The haplotype-resolved Prymnesium parvum (type B) microalga genome reveals the genetic basis of its fish-killing toxins. - Kuhl H; Strassert JFH; Čertnerová D; Varga E; Kreuz E; Lamatsch DK; Wuertz S; Köhler J; Monaghan MT; Stöck M (Current biology : CB, 2024)