Microbial pathogenesis · 2016
The first report: An analysis of bacterial flora of the first voided urine specimens of patients with male urethritis using the 16S ribosomal RNA gene-based clone library method.
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You Chunlin, Hamasuna Ryoichi, Ogawa Midori, Fukuda Kazumasa, Hachisuga Toru, Matsumoto Tetsuro, Taniguchi Hatsumi
Аннотация
OBJECTIVES: To analyse the bacterial flora of urine from patients with male urethritis using the clone library method.
METHODS: Urine specimens from patients with urethritis were used. The bacterial flora was analysed according to the 16S ribosomal RNA gene-based clone library method. In addition, Neisseria gonorrhoeae, Chlamydia trachomatis, Mycoplasma genitalium, Mycoplasma hominis, Ureaplasma urealyticum or Ureaplasma parvum were detected by the conventional PCR methods (TMA or real-time PCR) and data from the clone library and conventional PCR methods were compared.
RESULTS: Among 58 urine specimens, 38 were successfully analysed using the clone library method. From the specimens, 2427 clones were evaluated and 95 bacterial phylotypes were detected. N. gonorrhoeae was detected from 6 specimens and as the predominant bacterial species in 5 specimens. M. genitalium was detected from 5 specimens and as the predominant bacterial species in 3 specimens. C. trachomatis was detected from 15 specimens using the TMA method, but was detected from only 1 specimen using the clone library method. U. parvum was detected from only 2 specimens using the clone library method. In addition, Haemophilus influenzae and Neisseria meningitidis were also detected in 8 and 1 specimens, respectively. Gardnerella vaginalis, which is a potential pathogen for bacterial vaginitis in women, was detected in 10 specimens.
CONCLUSIONS: The clone library method can detect the occupancy rate of each bacteria species among the bacterial flora and may be a new method for bacterial analyses in male urethritis.
METHODS: Urine specimens from patients with urethritis were used. The bacterial flora was analysed according to the 16S ribosomal RNA gene-based clone library method. In addition, Neisseria gonorrhoeae, Chlamydia trachomatis, Mycoplasma genitalium, Mycoplasma hominis, Ureaplasma urealyticum or Ureaplasma parvum were detected by the conventional PCR methods (TMA or real-time PCR) and data from the clone library and conventional PCR methods were compared.
RESULTS: Among 58 urine specimens, 38 were successfully analysed using the clone library method. From the specimens, 2427 clones were evaluated and 95 bacterial phylotypes were detected. N. gonorrhoeae was detected from 6 specimens and as the predominant bacterial species in 5 specimens. M. genitalium was detected from 5 specimens and as the predominant bacterial species in 3 specimens. C. trachomatis was detected from 15 specimens using the TMA method, but was detected from only 1 specimen using the clone library method. U. parvum was detected from only 2 specimens using the clone library method. In addition, Haemophilus influenzae and Neisseria meningitidis were also detected in 8 and 1 specimens, respectively. Gardnerella vaginalis, which is a potential pathogen for bacterial vaginitis in women, was detected in 10 specimens.
CONCLUSIONS: The clone library method can detect the occupancy rate of each bacteria species among the bacterial flora and may be a new method for bacterial analyses in male urethritis.