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Symbiotic state mitigates oxybenzone lethality in Aiptasia, a model for coral-algal symbiosis - Livestream

Coral reefs are one of the most biologically productive and diverse ecosystems, directly sustaining half a billion people. However, they are under threat at the global level by anthropogenically-driven climate change and at the local level by overfishing, coastal development, and water pollution. Over the past decade, a growing body of evidence has demonstrated that organic UV filters (such as oxybenzone) found in sunscreen and personal care products are harmful to corals. A reef-building coral is a complex holobiont; the cnidarian animal with endosymbiotic dinoflagellate algae (family Symbiodinaceae) and associated microbiome. To investigate the mechanism of oxybenzone toxicity, we utilized the coral model Aiptasia (sensu Exaiptasia pallida), a symbiotic sea anemone. By interrogating each partner in isolation and then together in symbiosis, we find that the symbiotic state helps mitigate the toxicity of oxybenzone and propose a mechanism through metabolism by Symbiodinaceae algae.

Speaker:   Lorraine Ling, Postdoctoral Scholar, Stanford University

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Wednesday, 04/29/20

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Estuary & Ocean Science Center

3152 Paradise Drive
Bay Conference Center, South Bay Room
Tiburon, CA 94920

Phone: 415-33803700
Website: Click to Visit