Abstract:Chemosynthetic symbioses between sulfur-oxidizing bacteria and aquatic eukaryotes have been discovered globally in sulfide-rich environments, notably deep-sea hydrothermal vents, cold seeps, and sulfidic cave systems. However, to the best of our knowledge, such chemosymbiotic lifestyles have not been reported from terrestrial eukaryotes. Here we report that the volcano lichen Cladonia vulcani Savicz ubiquitously associates with a single bacterial species that could potentially use hydrogen sulfide as a source … Show more
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