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Comparative Transcriptome Analysis of Organ-Specific Adaptive Responses to Hypoxia Provides Insights to Human Diseases. Genes (Basel) 2022; 13:genes13061096. [PMID: 35741857 PMCID: PMC9222487 DOI: 10.3390/genes13061096] [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] [Received: 05/18/2022] [Revised: 06/15/2022] [Accepted: 06/17/2022] [Indexed: 02/01/2023] Open
Abstract
The common carp is a hypoxia-tolerant fish, and the understanding of its ability to live in low-oxygen environments has been applied to human health issues such as cancer and neuron degeneration. Here, we investigated differential gene expression changes during hypoxia in five common carp organs including the brain, the gill, the head kidney, the liver, and the intestine. Based on RNA sequencing, gene expression changes under hypoxic conditions were detected in over 1800 genes in common carp. The analysis of these genes further revealed that all five organs had high expression-specific properties. According to the results of the GO and KEGG, the pathways involved in the adaptation to hypoxia provided information on responses specific to each organ in low oxygen, such as glucose metabolism and energy usage, cholesterol synthesis, cell cycle, circadian rhythm, and dopamine activation. DisGeNET analysis showed that some human diseases such as cancer, diabetes, epilepsy, metabolism diseases, and social ability disorders were related to hypoxia-regulated genes. Our results suggested that common carp undergo various gene regulations in different organs under hypoxic conditions, and integrative bioinformatics may provide some potential targets for advancing disease research.
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Comparative transcriptome and methylome analysis of the hindbrain in olive flounder (Paralichthys olivaceus) considering individual behavior-type and oxygen metabolism. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2021; 38:100799. [PMID: 33582456 DOI: 10.1016/j.cbd.2021.100799] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 01/25/2021] [Accepted: 01/30/2021] [Indexed: 02/03/2023]
Abstract
In previous studies we employed multiple behavior assays, including propensity to feed, simulated trawl capture and escape response, to prove the presence of bold and shy personality (BP,SP) in olive flounder (Paralichthys olivaceus). However, the molecular mechanism of the different personality has not been elucidated. In this study, firstly, we found that the SP flounder had lower red blood cell count (RBC) and haemoglobin concentration (HBG) than BP flounder. Secondly, the transcriptomic profiles of the hindbrain in flounder with distinct personality were compared. A total of 144 differently expressed genes (DEGs) were identified, including 70 up-regulated and 74 down-regulated genes in SP flounder compared with BP flounder. Genes involved in hypoxia stress were detected in SP flounder, accompanied with down-regulation of ribosomal RNA synthesis. In addition, genes related with calcium signaling pathway, including endothelin, b-Fos, c-Fos and c-Jun were up-regulated in SP flounder. Furthermore, personality-related genes including UI, CCK, c-Fos showed significantly higher level in SP flounder than in BP flounder. GO enrichment analysis indicated that the GO categories "the tight junction pathway" and "lipid transport or localization pathway" were enriched in SP flounder, suggesting that the central nervous system homeostasis would be compromised. Thirdly, using a simple and scalable DNA methylation profiling method (MethylRAD), which allows for methylation analysis for DEGs in RNA-seq, we found that only part of gene expression was negatively associated with promoter methylation. Altogether, our study will not only lay a foundation for further studies on animal personality but also facilitate the selective breeding of olive flounder in aquaculture.
