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5. Molecular insights into the Darwin paradox of coral reefs from the sea anemone Aiptasia

Author

Cui, Guoxin, primary, Konciute, Migle K., additional, Ling, Lorraine, additional, Esau, Luke, additional, Raina, Jean-Baptiste, additional, Han, Baoda, additional, Salazar, Octavio R., additional, Presnell, Jason S., additional, Rädecker, Nils, additional, Zhong, Huawen, additional, Menzies, Jessica, additional, Cleves, Phillip A., additional, Liew, Yi Jin, additional, Krediet, Cory J., additional, Sawiccy, Val, additional, Cziesielski, Maha J., additional, Guagliardo, Paul, additional, Bougoure, Jeremy, additional, Pernice, Mathieu, additional, Hirt, Heribert, additional, Voolstra, Christian R., additional, Weis, Virginia M., additional, Pringle, John R., additional, and Aranda, Manuel, additional

Published
2023
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7. Molecular insights into the Darwin paradox of coral reefs from the sea anemone Aiptasia

Author

Cui, Guoxin, primary, Konciute, Migle K., additional, Ling, Lorraine, additional, Esau, Luke, additional, Raina, Jean-Baptiste, additional, Han, Baoda, additional, Salazar, Octavio R., additional, Presnell, Jason S., additional, Rädecker, Nils, additional, Zhong, Huawen, additional, Menzies, Jessica, additional, Cleves, Phillip A., additional, Liew, Yi Jin, additional, Krediet, Cory J., additional, Sawiccy, Val, additional, Cziesielski, Maha J., additional, Guagliardo, Paul, additional, Bougoure, Jeremy, additional, Pernice, Mathieu, additional, Hirt, Heribert, additional, Voolstra, Christian R., additional, Weis, Virginia M., additional, Pringle, John R., additional, and Aranda, Manuel, additional

Published
2022
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9. One Ocean, One Voice: A Global Early Career Perspective on the Priorities for the UN Ocean Decade

Author

Ortuño Crespo, Guillermo, primary, Robbins, Matthew, additional, Satterthwaite, Erin, additional, Puskic, Peter, additional, Kostianaia, Evgeniia, additional, Giddens, Jonatha, additional, Brodnicke, Ole, additional, Rguez-Baron, Juan M., additional, Elsler, Laura, additional, Cziesielski, Maha J., additional, and Giron-Nava, Alfredo, additional

Published
2022
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10. Integrating environmental variability to broaden the research on coral responses to future ocean conditions

Author

Ziegler, Maren, Anton, Andrea, Klein, Shannon G., Rädecker, Nils, Geraldi, Nathan R., Schmidt-Roach, Sebastian, Saderne, Vincent, Mumby, Peter J., Cziesielski, Maha J., Martin, Cecilia, Frölicher, Thomas L., Pandolfi, John M., Suggett, David J., Aranda, Manuel, Duarte, Carlos M., Voolstra, Christian R., and Justus Liebig University Giessen

Subjects
ddc:570
Published
2021
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11. Integrating environmental variability to broaden the research on coral responses to future ocean conditions

Author

Ziegler, Maren, primary, Anton, Andrea, additional, Klein, Shannon G., additional, Rädecker, Nils, additional, Geraldi, Nathan R., additional, Schmidt‐Roach, Sebastian, additional, Saderne, Vincent, additional, Mumby, Peter J., additional, Cziesielski, Maha J., additional, Martin, Cecilia, additional, Frölicher, Thomas L., additional, Pandolfi, John M., additional, Suggett, David J., additional, Aranda, Manuel, additional, Duarte, Carlos M., additional, and Voolstra, Christian R., additional

Published
2021
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12. Projecting coral responses to intensifying marine heatwaves under ocean acidification

Author

Klein, Shannon G., primary, Geraldi, Nathan R., additional, Anton, Andrea, additional, Schmidt‐Roach, Sebastian, additional, Ziegler, Maren, additional, Cziesielski, Maha J., additional, Martin, Cecilia, additional, Rädecker, Nils, additional, Frölicher, Thomas L., additional, Mumby, Peter J., additional, Pandolfi, John M., additional, Suggett, David J., additional, Voolstra, Christian R., additional, Aranda, Manuel, additional, and Duarte, Carlos. M., additional

Published
2021
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13. Integrating environmental variability to broaden the research on coral responses to future ocean conditions

