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Fig. 3 | AMB Express

Fig. 3

From: Presence of Chlamydia trachomatis and Mycoplasma spp., but not Neisseria gonorrhoeae and Treponema pallidum, in women undergoing an infertility evaluation: high prevalence of tetracycline resistance gene tet(M)

Fig. 3

Prevalence and copy numbers of C. trachomatis, Mycoplasma and tet(M) gene in vaginal samples in four age groups. a The C. trachomatis positivity in 21–25 age group, 26–31 age group, 32–37 age group and 38–44 age group detected in this study were 21.4, 15.7, 25.0 and 42.9% respectively. The Mycoplasma positivity in above four age groups detected in this study were 7.1, 20.5, 16.7 and 14.3% respectively. The tet(M) gene positivity in above four age groups were all 100%. b The average gene copy numbers for C. trachomatis 23S rRNA, Mycoplasma spp. 16S rRNA and tet(M) gene were 102.53 ± 1.05 SEM, 102.81 ± 1.24 SEM, 104.28 ± 1.34 SEM (being equivalent to 27,855 ± 21,301 SEM; 14,433 ± 7872 SEM; 212,878 ± 39,025 SEM), respectively. The gene copy number for four age groups did not differ significantly for C. trachomatis, Mycoplasma spp. and tet(M). However, the tet(M) copy number is significantly higher than C. trachomatis (averagely 7.6 times), and Mycoplasma spp. (averagely 14.7 times)

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