Todd Lajeunesse

Professor of Biology

Todd Lajeunesse

Research Summary

Microbial Ecology and Evolution

Huck Graduate Students

Huck Affiliations

Links

Publication Tags

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Coral Reefs Anthozoa Symbiosis Symbionts Corals Symbiodinium Dinoflagellida Coral Miozoa Population Genetics Ecology Ribosomal Dna Symbiont Endosymbionts Reefs Coral Reef Ecosystem Genotype Endosymbiont Population Dinoflagellate Genome Genetic Markers High Throughput Nucleotide Sequencing Adaptive Radiation

Most Recent Publications

Victoria Sharp, Allison H. Kerwin, Marta Mammone, Viridiana Avila-Magana, Kira Turnham, Aki Ohdera, Todd LaJeunesse, Monica Medina, 2024, Frontiers in Ecology and Evolution

Fiorella Prada, Silvia Franzellitti, Erik Caroselli, Itay Cohen, Mauro Marini, Alessandra Campanelli, Lorenzo Sana, Arianna Mancuso, Chiara Marchini, Alessia Puglisi, Marco Candela, Tali Mass, Franco Tassi, Todd C. LaJeunesse, Zvy Dubinsky, Giuseppe Falini, Stefano Goffredo, 2023, Communications Biology

Elise F. Keister, Shelby E. Gantt, Hannah G. Reich, Kira E. Turnham, Timothy G. Bateman, Todd C. LaJeunesse, Mark E. Warner, Dustin W. Kemp, 2023, Scientific Reports

Dustin W. Kemp, Kenneth D. Hoadley, Allison M. Lewis, Drew C. Wham, Robin T. Smith, Mark E. Warner, Todd C. Lajeunesse, 2023, Proceedings of the Royal Society B: Biological Sciences

Caleb C. Butler, Kira E. Turnham, Allison M. Lewis, Matthew R. Nitschke, Mark E. Warner, Dustin W. Kemp, Ove Hoegh-Guldberg, William K. Fitt, Madeleine J.H. van Oppen, Todd C. LaJeunesse, 2023, Journal of Phycology on p. 698-711

Kira E. Turnham, Matthew D. Aschaffenburg, D. Tye Pettay, David A. Paz-García, Héctor Reyes-Bonilla, Jorge Pinzón, Ellie Timmins, Robin T. Smith, Michael P. McGinley, Mark E. Warner, Todd C. Lajeunesse, 2023, Proceedings of the Royal Society B: Biological Sciences

Sarah W. Davies, Matthew H. Gamache, Lauren I. Howe-Kerr, Nicola G. Kriefall, Andrew C. Baker, Anastazia T. Banaszak, Line Kolind Bay, Anthony J. Bellantuono, Debashish Bhattacharya, Cheong Xin Chan, Danielle C. Claar, Mary Alice Coffroth, Ross Cunning, Simon K. Davy, Javier del Campo, Erika M. Díaz-Almeyda, Jörg C. Frommlet, Lauren E. Fuess, Raúl A. González-Pech, Tamar L. Goulet, Kenneth D. Hoadley, Emily J. Howells, Benjamin C.C. Hume, Dustin W. Kemp, Carly D. Kenkel, Sheila A. Kitchen, Todd C. LaJeunesse, Senjie Lin, Shelby E. McIlroy, Ryan McMinds, Matthew R. Nitschke, Clinton A. Oakley, Raquel S. Peixoto, Carlos Prada, Hollie M. Putnam, Kate Quigley, Hannah G. Reich, James Davis Reimer, Mauricio Rodriguez-Lanetty, Stephanie M. Rosales, Osama S. Saad, Eugenia M. Sampayo, Scott R. Santos, Eiichi Shoguchi, Edward G. Smith, Michael Stat, Timothy G. Stephens, Marie E. Strader, David J. Suggett, Timothy D. Swain, Cawa Tran, Nikki Traylor-Knowles, Christian R. Voolstra, Mark E. Warner, Virginia M. Weis, Rachel M. Wright, Tingting Xiang, Hiroshi Yamashita, Maren Ziegler, Adrienne M.S. Correa, John Everett Parkinson, 2023, PeerJ

Todd C. LaJeunesse, Pilar Casado-Amezúa, Benjamin C.C. Hume, Caleb C. Butler, Solenn Mordret, Roberta Piredda, Pasquale De Luca, Raimondo Pannone, Diana Sarno, Joerg Wiedenmann, Isabella D’Ambra, 2022, Symbiosis on p. 1-10

Bioprinted Living Coral Microenvironments Mimicking Coral-Algal Symbiosis

Daniel Wangpraseurt, Yazhi Sun, Shangting You, Sing Teng Chua, Samantha K. Noel, Helena F. Willard, David B. Berry, Alexander M. Clifford, Sydney Plummer, Yi Xiang, Henry H. Hwang, Jaap Kaandorp, Julia M. Diaz, Todd C. La Jeunesse, Mathieu Pernice, Silvia Vignolini, Martin Tresguerres, Shaochen Chen, 2022, Advanced Functional Materials

