{"refrec":{"BRefID":331052,"RR":"<b>Erwin, P.M.; López-Legentil, S.; González-Pech, R.; Turon, X.</b> (2012). A specific mix of generalists: bacterial symbionts in Mediterranean <i>Ircinia</i> spp. <i>FEMS Microbiol. Ecol. 79(3)</i>: 619-637. <a href=\"https://dx.doi.org/10.1111/j.1574-6941.2011.01243.x\" target=\"_blank\">https://dx.doi.org/10.1111/j.1574-6941.2011.01243.x</a>","BEntID":324663,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":" <i>FEMS Microbiol. Ecol. 79(3)</i>: 619-637. <a href=\"https://dx.doi.org/10.1111/j.1574-6941.2011.01243.x\" target=\"_blank\">https://dx.doi.org/10.1111/j.1574-6941.2011.01243.x</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Erwin, P.M.; López-Legentil, S.; González-Pech, R.; Turon, X.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Erwin, P.M. <i>et al.</i>","Englishabstract":"Microbial symbionts form abundant and diverse components of marine sponge holobionts, yet the ecological and evolutionary factors that dictate their community structure are unresolved. Here, we characterized the bacterial symbiont communities of three sympatric host species in the genus <em>I</em><em>rcinia</em> from the NW Mediterranean Sea, using electron microscopy and replicated 16S rRNA gene sequence clone libraries. All <em>I</em><em>rcinia</em> host species harbored abundant and phylogenetically diverse symbiont consortia, comprised primarily of sequences related to other sponge-derived microorganisms. Community-level analyses of bacterial symbionts revealed host species-specific genetic differentiation and structuring of <em>I</em><em>rcinia</em>-associated microbiota. Phylogenetic analyses of host sponges showed a close evolutionary relationship between <em>I</em><em>rcinia fasciculata</em> and <em>I</em><em>rcinia variabilis</em>, the two host species exhibiting more similar symbiont communities. In addition, several bacterial operational taxonomic units were shared between <em>I</em><em>. variabilis</em> and <em>I</em><em>rcinia oros</em>, the two host species inhabiting semi-sciophilous communities in more cryptic benthic habitats, and absent in <em>I</em><em>. fasciculata</em>, which occurs in exposed, high-irradiance habitats. The generalist nature of individual symbionts and host-specific structure of entire communities suggest that: (1) a ‘specific mix of generalists’ framework applies to bacterial symbionts in <em>I</em><em>rcinia</em> hosts and (2) factors specific to each host species contribute to the distinct symbiont mix observed in <em>I</em><em>rcinia</em> hosts.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"A specific mix of generalists: bacterial symbionts in Mediterranean <i>Ircinia</i> spp.","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-17 01:32:35.103256","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"sponge, bacterial symbionts, host specificity, phylogenetics, ITS-2, COI","OtherDescriptors":null,"Notes":null,"AnaPub":2012,"MonPub":null,"DateUpdate":"2020-11-17","DateCreate":"2020-11-17","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000299257300006","VABBcode":null,"OpenAcc":0,"DOI":"10.1111/j.1574-6941.2011.01243.x"},"refs":null,"anarec":{"AnaID":331052,"PubliDate":2012,"Pagination":"619-637","XtraPublOfAnaID":null,"ISBN":null,"Volume":"79","Issue":"3","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42870,"SerRR":"FEMS Microbiology Ecology. 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