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[Prolonged persistence of M. arthritidis and M. fermentans in the bodies of experimentally infected rats]
Abstract:
The dynamics of the distribution of M. arthritidis and M. fermentans antigens in the organism of Wistar rats infected with these mycoplasmas introduced in a single injection has been studied. The indirect immunofluorescent test has shown that both Mycoplasma species are localized mainly in the lymphoid tissue, the bone marrow and the articular cartilage and that M. fermentans persists longer in these tissues (up to 1 year). The aggregate hemagglutination test has revealed that the antigens of both Mycoplasma species can be detected in the blood of the infected rats for 6 months.
Insights
This study tracked Mycoplasma arthritidis and Mycoplasma fermentans in rats. Both mycoplasmas primarily target lymphoid tissue, bone marrow, and cartilage, with M. fermentans persisting for up to a year.
Area of Science:
- Microbiology
- Immunology
- Veterinary Pathology
Background:
- Mycoplasma species are known pathogens with diverse host interactions.
- Understanding the distribution and persistence of mycoplasmas is crucial for disease management.
Purpose of the Study:
- To investigate the distribution dynamics of Mycoplasma arthritidis and Mycoplasma fermentans antigens in Wistar rats following infection.
- To determine the persistence of these mycoplasmas in various host tissues and blood.
Main Methods:
- Wistar rats were infected with a single injection of M. arthritidis and M. fermentans.
- Indirect immunofluorescence tests were used to detect mycoplasma antigens in tissues.
- Aggregate hemagglutination tests were employed to detect antigens in blood.
Main Results:
- Both Mycoplasma species were predominantly localized in lymphoid tissue, bone marrow, and articular cartilage.
- Mycoplasma fermentans demonstrated longer persistence in these tissues, up to one year.
- Antigens of both mycoplasma species were detectable in the blood of infected rats for up to six months.
Conclusions:
- Mycoplasma arthritidis and Mycoplasma fermentans exhibit specific tissue tropism in Wistar rats.
- Mycoplasma fermentans shows prolonged persistence in key host tissues, suggesting potential for chronic infection.
- The detection of antigens in blood for an extended period indicates systemic involvement.