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Guzman C, Atrigenio M, Shinzato C, et al. Warm seawater temperature promotes substrate colonization by the blue coral, . PeerJ. 2019;7:e7785doi: 10.7717/peerj.7785.
Guzman, C., Atrigenio, M., Shinzato, C., Aliño, P., & Conaco, C. (2019). Warm seawater temperature promotes substrate colonization by the blue coral, . PeerJ, 7e7785. https://doi.org/10.7717/peerj.7785
Guzman, Christine, et al. "Warm seawater temperature promotes substrate colonization by the blue coral, ." PeerJ vol. 7 (2019): e7785. doi: https://doi.org/10.7717/peerj.7785
Guzman C, Atrigenio M, Shinzato C, Aliño P, Conaco C. Warm seawater temperature promotes substrate colonization by the blue coral, . PeerJ. 2019 Sep 27;7:e7785. doi: 10.7717/peerj.7785. eCollection 2019. PMID: 31579631; PMCID: PMC6768060.
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PeerJ. 2019 Sep 27;7:e7785. doi: 10.7717/peerj.7785. eCollection 2019.

Warm seawater temperature promotes substrate colonization by the blue coral, .

PeerJ

Christine Guzman, Michael Atrigenio, Chuya Shinzato, Porfirio Aliño, Cecilia Conaco

Affiliations

  1. Marine Science Institute, College of Science, University of the Philippines Diliman, Quezon City, Philippines.
  2. Evolutionary Neurobiology Unit, Okinawa Institute of Science and Technology Graduate University, Onna, Okinawa, Japan.
  3. Department of Marine Bioscience, Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa-shi, Chiba, Japan.

PMID: 31579631 PMCID: PMC6768060 DOI: 10.7717/peerj.7785

Abstract

METHODS: In this study, we subjected

RESULTS: A horizontal growth rate of 1.13 ± 0.25 mm per week was observed for corals subjected to 28 or 31 °C. This growth rate was significantly higher compared to corals exposed at 26 °C. This new growth was characterized by the extension of whitish tissue at the edges of the colony and was enriched for a matrix metallopeptidase, a calcium and integrin binding protein, and other transcripts with unknown function. Tissues at the growth margin and the adjacent calcified encrusting region were enriched for transcripts related to proline and riboflavin metabolism, nitrogen utilization, and organic cation transport. The calcified digitate regions, on the other hand, were enriched for transcripts encoding proteins involved in cell-matrix adhesion, translation, receptor-mediated endocytosis, photosynthesis, and ion transport. Functions related to lipid biosynthesis, extracellular matrix formation, cell migration, and oxidation-reduction processes were enriched at the growth margin in corals subjected for 3 weeks to 28 or 31 °C relative to corals at 26 °C. In the digitate region of the coral, transcripts encoding proteins that protect against oxidative stress, modify cell membrane composition, and mediate intercellular signaling pathways were enriched after just 24 h of exposure to 31 °C compared to corals at 28 °C. The overall downregulation of gene expression observed after 3 weeks of sustained exposure to 31 °C is likely compensated by symbiont metabolism.

DISCUSSION: These findings reveal that the different regions of

© 2019 Guzman et al.

Keywords: Blue coral; Climate change; Heliopora coerulea; Transcriptomics

Conflict of interest statement

The authors declare that they have no competing interests.

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