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. 1985 Apr;131(4):975-8.
doi: 10.1099/00221287-131-4-975.

Detection of Chlamydia trachomatis in clinical specimens by nucleic acid spot hybridization

T Hyypiä, A Jalava, S H Larsen, P Terho, V Hukkanen

Detection of Chlamydia trachomatis in clinical specimens by nucleic acid spot hybridization

T Hyypiä et al. J Gen Microbiol. 1985 Apr.

Abstract

A nucleic acid spot hybridization assay was used to detect Chlamydia trachomatis DNA. The hybridization probes included DNA isolated from elementary bodies of lymphogranuloma venereum (LGV) strains and cloned fragments of both chromosomal and plasmid DNA. The sensitivity of the test was in the range 10 to 100 pg homologous DNA and 10 in vitro infected cells. Cross-reactivity with bacterial DNA was avoided when purified chlamydia-specific DNA fragments were used as probes. C. trachomatis was detectable in most of the clinical specimens with large amounts of infectious particles. Also some isolation-negative specimens gave a positive signal in the test.

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