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Ferrari S, Rey S, Høglund E, Øverli Ø, Chatain B, MacKenzie S, Bégout ML. Physiological responses during acute stress recovery depend on stress coping style in European sea bass, Dicentrarchus labrax. Physiol Behav 2020; 216:112801. [PMID: 31931036 DOI: 10.1016/j.physbeh.2020.112801] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Revised: 12/12/2019] [Accepted: 01/07/2020] [Indexed: 02/08/2023]
Abstract
Individual stress coping style (reactive, intermediate and proactive) was determined in 3 groups of 120 pit tagged European seabass using the hypoxia avoidance test. The same three groups (no change in social composition) were then reared according to the standards recommended for this species. Then, 127 days later, individuals initially characterized as reactive, intermediate or proactive were submitted to an acute confinement stress for 30 min. Blood samples were taken to measure plasma cortisol levels 30 min (Stress30) or 150 min (Stress150) after the end of the confinement stress. Individuals were then sacrificed to sample the telencephalon in order to measure the main monoamines and their catabolites (at Stress30 only). Individuals from Stress150 were sampled for whole brain for a transcriptomic analysis. The main results showed that reactive individuals had a lower body mass than intermediate individuals which did not differ from proactive individuals. The physiological cortisol response did not differ between coping style at Stress30 but at Stress150 when intermediate and proactive individuals had recovered pre stress levels, reactive individuals showed a significant higher level illustrating a modulation of stress recovery by coping style. Serotonin turnover ratio was higher in proactive and reactive individuals compared to intermediate individuals and a significant positive correlation was observed with cortisol levels whatever the coping style. Further, the confinement stress led to a general increase in the serotonin turnover comparable between coping styles. Stress150 had a significant effect on target mRNA copy number (Gapdh mRNA copy number decreased while ifrd1 mRNA copy number increased) and such changes tended to depend upon coping style.
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Affiliation(s)
- Sébastien Ferrari
- Ifremer, Fisheries Research Laboratory, L'Houmeau 17137, France; MARBEC, Ifremer, Université de Montpellier, CNRS, IRD, Palavas-les-flots, France
| | - Sonia Rey
- Institute of Aquaculture, University of Stirling, Stirling FK9 4LA, UK
| | - Erik Høglund
- Norwegian Institute for Water Research (NIVA), Oslo N-0349, Norway
| | - Øyvind Øverli
- Department of Food Safety and Infection Biology, Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Oslo N-0033, Norway
| | - Béatrice Chatain
- MARBEC, Ifremer, Université de Montpellier, CNRS, IRD, Palavas-les-flots, France
| | - Simon MacKenzie
- Institute of Aquaculture, University of Stirling, Stirling FK9 4LA, UK
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Johansen IB, Höglund E, Øverli Ø. Individual Variations and Coping Style. Anim Welf 2020. [DOI: 10.1007/978-3-030-41675-1_12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Fatsini E, Rey S, Ibarra-Zatarain Z, Boltaña S, Mackenzie S, Duncan NJ. Linking stress coping styles with brain mRNA abundance of selected transcripts for Senegalese sole (Solea senegalensis) juveniles. Physiol Behav 2020; 213:112724. [PMID: 31682888 DOI: 10.1016/j.physbeh.2019.112724] [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: 05/27/2019] [Revised: 10/17/2019] [Accepted: 10/25/2019] [Indexed: 11/24/2022]
Abstract
In fish, proactive and reactive individual stress copying styles (SCS) have been used to resolve variation in molecular expression data. Stress coping styles have been previously described in several stages of Solea senegalensis by validating for the species the use of standard behavioural screening tests. The present study aimed to link behavioural SCS tests with brain transcript abundance in early Senegalese sole juveniles in order to observe the natural variation in a molecular pathway in this species. A total of 50 juveniles were subjected to three individual behavioural (Restraining, New environment and Confinement) and one group (Risk-taking) screening tests. The fish were classified in SCS categories by applying a hierarchical cluster to the variable "Total activity" (the total activity time that the fish was moving in each individual test). Three categories were defined, proactive, intermediate and reactive sole. Six transcripts were chosen and tested, one related to basic metabolism (gapdh-2), three to feeding behaviour (per1, igf-Ia, pparß) and two to the stress response (crh-BP and hsp90aa) in 30 juveniles (10 individuals per SCS category) using rt-qPCR to observe differences in the abundance of those transcripts among SCS. Four transcripts were differentially expressed (DETs) among them. The transcript gapdh-2 showed up-regulation for proactive and intermediate SCS sole while reactive individuals showed down-regulation. Target mRNAs per1, igf-Ia and pparß, showed different levels of up-regulation for proactive and reactive fish while intermediates were highly down-regulated. Surprisingly no differences in stress related transcripts were observed. Correlations were found between variation in coping styles and variation in the abundance of mRNAs involved in important biological functions in Senegalese sole. These results are the first evidence of the relationship between the behavioural individual variation and the fluctuation in brain transcripts abundance in Senegalese sole.
