Species-Specific Responses Of Juvenile Rockfish To Elevated Pco2: From Behavior To Genomics

Hamilton, Scott L.; Logan, Cheryl A.; Fennie, Hamilton W.; Sogard, Susan M.; Barry, James P.; Makukhov, April D.; Tobosa, Lauren R.; Boyer, Kirsten; Lovera, Christopher F.; Bernardi, Giacomo

doi:10.1371/journal.pone.0169670

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Species-Specific Responses Of Juvenile Rockfish To Elevated Pco2: From Behavior To Genomics

2017
By Hamilton, Scott L. ; Logan, Cheryl A. ; Fennie, Hamilton W. ; ...
Source: PLOS ONE

[PDF-2.01 MB]

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Details:

Alternative Title:

Species-Specific Responses of Juvenile Rockfish to Elevated pCO(2): From Behavior to Genomics
Journal Title:

PLOS ONE
Personal Author:

Hamilton, Scott L. ; Logan, Cheryl A. ; Fennie, Hamilton W. ; Sogard, Susan M. ; Barry, James P. ; ... More +

Hamilton, Scott L. ; Logan, Cheryl A. ; Fennie, Hamilton W. ; Sogard, Susan M. ; Barry, James P. ; Makukhov, April D. ; Tobosa, Lauren R. ; Boyer, Kirsten ; Lovera, Christopher F. ; Bernardi, Giacomo Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; SWFSC (Southwest Fisheries Science Center) ; OAR (Oceanic and Atmospheric Research) ; Sea Grant

NMFS (National Marine Fisheries Service) ; SWFSC (Southwest Fisheries Science Center) ; OAR (Oceanic and Atmospheric Research) ; Sea Grant Less -
Sea Grant Program:

CASG/CUIMR (California Sea Grant)
Description:

In the California Current ecosystem, global climate change is predicted to trigger large-scale changes in ocean chemistry within this century. Ocean acidification which occurs when increased levels of atmospheric CO2 dissolve into the ocean is one of the biggest potential threats to marine life. In a coastal upwelling system, we compared the effects of chronic exposure to low pH (elevated pCO(2)) at four treatment levels (i.e., pCO(2) = ambient [500], moderate [750], high [1900], and extreme [2800 mu atm]) on behavior, physiology, and patterns of gene expression in white muscle tissue of juvenile rockfish (genus Sebastes), integrating responses from the transcriptome to the whole organism level. Experiments were conducted simultaneously on two closely related species that both inhabit kelp forests, yet differ in early life history traits, to compare qhigh-CO2 tolerance among species. Our findings indicate that these congeners express different sensitivities to elevated CO2 levels. Copper rockfish (S. caurinus) exhibited changes in behavioral lateralization, reduced critical swimming speed, depressed aerobic scope, changes in metabolic enzyme activity, and increases in the expression of transcription factors and regulatory genes at high pCO(2) exposure. Blue rockfish (S. mystinus), in contrast, showed no significant changes in behavior, swimming physiology, or aerobic capacity, but did exhibit significant changes in the expression of muscle structural genes as a function of pCO(2), indicating acclimatization potential. The capacity of long-lived, late to mature, commercially important fish to acclimatize and adapt to changing ocean chemistry over the next 50-100 years is likely dependent on species-specific physiological tolerances.
Keywords:

[+]

Acclimatization California Current Climatic Changes Gene Expression Impact Nucleotide Sequence Ocean Acidification Science System Analysis Technology Tropical Fish
Source:

PLOS ONE
DOI:

https://doi.org/10.1371/journal.pone.0169670
Pubmed Central ID:

PMC5215853
Document Type:

Journal Article
Funding:

Grant no. NA10OAR4170060 ; Grant no. R/CC-04 ; Grant no. R/CC-02

Grant no. NA10OAR4170060 ; Grant no. R/CC-04 ; Grant no. R/CC-02 Less -
Place as Subject:

California
Rights Information:

CC BY
Compliance:

PMC
Main Document Checksum:

[+]

urn:sha256:c0e3c97f22638c0c3d8d527bbd250bcb6dae85c939f94176f5718d5a7063254b
Download URL:

https://repository.library.noaa.gov/view/noaa/24605/noaa_24605_DS1.pdf
File Type:

	Data set from NCEI (Accession: SAMN03757544)	htm
	Data set from NCEI (Accession: SRS951361)	htm

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