{"refrec":{"BRefID":208580,"RR":"<b>Silberfeld, T.; Leigh, J. W.; Verbruggen, H.; Cruaud, C.; de Reviers, B.; Rousseau, F.</b> (2010). A multi-locus time-calibrated phylogeny of the brown algae (Heterokonta, Ochrophyta, Phaeophyceae): Investigating the evolutionary nature of the ‘‘brown algal crown radiation”. <i>Mol. Phylogenet. Evol. 56(2)</i>: 659-674. <a href=\"http://dx.doi.org/10.1016/j.ympev.2010.04.020\" target=\"_blank\">dx.doi.org/10.1016/j.ympev.2010.04.020</a>","BEntID":200570,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Mol. Phylogenet. Evol. 56(2)</i>: 659-674. <a href=\"https://dx.doi.org/10.1016/j.ympev.2010.04.020\" target=\"_blank\">https://dx.doi.org/10.1016/j.ympev.2010.04.020</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Silberfeld, T.; Leigh, J. W.; Verbruggen, H.; Cruaud, C.; de Reviers, B.; Rousseau, F.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Silberfeld, T. <i>et al.</i>","Englishabstract":"The most conspicuous feature in previous phaeophycean phylogenies is a large polytomy known as the brown algal crown radiation (BACR). The BACR encompasses 10 out of the 17 currently recognized brown algal orders. A recent study has been able to resolve a few nodes of the BACR, suggesting that it may be a soft polytomy caused by a lack of signal in molecular markers. The present work aims to refine relationships within the BACR and investigate the nature and timeframe of the diversification in question using a dual approach. A multi-marker phylogeny of the brown algae was built from 10 mitochondrial, plastid and nuclear loci (>10,000 nt) of 72 phaeophycean taxa, resulting in trees with well-resolved inter-ordinal relationships within the BACR. Using Bayesian relaxed molecular clock analysis, it is shown that the BACR is likely to represent a gradual diversification spanning most of the Lower Cretaceous rather than a sudden radiation. Non-molecular characters classically used in ordinal delimitation were mapped on the molecular topology to study their evolutionary history.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"A multi-locus time-calibrated phylogeny of the brown algae (Heterokonta, Ochrophyta, Phaeophyceae): Investigating the evolutionary nature of the ‘‘brown algal crown radiation”","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:01.897972","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Phaeophyceae; Brown algal crown radiation; Multi-marker phylogeny; Time-calibrated phylogeny; Bayesian relaxed molecular clock; Hard; soft polytomy; Non-molecular characters evolution","OtherDescriptors":null,"Notes":null,"AnaPub":2010,"MonPub":null,"DateUpdate":"2014-10-23","DateCreate":"2011-10-18","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000278890100016","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.ympev.2010.04.020"},"refs":null,"anarec":{"AnaID":208580,"PubliDate":2010,"Pagination":"659-674","XtraPublOfAnaID":null,"ISBN":null,"Volume":"56","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45071,"SerRR":"Molecular Phylogenetics and Evolution. 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