Fig. 1

Identification of a novel antisense Alu element in intron 4 of ALDH1A1. A Agarose gel electrophoresis of PCR products amplified using the Alu primers. B Sequencing of the short and long PCR products. C Alignment of the additional insertion with Alu Y subfamilies. The identified variant was named Alu Yb8c4. D Schematic illustration of the Alu Yb8c4 insertion in ALDH1A1