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Banousse G, Normandeau E, Semeniuk C, Bernatchez L, Audet C. Parental thermal environment controls the offspring phenotype in Brook charr (Salvelinus fontinalis): insights from a transcriptomic study. G3 (BETHESDA, MD.) 2024; 14:jkae051. [PMID: 38478598 PMCID: PMC11075542 DOI: 10.1093/g3journal/jkae051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 03/01/2024] [Indexed: 05/08/2024]
Abstract
Brook charr is a cold-water species which is highly sensitive to increased water temperatures, such as those associated with climate change. Environmental variation can potentially induce phenotypic changes that are inherited across generations, for instance, via epigenetic mechanisms. Here, we tested whether parental thermal regimes (intergenerational plasticity) and offspring-rearing temperatures (within-generational plasticity) modify the brain transcriptome of Brook charr progeny (fry stage). Parents were exposed to either cold or warm temperatures during final gonad maturation and their progeny were reared at 5 or 8 °C during the first stages of development. Illumina Novaseq6000 was used to sequence the brain transcriptome at the yolk sac resorption stage. The number of differentially expressed genes was very low when comparing fry reared at different temperatures (79 differentially expressed genes). In contrast, 9,050 differentially expressed genes were significantly differentially expressed between fry issued from parents exposed to either cold or warm temperatures. There was a significant downregulation of processes related to neural and synaptic activity in fry originating from the warm parental group vs fry from the cold parental one. We also observed significant upregulation of DNA methylation genes and of the most salient processes associated with compensation to warming, such as metabolism, cellular response to stress, and adaptive immunity.
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Affiliation(s)
- Ghizlane Banousse
- Institut des sciences de la mer de Rimouski (ISMER), Université du Québec à Rimouski (UQAR), Rimouski, QC, Canada G5L 2Z9
| | - Eric Normandeau
- Plateforme de bio-informatique de l’IBIS (Institut de Biologie Intégrative et des Systèmes), Université Laval, Québec, QC, Canada G1V 0A6
| | - Christina Semeniuk
- Great Lakes Institute for Environmental Research (GLIER), University of Windsor, Windsor, Ont, Canada N9C 1A2
| | - Louis Bernatchez
- Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Québec, QC, G1V 0A6, Canada
| | - Céline Audet
- Institut des sciences de la mer de Rimouski (ISMER), Université du Québec à Rimouski (UQAR), Rimouski, QC, Canada G5L 2Z9
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2
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Lucon-Xiccato T, De Russi G, Cannicci S, Maggi E, Bertolucci C. Embryonic exposure to artificial light at night impairs learning abilities and their covariance with behavioural traits in teleost fish. Biol Lett 2023; 19:20230436. [PMID: 37990566 PMCID: PMC10663786 DOI: 10.1098/rsbl.2023.0436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 10/30/2023] [Indexed: 11/23/2023] Open
Abstract
The natural light cycle has profound effects on animals' cognitive systems. Its alteration owing to human activities, such as artificial light at night (ALAN), affects the biodiversity of mammalian and avian species by impairing their cognitive functions. The impact of ALAN on cognition, however, has not been investigated in aquatic species, in spite of the common occurrence of this pollution along water bodies. We exposed eggs of a teleost fish (the zebrafish Danio rerio) to ALAN and, upon hatching, we measured larvae' cognitive abilities with a habituation learning paradigm. Both control and ALAN-exposed larvae showed habituation learning, but the latter learned significantly slower, suggesting that under ALAN conditions, fish require many more events to acquire ecologically relevant information. We also found that individuals' learning performance significantly covaried with two behavioural traits in the control zebrafish, but ALAN disrupted one of these relationships. Additionally, ALAN resulted in an average increase in larval activity. Our results showed that both fish's cognitive abilities and related individual differences are negatively impacted by light pollution, even after a short exposure in the embryonic stage.
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Affiliation(s)
- Tyrone Lucon-Xiccato
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy
| | - Gaia De Russi
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy
| | - Stefano Cannicci
- Department of Biology, University of Florence, Sesto Fiorentino, Italy
| | - Elena Maggi
- Department of Biology, CoNISMa, University of Pisa, Pisa, Italy
| | - Cristiano Bertolucci
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy
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3
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Silveira MM, Donelson JM, McCormick MI, Araujo-Silva H, Luchiari AC. Impact of ocean warming on a coral reef fish learning and memory. PeerJ 2023; 11:e15729. [PMID: 37576501 PMCID: PMC10416774 DOI: 10.7717/peerj.15729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 06/18/2023] [Indexed: 08/15/2023] Open
Abstract
Tropical ectotherms are highly sensitive to environmental warming, especially coral reef fishes, which are negatively impacted by an increase of a few degrees in ocean temperature. However, much of our understanding on the thermal sensitivity of reef fish is focused on a few traits (e.g., metabolism, reproduction) and we currently lack knowledge on warming effects on cognition, which may endanger decision-making and survival. Here, we investigated the effects of warming on learning and memory in a damselfish species, Acanthochromis polyacanthus. Fish were held at 28-28.5 °C (control group), 30-30.5 °C (moderate warming group) or 31.5-32 °C (high warming group) for 2 weeks, and then trained to associate a blue tag (cue) to the presence of a conspecific (reward). Following 20 training trials (5 days), fish were tested for associative learning (on the following day) and memory storage (after a 5-days interval). The control group A. polyacanthus showed learning of the task and memory retention after five days, but increasing water temperature impaired learning and memory. A thorough understanding of the effects of heat stress, cognition, and fitness is urgently required because cognition may be a key factor determining animals' performance in the predicted scenario of climate changes. Knowing how different species respond to warming can lead to better predictions of future community dynamics, and because it is species specific, it could pinpoint vulnerable/resilience species.
