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| Content Provider | PubMed Central |
|---|---|
| Author | Grimont, P. A. Grimont, F. Desplaces, N. Tchen, P. |
| Abstract | A procedure for preparing a DNA probe to be used in the specific detection of Legionella pneumophila by dot or colony hybridization has been devised. When total DNA from L. pneumophila was used as a radioactive probe, cross-hybridization occurred with DNA from many other species belonging to various families (including Legionellaceae, Enterobacteriaceae, Pseudomonadaceae, and Vibrionaceae). Cross-hybridizing restriction fragments in L. pneumophila ATCC 33152 DNA were identified on Southern blots. When unlabeled DNA from strain ATCC 33152 was cleaved by endonuclease BamHI, the DNA fragments cross-hybridizing with the labeled DNA from all of the other species and genera tested (or with Escherichia coli 16 + 23 S RNA) had a size of 21.4 and 16.2 kilobase pairs (major bands) and 28.0, 12.8, and 10.1 kilobase pairs (minor bands). BamHI restriction fragments of L. pneumophila DNA deprived of the cross-hybridizing fragments were pooled and used as a probe for the detection of L. pneumophila. This probe proved to be specific for L. pneumophila in colony and dot hybridization. It can potentially be used for the detection of L. pneumophila in clinical and water samples. The procedure described can be readily applied to the preparation of probes specific for phylogenetically isolated bacterial species other than L. pneumophila. |
| Starting Page | 431 |
| File Format | |
| ISSN | 1098660X |
| e-ISSN | 1098660X |
| Journal | Journal of Clinical Microbiology |
| Issue Number | 3 |
| Volume Number | 21 |
| Language | English |
| Publisher Date | 1985-03-01 |
| Access Restriction | Open |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Microbiology (medical) |
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