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Affiliation(s)
- Elvira Fatsini
- IRTA, Ctra. Poble Nou, km. 5.5, 43540 Sant Carles de la Ràpita, Tarragona Spain; Centre of Marine Sciences (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro Portugal.
| | - Sonia Rey
- Institute of Aquaculture, University of Stirling, FK9 4LU Stirling Scotland UK
| | - Zohar Ibarra-Zatarain
- Centro Nayarita de Innovación y Transferencia Tecnológica (CENIT(2)), 63173 Tepic Mexico
| | | | - Simon Mackenzie
- Institute of Aquaculture, University of Stirling, FK9 4LU Stirling Scotland UK
| | - Neil J Duncan
- IRTA, Ctra. Poble Nou, km. 5.5, 43540 Sant Carles de la Ràpita, Tarragona Spain
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Balasch JC, Vargas R, Brandts I, Tvarijonaviciute A, Reyes-López F, Tort L, Teles M. Divergent personalities influence the myogenic regulatory genes myostatin, myogenin and ghr2 transcript responses to Vibrio anguillarum vaccination in fish fingerlings (Sparus aurata). Physiol Behav 2019; 212:112697. [PMID: 31622611 DOI: 10.1016/j.physbeh.2019.112697] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 09/22/2019] [Accepted: 09/28/2019] [Indexed: 11/16/2022]
Abstract
Myogenic regulators of muscle development, metabolism and growth differ between fish species in a context-specific manner. Commonly, the analysis of environmental influences on the expression of muscle-related gene regulators in teleosts is based on differences in swimming performance, feeding behaviour and stress-resistance, but the evaluation of behavioural phenotyping of immune and stress-related responsiveness in skeletal muscle is still scarce. Here we challenge proactive and reactive fingerlings of gilthead sea bream (Sparus aurata), one of the most commonly cultured species in the Mediterranean area, with highly pathogenic O1, O2α and O2β serotypes of Vibrio anguillarum, a widespread opportunistic pathogen of marine animals, to analyse skeletal muscle responses to bath vaccination. Transcripts related to inflammation (interleukin 1β, il1β; tumour necrosis factor-α, tnfα; and immunoglobulin M, igm), and muscle metabolism and growth (lipoprotein, lpl; myostatin, mstn-1; myogenin; and growth hormone receptors type I and II, ghr1 and ghr2, respectively) were analysed. Biochemical indicators of muscle metabolism and function (creatine kinase, CK, aspartate aminotransferase, AST; esterase activity, EA; total antioxidant status, TAC and glucose) were also determined. Our results indicate that proactive, but not reactive, fish respond to Vibrio vaccination by increasing the expression levels of mstn-1, myogenin and ghr2 transcripts at short-/medium- term (1 to 3 days' post vaccination). No effect of vaccination was observed in immune indicators or biochemical parameters in either phenotypes, except for elevated levels of EA in reactive fish one-week post vaccination. This suggests that behavioural divergence should be taken into account to evaluate the crosstalk between immune, metabolic and growth processes in muscle of immune-challenged fish.
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Affiliation(s)
- J C Balasch
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - R Vargas
- Departamento de Zootecnia, Facultad de Ciencias Agropecuarias, Sistema Nacional de Investigación (SNI) SENACYT, Universidad de Panamá, Chiriquí, Panamá
| | - I Brandts
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - A Tvarijonaviciute
- Interdisciplinary Laboratory of Clinical Analysis INTERLAB-UMU, Regional Campus of International Excellence Mare Nostrum, University of Murcia, Espinardo, Murcia 30100, Spain
| | - F Reyes-López
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - L Tort
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - M Teles
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain.
