New genetic variants of <i>Toxoplasma gondii</i> isolates and a novel <i>ROP5</i> allele in free-range chickens from Tabasco, Mexico.

ABSTRACT: Toxoplasma gondii is a protozoan parasite that causes infection in birds and mammals (terrestrial and marine), both domestic and wild. The state of Tabasco has favourable climatic and ecological conditions for the replication and dissemination of this parasite. Therefore, the aim of this study was to isolate and genotype T. gondii from free-range chickens in this region of México by PCR-RFLP of 15 genetic markers. A total of 12 chickens were obtained from 7 municipalities. Serological survey by the modified agglutination test (MAT) of chicken serum samples revealed that 9 out of the 12 chickens (75%) tested had antibodies against T. gondii (titres ≥ 1:10). Toxoplasma gondii DNA was detected by PCR in tissues from 8 out of the 12 chickens. Twelve viable strains o

SUBMITTER: Valenzuela-Moreno LF 

PROVIDER: S-EPMC12644966 | biostudies-literature | 2025 Sep

REPOSITORIES: biostudies-literature