Variation in the metalloenzyme activity of reef-building corals from Palau

Corals are a diverse class of animals that associate with an endosymbiont (dinoflagellates from the family Symbiodiniaceae). They vary significantly depending on species, which is reflected in physiological functions, such as enzyme activity. This study investigates whether the activities of two metalloenzymes, Carbonic Anhydrase (CA) and SuperOxide Dismutase (SOD), are modulated by symbiont identity, host identity, reef zone, and if their activity was correlated with the metal contents of the Symbiodiniaceae. Fragments of reef-building corals from six species were collected from two different reef environments in Palau with markedly different thermal histories. The symbiont genetic identity, metal contents, CA and SOD activity were measured for all samples. Metalloenzyme activity did not vary between corals from different reef locations. Instead, we found many differences in metalloenzyme activity of corals from different species. For some coral species, metal contents were correlated with metalloenzyme activity. However, more research needs to be conducted in order to fully understand the extent to which metalloenzyme activities are modulated by host-symbiont species pairings and their trace metal needs.

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Work Title Variation in the metalloenzyme activity of reef-building corals from Palau
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Open Access
Creators
  1. Shane Tripp
Keyword
  1. metalloenzyme
  2. coral
  3. Symbiodiniaceae
  4. enzyme activity
  5. carbonic anhydrase
  6. superoxide dismutase
  7. Palau
  8. ecology
  9. symbiosis
  10. coral-algal symbiosis
License In Copyright (Rights Reserved)
Work Type Research Paper
Acknowledgments
  1. Dr. Hannah Reich
  2. Dr. Todd LaJeunesse
  3. Dr. Roberto Iglesias-Prieto
Publication Date April 14, 2021
Deposited April 06, 2021

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  • Updated Acknowledgments Show Changes
    Acknowledgments
    • Dr. Hannah Reich, Dr. Todd LaJeunesse, Dr. Roberto Iglesias-Prieto
  • Added Creator Shane Tripp
  • Added Tripp_Shane_SCIRES_PalauCoralMetalloenzymeActivity_Submission.pdf
  • Updated Description, Publication Date, License Show Changes
    Description
    • Many threats face coral reefs, but one of the most concerning is increasing temperature due to climate change. Corals and their endosymbionts (dinoflagellates from the family Symbiodiniaceae) can respond to changing environmental conditions in different ways, including the modulation of enzyme activity. This study investigates how the activities of two enzymes, carbonic anhydrase (CA) and superoxide dismutase (SOD), are modulated by symbiont identity, host identity, reef zone, and whether metalloenzyme activity was correlated with the metal contents of the Symbiodiniaceae. Fragments of reef-building corals from six species were collected from two different reef environments in Palau with markedly different thermal histories. The symbiont genetic identity, metal contents, CA, and SOD activity were measured for all samples. Metalloenzyme activity did not vary between corals from different reef locations. Instead, we found many differences in metalloenzyme activity of corals from different species. For some coral species, metal contents were correlated with metalloenzyme activity. However, more research needs to be conducted in order to fully understand the extent to which the metalloenzyme activities are modulated by host-symbiont species pairings and their trace metal needs.
    • Corals are a diverse class of animals that associate with an endosymbiont (dinoflagellates from the family Symbiodiniaceae). They vary significantly depending on species, which is reflected in physiological functions, such as enzyme activity. This study investigates whether the activities of two metalloenzymes, Carbonic Anhydrase (CA) and SuperOxide Dismutase (SOD), are modulated by symbiont identity, host identity, reef zone, and if their activity was correlated with the metal contents of the Symbiodiniaceae. Fragments of reef-building corals from six species were collected from two different reef environments in Palau with markedly different thermal histories. The symbiont genetic identity, metal contents, CA and SOD activity were measured for all samples. Metalloenzyme activity did not vary between corals from different reef locations. Instead, we found many differences in metalloenzyme activity of corals from different species. For some coral species, metal contents were correlated with metalloenzyme activity. However, more research needs to be conducted in order to fully understand the extent to which metalloenzyme activities are modulated by host-symbiont species pairings and their trace metal needs.
    Publication Date
    • 2021-04
    • 2021-04-14
    License
    • https://rightsstatements.org/page/InC/1.0/
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  • Updated