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Affiliation(s)
- Mayara M. Silveira
- Department of Physiology and Behavior, Universidade Federal do Rio Grande do Norte, Natal, RN, Brazil
| | - Jennifer M. Donelson
- ARC Centre of Excellence for Coral Reef Studies, James Cook University of North Queensland, Townville, Australia
| | | | - Heloysa Araujo-Silva
- Department of Physiology and Behavior, Universidade Federal do Rio Grande do Norte, Natal, RN, Brazil
| | - Ana C. Luchiari
- Department of Physiology and Behavior, Universidade Federal do Rio Grande do Norte, Natal, RN, Brazil
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4
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Magierecka A, Cooper B, Sloman KA, Metcalfe NB. Unpredictability of maternal environment shapes offspring behaviour without affecting stress-induced cortisol in an annual vertebrate. Horm Behav 2023; 154:105396. [PMID: 37399780 DOI: 10.1016/j.yhbeh.2023.105396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 05/23/2023] [Accepted: 06/19/2023] [Indexed: 07/05/2023]
Abstract
Exposure of females to stressful conditions during pregnancy or oogenesis has a profound effect on the phenotype of their offspring. For example, offspring behavioural phenotype may show altered patterns in terms of the consistency of behavioural patterns and their average level of performance. Maternal stress can also affect the development of the stress axis in offspring leading to alterations in their physiological stress response. However, the majority of evidence comes from studies utilising acute stressors or exogenous glucocorticoids, and little is known about the effect of chronic maternal stress, particularly in the context of stress lasting throughout entire reproductive lifespan. To bridge this knowledge gap, we exposed female sticklebacks to stressful and unpredictable environmental conditions throughout the breeding season. We quantified the activity, sheltering and anxiety-like behaviour of offspring from three successive clutches of these females, and calculated Intra-class Correlation Coefficients for these behaviours in siblings and half-siblings. We also exposed offspring to an acute stressor and measured their peak cortisol levels. An unpredictable maternal environment had no modifying effect on inter-clutch acute stress responsivity, but resulted in diversification of offspring behaviour, indicated by an increased between-individual variability within families. This may represent a bet-hedging strategy, whereby females produce offspring differing in behavioural phenotype, to increase the chance that some of these offspring will be better at coping with the anticipated conditions.
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Affiliation(s)
- Agnieszka Magierecka
- School of Biodiversity, One Health and Veterinary Medicine, University of Glasgow, UK.
| | - Ben Cooper
- School of Biodiversity, One Health and Veterinary Medicine, University of Glasgow, UK
| | - Katherine A Sloman
- Institute for Biomedical and Environmental Health Research, University of the West of Scotland, Lanarkshire, UK
| | - Neil B Metcalfe
- School of Biodiversity, One Health and Veterinary Medicine, University of Glasgow, UK
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Magierecka A, Aristeidou A, Papaevripidou M, Gibson JK, Sloman KA, Metcalfe NB. Timing of reproduction modifies transgenerational effects of chronic exposure to stressors in an annual vertebrate. Proc Biol Sci 2022; 289:20221462. [PMID: 36476008 PMCID: PMC9554732 DOI: 10.1098/rspb.2022.1462] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Stressful environmental conditions can shape both an individual's phenotype and that of its offspring. However, little is known about transgenerational effects of chronic (as opposed to acute) stressors, nor whether these vary across the breeding lifespan of the parent. We exposed adult female (F0 generation) three-spined sticklebacks (Gasterosteus aculeatus) to chronic environmental stressors and compared their reproductive allocation with that of non-exposed controls across early, middle and late clutches produced within the single breeding season of this annual population. There was a seasonal trend (but no treatment difference) in F0 reproductive allocation, with increases in egg mass and fry size in late clutches. We then tested for transgenerational effects in the non-exposed F1 and F2 generations. Exposure of F0 females to stressors resulted in phenotypic change in their offspring and grandoffspring that were produced late in their breeding lifespan: F1 offspring produced from the late-season clutches of stressor-exposed F0 females had higher early life survival, and subsequently produced heavier eggs and F2 fry that were larger at hatching. Changed maternal allocation due to a combination of seasonal factors and environmental stressors can thus have a transgenerational effect by influencing the reproductive allocation of daughters, especially those born late in life.
