{"refrec":{"BRefID":354814,"RR":"<b>Louvard, C.; Cutmore, S.C.; Yong, R.Q.-Y.; Dang, C.; Cribb, T.H.</b> (2022). First elucidation of a didymozoid life cycle: <i>Saccularina magnacetabula</i> n. gen. n. sp. infecting an arcid bivalve. <i>Int. J. Parasitol. 52(7)</i>: 407-425. <a href=\"https://dx.doi.org/10.1016/j.ijpara.2021.11.012\" target=\"_blank\">https://dx.doi.org/10.1016/j.ijpara.2021.11.012</a>","BEntID":352527,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Int. J. Parasitol. 52(7)</i>: 407-425. <a href=\"https://dx.doi.org/10.1016/j.ijpara.2021.11.012\" target=\"_blank\">https://dx.doi.org/10.1016/j.ijpara.2021.11.012</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Louvard, C.; Cutmore, S.C.; Yong, R.Q.-Y.; Dang, C.; Cribb, T.H.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Louvard, C. <i>et al.</i>","Englishabstract":"The first first-intermediate host for a species of Didymozoidae (Trematoda: Hemiuroidea), a bivalve of the family Arcidae, is identified using multi-loci molecular data. First intermediate, (likely) third intermediate, and adult stages of a new didymozoid taxon (<em>Saccularina magnacetabula</em> n. gen. n. sp.) from Moreton Bay, Queensland, Australia were collected from the Sydney cockle <em>Anadara trapezia</em> (Deshayes) (Arcoidea: Arcidae), <em>Sillago</em> sp. (Sillaginidae) and <em>Elops hawaiensis</em> Regan (Elopiformes: Elopidae), respectively, and genetically matched. Infections in <em>A. trapezia</em> were present as sporocysts and cystophorous cercariae, and infected tissue at the base of the gills. Morphologically, <em>S</em>. <em>magnacetabula</em> is distinctive relative to all other didymozoids in the combination of hermaphroditism, mate-pairing, filiform body shape, the presence of a ventral sucker, a single testis, and a saccular excretory vesicle at the posterior extremity. Molecular sequence data were generated for <em>S</em>. <em>magnacetabula</em><span> and 42 other putative didymozoid species to explore relationships within the Didymozoidae and Hemiuroidea. In molecular phylogenetic analyses of the 28S rDNA region, the <a href=\"/topics/immunology-and-microbiology/new-genus\" title=\"Learn more about new genus from ScienceDirect's AI-generated Topic Pages\" class=\"topic-link\">new genus</a> forms a clade with an undescribed taxon from the redthroat emperor, </span><em>Lethrinus miniatus</em> (Bloch & Schneider) (Perciformes: Lethrinidae), from the Great Barrier Reef, and another uncharacterised taxon from <em>E</em>. <em>hawaiensis</em>. This clade is sister to a moderately well-supported clade comprising all other didymozoid species for which sequences are available, including representatives of five of the six presently recognised subfamilies. The infection of a bivalve by a didymozoid is discussed in the context of the overwhelming use of gastropod molluscs as first intermediate hosts by the Hemiuroidea.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"First elucidation of a didymozoid life cycle: <i>Saccularina magnacetabula</i> n. gen. n. sp. infecting an arcid bivalve","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-24 01:33:15.583838","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Didymozoidae; Hemiuroidea; Life cycle; Bivalve; Phylogeny","OtherDescriptors":null,"Notes":null,"AnaPub":2022,"MonPub":null,"DateUpdate":"2022-08-12","DateCreate":"2022-08-09","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000844503100002","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.ijpara.2021.11.012"},"refs":null,"anarec":{"AnaID":354814,"PubliDate":2022,"Pagination":"407-425","XtraPublOfAnaID":null,"ISBN":null,"Volume":"52","Issue":"7","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43156,"SerRR":"International journal for parasitology. 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