{"refrec":{"BRefID":287692,"RR":"<b>Pérez-García, C.; Hurtado, N.S.; Móran, P.; Pasantes, J.J.</b> (2014). Evolutionary dynamics of rDNA clusters in chromosomes of five clam species belonging to the family Veneridae (Mollusca, Bivalvia). <i>Biomed. Res. Int. 2014</i>: 1-9. <a href=\"https://dx.doi.org/10.1155/2014/754012\" target=\"_blank\">https://dx.doi.org/10.1155/2014/754012</a>","BEntID":279717,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Biomed. Res. Int. 2014</i>: 1-9. <a href=\"https://dx.doi.org/10.1155/2014/754012\" target=\"_blank\">https://dx.doi.org/10.1155/2014/754012</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Pérez-García, C.; Hurtado, N.S.; Móran, P.; Pasantes, J.J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Pérez-García, C. <i>et al.</i>","Englishabstract":"The chromosomal changes accompanying bivalve evolution are an area about which few reports have been published. To improve our understanding on chromosome evolution in Veneridae, ribosomal RNA gene clusters were mapped by fluorescent <i>in situ</i> hybridization (FISH) to chromosomes of five species of venerid clams (<i>Venerupis corrugata, Ruditapes philippinarum, Ruditapes decussatus, Dosinia exoleta</i>, and <i>Venus verrucosa</i>). The results were anchored to the most comprehensive molecular phylogenetic tree currently available for Veneridae. While a single major rDNA cluster was found in each of the five species, the number of 5S rDNA clusters showed high interspecies variation. Major rDNA was either subterminal to the short arms or intercalary to the long arms of metacentric or submetacentric chromosomes, whereas minor rDNA signals showed higher variability. Major and minor rDNAs map to different chromosome pairs in all species, but in <i>R. decussatus</i> one of the minor rDNA gene clusters and the major rDNA cluster were located in the same position on a single chromosome pair. This interspersion of both sequences was confirmed by fiber FISH. Telomeric signals appeared at both ends of every chromosome in all species. FISH mapping data are discussed in relation to the molecular phylogenetic trees currently available for Veneridae.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Evolutionary dynamics of rDNA clusters in chromosomes of five clam species belonging to the family Veneridae (Mollusca, Bivalvia)","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-15 01:32:59.926146","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2014,"MonPub":null,"DateUpdate":"2018-02-13","DateCreate":"2017-08-08","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000336576800001","VABBcode":null,"OpenAcc":1,"DOI":"10.1155/2014/754012"},"refs":null,"anarec":{"AnaID":287692,"PubliDate":2014,"Pagination":"1-9","XtraPublOfAnaID":null,"ISBN":null,"Volume":"2014","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":258927,"SerRR":"BioMed Research International. 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