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. 2008 Jan 4;7(3):537–540. doi: 10.1128/EC.00448-07

FIG. 2.

FIG. 2.

LC-MS analysis of genomic DNA of T. gondii mixed with human genomic DNA, T. gondii, C. parvum, and P. falciparum. (A) The two MS peaks correspond to cytosine (Cyt; m/z = 112) and its stable isotope (m/z = 115) for a representative experiment detecting cytosine in T. gondii DNA. (B, C, D, and E) Two peaks correspond to 5mC (m/z = 126) and its stable isotope (m/z = 130). A 1:1 mixture of T. gondii and human genomic DNAs has a 5mC peak (B). No 5mC is detected in T. gondii (C), C. parvum (D), or P. falciparum (E) DNA.