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Restriction profiles obtained after RcaI digestion of a portion of the citrate synthase gene amplified from three species of the Neorickettsia genogroup by PCR using consensus primer NEO-CS142F–NEO-CS730R. Lanes: M, molecular weight markers (in thousands); 1, E. sennetsu; 2, E. risticii; 3, N. helminthoeca.
