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Res Microbiol. 1989 Jan;140(1):7-16.

Specific amplification of a DNA sequence common to all Chlamydia trachomatis serovars using the polymerase chain reaction.

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Laboratoire de Bactériologie, Hôpital Pellegrin, Bordeaux, France.


Enzymatic DNA amplification was applied to DNA and elementary bodies of C. trachomatis. Oligonucleotide primers were chosen in a sequence of a conserved domain of the major outer membrane protein to generate the amplification of a 129-base pair fragment. This sequence was amplified in the 15 serovars of C. trachomatis; however, serovar J gave a weaker signal than the others. The specificity was controlled by EcoRI restriction enzyme digestion and Southern analysis using an internal probe of the amplified sequence. No cross-reaction was shown with DNA of 11 other bacteria. Thus, enzymatic DNA amplification by the polymerase chain reaction appears to be a potential tool for the specific detection of C. trachomatis.

[Indexed for MEDLINE]

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