{"refrec":{"BRefID":203369,"RR":"<b>Aguilar, C.; Reimer, J.D.</b> (2011). Molecular phylogenetic hypotheses of <i>Zoanthus</i> species (Anthozoa:Hexacorallia) using RNA secondary structure of the internal transcribed spacer 2 (ITS2). <i>Mar. Biodiv. 40(3)</i>: 195-204","BEntID":195578,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Mar. Biodiv. 40(3)</i>: 195-204","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Aguilar, C.; Reimer, J.D.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Aguilar, C.; Reimer, J.D.","Englishabstract":"Previously, it has been found that species of the zoanthid genus <i>Zoanthus</i> (Cnidaria: Hexacorallia) possess high levels of intrageneric ITS-rDNA sequence variation both between congeners and also within one species, <i>Zoanthus sansibaricus</i>, resulting in an uncertain internal transcribed spacer of ribosomal DNA (ITS-rDNA) phylogeny for this group. For the first time, the secondary structures of the internal transcribed spacer 2 (ITS 2) sequences were analyzed in an attempt to further clarify and solve relationships within <i>Zoanthus</i>, and also with the closely related genera <i>Acrozoanthus</i> and <i>Isaurus</i> (all in family Zoanthidae). Results show that most species&#8217; ITS2 secondary structures follow the basic four-helix-ring model proposed for most eukaryotes including anthozoans. However, not all structures had the conserved motifs present in scleractinian corals, and <i>Z. sansibaricus</i> had two different structural conformations from the two different ITS2 types present. The ITS2 secondary structures of <i>Zoanthus</i> in this study, present a well resolved and supported phylogeny that makes it an appropriate tool for solving phylogenies in this taxonomic group. Based on ITS2 secondary structure results here, we theorize that: (1) <i>Acrozoanthus</i> is a valid monophyly separate from <i>Zoanthus</i>; (2) <i>Z. gigantus</i>, <i>Z. sansibaricus</i>, and <i>Z. praelongus</i> do not have any compensatory base changes (CBCs) between them and form a related clade distinct from the more divergent <i>Z. kuroshio</i>/<i>Z. vietnamensis</i> clade. The results furthermore suggest that the presence of CBCs may exist only at much lower ratios between different species in zoanthids than in other investigated organism lineages.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Molecular phylogenetic hypotheses of <i>Zoanthus</i> species (Anthozoa:Hexacorallia) using RNA secondary structure of the internal transcribed spacer 2 (ITS2)","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2011,"MonPub":null,"DateUpdate":"2011-03-15","DateCreate":"2011-03-15","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":203369,"PubliDate":2011,"Pagination":"195-204","XtraPublOfAnaID":null,"ISBN":null,"Volume":"40","Issue":"3","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":141757,"SerRR":"Marine Biodiversity. 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