{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,3]],"date-time":"2026-05-03T05:35:44Z","timestamp":1777786544090,"version":"3.51.4"},"reference-count":56,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2025,3,31]],"date-time":"2025-03-31T00:00:00Z","timestamp":1743379200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Vet. Sci."],"abstract":"<jats:sec><jats:title>Introduction<\/jats:title><jats:p>Despite Pakistan\u2019s rich amphibian fauna, frog and toad species remain largely unexplored regarding blood-borne parasites.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This study aims to investigate potential infections by <jats:italic>toxoplasma gondii<\/jats:italic> and <jats:italic>Hepatozoon<\/jats:italic> spp. in four amphibian species (<jats:italic>n<\/jats:italic>\u202f=\u202f223) collected from various regions in Punjab and Khyber Pakhtunkhwa provinces.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Molecular analyses revealed that 17 out of 223 amphibians (7.6%) were infected with <jats:italic>Hepatozoon<\/jats:italic> spp., with the highest infection rates found in <jats:italic>Bufo olivaceous<\/jats:italic> (20.0%), followed by <jats:italic>Bufo stomaticus<\/jats:italic> (9.3%) and <jats:italic>Hoplobatrachus tigerinus<\/jats:italic> (5.05%). DNA sequencing and BLAST analysis confirmed the presence of <jats:italic>Hepatozoon ixoxo<\/jats:italic> and <jats:italic>Lankesterella<\/jats:italic> sp. phylogenetic analysis of both pathogens demonstrated genetic diversity among the Pakistani isolates, clustering with isolates from birds, amphibians, and reptiles worldwide. To the best of our knowledge, this is first ever report globally where we are documenting that 4.5% of the screened Pakistani anurans, including frogs (<jats:italic>H. tigerinus<\/jats:italic>, 8.1%) and toads (<jats:italic>B. stomaticus<\/jats:italic>, 1.9%), were infected with <jats:italic>toxoplasma gondii<\/jats:italic>-like strains. Parasite prevalence varied between sampling sites and amphibian species. This study represents the first report from Pakistan documenting the prevalence and genetic characterization of <jats:italic>Hepatozoon<\/jats:italic> sp., <jats:italic>Lankesterella<\/jats:italic> sp., and <jats:italic>T. Gondii<\/jats:italic>-like strains among amphibians. We recommend conducting similar large-scale studies across various geo-climatic regions of Pakistan to further explore the epidemiology, genetic diversity, host\u2013parasite interactions, and effective control of these pathogens among local frog and toad species. Identifying genetically related <jats:italic>T. Gondii<\/jats:italic> strains in unexpected host animals, such as amphibians, has been crucial for contributing to the elucidation of the parasite\u2019s evolutionary history.<\/jats:p><\/jats:sec>","DOI":"10.3389\/fvets.2025.1568298","type":"journal-article","created":{"date-parts":[[2025,3,31]],"date-time":"2025-03-31T05:49:27Z","timestamp":1743400167000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":3,"title":["Molecular detection and phylogenetic identification of Toxoplasma gondii-like strains, Hepatozoon ixoxo and Lankesterella sp. in frogs and toads"],"prefix":"10.3389","volume":"12","author":[{"given":"Mubashra","family":"Salim","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Asmat Ullah","family":"Khan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alaudin Khan","family":"Niazi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Amna","family":"Aqdas","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Turki M.","family":"Dawoud","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Muhammad","family":"Usman","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hira","family":"Muqaddas","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shakir","family":"Ullah","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Han\u00e8ne","family":"Belkahia","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Adil","family":"Khan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mourad","family":"Ben Said","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Furhan","family":"Iqbal","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1965","published-online":{"date-parts":[[2025,3,31]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1206\/0003-0090(2006)297[0001:TATOL]2.0.CO;2","article-title":"The amphibian tree of life","volume":"297","author":"Frost","year":"2006","journal-title":"Bull Amr Museum Nat Hist"},{"key":"ref2","doi-asserted-by":"publisher","first-page":"1039","DOI":"10.1017\/S003118201700213X","article-title":"Monophyly of the species of Hepatozoon (Adeleorina: Hepatozoidae) parasitizing (African) anurans, with the description of three new species from hyperoliid frogs in South Africa","volume":"145","author":"Netherlands","year":"2018","journal-title":"Parasitology"},{"key":"ref3","first-page":"243","article-title":"Distribution 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