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Affiliation(s)
- Agnieszka Magierecka
- School of Biodiversity, One Health and Veterinary Medicine, University of Glasgow, Glasgow G12 8QQ, UK
| | - Antreas Aristeidou
- School of Biodiversity, One Health and Veterinary Medicine, University of Glasgow, Glasgow G12 8QQ, UK
| | - Maria Papaevripidou
- School of Biodiversity, One Health and Veterinary Medicine, University of Glasgow, Glasgow G12 8QQ, UK
| | - John K. Gibson
- School of Biodiversity, One Health and Veterinary Medicine, University of Glasgow, Glasgow G12 8QQ, UK
| | - Katherine A. Sloman
- Institute for Biomedical and Environmental Health Research, University of the West of Scotland, Lanarkshire G72 0LH, UK
| | - Neil B. Metcalfe
- School of Biodiversity, One Health and Veterinary Medicine, University of Glasgow, Glasgow G12 8QQ, UK
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Merdrignac C, Clément AE, Montfort J, Murat F, Bobe J. auts2 Features and Expression Are Highly Conserved during Evolution Despite Different Evolutionary Fates Following Whole Genome Duplication. Cells 2022; 11:2694. [PMID: 36078102 PMCID: PMC9454499 DOI: 10.3390/cells11172694] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/23/2022] [Accepted: 08/24/2022] [Indexed: 11/20/2022] Open
Abstract
The AUTS2 gene plays major roles during brain development and is associated with various neuropathologies including autism. Data in non-mammalian species are scarce, and the aim of our study was to provide a comprehensive analysis of auts2 evolution in teleost fish, which are widely used for in vivo functional analysis and biomedical purposes. Comparative genomics in 78 species showed that auts2a and auts2b originate from the teleost-specific whole genome duplication (TGD). auts2a, which is highly similar to human AUTS2, was almost systematically retained following TGD. In contrast, auts2b, which encodes for a shorter protein similar to a short human AUTS2 isoform, was lost more frequently and independently during evolution. RNA-seq analysis in 10 species revealed a highly conserved profile with predominant expression of both genes in the embryo, brain, and gonads. Based on protein length, conserved domains, and expression profiles, we speculate that the long human isoform functions were retained by auts2a, while the short isoform functions were retained by auts2a and/or auts2b, depending on the lineage/species. auts2a showed a burst in expression during medaka brain formation, where it was expressed in areas of the brain associated with neurodevelopmental disorders. Together, our data suggest a strong conservation of auts2 functions in vertebrates despite different evolutionary scenarios in teleosts.
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Affiliation(s)
| | | | | | | | - Julien Bobe
- INRAE, LPGP UR1037, Fish Physiology and Genomics, Campus de Beaulieu, F-35000 Rennes, France
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7
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Charrier M, Lumineau S, Georgelin M, Meurisse M, Palme R, Angelier F, Cornilleau F, Constantin P, Coustham V, Nicolle C, Bertin A, Darmaillacq AS, Dickel L, Guémené D, Calandreau L, Houdelier C. Prenatal maternal stress is associated with behavioural and epigenetic changes in Japanese quail. Psychoneuroendocrinology 2022; 137:105661. [PMID: 35038662 DOI: 10.1016/j.psyneuen.2022.105661] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 11/29/2021] [Accepted: 01/03/2022] [Indexed: 12/19/2022]
Abstract
Prenatal maternal stress (PMS) influences many facets of offspring's phenotype including morphology, behaviour and cognitive abilities. Recent research suggested that PMS also induced epigenetic modifications. In the present study, we analysed, in the Japanese quail, the effects of PMS on the emotional reactivity and cognitive abilities of the F1 offspring. We also investigated in the hippocampus, the paraventricular hypothalamic nucleus and subnuclei of the arcopallium/amygdala the level of two histone post-translational modifications, H3K4me2 and H3K27me3, known to be impacted by stress. We found that PMS does not affect F1 quail's learning abilities but increases their emotional reactivity. Moreover, we demonstrated that PMS induced an increased density of H3K27me3 positive cells, in the hippocampus, paraventricular hypothalamic nucleus and dorsal nucleus of the amygdala, but not variations of H3K4me2. As these brain regions are involved in the control of vertebrates' emotional responses, the effect of PMS on the epigenetic mark H3K27me3 could possibly be a mechanism involved in the behavioural effects we observed in F1 quail.
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Affiliation(s)
- Marion Charrier
- Univ Rennes, CNRS, Normandie Univ, EthoS (Éthologie animale et humaine) - UMR 6552, Rennes, France; CNRS, IFCE, INRAE, Université de Tours, PRC, 37380 Nouzilly, France; SYSAAF, Centre INRAE Val de Loire, 37380 Nouzilly, France.
| | - Sophie Lumineau
- Univ Rennes, CNRS, Normandie Univ, EthoS (Éthologie animale et humaine) - UMR 6552, Rennes, France
| | - Marion Georgelin
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380 Nouzilly, France
| | - Maryse Meurisse
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380 Nouzilly, France
| | - Rupert Palme
- Department of Biomedical Sciences, University of Veterinary Medicine, Vienna, Austria
| | - Frédéric Angelier
- Centre d'Etudes Biologiques de Chizé, CNRS-ULR, UMR 7372, 79360 Villiers en Bois, France
| | | | - Paul Constantin
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380 Nouzilly, France
| | - Vincent Coustham
- INRAE, Université de Tours, BOA, 37380 Nouzilly, France; Université de Pau et des Pays de l'Adour, E2S UPPA, INRAE, NUMEA, 64310 Saint-Pée-sur-Nivelle, France
| | - Céline Nicolle
- Univ Rennes, CNRS, Normandie Univ, EthoS (Éthologie animale et humaine) - UMR 6552, Rennes, France
| | - Aline Bertin
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380 Nouzilly, France
| | - Anne-Sophie Darmaillacq
- Normandie University, UNICAEN, University of Rennes, CNRS, EthoS (Éthologie animale et humaine) - UMR 6552, F-14000 Caen, France
| | - Ludovic Dickel
- Normandie University, UNICAEN, University of Rennes, CNRS, EthoS (Éthologie animale et humaine) - UMR 6552, F-14000 Caen, France
