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This paleomicrobiologic study was conducted on osseous tissue specimens from ancient Hungarian skeletal samples from the 7–8th and the 17th centuries AD with typical macromorphologic evidence of osseous tuberculosis (n = 3), morphologic alterations probably due to tuberculosis (n = 6), or with nontypical osseous changes of vertebral bodies suggestive of inflammatory reaction (n = 5). From these bone samples, DNA was extracted and amplified by polymerase chain reaction (PCR) by using various primer pairs recognizing DNA segments of different mycobacterial species. To confirm specificity of the analysis, the amplification products of several samples were subjected to restriction enzyme digestion and/or direct sequencing. Of the analyzed 14 cases, 8 were unambiguously positive for mycobacterial DNA of the Mycobacterium tuberculosis complex, as shown by the amplification of the IS6110 sequence …