Author

King Abdullah University of Science and Technology, Swiss National Science Foundation, Swiss National Supercomputing Centre, European Commission, Ziegler, Maren, Anton, Andrea, Klein, Shannon G., Rädecker, Nils, Geraldi, Nathan R., Schmidt-Roach, Sebastian, Saderne, Vincent, Mumby, Peter J., Cziesielski, Maha J., Martin, Cecilia, King Abdullah University of Science and Technology, Swiss National Science Foundation, Swiss National Supercomputing Centre, European Commission, Ziegler, Maren, Anton, Andrea, Klein, Shannon G., Rädecker, Nils, Geraldi, Nathan R., Schmidt-Roach, Sebastian, Saderne, Vincent, Mumby, Peter J., Cziesielski, Maha J., and Martin, Cecilia

Abstract

Our understanding of the response of reef-building corals to changes in their physical environment is largely based on laboratory experiments, analysis of long-term field data, and model projections. Experimental data provide unique insights into how organisms respond to variation of environmental drivers. However, an assessment of how well experimental conditions cover the breadth of environmental conditions and variability where corals live successfully is missing. Here, we compiled and analyzed a globally distributed dataset of in-situ seasonal and diurnal variability of key environmental drivers (temperature, pCO2, and O2) critical for the growth and livelihood of reef-building corals. Using a meta-analysis approach, we compared the variability of environmental conditions assayed in coral experimental studies to current and projected conditions in their natural habitats. We found that annual temperature profiles projected for the end of the 21st century were characterized by distributional shifts in temperatures with warmer winters and longer warm periods in the summer, not just peak temperatures. Furthermore, short-term hourly fluctuations of temperature and pCO2 may regularly expose corals to conditions beyond the projected average increases for the end of the 21st century. Coral reef sites varied in the degree of coupling between temperature, pCO2, and dissolved O2, which warrants site-specific, differentiated experimental approaches depending on the local hydrography and influence of biological processes on the carbonate system and O2 availability. Our analysis highlights that a large portion of the natural environmental variability at short and long timescales is underexplored in experimental designs, which may provide a path to extend our understanding on the response of corals to global climate change.

Published
2021

15. LOOKING TO THE FUTURE

Author

Hughes, Hunter, primary, Cziesielski, Maha J., additional, Love, Connor, additional, Nowakowski, Catherine, additional, Marín, Angelique Rosa, additional, and Wilkins, Keiko W., additional

Published
2021
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16. Communicating Hope for Coral Reefs

Author

Nowakowski, Catherine, primary, Hughes, Hunter, additional, Love, Connor, additional, Marin, Angelique Rosa, additional, Wilkins, Keiko, additional, and Cziesielski, Maha J., additional

Published
2021
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17. Investing in Blue Natural Capital to Secure a Future for the Red Sea Ecosystems

Author

Cziesielski, Maha J., primary, Duarte, Carlos M., additional, Aalismail, Nojood, additional, Al-Hafedh, Yousef, additional, Anton, Andrea, additional, Baalkhuyur, Faiyah, additional, Baker, Andrew C., additional, Balke, Thorsten, additional, Baums, Iliana B., additional, Berumen, Michael, additional, Chalastani, Vasiliki I., additional, Cornwell, Brendan, additional, Daffonchio, Daniele, additional, Diele, Karen, additional, Farooq, Ehtesaam, additional, Gattuso, Jean-Pierre, additional, He, Song, additional, Lovelock, Catherine E., additional, Mcleod, Elizabeth, additional, Macreadie, Peter I., additional, Marba, Nuria, additional, Martin, Cecilia, additional, Muniz-Barreto, Marcelle, additional, Kadinijappali, Kirshnakumar P., additional, Prihartato, Perdana, additional, Rabaoui, Lotfi, additional, Saderne, Vincent, additional, Schmidt-Roach, Sebastian, additional, Suggett, David J., additional, Sweet, Michael, additional, Statton, John, additional, Teicher, Sam, additional, Trevathan-Tackett, Stacey M., additional, Joydas, Thadickal V., additional, Yahya, Razan, additional, and Aranda, Manuel, additional

Published
2021
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19. Investing in Blue Natural Capital to Secure a Future for the Red Sea Ecosystems

