this process, recent evidence suggests the neural substrates and circuits underlying other fundamental social behaviors (such as pair bonding, aggression and parental care) are likely similarly recruited during mate choice. Notably, female mate choice is not static, as social and ecological environments can shape the brain and, consequently, behavior in specific ways. In this Review, we discuss how social and/or ecological influences mediate female choice and how this occurs within the brain. We then discuss our current understanding of the neural substrates underlying female mate choice, with a specific focus on those that also play a role in regulating other social behaviors. Finally, we propose several promising avenues for future research by highlighting novel model systems and new methodological approaches, which together will transform our understanding of the causes and consequences of female mate choice.
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Affiliation(s)
- Ross S DeAngelis
- Department of Integrative Biology, The University of Texas, Austin, TX 78712, USA
| | - Hans A Hofmann
- Department of Integrative Biology, The University of Texas, Austin, TX 78712, USA .,Institute for Neuroscience, The University of Texas, Austin, TX 78712, USA.,Institute for Cellular and Molecular Biology, The University of Texas, Austin, TX 78712, USA
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5
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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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Delclos PJ, Forero SA, Rosenthal GG. Divergent neurogenomic responses shape social learning of both personality and mate preference. J Exp Biol 2020; 223:jeb220707. [PMID: 32054683 DOI: 10.1242/jeb.220707] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 02/05/2020] [Indexed: 12/21/2022]
Abstract
Behavior plays a fundamental role in shaping the origin and fate of species. Mating decisions can act to promote or restrict gene flow, as can personality traits that influence dispersal and niche use. Mate choice and personality are often both learned and therefore influenced by an individual's social environment throughout development. Likewise, the molecular pathways that shape these behaviors may also be co-expressed. In this study on swordtail fish (Xiphophorus birchmanni), we show that female mating preferences for species-typical pheromone cues are entirely dependent on social experience with adult males. Experience with adults also shapes development along the shy-bold personality axis, with shy behaviors arising from exposure to risk-averse heterospecifics as a potential stress-coping strategy. In maturing females, conspecific exposure results in a strong upregulation of olfaction and vision genes compared with heterospecific exposure, as well as immune response genes previously linked to anxiety, learning and memory. Conversely, heterospecific exposure involves an increased expression of genes important for neurogenesis, synaptic plasticity and social decision-making. We identify subsets of genes within the social decision-making network and with known stress-coping roles that may be directly coupled to the olfactory processes females rely on for social communication. Based on these results, we conclude that the social environment affects the neurogenomic trajectory through which socially sensitive behaviors are learned, resulting in adult phenotypes adapted for specific social groupings.
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Affiliation(s)
- Pablo J Delclos
- Department of Biology, Texas A&M University, College Station, TX 77843, USA
- Centro de Investigaciones Científicas de las Huastecas 'Aguazarca', A. C., Calnali, Hidalgo 43233, Mexico
- Department of Biology & Biochemistry, University of Houston, Houston, TX 77004, USA
| | - Santiago A Forero
- Department of Biology, Texas A&M University, College Station, TX 77843, USA
- Department of Psychology, Cornell University, Ithaca, NY 14850, USA
| | - Gil G Rosenthal
- Department of Biology, Texas A&M University, College Station, TX 77843, USA
- Centro de Investigaciones Científicas de las Huastecas 'Aguazarca', A. C., Calnali, Hidalgo 43233, Mexico
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7
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Ramsey ME, Fry D, Cummings ME. Isotocin increases female avoidance of males in a coercive mating system: Assessing the social salience hypothesis of oxytocin in a fish species. Horm Behav 2019; 112:1-9. [PMID: 30902535 DOI: 10.1016/j.yhbeh.2019.03.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Revised: 01/14/2019] [Accepted: 03/08/2019] [Indexed: 02/05/2023]
Abstract
The nonapeptide oxytocin (and its fish homolog isotocin (IT)) is an evolutionarily-conserved hormone associated with social behaviors across most vertebrate taxa. Oxytocin has traditionally been regarded as a prosocial hormone, but studies on social cognition in mammalian models suggest it may play a more nuanced role in modulating social discrimination based on social salience and stimulus valence. Here we test IT and its role in regulating female social decision-making and anxiety behaviors in a live-bearing fish with a male coercive mating system. Gambusia affinis males engage in a forced mating strategy, with frequent harassment and attempted copulatory thrusts directed towards unwilling females. Exogenous IT produced anxiolytic responses in female G. affinis that altered exploration (time in center of tank) but not time in dark vs. light regions of the tank. Exogenous IT also produced context-specific changes in social tendency: IT-treated G. affinis females spent less time associating with males while association time with conspecific females was not altered. Further, while overall activity levels were not changed by IT treatment, the amount of social behaviors IT-treated females directed towards males, but not females, was reduced. Our results support the social salience hypothesis of oxytocin action in a teleost and suggest that oxytocin's critical input into social cognitive processing is conserved across vertebrate taxa.