Most-Cited Papers

Todd C. LaJeunesse, John Everett Parkinson, Paul W. Gabrielson, Hae Jin Jeong, James Davis Reimer, Christian R. Voolstra, Scott R. Santos, 2018, Current Biology on p. 2570-2580.e6

M. Aranda, Y. Li, Y. J. Liew, S. Baumgarten, O. Simakov, M. C. Wilson, J. Piel, H. Ashoor, S. Bougouffa, V. B. Bajic, T. Ryu, T. Ravasi, T. Bayer, G. Micklem, H. Kim, J. Bhak, T. C. LaJeunesse, C. R. Voolstra, 2016, Scientific Reports

Chatchanit Arif, Camille Daniels, Till Bayer, Eulalia Banguera-Hinestroza, Adrian Barbrook, Christopher J. Howe, Todd C. Lajeunesse, Christian R. Voolstra, 2014, Molecular Ecology on p. 4418-4433

Daniel J. Thornhill, Allison M. Lewis, Drew C. Wham, Todd C. Lajeunesse, 2014, Evolution; international journal of organic evolution on p. 352-367

Benjamin C.C. Hume, Edward G. Smith, Maren Ziegler, Hugh J.M. Warrington, John A. Burt, Todd C. LaJeunesse, Joerg Wiedenmann, Christian R. Voolstra, 2019, Molecular Ecology Notes on p. 1063-1080

Ecologically differentiated stress-tolerant endosymbionts in the dinoflagellate genus Symbiodinium (Dinophyceae) Clade D are different species

Todd C. Lajeunesse, Drew C. Wham, D. Tye Pettay, John Everett Parkinson, Shashank Keshavmurthy, Chaolun Allen Chen, 2014, Phycologia on p. 305-319

D. Tye Pettaya, Drew C. Whama, Robin T. Smith, Roberto Iglesias-Prietoc, Todd C. LaJeunessea, 2015, Proceedings of the National Academy of Sciences of the United States of America on p. 7513-7518

Iliana B. Baums, Andrew C. Baker, Sarah W. Davies, Andréa G. Grottoli, Carly D. Kenkel, Sheila A. Kitchen, Ilsa B. Kuffner, Todd C. LaJeunesse, Mikhail V. Matz, Margaret W. Miller, John E. Parkinson, Andrew A. Shantz, 2019, Ecological Applications

Maren Ziegler, Chatchanit Arif, John A. Burt, Sergey Dobretsov, Cornelia Roder, Todd C. LaJeunesse, Christian R. Voolstra, 2017, Journal of Biogeography on p. 674-686

New insights into the dynamics between reef corals and their associated dinoflagellate endosymbionts from population genetic studies

Iliana B. Baums, Meghann K. Devlin-Durante, Todd C. Lajeunesse, 2014, Molecular Ecology on p. 4203-4215

News Articles Featuring Todd Lajeunesse

There is still hope for coral reefs amid record-warm sea surface temperatures, studies show

Warming ocean water threatens Florida's coral reefs.

Corals and symbiotic algae thrive despite heating, offering hope for reef survival

In the face of climate change and rising ocean temperatures, coral reefs face unprecedented challenges.

Some corals may survive climate change without paying a metabolic price

If, as the saying goes, "nothing in life is free," then corals might pay a price for being resilient to climate change.

This Pacific Coral Can Withstand Warming Waters With the Help of Algae

The heat-resistant organism in antler coral may help it adapt as ocean temperatures increase.

Indo-Pacific corals more resilient to climate change than Atlantic corals

In the face of global warming and other environmental changes, corals in the Atlantic Ocean have declined precipitously in recent years, while corals in the Pacific and Indian Oceans are faring better.

Professor of biology awarded Maskalick Biodiversity Seed Grant

Todd LaJeunesse, professor of biology at Penn State, was recently awarded the David G. Maskalick and Kathleen A. Maskalick Biodiversity Healthcare Seed Grant by the Eberly College of Science Office for Innovation.

Scientists resurrect 'forgotten' genus of algae living in marine animals

In the late 1800s, scientists were stumped by the “yellow cells” they were observing within the tissues of certain temperate marine animals, including sea anemones, corals, and jellyfish. Were these cells part of the animal or separate organisms? If separate, were they parasites, or did they confer a benefit to the host?

Widespread coral-algae symbioses endured historical climate changes

One of the most important and widespread reef-building corals, known as cauliflower coral, exhibits strong partnerships with certain species of symbiotic algae, and these relationships have persisted through periods of intense climate fluctuations over the last 1.5 million years, according to a new study led by researchers at Penn State.

Coral’s resilience to warming may depend on iron

How well corals respond to climate change could depend in part on the already scarce amount of iron available in their environment, according to a new study led by Penn State researchers.

Iron deficiency in corals?

When iron is limited, the tiny algae that live within coral cells — which can provide the majority of a coral’s nutritional needs — change how they take in other trace metals, which could have cascading effects on vital biological functions.