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Restriction endonuclease profile analysis of the 257-bp amplification products of eight C. burnetii isolates digested with TaqI. Lanes: A, strain Nine Mile; B, reagent control; C, strain Q212; D to G, four C. burnetii isolates; H, molecular size markers (ΦX174 cleaved with HinfI); I to L, four C. burnetii isolates.
