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Genetic markers in the study of Anisakis typica (Diesing, 1860): larval identification and genetic relationships with other species of Anisakis Dujardin, 1845 (Nematoda: Anisakidae)

2002Journal article Open access
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dc.contributor.authorMattiucci, S.
dc.contributor.authorPaggi, L.
dc.contributor.authorNascetti, G.
dc.contributor.authorPortes Santos, C.
dc.contributor.authorCosta, G.
dc.contributor.authorDi Beneditto, A.P.
dc.contributor.authorRamos, R.
dc.contributor.authorArgyrou, M.
dc.contributor.authorCianchi, R.
dc.contributor.authorBullini, L.
dc.date.accessioned2022-11-15T09:49:23Z
dc.date.available2022-11-15T09:49:23Z
dc.date.issued2002
dc.description.abstractGenetic variation at 21 gene-enzyme systems was studied in a sample of an adult population of Anisakis typica (Diesing, 1860) recovered in the dolphin Sotalia fluviatilis from the Atlantic coast of Brazil. The characteristic alleles, detected in this population, made it possible to identify as A. typica, Anisakis larvae with a Type I morphol ogy (sensu Berland, 1961) from various fishes: Thunnus thynnus and Auxis thazard from Brazil waters, Trachurus picturatus and Scomber japonicus from Madeiran waters, Scomberomorus commerson, Euthynnus affinis, Sarda orientalis and Coryphaena hippurus from the Somali coast of the Indian Ocean, and Merluccius merluccius from the Eastern Mediterranean. Characteristic allozymes are given for the identification, at any life-stage and in both sexes, of A. typica and the other Anisakis species so far studied genetically. The distribution of A. typica in warmer temperate and tropical waters is confirmed; the definitive hosts so far identified for this species belong to delphinids, phocoenids and pontoporids. The present findings represent the first established records of intermediate/paratenic hosts of A. typica and extend its range to Somali waters of the Indian Ocean and to the Eastern Mediterranean Sea. A remarkable genetic homogeneity was observed in larval and adult samples of A. typica despite their different geographical origin; interpopulation genetic distances were low, ranging from DNei = 0.004 (Eastern Mediterranean versus Somali) to DNei = 0.010 (Brazilian versus Somali). Accordingly, indirect estimates of gene flow gave a rather high average value of Nm = 6.00. Genetic divergence of A. typica was, on average, DNei = 1.12 from the members of the A. simplex complex (A. simplex s.s, A. pegreffii, A. simplex C) and DNei = 1.41 from A. ziphidarum, which all share Type I larvae; higher values were found from both A. physeteris (DNei = 2.77) and A. brevispiculata (DNei = 2.52), which have Type II larvae (sensu Berland, 1961). Genetic relationships among these species are shown using multidimensional scaling ordination (MDS). The genus Anisakis appears to be phylogenetically heterogeneous and includes two distinct groups of species, which are morphologically and genetically differentiated.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMattiucci, S., Paggi, L., Nascetti, G. et al. Genetic markers in the study of Anisakis typica (Diesing, 1860): larval identification and genetic relationships with other species of Anisakis Dujardin, 1845 (Nematoda: Anisakidae). Syst Parasitol 51, 159–170 (2002). https://doi.org/10.1023/A:1014554900808pt_PT
dc.identifier.doi10.1023/A:1014554900808pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.13/4770
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherKluwer Academic Publisherspt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectIndian Oceanpt_PT
dc.subjectAtlantic coastpt_PT
dc.subjectDefinitive hostpt_PT
dc.subjectIndirect estimatept_PT
dc.subjectGenetic homogeneitypt_PT
dc.subjectAnisakis typicapt_PT
dc.subjectAnisakis Dujardinpt_PT
dc.subject.pt_PT
dc.subjectFaculdade de Ciências da Vidapt_PT
dc.titleGenetic markers in the study of Anisakis typica (Diesing, 1860): larval identification and genetic relationships with other species of Anisakis Dujardin, 1845 (Nematoda: Anisakidae)pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage170pt_PT
oaire.citation.issue3pt_PT
oaire.citation.startPage159pt_PT
oaire.citation.titleSystematic Parasitologypt_PT
oaire.citation.volume51pt_PT
person.familyNamePereira da Costa
person.givenNameGraça Maria
person.identifier.ciencia-id4B1C-4144-D839
person.identifier.orcid0000-0003-0277-3376
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication5c9c6608-1cc2-4d67-81e1-3f322eaf34bc
relation.isAuthorOfPublication.latestForDiscovery5c9c6608-1cc2-4d67-81e1-3f322eaf34bc

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