| | - Daniel Guémené
- SYSAAF, Centre INRAE Val de Loire, 37380 Nouzilly, France; INRAE, Université de Tours, BOA, 37380 Nouzilly, France
| | | | - Cécilia Houdelier
- Univ Rennes, CNRS, Normandie Univ, EthoS (Éthologie animale et humaine) - UMR 6552, Rennes, France
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8
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Porter E, Clow K, Sandrelli R, Gamperl A. Acute and chronic cold exposure differentially affect cardiac control, but not cardiorespiratory function, in resting Atlantic salmon (Salmo salar). Curr Res Physiol 2022; 5:158-170. [PMID: 35359619 PMCID: PMC8960890 DOI: 10.1016/j.crphys.2022.03.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 02/19/2022] [Accepted: 03/14/2022] [Indexed: 02/07/2023] Open
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9
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Feugere L, Scott VF, Rodriguez-Barucg Q, Beltran-Alvarez P, Wollenberg Valero KC. Thermal stress induces a positive phenotypic and molecular feedback loop in zebrafish embryos. J Therm Biol 2021; 102:103114. [PMID: 34863478 DOI: 10.1016/j.jtherbio.2021.103114] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 09/28/2021] [Accepted: 10/20/2021] [Indexed: 12/17/2022]
Abstract
Aquatic organisms must cope with both rising and rapidly changing temperatures. These thermal changes can affect numerous traits, from molecular to ecological scales. Biotic stressors are already known to induce the release of chemical cues which trigger behavioural responses in other individuals. In this study, we infer whether fluctuating temperature, as an abiotic stressor, may similarly induce stress-like responses in individuals not directly exposed to the stressor. To test this hypothesis, zebrafish (Danio rerio) embryos were exposed for 24 h to fluctuating thermal stress, to medium in which another embryo was thermally stressed before ("stress medium"), and to a combination of these. Growth, behaviour, expression of molecular markers, and of whole-embryo cortisol were used to characterise the thermal stress response and its propagation between embryos. Both fluctuating high temperature and stress medium significantly accelerated development, by shifting stressed embryos from segmentation to pharyngula stages, and altered embryonic activity. Importantly, we found that the expression of sulfide:quinone oxidoreductase (SQOR), the antioxidant gene SOD1, and of interleukin-1β (IL-1β) were significantly altered by stress medium. This study illustrates the existence of positive thermal stress feedback loops in zebrafish embryos where heat stress can induce stress-like responses in conspecifics, but which might operate via different molecular pathways. If similar effects also occur under less severe heat stress regimes, this mechanism may be relevant in natural settings as well.
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Affiliation(s)
- Lauric Feugere
- Department of Biological and Marine Sciences, University of Hull, Cottingham Road, Kingston Upon Hull, HU6 7RX, United Kingdom
| | - Victoria F Scott
- Department of Biological and Marine Sciences, University of Hull, Cottingham Road, Kingston Upon Hull, HU6 7RX, United Kingdom; Energy and Environment Institute, University of Hull, Cottingham Road, Kingston Upon Hull, HU6 7RX, United Kingdom
| | - Quentin Rodriguez-Barucg
- Department of Biomedical Sciences, University of Hull, Cottingham Road, Kingston Upon Hull, HU6 7RX, United Kingdom
| | - Pedro Beltran-Alvarez
- Department of Biomedical Sciences, University of Hull, Cottingham Road, Kingston Upon Hull, HU6 7RX, United Kingdom
| | - Katharina C Wollenberg Valero
- Department of Biological and Marine Sciences, University of Hull, Cottingham Road, Kingston Upon Hull, HU6 7RX, United Kingdom.
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Crotti M, Yohannes E, Winfield IJ, Lyle AA, Adams CE, Elmer KR. Rapid adaptation through genomic and epigenomic responses following translocations in an endangered salmonid. Evol Appl 2021; 14:2470-2489. [PMID: 34745338 PMCID: PMC8549615 DOI: 10.1111/eva.13267] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 06/07/2021] [Indexed: 12/13/2022] Open
Abstract
Identifying the molecular mechanisms facilitating adaptation to new environments is a key question in evolutionary biology, especially in the face of current rapid and human-induced changes. Translocations have become an important tool for species conservation, but the attendant small population sizes and new ecological pressures might affect phenotypic and genotypic variation and trajectories dramatically and in unknown ways. In Scotland, the European whitefish (Coregonus lavaretus) is native to only two lakes and vulnerable to extirpation. Six new refuge populations were established over the last 30 years as a conservation measure. In this study, we examined whether there is a predictable ecological and evolutionary response of these fishes to translocation. We found eco-morphological differences, as functional traits relating to body shape differed between source and refuge populations. Dual isotopic analyses suggested some ecological release, with the diets in refuge populations being more diverse than in source populations. Analyses of up to 9117 genome-mapped SNPs showed that refuge populations had reduced genetic diversity and elevated inbreeding and relatedness relative to source populations, though genomic differentiation was low (F ST = 0.002-0.030). We identified 14 genomic SNPs that showed shared signals of a selective response to translocations, including some located near or within genes involved in the immune system, nervous system and hepatic functions. Analysis of up to 120,897 epigenomic loci identified a component of consistent differential methylation between source and refuge populations. We found that epigenomic variation and genomic variation were associated with morphological variation, but we were not able to infer an effect of population age because the patterns were also linked with the methodology of the translocations. These results show that conservation-driven translocations affect evolutionary potential by impacting eco-morphological, genomic and epigenomic components of diversity, shedding light on acclimation and adaptation process in these contexts.
