M. pneumoniae isolates used in the study.

aM129 obtained from ATCC and maintained in the laboratory (designated B9-M129) was used in amplification reactions.bIncludes strains PN597, PN6644 and PN 14366.cIn 1995 isolation of 24 strains of M. pneumoniae from urogenital specimens patients was reported [37]. Fifteen strains were included in this study (U2, U9, U13, U14, U15, U16, U18, U19, U20, U22, U23, U24, U28, U24 and U37).dIncludes strains TW7, TW8 and TW48.