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Serotyping, a challenging approach for Toxoplasma gondii typing
Susana Sousa1,2,3,4, Maria Fernandes5, José Manuel Correia da Costa1,2,3
1Center for the Study of Animal Science (CECA), University of Porto, Porto, Portugal.
Frontiers in Medicine
|April 24, 2023
Summary
High genetic diversity in Toxoplasma gondii strains, especially non-archetypal South American genotypes, causes severe toxoplasmosis. Antibodies may serve as biomarkers for genotyping these parasites, despite complex genetic diversity.
Area of Science:
- Parasitology
- Immunology
- Genetics
Background:
- Toxoplasma gondii exhibits significant genetic diversity, with non-archetypal genotypes from South America linked to severe toxoplasmosis in immunocompetent individuals.
- Understanding the genetic diversity of T. gondii is crucial for disease management and prevention.
Purpose of the Study:
- To explore the potential of specific antibodies as biomarkers for identifying T. gondii genotypes.
- To review serological approaches for genotyping T. gondii, considering its complex genetic structure.
Main Methods:
- Review of scientific literature on T. gondii genetics and serology.
- Analysis of studies investigating antibody responses to different T. gondii genotypes.
Main Results:
- Evidence suggests that antibodies can be used as biomarkers for T. gondii genotyping.
- The complex genetic organization of T. gondii into 16 haplogroups and 6 clades presents challenges for accurate genotyping via serology.
Conclusions:
- Serological approaches show promise for T. gondii genotyping, but the parasite's genetic diversity complicates their application.
- Further research is needed to refine serological methods for reliable identification of T. gondii genotypes.