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Affiliation(s)
- Mary E Ramsey
- Section of Integrative Biology, University of Texas, Austin, TX 78712, USA.
| | - Dustin Fry
- Drexel University Dornsife School of Public Health, Department of Epidemiology and Biostatistics, Philadelphia, PA 19104, USA
| | - Molly E Cummings
- Section of Integrative Biology, University of Texas, Austin, TX 78712, USA
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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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Burmeister SS. Neurobiology of Female Mate Choice in Frogs: Auditory Filtering and Valuation. Integr Comp Biol 2018; 57:857-864. [PMID: 29048536 DOI: 10.1093/icb/icx098] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Mate choice is a decision making process with profound implication for the reproductive success of both the sender and the chooser. Preferences for conspecific over heterospecific males and for some conspecifics over others are typically mediated by a female's response to signals produced by males. And although one can experimentally describe a female's preference function, there is relatively little understood about the neural mechanisms mediating these preferences. In anurans, mating preferences have often been explained in terms of sensory biases. Indeed, in the túngara frog (Physalaemus pustulosus), the auditory system appears to act as a filter for conspecific calls. However, auditory responses are not good predictors of intraspecific mating preferences in túngara frogs. Rather, neural activity in the preoptic area, which can be gated by estradiol, is a better predictor of mating preferences. A similar pattern holds in spadefoot toads (Spea bombifrons): the preoptic area, but not the auditory midbrain, integrates physiological cues in its response to mating calls in a pattern that predicts preferences. Neuroanatomically, the anuran preoptic area is poised to mediate forebrain influences on auditory response of the midbrain and it has descending projections to the medulla and spinal cord that could directly influence motor responses. Indeed, lesions of the preoptic area abolish phonotaxis. A role for the preoptic area in mating preferences is supported by studies in mammals that show the preoptic area is required for the expression of preferences. Further, activity of the preoptic area correlates with mating preference in fish. This leads to a model for the neurobiological mechanisms of mate choice, in which sensory systems filter relevant signals from irrelevant ones, but the preoptic area assigns value to the range of relevant signals.
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Affiliation(s)
- Sabrina S Burmeister
- Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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10
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Cummings ME. Sexual conflict and sexually dimorphic cognition—reviewing their relationship in poeciliid fishes. Behav Ecol Sociobiol 2018. [DOI: 10.1007/s00265-018-2483-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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11
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Cui R, Delclos PJ, Schumer M, Rosenthal GG. Early social learning triggers neurogenomic expression changes in a swordtail fish. Proc Biol Sci 2018; 284:rspb.2017.0701. [PMID: 28515207 DOI: 10.1098/rspb.2017.0701] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2017] [Accepted: 04/18/2017] [Indexed: 01/06/2023] Open
Abstract
Mate choice can play a pivotal role in the nature and extent of reproductive isolation between species. Mating preferences are often dependent on an individual's social experience with adult phenotypes throughout development. We show that olfactory preference in a swordtail fish (Xiphophorus malinche) is affected by previous experience with adult olfactory signals. We compare transcriptome-wide gene expression levels of pooled sensory and brain tissues between three treatment groups that differ by social experience: females with no adult exposure, females exposed to conspecifics and females exposed to heterospecifics. We identify potential functionally relevant genes and biological pathways differentially expressed not only between control and exposure groups, but also between groups exposed to conspecifics and heterospecifics. Based on our results, we speculate that vomeronasal receptor type 2 paralogs may detect species-specific pheromone components and thus play an important role in reproductive isolation between species.
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Affiliation(s)
- Rongfeng Cui
- Department of Biology, Texas A&M University, College Station, TX 77843, USA
| | - Pablo J Delclos
- Department of Biology, Texas A&M University, College Station, TX 77843, USA.,Centro de Investigaciones Científicas de las Huastecas 'Aguazarca', Calnali, 43240 Hidalgo, Mexico
| | - Molly Schumer
- Department of Biology, Texas A&M University, College Station, TX 77843, USA.,Centro de Investigaciones Científicas de las Huastecas 'Aguazarca', Calnali, 43240 Hidalgo, Mexico.,Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA
| | - Gil G Rosenthal
- Department of Biology, Texas A&M University, College Station, TX 77843, USA.,Centro de Investigaciones Científicas de las Huastecas 'Aguazarca', Calnali, 43240 Hidalgo, Mexico
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Stange N, Page RA, Ryan MJ, Taylor RC. Interactions between complex multisensory signal components result in unexpected mate choice responses. Anim Behav 2017. [DOI: 10.1016/j.anbehav.2016.07.005] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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13
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Cummings ME, Ramsey ME. Mate choice as social cognition: predicting female behavioral and neural plasticity as a function of alternative male reproductive tactics. Curr Opin Behav Sci 2015. [DOI: 10.1016/j.cobeha.2015.10.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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14
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Cummings ME. The mate choice mind: studying mate preference, aversion and social cognition in the female poeciliid brain. Anim Behav 2015. [DOI: 10.1016/j.anbehav.2015.02.021] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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