Additional file 1: of Generation and maintenance of acentric stable double minutes from chromosome arms in inter-species hybrid cells

Figure S1. The DMs in clone T4 were actually centromere-negative. Equal amount of clone T4 cells and COLO 320DM cells were mixed, simultaneously hybridized with Alu-probe and human centromere-probe and detected in red and green, respectively. DNA was counterstained by DAPI. (TIFF 1404 kb)