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Affiliation(s)
- Marco Crotti
- Institute of BiodiversityAnimal Health & Comparative MedicineCollege of Medical, Veterinary & Life SciencesUniversity of GlasgowGlasgowUK
| | - Elizabeth Yohannes
- Limnological InstituteUniversity of KonstanzKonstanzGermany
- Present address:
Max‐Planck Institute of Animal BehaviorAm Obstberg 1D‐78315RadolfzellGermany
- Present address:
University of KonstanzKonstanzGermany
| | - Ian J. Winfield
- Lake Ecosystems GroupUK Centre for Ecology & HydrologyLancaster Environment CentreBailrigg, LancasterUK
| | - Alex A. Lyle
- Scottish Centre for Ecology and the Natural EnvironmentUniversity of GlasgowRowardennanUK
| | - Colin E. Adams
- Institute of BiodiversityAnimal Health & Comparative MedicineCollege of Medical, Veterinary & Life SciencesUniversity of GlasgowGlasgowUK
- Scottish Centre for Ecology and the Natural EnvironmentUniversity of GlasgowRowardennanUK
| | - Kathryn R. Elmer
- Institute of BiodiversityAnimal Health & Comparative MedicineCollege of Medical, Veterinary & Life SciencesUniversity of GlasgowGlasgowUK
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11
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Le Du-Carrée J, Saliou F, Cachot J, Morin T, Danion M. Developmental effect of parental or direct chronic exposure to environmental concentration of glyphosate on the larvae of rainbow trout, Oncorhynchus mykiss. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 237:105894. [PMID: 34186419 DOI: 10.1016/j.aquatox.2021.105894] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 05/03/2021] [Accepted: 06/01/2021] [Indexed: 06/13/2023]
Abstract
The environmental safety profile of glyphosate, the most commonly used herbicide worldwide, is still a subject of debate and little is known about the generational toxicity of this active substance (AS) and the associated commercial formulations called "glyphosate-based herbicides" (GBHs). This study investigated the impact of parental and direct exposure to 1μgL-1 of glyphosate using the AS alone or one of two GBH formulations (i.e. Roundup Innovert® and Viaglif Jardin®) in the early developmental stages of rainbow trout. Three different modes of exposure on the F1 generation were studied: (1) intergenerational (i.e. fish only exposed through their parents); (2) direct (i.e. fish exposed only directly) and (3) multigenerational (i.e. fish both exposed intergenerationally and directly). The impact of chemical treatments on embryo-larval development (survival, biometry and malformations), swimming behaviour, biochemical markers of oxidative stress equilibrium (TBARS and catalase), acetylcholine esterase (AChE) and energy metabolism (citrate synthase, CS; cytochrome-c oxidase, CCO; lactate dehydrogenase, LDH; glucose-6-phosphate dehydrogenase, G6PDH) was explored. Chemical exposure did not affect the survival of F1 embryos or malformation rates. Direct exposure to the AS induced some biometric changes, such as reduction in head size (with a 10% decrease in head length), independently of co-formulants. Intergenerational exposure to the AS or the Roundup GBH increased swimming activity of the larvae, with increase of between 78 and 102% in travel speeds. Viaglif co-formulants appear to have counteracted this behavioural change. The minor changes detected in the assayed biochemical markers suggested that observed effects were not due to oxidative damage, AChE inhibition or alterations to energy metabolism. Nonetheless, multi- and intergenerational exposure to Roundup increased CS:CCO and LDH:CS ratios by 46% and 9%, respectively, with a potential modification of the aerobic-to-anaerobic energy production balance. These biochemical effects were not correlated with those observed on individual level of biological organization. Therefore, further studies on generational toxicity of glyphosate and its co-formulants are needed to identify the other mechanisms of glyphosate toxicity at the cellular level.
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Affiliation(s)
- Jessy Le Du-Carrée
- French Agency for Food, Environmental and Occupational Health and Safety, Ploufragan-Plouzané-Niort Laboratory, Fish Virology, Immunology and Ecotoxicology Unit, 29280 Plouzané, France; UBO University of Western Brittany, Brest, France.
| | - Florian Saliou
- French Agency for Food, Environmental and Occupational Health and Safety, Ploufragan-Plouzané-Niort Laboratory, Fish Virology, Immunology and Ecotoxicology Unit, 29280 Plouzané, France
| | - Jérôme Cachot
- UMR CNRS 5805 EPOC, University of Bordeaux, Avenue des Facultés, 33405 Talence Cedex, France
| | - Thierry Morin
- French Agency for Food, Environmental and Occupational Health and Safety, Ploufragan-Plouzané-Niort Laboratory, Fish Virology, Immunology and Ecotoxicology Unit, 29280 Plouzané, France
| | - Morgane Danion
- French Agency for Food, Environmental and Occupational Health and Safety, Ploufragan-Plouzané-Niort Laboratory, Fish Virology, Immunology and Ecotoxicology Unit, 29280 Plouzané, France
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12
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Babkiewicz E, Surga K, Gliwicz ZM, Maszczyk P. The effect of temperature on the spatial learning rate of zebrafish (
Danio rerio
). Ethology 2021. [DOI: 10.1111/eth.13197] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Ewa Babkiewicz
- Department of Hydrobiology at Biology and Chemistry Research Centre Faculty of Biology University of Warsaw Warsaw Poland
| | - Krzysztof Surga
- Zebrafish Core Facility International Institute of Molecular and Cell Biology in Warsaw Warsaw Poland
| | - Zbigniew Maciej Gliwicz
- Department of Hydrobiology at Biology and Chemistry Research Centre Faculty of Biology University of Warsaw Warsaw Poland
| | - Piotr Maszczyk
- Department of Hydrobiology at Biology and Chemistry Research Centre Faculty of Biology University of Warsaw Warsaw Poland
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13
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Alfonso S, Gesto M, Sadoul B. Temperature increase and its effects on fish stress physiology in the context of global warming. JOURNAL OF FISH BIOLOGY 2021; 98:1496-1508. [PMID: 33111333 DOI: 10.1111/jfb.14599] [Citation(s) in RCA: 111] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 10/14/2020] [Accepted: 10/27/2020] [Indexed: 05/07/2023]
Abstract
The capacity of fishes to cope with environmental variation is considered to be a main determinant of their fitness and is partly determined by their stress physiology. By 2100, global ocean temperature is expected to rise by 1-4°C, with potential consequences for stress physiology. Global warming is affecting animal populations worldwide through chronic temperature increases and an increase in the frequency of extreme heatwave events. As ectotherms, fishes are expected to be particularly vulnerable to global warming. Although little information is available about the effects of global warming on stress physiology in nature, multiple studies describe the consequences of temperature increases on stress physiology in controlled laboratory conditions, providing insight into what can be expected in the wild. Chronic temperature increase constitutes a physiological load that can alter the ability of fishes to cope with additional stressors, which might compromise their fitness. In addition, rapid temperature increases are known to induce acute stress responses in fishes and might be of ecological relevance in particular situations. This review summarizes knowledge about effects of temperature increases on the stress physiology of fishes and discusses these in the context of global warming.