Author

Cziesielski, Maha J., Duarte, Carlos M., Aalismail, Nojood, Al-Hafedh, Yousef, Rodríguez Antón, Andrea, Baalkhuyur, Faiyah, Baker, Andrew C., Balke, Thorsten, Baums, Iliana B., Berumen, Michael, Chalastani, Vasiliki I., Cornwell, Brendan, Daffonchio, Daniele, Diele, Karen, Farooq, Ehtesaam, Gattuso, Jean-Pierre, He, Song, Lovelock, Catherine E., McLeod, Elizabeth, Macreadie, Peter I., Marbà, Núria, Martin, Cecilia, Muniz-Barreto, Marcelle, Kadinijappali, Kirshnakumar P., Prihartato, Perdana, Rabaoui, Lotfi, Saderne, Vincent, Schmidt-Roach, Sebastian, Suggett, David J., Sweet, Michael, Statton, John, Teicher, Sam, Trevathan-Tackett, Stacey M., Joydas, Thadickal V., Yahya, Razan, Aranda, Manuel, Cziesielski, Maha J., Duarte, Carlos M., Aalismail, Nojood, Al-Hafedh, Yousef, Rodríguez Antón, Andrea, Baalkhuyur, Faiyah, Baker, Andrew C., Balke, Thorsten, Baums, Iliana B., Berumen, Michael, Chalastani, Vasiliki I., Cornwell, Brendan, Daffonchio, Daniele, Diele, Karen, Farooq, Ehtesaam, Gattuso, Jean-Pierre, He, Song, Lovelock, Catherine E., McLeod, Elizabeth, Macreadie, Peter I., Marbà, Núria, Martin, Cecilia, Muniz-Barreto, Marcelle, Kadinijappali, Kirshnakumar P., Prihartato, Perdana, Rabaoui, Lotfi, Saderne, Vincent, Schmidt-Roach, Sebastian, Suggett, David J., Sweet, Michael, Statton, John, Teicher, Sam, Trevathan-Tackett, Stacey M., Joydas, Thadickal V., Yahya, Razan, and Aranda, Manuel

Abstract

For millennia, coastal and marine ecosystems have adapted and flourished in the Red Sea’s unique environment. Surrounded by deserts on all sides, the Red Sea is subjected to high dust inputs and receives very little freshwater input, and so harbors a high salinity. Coral reefs, seagrass meadows, and mangroves flourish in this environment and provide socio-economic and environmental benefits to the bordering coastlines and countries. Interestingly, while coral reef ecosystems are currently experiencing rapid decline on a global scale, those in the Red Sea appear to be in relatively better shape. That said, they are certainly not immune to the stressors that cause degradation, such as increasing ocean temperature, acidification and pollution. In many regions, ecosystems are already severely deteriorating and are further threatened by increasing population pressure and large coastal development projects. Degradation of these marine habitats will lead to environmental costs, as well as significant economic losses. Therefore, it will result in a missed opportunity for the bordering countries to develop a sustainable blue economy and integrate innovative nature-based solutions. Recognizing that securing the Red Sea ecosystems’ future must occur in synergy with continued social and economic growth, we developed an action plan for the conservation, restoration, and growth of marine environments of the Red Sea. We then investigated the level of resources for financial and economic investment that may incentivize these activities. This study presents a set of commercially viable financial investment strategies, ecological innovations, and sustainable development opportunities, which can, if implemented strategically, help ensure long-term economic benefits while promoting environmental conservation. We make a case for investing in blue natural capital and propose a strategic development model that relies on maintaining the health of natural ecosystems to safeguard the Red Sea

Published
2020

20. Projecting coral responses to intensifying marine heatwaves under ocean acidification.

Author

Klein, Shannon G., Geraldi, Nathan R., Anton, Andrea, Schmidt‐Roach, Sebastian, Ziegler, Maren, Cziesielski, Maha J., Martin, Cecilia, Rädecker, Nils, Frölicher, Thomas L., Mumby, Peter J., Pandolfi, John M., Suggett, David J., Voolstra, Christian R., Aranda, Manuel, and Duarte, Carlos. M.

Subjects
OCEAN acidification, CORAL bleaching, CORALS, CORAL reefs & islands, CORAL declines, CLIMATE change, GREENHOUSE gases
Abstract

Over this century, coral reefs will run the gauntlet of climate change, as marine heatwaves (MHWs) become more intense and frequent, and ocean acidification (OA) progresses. However, we still lack a quantitative assessment of how, and to what degree, OA will moderate the responses of corals to MHWs as they intensify throughout this century. Here, we first projected future MHW intensities for tropical regions under three future greenhouse gas emissions scenario (representative concentration pathways, RCP2.6, RCP4.5 and RCP8.5) for the near‐term (2021–2040), mid‐century (2041–2060) and late‐century (2081–2100). We then combined these MHW intensity projections with a global data set of 1,788 experiments to assess coral attribute performance and survival under the three emissions scenarios for the near‐term, mid‐century and late‐century in the presence and absence of OA. Although warming and OA had predominately additive impacts on the coral responses, the contribution of OA in affecting most coral attributes was minor relative to the dominant role of intensifying MHWs. However, the addition of OA led to greater decreases in photosynthesis and survival under intermediate and unrestricted emissions scenario for the mid‐ and late‐century than if intensifying MHWs were considered as the only driver. These results show that role of OA in modulating coral responses to intensifying MHWs depended on the focal coral attribute and extremity of the scenario examined. Specifically, intensifying MHWs and OA will cause increasing instances of coral bleaching and substantial declines in coral productivity, calcification and survival within the next two decades under the low and intermediate emissions scenario. These projections suggest that corals must rapidly adapt or acclimatize to projected ocean conditions to persist, which is far more likely under a low emissions scenario and with increasing efforts to manage reefs to enhance resilience. [ABSTRACT FROM AUTHOR]

