{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T06:05:18Z","timestamp":1789452318222,"version":"build-2803163510"},"reference-count":73,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T00:00:00Z","timestamp":1789430400000},"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. Parasitol."],"abstract":"<jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>\n                      <jats:italic>Giardia duodenalis<\/jats:italic>\n                      is a ubiquitous enteric protozoan infecting humans, domestic animals, and wildlife worldwide. In Thailand, high densities of stray animals represent an important management challenge. However, molecular epidemiological data regarding stray cats remain limited. This study estimated the prevalence of\n                      <jats:italic>G. duodenalis<\/jats:italic>\n                      , characterized the identified genetic assemblages, and explored factors associated with PCR positivity in temple stray cats in Bangkok, Thailand.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Fecal samples were collected from 500 stray cats residing across 43 temples in 24 districts of Bangkok. Detection of\n                      <jats:italic>G. duodenalis<\/jats:italic>\n                      was performed using nested PCR targeting the small subunit ribosomal RNA (SSU rRNA) gene. Positive samples were further characterized by genotyping at the glutamate dehydrogenase (\n                      <jats:italic>gdh<\/jats:italic>\n                      ) and triosephosphate isomerase (\n                      <jats:italic>tpi<\/jats:italic>\n                      ) loci. Phylogenetic analyses were conducted using the Maximum Likelihood method based on the Tamura 3-parameter model. Associated factors were evaluated using multivariable logistic regression.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The overall prevalence of\n                      <jats:italic>G. duodenalis<\/jats:italic>\n                      was 10.8% (54\/500; 95% CI: 8.4\u201313.8%), with positive cases identified in 12 of the 24 surveyed districts and 19 of the 43 sampled temples. Eight isolates were successfully genotyped, identifying assemblage B (sub-assemblage BIV, n = 4), assemblage F (n = 3), and assemblage A (sub-assemblage AI, n = 1). The absence of human contact was identified as an exploratory variable associated with higher odds of PCR positivity (adjusted odds ratio [aOR] = 8.80; 95% CI: 2.15\u201335.98;\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0=\u00a00.002), while demographic factors (age, sex), geographic zone, and deworming history showed no statistically significant associations.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion<\/jats:title>\n                    <jats:p>Assemblages previously reported in humans and various animals were detected among a small number of successfully genotyped isolates, while the source, direction of transmission, and the reservoir status of temple stray cats could not be determined.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fpara.2026.1948035","type":"journal-article","created":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T05:35:56Z","timestamp":1789450556000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Molecular detection and genetic characterization of Giardia duodenalis in temple stray cats in Bangkok, Thailand"],"prefix":"10.3389","volume":"5","author":[{"given":"Vy Thi Tuong","family":"Le","sequence":"first","affiliation":[{"name":"Department of Parasitology, Faculty of Veterinary Medicine, Kasetsart University","place":["Bangkok, Thailand"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pornkamol","family":"Phoosangwalthong","sequence":"additional","affiliation":[{"name":"Department of Parasitology, Faculty of Veterinary Medicine, Kasetsart University","place":["Bangkok, Thailand"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Minh-Trang Thi","family":"Hoang","sequence":"additional","affiliation":[{"name":"Department of Microbiology and Parasitology, Buon Ma Thuot Medical University, Buon Ma Thuot","place":["Dak Lak, Vietnam"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tawin","family":"Inpankaew","sequence":"additional","affiliation":[{"name":"Department of Parasitology, Faculty of Veterinary Medicine, Kasetsart University","place":["Bangkok, Thailand"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,9,15]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","DOI":"10.1128\/CMR.00024-19","article-title":"Giardia duodenalis: biology and pathogenesis","volume":"34","author":"Adam","year":"2021","journal-title":"Clin. 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