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Champneys T, Castaldo G, Consuegra S, Garcia de Leaniz C. Density-dependent changes in neophobia and stress-coping styles in the world's oldest farmed fish. ROYAL SOCIETY OPEN SCIENCE 2018; 5:181473. [PMID: 30662751 PMCID: PMC6304122 DOI: 10.1098/rsos.181473] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Accepted: 11/09/2018] [Indexed: 05/02/2023]
Abstract
Farmed fish are typically reared at densities much higher than those observed in the wild, but to what extent crowding results in abnormal behaviours that can impact welfare and stress coping styles is subject to debate. Neophobia (i.e. fear of the 'new') is thought to be adaptive under natural conditions by limiting risks, but it is potentially maladapted in captivity, where there are no predators or novel foods. We reared juvenile Nile tilapia (Oreochromis niloticus) for six weeks at either high (50 g l-1) or low density (14 g l-1), assessed the extent of skin and eye darkening (two proxies of chronic stress), and exposed them to a novel object in an open test arena, with and without cover, to assess the effects of density on neophobia and stress coping styles. Fish reared at high density were darker, more neophobic, less aggressive, less mobile and less likely to take risks than those reared at low density, and these effects were exacerbated when no cover was available. Thus, the reactive coping style shown by fish at high density was very different from the proactive coping style shown by fish at low density. Our findings provide novel insights into the plasticity of fish behaviour and the effects of aquaculture intensification on one of the world's oldest farmed and most invasive fish, and highlight the importance of considering context. Crowding could have a positive effect on the welfare of tilapia by reducing aggressive behaviour, but it can also make fish chronically stressed and more fearful, which could make them less invasive.
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Affiliation(s)
| | | | | | - C. Garcia de Leaniz
- Centre for Sustainable Aquatic Research, College of Science, Swansea University, Swansea SA2 8PP, UK
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Vargas R, Balasch JC, Brandts I, Reyes-López F, Tort L, Teles M. Variations in the immune and metabolic response of proactive and reactive Sparus aurata under stimulation with Vibrio anguillarum vaccine. Sci Rep 2018; 8:17352. [PMID: 30478379 PMCID: PMC6255872 DOI: 10.1038/s41598-018-35863-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Accepted: 11/09/2018] [Indexed: 12/17/2022] Open
Abstract
Environmental insults, such as exposure to pathogens, modulate the behavioural coping style of animals to stressors, and repeated exposure to stressful environments may lead to species-specific infection phenotypes. To analyse the influence of stress behavioural phenotypes on immune and metabolic performance, gilthead sea bream (Sparus aurata L.) were first screened for proactive and reactive coping styles. Once characterized, both behavioural phenotypes fish groups were bath vaccinated with bacterin from Vibrio anguillarum, an opportunistic widespread pathogen of fish. Gills and liver were sampled at 0 (control group), 1, 3 and 7 days post-vaccination. Immune-, oxidative stress- and metabolic-related transcripts (il1β, tnfα, igm, gpx1, sod, cat, lpl, ghr1 and ghr2), metabolic endpoints (glucose, cholesterol and triglycerides), hepatic health indicators (aspartate aminotransferase, alanine transaminase and alkaline phosphatase), oxidative stress status (esterase activity, total antioxidant capacity and total oxidative status) and stress biomarkers (cortisol) were determined. Present results indicate that screening for coping styles in the gilthead sea bream segregated the two distinct phenotypes as expected: proactive and reactive. Results also indicate that under bath vaccination proactive fish show high immune response and lower metabolism, whereas reactive fish show low immune and higher metabolic responses.
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Affiliation(s)
- R Vargas
- Programa Inserción SENACYT-Universidad de Panamá, Extensión Universitaria de Aguadulce, Aguadulce, Panama
| | - J C Balasch
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193, Barcelona, Spain
| | - I Brandts
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193, Barcelona, Spain
| | - F Reyes-López
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193, Barcelona, Spain
| | - L Tort
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193, Barcelona, Spain
| | - M Teles
- CIIMAR-Interdisciplinary Centre of Marine and Environmental Research, Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos, S/N, 4450-208, Matosinhos, Portugal.
