{"refrec":{"BRefID":109559,"RR":"<b>Meldal, B.H.M.; Debenham, N.J.; De Ley, P.; De Ley, I.T.; Vanfleteren, J.R.; Vierstraete, A.R.; Bert, W.; Borgonie, G.; Moens, T.; Tyler, P.A.; Austen, M.C.; Blaxter, M.L.; Rogers, A.D.; Lambshead, P.J.D.</b> (2007). An improved molecular phylogeny of the Nematoda with special emphasis on marine taxa. <i>Mol. Phylogenet. Evol. 42(3)</i>: 622-636. <a href=\"http://dx.doi.org/10.1016/j.ympev.2006.08.025\" target=\"_blank\">http://dx.doi.org/10.1016/j.ympev.2006.08.025</a>","BEntID":104254,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Mol. Phylogenet. Evol. 42(3)</i>: 622-636. <a href=\"https://dx.doi.org/10.1016/j.ympev.2006.08.025\" target=\"_blank\">https://dx.doi.org/10.1016/j.ympev.2006.08.025</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Meldal, B.H.M.; Debenham, N.J.; De Ley, P.; De Ley, I.T.; Vanfleteren, J.R.; Vierstraete, A.R.; Bert, W.; Borgonie, G.; Moens, T.; Tyler, P.A.; Austen, M.C.; Blaxter, M.L.; Rogers, A.D.; Lambshead, P.J.D.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Meldal, B.H.M. <i>et al.</i>","Englishabstract":"Phylogenetic reconstructions of relations within the phylum Nematoda are inherently difficult but have been advanced with the introduction of large-scale molecular-based techniques. However, the most recent revisions were heavily biased towards terrestrial and parasitic species and greater representation of clades containing marine species (e.g. Araeolaimida, Chromadorida, Desmodorida, Desmoscolecida, Enoplida, and Monhysterida) is needed for accurate coverage of known taxonomic diversity. We now add small subunit ribosomal DNA (SSU rDNA) sequences for 100 previously un-sequenced species of nematodes, including 46 marine taxa. SSU rDNA sequences for >200 taxa have been analysed based on Bayesian inference and LogDet-transformed distances. The resulting phylogenies provide support for (i) the re-classification of the Secernentea as the order Rhabditida that derived from a common ancestor of chromadorean orders Araeolaimida, Chromadorida, Desmodorida, Desmoscolecida, and Monhysterida and (ii) the position of <i>Bunonema</i> close to the Diplogasteroidea in the Rhabditina. Other, previously controversial relationships can now be resolved more clearly: (a) <i>Alaimus, Campydora</i>, and <i>Trischistoma</i> belong in the Enoplida, (b) <i>Isolaimium</i> is placed basally to a big clade containing the Axonolaimidae, Plectidae, and Rhabditida, (c) <i>Xyzzors</i> belongs in the Desmodoridae, (d) Comesomatidae and <i>Cyartonema</i> belongs in the Monhysterida, (e) <i>Globodera</i> belongs in the Hoplolaimidae and (f) <i>Paratylenchus dianeae</i> belongs in the Criconematoidea. However, the SSU gene did not provide significant support for the class Chromadoria or clear evidence for the relationship between the three classes, Enoplia, Dorylaimia, and Chromadoria. Furthermore, across the whole phylum, the phylogenetically informative characters of the SSU gene are not informative in a parsimony analysis, highlighting the short-comings of the parsimony method for large-scale phylogenetic modelling.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"An improved molecular phylogeny of the Nematoda with special emphasis on marine taxa","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-21 10:52:48.920420","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"nematoda; Adenophorea; Secernentea; Enoplea; Chromadorea; Rhabditida;SSU rDNA; parsimony; LogDet transformation; Bayesian inference;phylogenetic reconstruction; evolution; systematics; taxonomy; marinenematodes","OtherDescriptors":null,"Notes":null,"AnaPub":2007,"MonPub":null,"DateUpdate":"2018-05-17","DateCreate":"2007-04-13","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000245717300005","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.ympev.2006.08.025"},"refs":null,"anarec":{"AnaID":109559,"PubliDate":2007,"Pagination":"622-636","XtraPublOfAnaID":null,"ISBN":null,"Volume":"42","Issue":"3","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45071,"SerRR":"Molecular Phylogenetics and Evolution. 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