Published
2022
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28. Evidence for miRNA‐mediated modulation of the host transcriptome in cnidarian–dinoflagellate symbiosis.

Author

Baumgarten, Sebastian, Cziesielski, Maha J., Thomas, Ludivine, Michell, Craig T., Esherick, Lisl Y., Pringle, John R., Aranda, Manuel, and Voolstra, Christian R.

Subjects
*CNIDARIA, *MICRORNA, *CORAL reef ecology, *DINOFLAGELLATES, *ALGAE
Abstract

Abstract: Reef‐building corals and other cnidarians living in symbiotic relationships with intracellular, photosynthetic dinoflagellates in the genus Symbiodinium undergo transcriptomic changes during infection with the algae and maintenance of the endosymbiont population. However, the precise regulatory mechanisms modulating the host transcriptome are unknown. Here, we report apparent post‐transcriptional gene regulation by miRNAs in the sea anemone Aiptasia, a model system for cnidarian–dinoflagellate endosymbiosis. Aiptasia encodes mainly species‐specific miRNAs, and there appears to have been recent differentiation within the Aiptasia genome of miRNAs that are commonly conserved among anthozoan cnidarians. Analysis of miRNA expression showed that both conserved and species‐specific miRNAs are differentially expressed in response to endosymbiont infection. Using cross‐linking immunoprecipitation of Argonaute, the central protein of the miRNA‐induced silencing complex, we identified miRNA binding sites on a transcriptome‐wide scale and found that the targets of the miRNAs regulated in response to symbiosis include genes previously implicated in biological processes related to Symbiodinium infection. Our study shows that cnidarian miRNAs recognize their mRNA targets via high‐complementarity target binding and suggests that miRNA‐mediated modulations of genes and pathways are important during the onset and maintenance of cnidarian–dinoflagellate endosymbiosis. [ABSTRACT FROM AUTHOR]

Published
2018
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29. Molecular insights into the Darwin paradox of coral reefs from the sea anemone Aiptasia.

Author

Guoxin Cui, Konciute, Migle K., Ling, Lorraine, Esau, Luke, Raina, Jean-Baptiste, Han, Baoda, Salazar, Octavio R., Presnell, Jason S., Rädecker, Nils, Huawen Zhong, Menzies, Jessica, Cleves, Phillip A., Yi Jin Liew, Krediet, Cory J., Sawiccy, Val, Cziesielski, Maha J., Guagliardo, Paul, Bougoure, Jeremy, Pernice, Mathieu, and Hirt, Heribert

Subjects
*CORAL reefs & islands, *SEA anemones, *LIFE sciences, *CORALS, *MOLECULAR biology, *GLUTAMINE synthetase, *GLUTAMINE
Abstract

The article presents a study that explores the molecular insights into the Darwin paradox of coral reefs from the sea anemone Aiptasia. It mentions the results of the study reveal crucial aspects of the molecular mechanisms underlying nitrogen conservation and recycling in the organisms that allow them to thrive in the nitrogen-poor ocean environments.

Published
2023
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30. DNA methylation regulates transcriptional homeostasis of algal endosymbiosis in the coral model Aiptasia.

Author

Yong Li, Yi Jin Liew, Guoxin Cui, Cziesielski, Maha J., Zahran, Noura, Michell, Craig T., Voolstra, Christian R., and Aranda, Manuel

Subjects
*DNA methylation, *HOMEOSTASIS, *SYMBIOSIS, *HISTONES, *GENES
Abstract

The article offers information on a study demonstrate that DNA methylation provides an epigenetic mechanism of transcriptional homeostasis that responds to symbiosis. It mentions that methylated genes are marked by histone 3 lysine 36 trimethylation (H3K36me3) and show significant reduction of spurious transcription and transcriptional noise, revealing a role of DNA methylation in the maintenance of transcriptional homeostasis.

Published
2018
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