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Affiliation(s)
- Sébastien Alfonso
- COISPA Tecnologia & Ricerca, Stazione Sperimentale per lo Studio delle Risorse del Mare, Bari, Italy
| | - Manuel Gesto
- Section for Aquaculture, DTU Aqua, Technical University of Denmark, Hirtshals, Denmark
| | - Bastien Sadoul
- MARBEC, Ifremer, IRD, UM2, CNRS, Sète, France
- ESE, Ecology and Ecosystem Health, Institut Agro, INRAE, Rennes Cedex, France
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14
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Pang W, Yi X, Li L, Liu L, Xiang W, Xiao L. Untangle the Multi-Facet Functions of Auts2 as an Entry Point to Understand Neurodevelopmental Disorders. Front Psychiatry 2021; 12:580433. [PMID: 33967843 PMCID: PMC8102784 DOI: 10.3389/fpsyt.2021.580433] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 03/22/2021] [Indexed: 12/27/2022] Open
Abstract
Neurodevelopmental disorders are psychiatric diseases that are usually first diagnosed in infancy, childhood and adolescence. Autism spectrum disorder (ASD) is a neurodevelopmental disorder, characterized by core symptoms including impaired social communication, cognitive rigidity and repetitive behavior, accompanied by a wide range of comorbidities such as intellectual disability (ID) and dysmorphisms. While the cause remains largely unknown, genetic, epigenetic, and environmental factors are believed to contribute toward the onset of the disease. Autism Susceptibility Candidate 2 (Auts2) is a gene highly associated with ID and ASD. Therefore, understanding the function of Auts2 gene can provide a unique entry point to untangle the complex neuronal phenotypes of neurodevelpmental disorders. In this review, we discuss the recent discoveries regarding the molecular and cellular functions of Auts2. Auts2 was shown to be a key-regulator of transcriptional network and a mediator of epigenetic regulation in neurodevelopment, the latter potentially providing a link for the neuronal changes of ASD upon environmental risk-factor exposure. In addition, Auts2 could synchronize the balance between excitation and inhibition through regulating the number of excitatory synapses. Cytoplasmic Auts2 could join the fine-tuning of actin dynamics during neuronal migration and neuritogenesis. Furthermore, Auts2 was expressed in developing mouse and human brain regions such as the frontal cortex, dorsal thalamus, and hippocampus, which have been implicated in the impaired cognitive and social function of ASD. Taken together, a comprehensive understanding of Auts2 functions can give deep insights into the cause of the heterogenous manifestation of neurodevelopmental disorders such as ASD.
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Affiliation(s)
- Wenbin Pang
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China
- National Health Commission (NHC) Key Laboratory of Control of Tropical Diseases, Hainan Medical University, Haikou, China
| | - Xinan Yi
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China
| | - Ling Li
- Department of Pediatric Rehabilitation, Hainan Women and Children's Medical Center, Haikou, China
| | - Liyan Liu
- Department of Pediatric Rehabilitation, Hainan Women and Children's Medical Center, Haikou, China
| | - Wei Xiang
- National Health Commission (NHC) Key Laboratory of Control of Tropical Diseases, Hainan Medical University, Haikou, China
| | - Le Xiao
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China
- Department of Pediatric Rehabilitation, Hainan Women and Children's Medical Center, Haikou, China
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15
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Rahman MM, Kundu S, Biswas P, Parvez MS, Rouf MA, Asaduzzaman S, Debnath S, Rahman MM, Asaduzzaman M. Influence of maternal weight, age, larval feeding and their interactions on the hatchery outcomes of an Indian major carp (Labeo rohita, Hamilton 1822). AQUACULTURE REPORTS 2021; 19:100633. [DOI: 10.1016/j.aqrep.2021.100633] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
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16
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Salena MG, Turko AJ, Singh A, Pathak A, Hughes E, Brown C, Balshine S. Understanding fish cognition: a review and appraisal of current practices. Anim Cogn 2021; 24:395-406. [PMID: 33595750 DOI: 10.1007/s10071-021-01488-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 12/24/2020] [Accepted: 02/06/2021] [Indexed: 02/04/2023]
Abstract
With over 30,000 recognized species, fishes exhibit an extraordinary variety of morphological, behavioural, and life-history traits. The field of fish cognition has grown markedly with numerous studies on fish spatial navigation, numeracy, learning, decision-making, and even theory of mind. However, most cognitive research on fishes takes place in a highly controlled laboratory environment and it can therefore be difficult to determine whether findings generalize to the ecology of wild fishes. Here, we summarize four prominent research areas in fish cognition, highlighting some of the recent advances and key findings. Next, we survey the literature, targeting these four areas, and quantify the nearly ubiquitous use of captive-bred individuals and a heavy reliance on lab-based research. We then discuss common practices that occur prior to experimentation and within experiments that could hinder our ability to make more general conclusions about fish cognition, and suggest possible solutions. By complementing ecologically relevant laboratory-based studies with in situ cognitive tests, we will gain further inroads toward unraveling how fishes learn and make decisions about food, mates, and territories.
