Copyright information:Taken from "Molecular archeology of an SP100 splice variant revisited: dating the retrotranscription and insertion events"Genome Biology 2001;2(9):research0040.1-research0040.6.Published online 30 Aug 2001PMCID:PMC56901.Copyright © 2001 Devor, licensee BioMed Central Ltd Amplicons from the PICauf1/a1PICdo primer pair. Amplicons from the SP100-HMG3/a1PICdo primer pair. The marker (M) is φX-174 III. Genomic DNAs are: lane 1, human; lanes 2 and 3, baboon ( and ); lane 4, vervet monkey (); lanes 5 and 6, macaques ( and ); lanes 7-9, New World monkeys - spider monkey (), marmoset () and tamarin ().