{"refrec":{"BRefID":289204,"RR":"<b>Fritsch, M.; Wollesen, T.; Wanninger, A.</b> (2016). Hox and ParaHox gene expression in early body plan patterning of polyplacophoran mollusks. <i>Journal of experimental zoology. Part B, Molecular and developmental evolution 326(2)</i>: 89-104. <a href=\"https://dx.doi.org/10.1002/jez.b.22671\" target=\"_blank\">https://dx.doi.org/10.1002/jez.b.22671</a>","BEntID":281241,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Journal of experimental zoology. Part B, Molecular and developmental evolution 326(2)</i>: 89-104. <a href=\"https://dx.doi.org/10.1002/jez.b.22671\" target=\"_blank\">https://dx.doi.org/10.1002/jez.b.22671</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Fritsch, M.; Wollesen, T.; Wanninger, A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Fritsch, M. <i>et al.</i>","Englishabstract":"Molecular developmental studies of various bilaterians have shown that the identity of the anteroposterior body axis is controlled by Hox and ParaHox genes. Detailed Hox and ParaHox gene expression data are available for conchiferan mollusks, such as gastropods (snails and slugs) and cephalopods (squids and octopuses), whereas information on the putative conchiferan sister group, Aculifera, is still scarce (but see Fritsch et al., 2015 on Hox gene expression in the polyplacophoran <i>Acanthochitona crinita</i>). In contrast to gastropods and cephalopods, the Hox genes in polyplacophorans are expressed in an anteroposterior sequence similar to the condition in annelids and other bilaterians. Here, we present the expression patterns of the Hox genes <i>Lox5, Lox4</i>, and <i>Lox2</i>, together with the ParaHox gene <i>caudal</i> (<i>Cdx</i>) in the polyplacophoran <i>A. crinita</i>. To localize Hox and ParaHox gene transcription products, we also investigated the expression patterns of the genes <i>FMRF</i> and <i>Elav</i>, and the development of the nervous system. Similar to the other Hox genes, all three Acr-Lox genes are expressed in an anteroposterior sequence. Transcripts of <i>Acr-Cdx</i> are seemingly present in the forming hindgut at the posterior end. The expression patterns of both the central class Acr-Lox genes and the <i>Acr-Cdx</i> gene are strikingly similar to those in annelids and nemerteans. In Polyplacophora, the expression patterns of the Hox and ParaHox genes seem to be evolutionarily highly conserved, while in conchiferan mollusks these genes are co-opted into novel functions that might have led to evolutionary novelties, at least in gastropods and cephalopods.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Hox and ParaHox gene expression in early body plan patterning of polyplacophoran mollusks","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":2016,"MonPub":null,"DateUpdate":"2017-09-21","DateCreate":"2017-09-18","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000375210000001","VABBcode":null,"OpenAcc":1,"DOI":"10.1002/jez.b.22671"},"refs":null,"anarec":{"AnaID":289204,"PubliDate":2016,"Pagination":"89-104","XtraPublOfAnaID":null,"ISBN":null,"Volume":"326","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":236455,"SerRR":"Journal of experimental zoology. 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