[In situ hybridization of cells infected by Chlamydia trachomatis]. 1994

B Mortemousque, and P Verin, and C Bebear, and B de Barbeyrac, and P Gendre
Centre Jean Abadie, Hôpital Pollegrin, Université de Bordeaux II.

Hybridization in situ of chlamydia trachomatis allows identification of the bacteria. Moreover exact chlamydia trachomatis localization at tissue level can be demonstrated. It seems to us very important to know for instance in conjunctiva were chlamydia trachomatis are located. We used DNA DIGOXIGENIN labelled plasmidic probe of 503 b.p. Detection of chlamydia trachomatis on paraffin embedded cells becomes possible. Specificity is 100% as plasmidic sequence is not found in other bacteria. Sensitivity seems to be good quality on experimental model. At present time, it is under clinical evaluation. This method could complete PCR for chlamydia detection in case of controversial diagnosis.

UI MeSH Term Description Entries
D002690 Chlamydia Infections Infections with bacteria of the genus CHLAMYDIA. Infections, Chlamydia,Chlamydia Infection,Infection, Chlamydia
D002692 Chlamydia trachomatis Type species of CHLAMYDIA causing a variety of ocular and urogenital diseases.
D004076 Digoxigenin 3 beta,12 beta,14-Trihydroxy-5 beta-card-20(22)-enolide. A cardenolide which is the aglycon of digoxin. Can be obtained by hydrolysis of digoxin or from Digitalis orientalis L. and Digitalis lanata Ehrh. Lanadigenin
D004269 DNA, Bacterial Deoxyribonucleic acid that makes up the genetic material of bacteria. Bacterial DNA
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D015342 DNA Probes Species- or subspecies-specific DNA (including COMPLEMENTARY DNA; conserved genes, whole chromosomes, or whole genomes) used in hybridization studies in order to identify microorganisms, to measure DNA-DNA homologies, to group subspecies, etc. The DNA probe hybridizes with a specific mRNA, if present. Conventional techniques used for testing for the hybridization product include dot blot assays, Southern blot assays, and DNA:RNA hybrid-specific antibody tests. Conventional labels for the DNA probe include the radioisotope labels 32P and 125I and the chemical label biotin. The use of DNA probes provides a specific, sensitive, rapid, and inexpensive replacement for cell culture techniques for diagnosing infections. Chromosomal Probes,DNA Hybridization Probe,DNA Probe,Gene Probes, DNA,Conserved Gene Probes,DNA Hybridization Probes,Whole Chromosomal Probes,Whole Genomic DNA Probes,Chromosomal Probes, Whole,DNA Gene Probes,Gene Probes, Conserved,Hybridization Probe, DNA,Hybridization Probes, DNA,Probe, DNA,Probe, DNA Hybridization,Probes, Chromosomal,Probes, Conserved Gene,Probes, DNA,Probes, DNA Gene,Probes, DNA Hybridization,Probes, Whole Chromosomal
D017403 In Situ Hybridization A technique that localizes specific nucleic acid sequences within intact chromosomes, eukaryotic cells, or bacterial cells through the use of specific nucleic acid-labeled probes. Hybridization in Situ,Hybridization, In Situ,Hybridizations, In Situ,In Situ Hybridizations

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