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Affiliation(s)
- Matthew G Salena
- Department of Psychology, Neuroscience and Behaviour, McMaster University, Hamilton, Ontario, Canada.
| | - Andy J Turko
- Department of Psychology, Neuroscience and Behaviour, McMaster University, Hamilton, Ontario, Canada.,Department of Biology, McMaster University, Hamilton, Ontario, Canada.,Great Lakes Institute for Environmental Research, University of Windsor, Windsor, Ontario, Canada
| | - Angad Singh
- Department of Health Sciences, McMaster University, Hamilton, Ontario, Canada
| | - Avani Pathak
- Department of Psychology, Neuroscience and Behaviour, McMaster University, Hamilton, Ontario, Canada.,Department of Biology, McMaster University, Hamilton, Ontario, Canada
| | - Emily Hughes
- Department of Biology, McMaster University, Hamilton, Ontario, Canada
| | - Culum Brown
- Department of Biological Sciences, Macquarie University, Sydney, Australia
| | - Sigal Balshine
- Department of Psychology, Neuroscience and Behaviour, McMaster University, Hamilton, Ontario, Canada
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17
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Rainbow trout discriminate 2-D photographs of conspecifics from distracting stimuli using an innovative operant conditioning device. Learn Behav 2021; 49:292-306. [PMID: 33409895 DOI: 10.3758/s13420-020-00453-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/23/2020] [Indexed: 11/08/2022]
Abstract
Cognitive abilities were studied in rainbow trout, the first continental fish production in Europe. Increasing public concern for the welfare of farmed-fish species highlighted the need for better knowledge of the cognitive status of fish. We trained and tested 15 rainbow trout with an operant conditioning device composed of self-feeders positioned in front of visual stimuli displayed on a screen. The device was coupled with a two-alternative forced-choice (2-AFC) paradigm to test whether rainbow trout can discriminate 2-D photographs of conspecifics (S+) from different visual stimuli (S-). The S- were applied in four stages, the last three stages representing increasing discrimination difficulty: (1) blue shapes; (2) black shape (star); (3) photograph of an object (among a pool of 60); (4) photograph of another fish species (among a pool of 60). Nine fish (out of 15) correctly managed to activate the conditioning device after 30-150 trials. The rainbow trout were able to discriminate images of conspecifics from an abstract shape (five individuals out of five) or objects (four out of five) but not from other fish species. Their ability to learn the category "fish shape" rather than distinguishing between conspecifics and heterospecifics is discussed. The successful visual discrimination task using this complex operant conditioning device is particularly remarkable and novel for this farmed-fish species, and could be exploited to develop cognitive enrichments in future farming systems. This device can also be added to the existing repertoire of testing devices suitable for investigating cognitive abilities in fish.
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18
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Warriner TR, Semeniuk CAD, Pitcher TE, Heath DD, Love OP. Mimicking Transgenerational Signals of Future Stress: Thermal Tolerance of Juvenile Chinook Salmon Is More Sensitive to Elevated Rearing Temperature Than Exogenously Increased Egg Cortisol. Front Ecol Evol 2020. [DOI: 10.3389/fevo.2020.548939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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19
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Alix M, Kjesbu OS, Anderson KC. From gametogenesis to spawning: How climate-driven warming affects teleost reproductive biology. JOURNAL OF FISH BIOLOGY 2020; 97:607-632. [PMID: 32564350 DOI: 10.1111/jfb.14439] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 06/05/2020] [Accepted: 06/18/2020] [Indexed: 05/17/2023]
Abstract
Ambient temperature modulates reproductive processes, especially in poikilotherms such as teleosts. Consequently, global warming is expected to impact the reproductive function of fish, which has implications for wild population dynamics, fisheries and aquaculture. In this extensive review spanning tropical and cold-water environments, we examine the impact of higher-than-optimal temperatures on teleost reproductive development and physiology across reproductive stages, species, generations and sexes. In doing so, we demonstrate that warmer-than-optimal temperatures can affect every stage of reproductive development from puberty through to the act of spawning, and these responses are mediated by age at spawning and are associated with changes in physiology at multiple levels of the brain-pituitary-gonad axis. Response to temperature is often species-specific and changes with environmental history/transgenerational conditioning, and the amplitude, timing and duration of thermal exposure within a generation. Thermally driven changes to physiology, gamete development and maturation typically culminate in poor sperm and oocyte quality, and/or advancement/delay/inhibition of ovulation/spermiation and spawning. Although the field of teleost reproduction and temperature is advanced in many respects, we identify areas where research is lacking, especially for males and egg quality from "omics" perspectives. Climate-driven warming will continue to disturb teleost reproductive performance and therefore guide future research, especially in the emerging areas of transgenerational acclimation and epigenetic studies, which will help to understand and project climate change impacts on wild populations and could also have implications for aquaculture.
