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Article: Proteomic Responses to Ocean Acidification in the Brain of Juvenile Coral Reef Fish

TitleProteomic Responses to Ocean Acidification in the Brain of Juvenile Coral Reef Fish
Authors
KeywordsEnvironmental proteomics
Climate change
Ocean acidification
Behavior
Tolerance
Issue Date2020
PublisherFrontiers Research Foundation. The Journal's web site is located at http://www.frontiersin.org/Marine_Science
Citation
Frontiers in Marine Science, 2020, v. 7, article no. 605 How to Cite?
AbstractElevated CO2 levels predicted to occur by the end of the century can affect the physiology and behavior of marine fishes. For one important survival mechanism, the response to chemical alarm cues from conspecifics, substantial among-individual variation in the extent of behavioral impairment when exposed to elevated CO2 has been observed in previous studies. Whole brain transcriptomic data has further emphasized the importance of parental phenotypic variation in the response of juvenile fish to elevated CO2. In this study, we investigate the genome-wide proteomic responses of this variation in the brain of 5-week old spiny damselfish, Acanthochromis polyacanthus. We compared the accumulation of proteins in the brains of juvenile A. polyacanthus from two different parental behavioral phenotypes (sensitive and tolerant) that had been experimentally exposed to short-term, long-term and inter-generational elevated CO2. Our results show differential accumulation of key proteins related to stress response and epigenetic markers with elevated CO2 exposure. Proteins related to neurological development and glucose metabolism were also differentially accumulated particularly in the long-term developmental treatment, which might be critical for juvenile development. By contrast, exposure to elevated CO2 in the parental generation resulted in only three differentially accumulated proteins in the offspring, revealing potential for inter-generational acclimation. Lastly, we found a distinct proteomic pattern in juveniles due to the behavioral sensitivity of parents to elevated CO2, even though the behavior of the juvenile fish was impaired regardless of parental phenotype. Our data shows that developing juveniles are affected in their brain protein accumulation by elevated CO2, but the effect varies with the length of exposure as well as due to variation of parental phenotypes in the population.
Persistent Identifierhttp://hdl.handle.net/10722/300649
ISSN
2023 Impact Factor: 2.8
2023 SCImago Journal Rankings: 0.907
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorTsang, HH-
dc.contributor.authorWelch, MJ-
dc.contributor.authorMunday, PL-
dc.contributor.authorRavasi, T-
dc.contributor.authorSchunter, C-
dc.date.accessioned2021-06-18T14:55:01Z-
dc.date.available2021-06-18T14:55:01Z-
dc.date.issued2020-
dc.identifier.citationFrontiers in Marine Science, 2020, v. 7, article no. 605-
dc.identifier.issn2296-7745-
dc.identifier.urihttp://hdl.handle.net/10722/300649-
dc.description.abstractElevated CO2 levels predicted to occur by the end of the century can affect the physiology and behavior of marine fishes. For one important survival mechanism, the response to chemical alarm cues from conspecifics, substantial among-individual variation in the extent of behavioral impairment when exposed to elevated CO2 has been observed in previous studies. Whole brain transcriptomic data has further emphasized the importance of parental phenotypic variation in the response of juvenile fish to elevated CO2. In this study, we investigate the genome-wide proteomic responses of this variation in the brain of 5-week old spiny damselfish, Acanthochromis polyacanthus. We compared the accumulation of proteins in the brains of juvenile A. polyacanthus from two different parental behavioral phenotypes (sensitive and tolerant) that had been experimentally exposed to short-term, long-term and inter-generational elevated CO2. Our results show differential accumulation of key proteins related to stress response and epigenetic markers with elevated CO2 exposure. Proteins related to neurological development and glucose metabolism were also differentially accumulated particularly in the long-term developmental treatment, which might be critical for juvenile development. By contrast, exposure to elevated CO2 in the parental generation resulted in only three differentially accumulated proteins in the offspring, revealing potential for inter-generational acclimation. Lastly, we found a distinct proteomic pattern in juveniles due to the behavioral sensitivity of parents to elevated CO2, even though the behavior of the juvenile fish was impaired regardless of parental phenotype. Our data shows that developing juveniles are affected in their brain protein accumulation by elevated CO2, but the effect varies with the length of exposure as well as due to variation of parental phenotypes in the population.-
dc.languageeng-
dc.publisherFrontiers Research Foundation. The Journal's web site is located at http://www.frontiersin.org/Marine_Science-
dc.relation.ispartofFrontiers in Marine Science-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectEnvironmental proteomics-
dc.subjectClimate change-
dc.subjectOcean acidification-
dc.subjectBehavior-
dc.subjectTolerance-
dc.titleProteomic Responses to Ocean Acidification in the Brain of Juvenile Coral Reef Fish-
dc.typeArticle-
dc.identifier.emailSchunter, C: schunter@hku.hk-
dc.identifier.authoritySchunter, C=rp02465-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.3389/fmars.2020.00605-
dc.identifier.scopuseid_2-s2.0-85089422616-
dc.identifier.hkuros322803-
dc.identifier.volume7-
dc.identifier.spagearticle no. 605-
dc.identifier.epagearticle no. 605-
dc.identifier.isiWOS:000556180200001-
dc.publisher.placeSwitzerland-

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