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The incompatibility complex of H. plasmids
1Centro de Biología Celular, Facultad de Ciencias, Universidad Central de Venezuela, Caracas.
Revista Latinoamericana De Microbiologia
|April 1, 1992
Summary
This review examines the properties of R factors, which are large transfer thermosensitivity elements within the H. incompatibility complex. These elements are significant due to their temperature sensitivity and accumulation of resistance determinants, particularly in Salmonella and other Gram-negative bacteria.
Area of Science:
- Microbiology
- Genetics
- Molecular Biology
Background:
- R factors are genetic elements of significant interest in microbiology.
- These elements belong to the H. incompatibility complex.
- They possess a large transfer thermosensitivity (R) factor.
Purpose of the Study:
- To review the general properties of large transfer thermosensitivity R factors.
- To highlight their importance due to temperature sensitivity transfer systems.
- To discuss their prevalence and accumulation of resistance determinants.
Main Methods:
- Review of existing literature on R factors.
- Analysis of properties related to temperature sensitivity.
- Examination of resistance determinants and bacterial prevalence.
Main Results:
- R factors exhibit a notable temperature sensitivity transfer system.
- They accumulate a distinctive set of resistance determinants.
- These factors are prevalent in Salmonella serotypes and other Gram-negative bacteria.
Conclusions:
- The unique properties of R factors warrant further investigation.
- Their role in antibiotic resistance and bacterial adaptation is significant.
- Understanding R factors is crucial for studying Gram-negative bacteria in human and animal health.