{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T15:20:31Z","timestamp":1753888831287,"version":"3.41.2"},"reference-count":41,"publisher":"FapUNIFESP (SciELO)","issue":"3","license":[{"start":{"date-parts":[[2023,1,1]],"date-time":"2023-01-01T00:00:00Z","timestamp":1672531200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2023,1,1]],"date-time":"2023-01-01T00:00:00Z","timestamp":1672531200000},"content-version":"am","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2023,1,1]],"date-time":"2023-01-01T00:00:00Z","timestamp":1672531200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Rev. Bras. Parasitol. Vet."],"abstract":"<jats:p>Abstract The aim of the present study was to assess morphologic and genetic data on ascariasis in swine (Sus scrofa domesticus) and humans in low-resource rural and periurban communities in the state of Piau\u00ed, Brazil. Our cross-sectional survey included 100 fecal samples obtained from swine and 682 samples from humans. Fifteen pigs were necropsied. Human and porcine fecal samples were examined to identify Ascaris eggs. Parasites obtained in the swine necropsies were studied using scanning electron microscopy (SEM), and the mitochondrial gene encoding the cytochrome oxidase 1 (cox1) enzyme was partially amplified and sequenced for molecular taxonomy and phylogenetic analyses. The overall prevalence of Ascaris eggs in the swine fecal samples was 16\/100 (16%). No Ascaris eggs were identified in the human fecal samples. SEM of six worms recovered from pigs demonstrated morphological characteristics of A. suum. Cox1 sequences were compatible with A. suum reference sequences. Original and reference (GenBank) nucleotide sequences were organized into clusters that did not segregate the parasites by host species or and region. The largest haplogroups were dominated by haplotypes H01, H02 and H31. In the communities studied, there was no epidemiological evidence of the zoonotic transmission of ascariasis at the human-swine interface.<\/jats:p>","DOI":"10.1590\/s1984-29612023057","type":"journal-article","created":{"date-parts":[[2023,10,13]],"date-time":"2023-10-13T11:25:33Z","timestamp":1697196333000},"source":"Crossref","is-referenced-by-count":1,"title":["A molecular and morphological study of Ascaris suum in a human-pig contact scenario in northeastern Brazil"],"prefix":"10.1590","volume":"32","author":[{"given":"Polyanna Ara\u00fajo Alves","family":"Bacelar","sequence":"first","affiliation":[{"name":"Funda\u00e7\u00e3o Oswaldo Cruz, Brasil; Funda\u00e7\u00e3o Oswaldo Cruz, Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J\u00e9ssica Pereira dos","family":"Santos","sequence":"additional","affiliation":[{"name":"Funda\u00e7\u00e3o Oswaldo Cruz, Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Deiviane Aparecida","family":"Calegar","sequence":"additional","affiliation":[{"name":"Funda\u00e7\u00e3o Oswaldo Cruz, Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Denilson de Ara\u00fajo e","family":"Silva","sequence":"additional","affiliation":[{"name":"Funda\u00e7\u00e3o Oswaldo Cruz, Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daniella Nobre","family":"Leal","sequence":"additional","affiliation":[{"name":"Funda\u00e7\u00e3o Oswaldo Cruz, Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Brenda Bulsara Costa","family":"Evangelista","sequence":"additional","affiliation":[{"name":"Funda\u00e7\u00e3o Oswaldo Cruz, Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elis Regina Chaves dos","family":"Reis","sequence":"additional","affiliation":[{"name":"Secretaria Municipal de Sa\u00fade, Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jacenir Reis dos Santos","family":"Mallet","sequence":"additional","affiliation":[{"name":"Funda\u00e7\u00e3o Oswaldo Cruz, Brasil; Funda\u00e7\u00e3o Oswaldo Cruz, Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8083-2840","authenticated-orcid":false,"given":"Filipe Anibal","family":"Carvalho-Costa","sequence":"additional","affiliation":[{"name":"Funda\u00e7\u00e3o Oswaldo Cruz, Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lauren Hubert","family":"Jaeger","sequence":"additional","affiliation":[{"name":"Universidade Federal de Juiz de Fora, Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kerla Joeline Lima","family":"Monteiro","sequence":"additional","affiliation":[{"name":"Funda\u00e7\u00e3o Oswaldo Cruz, 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species","volume":"10","author":"S\u00f8e MJ","year":"2016","journal-title":"PLoS Negl Trop Dis"},{"issue":"3","key":"ref38","first-page":"512","article-title":"Estimation of the number of nucleotide substitutions in the control region of mitochondrial DNA in humans and chimpanzees","volume":"10","author":"Tamura K","year":"1993","journal-title":"Mol Biol Evol"},{"issue":"12","key":"ref39","doi-asserted-by":"crossref","first-page":"574","DOI":"10.1016\/j.pt.2010.06.009","article-title":"Soil-transmitted helminthiases: implications of climate change and human behavior","volume":"26","author":"Weaver HJ","year":"2010","journal-title":"Trends Parasitol"},{"issue":"6","key":"ref40","doi-asserted-by":"crossref","first-page":"545","DOI":"10.1017\/S0031182000067597","article-title":"Ascaris, people and pigs in a rural community of Jiangxi Province, China","volume":"113","author":"Weidong P","year":"1996","journal-title":"Parasitology"},{"issue":"6","key":"ref41","doi-asserted-by":"crossref","first-page":"1172","DOI":"10.1016\/j.meegid.2012.04.016","article-title":"Pig Ascaris: an important source of human ascariasis in China","volume":"12","author":"Zhou C","year":"2012","journal-title":"Infect Genet Evol"}],"container-title":["Revista Brasileira de Parasitologia Veterin\u00e1ria"],"original-title":["Estudo molecular e morfol\u00f3gico de Ascaris suum em um cen\u00e1rio de contato entre su\u00ednos e humanos no nordeste brasileiro"],"link":[{"URL":"http:\/\/www.scielo.br\/scielo.php?script=sci_pdf&pid=S1984-29612023000300311&tlng=en","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,10,30]],"date-time":"2024-10-30T20:03:23Z","timestamp":1730318603000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.scielo.br\/scielo.php?script=sci_arttext&pid=S1984-29612023000300311&tlng=en"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023]]},"references-count":41,"journal-issue":{"issue":"3","published-online":{"date-parts":[[2023]]}},"alternative-id":["S1984-29612023000300311"],"URL":"https:\/\/doi.org\/10.1590\/s1984-29612023057","relation":{},"ISSN":["1984-2961","0103-846X"],"issn-type":[{"type":"electronic","value":"1984-2961"},{"type":"print","value":"0103-846X"}],"subject":[],"published":{"date-parts":[[2023]]},"article-number":"e005623"}}