Demonstration of IS711 transposition in Brucella ovis and Brucella pinnipedialis
2008
Transposition of IS711 in Brucella Species
Sample size: 4
publication
Evidence: moderate
Author Information
Author(s): Ocampo-Sosa Alain A, García-Lobo Juan M
Primary Institution: Departamento de Biología Molecular, Universidad de Cantabria, Instituto de Biomedicina y Biotecnología de Cantabria, IBBTEC
Hypothesis
Can IS711 transpose in Brucella ovis and Brucella pinnipedialis?
Conclusion
IS711 is active in vivo, particularly in Brucella species with a high number of IS711 copies.
Supporting Evidence
- IS711 was found to transpose to the same target sequence in the plasmid pGBG1.
- Tetracycline resistant mutants were only detected in B. ovis and B. pinnipedialis strains.
- Four different copies of IS711 were identified in the study.
Takeaway
This study shows that a specific DNA sequence in certain bacteria can move around, which helps scientists understand how these bacteria work.
Methodology
The study used a transposon trap plasmid to detect IS711 transposition in Brucella strains.
Limitations
The transposition frequency was low and only detected in specific Brucella species.
Digital Object Identifier (DOI)
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