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Acanthochromis polyacanthus transcriptome

James Cook University
Veilleux, H ; Donelson, J ; van Herwerden, L ; Leggat, W ; Munday, P ; Ryu, T ; Seridi, L ; Ghosheh, Y ; Berumen, M ; Ravasi, T
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://research.jcu.edu.au/data/published/2ca0194431b62362ea56480c27918bae&rft.title=Acanthochromis polyacanthus transcriptome&rft.identifier=https://research.jcu.edu.au/data/published/2ca0194431b62362ea56480c27918bae&rft.publisher=James Cook University&rft.description=Transcriptome of the tropical fish Acanthochromis polyacanthus from two populations (Heron and Palm Island regions, Great Barrier Reef) exposed to current day and predicted elevated temperatures from the National Center for Biotechnology Information (NCBI) BioProject number PRJNA255544. Submitted by King Abdullah University of Science and Technology.Abstract [Related Publication]: Some animals have the remarkable capacity to acclimate across generations to projected future climate change 1, 2, 3, 4; however, the underlying molecular processes are unknown. We sequenced and assembled de novo transcriptomes of adult tropical reef fish exposed developmentally or transgenerationally to projected future ocean temperatures and correlated the resulting expression profiles with acclimated metabolic traits from the same fish. We identified 69 contigs representing 53 key genes involved in thermal acclimation of aerobic capacity. Metabolic genes were among the most upregulated transgenerationally, suggesting shifts in energy production for maintaining performance at elevated temperatures. Furthermore, immune- and stress-responsive genes were upregulated transgenerationally, indicating a new complement of genes allowing the second generation of fish to better cope with elevated temperatures. Other differentially expressed genes were involved with tissue development and transcriptional regulation. Overall, we found a similar suite of differentially expressed genes among developmental and transgenerational treatments. Heat-shock protein genes were surprisingly unresponsive, indicating that short-term heat-stress responses may not be a good indicator of long-term acclimation capacity. Our results are the first to reveal the molecular processes that may enable marine fishes to adjust to a future warmer environment over multiple generations.The full methodology for genome sequencing and assembly is included in the Supplementary Information (PDF) file with the Related Publication. &rft.creator=Veilleux, H &rft.creator=Donelson, J &rft.creator=van Herwerden, L &rft.creator=Leggat, W &rft.creator=Munday, P &rft.creator=Ryu, T &rft.creator=Seridi, L &rft.creator=Ghosheh, Y &rft.creator=Berumen, M &rft.creator=Ravasi, T &rft.date=2014&rft.relation=http://dx.doi.org/10.1038/nclimate2724&rft.coverage=&rft.coverage=&rft_rights=&rft_subject=Acanthochromis polyacanthus&rft_subject=transcriptomes&rft_subject=RNA sequences&rft_subject=gene expression&rft_subject=ARC Centre of Excellence for Coral Reef Studies&rft_subject=Ecological Impacts of Climate Change&rft_subject=ENVIRONMENTAL SCIENCES&rft_subject=ECOLOGICAL APPLICATIONS&rft_subject=Marine and Estuarine Ecology (incl. Marine Ichthyology)&rft_subject=BIOLOGICAL SCIENCES&rft_subject=ECOLOGY&rft_subject=Climate and Climate Change not elsewhere classified&rft_subject=ENVIRONMENT&rft_subject=CLIMATE AND CLIMATE CHANGE&rft_subject=Expanding Knowledge in the Biological Sciences&rft_subject=EXPANDING KNOWLEDGE&rft_subject=EXPANDING KNOWLEDGE&rft.type=dataset&rft.language=English Access the data
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Transcriptome of the tropical fish Acanthochromis polyacanthus from two populations (Heron and Palm Island regions, Great Barrier Reef) exposed to current day and predicted elevated temperatures from the National Center for Biotechnology Information (NCBI) BioProject number PRJNA255544. Submitted by King Abdullah University of Science and Technology.

Abstract [Related Publication]: Some animals have the remarkable capacity to acclimate across generations to projected future climate change 1, 2, 3, 4; however, the underlying molecular processes are unknown. We sequenced and assembled de novo transcriptomes of adult tropical reef fish exposed developmentally or transgenerationally to projected future ocean temperatures and correlated the resulting expression profiles with acclimated metabolic traits from the same fish. We identified 69 contigs representing 53 key genes involved in thermal acclimation of aerobic capacity. Metabolic genes were among the most upregulated transgenerationally, suggesting shifts in energy production for maintaining performance at elevated temperatures. Furthermore, immune- and stress-responsive genes were upregulated transgenerationally, indicating a new complement of genes allowing the second generation of fish to better cope with elevated temperatures. Other differentially expressed genes were involved with tissue development and transcriptional regulation. Overall, we found a similar suite of differentially expressed genes among developmental and transgenerational treatments. Heat-shock protein genes were surprisingly unresponsive, indicating that short-term heat-stress responses may not be a good indicator of long-term acclimation capacity. Our results are the first to reveal the molecular processes that may enable marine fishes to adjust to a future warmer environment over multiple generations.

The full methodology for genome sequencing and assembly is included in the Supplementary Information (PDF) file with the Related Publication.

 

Created: 2014-07-18

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ARC Centre of Excellence for Coral Reef Studies | Acanthochromis polyacanthus | Biological Sciences | Climate and Climate Change | Climate and Climate Change Not Elsewhere Classified | Ecological Applications | Ecology | Environment | Environmental Sciences | Expanding Knowledge | Expanding Knowledge | Ecological Impacts of Climate Change | Expanding Knowledge in the Biological Sciences | Marine and Estuarine Ecology (Incl. Marine Ichthyology) | RNA sequences | gene expression | transcriptomes |

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  • Local : ec693e5c5b2d51d5354a0d20beacf204
  • Local : https://research.jcu.edu.au/data/published/2ca0194431b62362ea56480c27918bae
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