Fig. 2From: Maternal toxoplasmosis and the risk of childhood autism: serological and molecular small-scale studiesRepresentative agarose gel photo (2%) showing treatment of mtDNA with restriction enzyme PstI, in which positive cut samples exit 2 bands at 14,458 bp and 2110 bp, while samples cut in one site only (*) gives one band at 16,568 bp only. M refers to high molecular weight marker (250–10,000 bp)Back to article page