title: Polyamine distribution in eukaryotes: occurrence of sym-norm-spermidine and sym-nor-spermine in arthropods.
mesh_terms: D000818:Animals; D001181:Arthropods / Q000032:analysis*; D002477:Cells / Q000032:analysis*; D005057:Eukaryotic Cells / Q000032:analysis*; D013045:Species Specificity; D013095:Spermidine / Q000031:analogs & derivatives* / Q000032:analysis; D013096:Spermine / Q000031:analogs & derivatives* / Q000032:analysis
chemical_list: D013096:Spermine; D013095:Spermidine