A deep dive into fat: Investigating blubber lipidomics fingerprint of killer whales and humpback whales in northern Norway

Pierre Bories, Audun Rikardsen, Pim Leonards, Aaron Fisk, Sabrina Tartu, Emma Vogel, Jenny Bytingsvik & Pierre Blevin
In cetaceans, blubber is the primary and largest lipid body reservoir. Our current understanding about lipid stores and uses in cetaceans is still limited and most studies only focused on a single narrow snapshot of the lipidome. We documented an extended lipidomics fingerprint in two cetacean species present in northern Norway during wintertime. We were able to detect 817 molecular lipid species in blubber of killer whales (Orcinus orca) and humpback whales (Megaptera novaeangliae). The...
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