Which Specialized Metabolites Does the Native Subantarctic Gastropod Notodiscus hookeri Extract from the Consumption of the Lichens Usnea taylorii and Pseudocyphellaria crocata?

• Published in: Molecules
• Main Authors: Alice Gadea, Pierre Le Pogam, Grichka Biver, Joël Boustie, Anne-Cécile Le Lamer, Françoise Le Dévéhat, Maryvonne Charrier
• Format: Article in Journal/Newspaper
• Language: English
• Published: MDPI AG 2017
• Subjects: lichens; snails; chemical ecology; Crozet Archipelago; Notodiscus hookeri; Usnea taylorii; Pseudocyphellaria crocata; Organic chemistry; QD241-441; Possession Island
• Online Access: https://doi.org/10.3390/molecules22030425; https://doaj.org/article/a1a08264faa14fa4b414cbb0751bf1ed

Notodiscus hookeri is the only representative of terrestrial gastropods on Possession Island and exclusively feeds on lichens. The known toxicity of various lichen metabolites to plant-eating invertebrates led us to propose that N. hookeri evolved means to protect itself from their adverse effects....