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Parasitol Res ; 123(6): 256, 2024 Jun 27.
Article in English | MEDLINE | ID: mdl-38935203

ABSTRACT

Cutaneous leishmaniasis (CL), a neglected tropical disease, is a major public health concern in Yemen, with Leishmania tropica identified as the main causative agent. This study aims to investigate the occurrence and distribution of Leishmania parasites in domestic and wild animals in CL endemic areas in the western highlands of Yemen. A cross-sectional study was conducted in the Utmah District of western Yemen. Blood and skin scraping specimens were collected from 122 domestic and wild animals and tested for the Leishmania DNA using internal transcribed spacer 1 (ITS1) nested polymerase chain reaction. Phylogenetic analyses were performed on 20 L. tropica sequences obtained from animals in this study and 34 sequences from human isolates (collected concurrently from the same study area) retrieved from the GenBank. Overall, L. tropica was detected in 16.4% (20/122) of the examined animals, including 11 goats, two dogs, two bulls, one cow, one donkey, one rabbit, one rat and one bat. None of the examined cats and sheep was positive. The animal sequences were segregated into four different L. tropica haplotypes, with the majority of the animal (15/20) and human (32/34) sequences composed of one dominant haplotype/genotype. These findings represent the first confirmed evidence of natural L. tropica infections in different kinds of domestic and wild animals in western Yemen, suggesting these animals potentially have a role in the transmission of CL in Yemen. Therefore, a One Health approach is required for the effective prevention and control of this devastating disease among endemic populations.


Subject(s)
Animals, Domestic , Animals, Wild , Leishmania tropica , Leishmaniasis, Cutaneous , One Health , Phylogeny , Animals , Leishmania tropica/genetics , Leishmania tropica/isolation & purification , Leishmania tropica/classification , Leishmaniasis, Cutaneous/epidemiology , Leishmaniasis, Cutaneous/veterinary , Leishmaniasis, Cutaneous/parasitology , Yemen/epidemiology , Humans , Cross-Sectional Studies , Animals, Wild/parasitology , Animals, Domestic/parasitology , DNA, Protozoan/genetics , Neglected Diseases/parasitology , Neglected Diseases/epidemiology , Neglected Diseases/veterinary , Endemic Diseases/veterinary , DNA, Ribosomal Spacer/genetics , Polymerase Chain Reaction/veterinary , Sequence Analysis, DNA , Male
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