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- Title
Genetic Diversity of Toxoplasma gondii Isolates From Free-Range Chickens In Bahia, Brazil.
- Authors
Rocha, Daniele S.; Nilsson, Mariana G.; Maciel, Bianca M.; Pena, Hilda F. J.; Alves, Bruna F.; Silva, Aristeu V.; Gondim, Luís F. P.; Albuquerque, George R.
- Abstract
Abstract The genotyping of 25 isolates of Toxoplasma gondii from free-range chickens in the state of Bahia, Brazil, was performed by PCR-restriction fragment length polymorphism using 11 genetic markers: SAG1, 5′+3′SAG2, alt.SAG2, SAG3, BTUB, GRA6, c22-8, c29-2, L358, PK1, Apico, and CS3. The analysis revealed 8 genotypes, 3 of which had not been previously reported. Four genotypes were represented by single isolates, whereas the other genotypes were represented by 2 or more isolates. Five isolates showed mixed infections, and 2 of them were identical. None of the clonal types I, II, or III were found, but 2 isolates corresponded to the Brazilian clonal lineage BrIII. There was a single allele for the c22-8 marker. The CS3 marker demonstrated efficiency in the evaluation of virulence in mice. This study reaffirms the diverse genetic variability of T. gondii in Brazil.
- Subjects
SALVADOR (Brazil); GENETIC polymorphisms; TOXOPLASMA gondii; FREE range (Animal culture); RHODOCOCCUS pathogenicity; CHICKENS; GENETICS
- Publication
Journal of Parasitology, 2018, Vol 104, Issue 4, p377
- ISSN
0022-3395
- Publication type
Article
- DOI
10.1645/18-9