Figure. Restriction fragment length polymorphism of the 17-kDa PCR product (434 bp) digested with AluI. Top: lane 1, 32-year-old woman; lane 2, 9-year-old girl; lane 3, Rickettsia akari–positive control; lane 4, R. rickettsii–positive control; lane 5, R. typhi–positive control. Bottom: lane 1, undigested 17-kDa gene PCR amplicon; lane 2, 9-year-old girl; lane 3, 32-year-old woman; lane 4, R. conorii–positive control; lane 5, R. honei–positive control.
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