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Backström T, Winberg S. Serotonin Coordinates Responses to Social Stress-What We Can Learn from Fish. Front Neurosci 2017; 11:595. [PMID: 29163002 PMCID: PMC5669303 DOI: 10.3389/fnins.2017.00595] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Accepted: 10/10/2017] [Indexed: 12/20/2022] Open
Abstract
Social interaction is stressful and subordinate individuals are often subjected to chronic stress, which greatly affects both their behavior and physiology. In teleost fish the social position of an individual may have long-term effects, such as effects on migration, age of sexual maturation or even sex. The brain serotonergic system plays a key role in coordinating autonomic, behavioral and neuroendocrine stress responses. Social subordination results in a chronic activation of the brain serotonergic system an effect, which seems to be central in the subordinate phenotype. However, behavioral effects of short-term acute activation of the serotonergic system are less obvious. As in other vertebrates, divergent stress coping styles, often referred to as proactive and reactive, has been described in teleosts. As demonstrated by selective breeding, stress coping styles appear to be partly heritable. However, teleost fish are characterized by plasticity, stress coping style being affected by social experience. Again, the brain serotonergic system appears to play an important role. Studies comparing brain gene expression of fish of different social rank and/or displaying divergent stress coping styles have identified several novel factors that seem important for controlling aggressive behavior and stress coping, e.g., histamine and hypocretin/orexin. These may also interact with brain monoaminergic systems, including serotonin.
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Affiliation(s)
- Tobias Backström
- Institute of Integrated Natural Sciences, University Koblenz-Landau, Koblenz, Germany
| | - Svante Winberg
- Department of Neuroscience, Uppsala University, Uppsala, Sweden
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Santi S, Rougeot C, Toguyeni A, Gennotte V, Kebe I, Melard C. Temperature Preference and Sex Differentiation in African Catfish, Clarias gariepinus. JOURNAL OF EXPERIMENTAL ZOOLOGY PART 2017; 327:28-37. [DOI: 10.1002/jez.2066] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2016] [Revised: 02/02/2017] [Accepted: 02/05/2017] [Indexed: 11/07/2022]
Affiliation(s)
- Saïdou Santi
- Aquaculture Research and Education Center (CEFRA); University of Liège; Tihange Belgium
- Natural Resources and Environmental Sciences Research and Studies Laboratory (LERNSE); Institute of Rural Development (IDR); Polytechnic University of Bobo-Dioulasso; Bobo-Dioulasso; Burkina Faso
| | - Carole Rougeot
- Aquaculture Research and Education Center (CEFRA); University of Liège; Tihange Belgium
| | - Aboubacar Toguyeni
- Natural Resources and Environmental Sciences Research and Studies Laboratory (LERNSE); Institute of Rural Development (IDR); Polytechnic University of Bobo-Dioulasso; Bobo-Dioulasso; Burkina Faso
| | - Vincent Gennotte
- Aquaculture Research and Education Center (CEFRA); University of Liège; Tihange Belgium
| | - Ibrahima Kebe
- Aquaculture Research and Education Center (CEFRA); University of Liège; Tihange Belgium
| | - Charles Melard
- Aquaculture Research and Education Center (CEFRA); University of Liège; Tihange Belgium
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Øverli Ø, Sørensen C. On the Role of Neurogenesis and Neural Plasticity in the Evolution of Animal Personalities and Stress Coping Styles. BRAIN, BEHAVIOR AND EVOLUTION 2016; 87:167-174. [DOI: 10.1159/000447085] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Individual variation in how animals react to stress and environmental change has become a central topic in a wide range of biological disciplines, from evolutionary ecology to biomedicine. Such variation manifests phenotypically as correlated trait-clusters (referred to as coping styles, behavioral syndromes, shyness-boldness, or personality traits). Thresholds for switching from active coping (fight-flight) to inhibition and passive behavior when exposed to stress depend on experience and genetic factors. Comparative research has revealed a range of neuroendocrine-behavioral associations which are conserved throughout the vertebrate subphylum, including factors affecting perception, learning, and memory of stimuli and events. Here we review conserved aspects of the contribution of neurogenesis and other aspects of neural plasticity to stress coping. In teleost fish, brain cell proliferation and neurogenesis have received recent attention. This work reveals that brain cell proliferation and neurogenesis are associated with heritable variation in stress coping style, and they are also differentially affected by short- and long-term stress in a biphasic manner. Routine-dependent and inflexible behavior in proactive individuals is associated with limited neural plasticity. These evolutionarily conserved relationships hold the potential to illuminate the biological background for stress-related neurobiological disorders.
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