Contamination of commercial human DNAs with mouse DNA.¹

11 ug of the human DNAs were tested using quantitative (qPCR) pro and nested pol and gag PCR assays. Copies/µg DNA is provided in parentheses for specimens with evidence of contamination. 2Mouse DNA contamination was detected using mitochondrial DNA (mtDNA) and intracisternal A particle (IAP) PCR qPCR assays. 3Second lot of human DNA sample received from Biochain after informing them of the contamination results. 4NA, information not available.