title: Origin of introns--early or late?
authors.forename: J M
authors.initials: JM
authors.lastname: Logsdon
authors.forename: J D
authors.initials: JD
authors.lastname: Palmer
mesh_terms: D000818:Animals; D001419:Bacteria / Q000235:genetics; D005075:Biological Evolution; D005987:Glyceraldehyde-3-Phosphate Dehydrogenases / Q000235:genetics; D006801:Humans; D007438:Introns; D010944:Plants / Q000235:genetics
chemical_list: D005987:Glyceraldehyde-3-Phosphate Dehydrogenases