Objective: In this study, we attempted to identify new Echinococcus granulosus isolates in the North West provinces of Iran based on the mitochondrial cytochrome c oxidase subunit 1 (CO1) sequence.
Methods: Twenty-nine hydatid cysts from sheep and goats were collected. Genomic DNAs were extracted, and a partial sequence of the CO1 gene was amplified. Polymerase chain reaction products were cloned and sequenced with M13 primers in both directions.
Results: All Iranian isolates were located in G1 and G3 genotypes. For the first time, a new G1 haplotype in two Iranian isolates were identified.
Conclusion: It seems that this new haplotype was transmitted from Jordan to Iran or vice versa.
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