The presence of insertion elements IS861 and IS1548 in group B streptococci
Language English Country United States Media print
Document type Evaluation Study, Journal Article, Research Support, Non-U.S. Gov't
PubMed
12744086
DOI
10.1007/bf02931285
Knihovny.cz E-resources
- MeSH
- DNA, Bacterial MeSH
- Pregnancy Complications, Infectious microbiology MeSH
- Humans MeSH
- Mastitis, Bovine microbiology MeSH
- Dairying MeSH
- Polymorphism, Restriction Fragment Length * MeSH
- Electrophoresis, Gel, Pulsed-Field MeSH
- Cattle MeSH
- Streptococcus agalactiae classification genetics MeSH
- Streptococcal Infections microbiology veterinary MeSH
- Bacterial Typing Techniques MeSH
- Pregnancy MeSH
- DNA Transposable Elements genetics MeSH
- Animals MeSH
- Check Tag
- Humans MeSH
- Cattle MeSH
- Pregnancy MeSH
- Female MeSH
- Animals MeSH
- Publication type
- Journal Article MeSH
- Evaluation Study MeSH
- Research Support, Non-U.S. Gov't MeSH
- Names of Substances
- DNA, Bacterial MeSH
- DNA Transposable Elements MeSH
The presence of insertion elements (IS) IS861 and IS1548 in the collection of 211 Streptococcus agalactiae strains isolated from pregnant women and dairy cows was assayed. IS861 was found in 67 human strains (59%) and 36 bovine strains (37%), IS1548 in 13 human strains (12%) and 16 bovine strains (16%). Two combinations, IS861+ IS1548- and IS861- IS1548-, were widely distributed in both human and bovine strains. The copy number and the restriction fragment length polymorphism (RFLP) of the two IS were determined in human group B streptococcus (GBS) strains. A minimum of 8 copies of IS1548 were detected in GBS strains while the copy number of IS861 varied from 1 to 9. The number of different hybridizing patterns with IS861 and IS1548 probes was 9 and 6, respectively. These hybridization patterns were divided into several clusters. All strains with IS were also clustered according to pulsed field-gel electrophoresis (PFGE) patterns. A correlation was found between the results of PFGE- and IS-based clustering.
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