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Affiliation(s)
- Maud Alix
- Institute of Marine Research, Bergen, Norway
| | | | - Kelli C Anderson
- Institute for Marine and Antarctic Studies, University of Tasmania Newnham Campus, Newnham, Tasmania, Australia
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20
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Żarski D, Le Cam A, Nynca J, Klopp C, Ciesielski S, Sarosiek B, Montfort J, Król J, Fontaine P, Ciereszko A, Bobe J. Domestication modulates the expression of genes involved in neurogenesis in high-quality eggs of Sander lucioperca. Mol Reprod Dev 2020; 87:934-951. [PMID: 32864792 DOI: 10.1002/mrd.23414] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 08/11/2020] [Indexed: 12/13/2022]
Abstract
Pikeperch, Sander lucioperca, is a species of high interest to the aquaculture. The expansion of its production can only be achieved by furthering domestication level. However, the mechanisms driving the domestication process in finfishes are poorly understood. Transcriptome profiling of eggs was found to be a useful tool allowing understanding of the domestication process in teleosts. In this study, using next-generation sequencing, the first pikeperch transcriptome has been generated as well as pikeperch-specific microarray comprising 35,343 unique probes. Next, we performed transcriptome profiling of eggs obtained from wild and domesticated populations. We found 710 differentially expressed genes that were linked mostly to nervous system development. These results provide new insights into processes that are directly involved in the domestication of finfishes. It can be suggested that all the identified processes were predetermined by the maternally derived set of genes contained in the unfertilized eggs. This allows us to suggest that fish behavior, along with many other processes, can be predetermined at the cellular level and may have significant implications on the adaptation of cultured fish to the natural environment. This also allows to suggest that fish behavior should be considered as a very important pikeperch aquaculture selection trait.
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Affiliation(s)
- Daniel Żarski
- Department of Gamete and Embryo Biology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
| | - Aurelie Le Cam
- Fish Physiology and Genomics, UR1037 (LPGP), INRAE, Rennes, France
| | - Joanna Nynca
- Department of Gamete and Embryo Biology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
| | | | - Sławomir Ciesielski
- Department of Environmental Biotechnology, University of Warmia and Mazury, Olsztyn, Poland
| | - Beata Sarosiek
- Department of Gamete and Embryo Biology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
| | - Jerome Montfort
- Fish Physiology and Genomics, UR1037 (LPGP), INRAE, Rennes, France
| | - Jarosław Król
- Department of Ichthyology and Aquaculture, Faculty of Animal Bioengineering, University of Warmia and Mazury, Olsztyn, Poland
| | | | - Andrzej Ciereszko
- Department of Gamete and Embryo Biology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
| | - Julien Bobe
- Fish Physiology and Genomics, UR1037 (LPGP), INRAE, Rennes, France
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21
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Alfonso S, Peyrafort M, Cousin X, Bégout ML. Zebrafish Danio rerio shows behavioural cross-context consistency at larval and juvenile stages but no consistency between stages. JOURNAL OF FISH BIOLOGY 2020; 96:1411-1421. [PMID: 32154580 DOI: 10.1111/jfb.14310] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 02/27/2020] [Indexed: 06/10/2023]
Abstract
Coping style is defined as a set of individual physiological and behavioural characteristics that are consistent across time and context. In the zebrafish Danio rerio, as well as in many other animals, several covariations have been established among behavioural, physiological and molecular responses. Nonetheless, not many studies have addressed the consistency in behavioural responses over time starting at the larval stage. Therefore, this study aimed to improve the understanding of behavioural consistency across contexts and over time in zebrafish from the larval to juvenile stages. Two distinct experiments were conducted: a larval stage experiment (from 8 to 21 days post fertilization, dpf) and a juvenile stage experiment (from 21 to 60 dpf). On one hand, the larval experiment allows to focus on the transition between 8 and 21 dpf, marked by significant morphological changes related to the end of larval stage and initiation of metamorphosis. On the other hand, the juvenile experiment allows to properly cover the period extending from the end of larval stage to the juvenile stage (60 dpf), including metamorphosis which is itself completed around 45 dpf. Within each experiment, boldness was determined using a group risk-taking test to identify bold and shy individuals. A novel environment test was then performed at the same age to evaluate consistency across contexts. Groups of fish (either bold or shy) were bathed in an alizarin red S solution for later identification of their initially determined coping style to evaluate behavioural consistency over time. Fish were then reared under common garden conditions and challenged again with the same behavioural tests at a later age (21 and 60 dpf in the larval and juvenile experiments, respectively). Behavioural consistency was observed across contexts, with bold fish being more active and expressing higher thigmotaxis regardless of age. There was, however, little behavioural consistency over age, suggesting behavioural plasticity during development. Moreover, the use of alizarin red S to conduct this experiment provides new perspectives for the further study of the longitudinal evolution of various traits, including behaviour, over life stages in fish.
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Affiliation(s)
- Sébastien Alfonso
- Département Ressources Biologiques et Environnement, Ifremer, Laboratoire Ressources Halieutiques, L'Houmeau, France
- MARBEC, Univ. Montpellier, CNRS, Ifremer, IRD, Palavas-les-flots, France
| | - Manon Peyrafort
- Département Ressources Biologiques et Environnement, Ifremer, Laboratoire Ressources Halieutiques, L'Houmeau, France
| | - Xavier Cousin
- MARBEC, Univ. Montpellier, CNRS, Ifremer, IRD, Palavas-les-flots, France
- Université Paris-Saclay, INRAE, AgroParisTech, GABI, Jouy-en-Josas, France
| | - Marie-Laure Bégout
- Département Ressources Biologiques et Environnement, Ifremer, Laboratoire Ressources Halieutiques, L'Houmeau, France
- MARBEC, Univ. Montpellier, CNRS, Ifremer, IRD, Palavas-les-flots, France
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