{"refrec":{"BRefID":331756,"RR":"<b>Wilson, B.; Fan, C.-M.; Edmunds, P.J.</b> (2020). An unusual microbiome characterises a spatially-aggressive crustose alga rapidly overgrowing shallow Caribbean reefs. <i>NPG Scientific Reports 10(1)</i>: 20949. <a href=\"https://dx.doi.org/10.1038/s41598-020-76204-0\" target=\"_blank\">https://dx.doi.org/10.1038/s41598-020-76204-0</a>","BEntID":325368,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>NPG Scientific Reports 10(1)</i>: 20949. <a href=\"https://dx.doi.org/10.1038/s41598-020-76204-0\" target=\"_blank\">https://dx.doi.org/10.1038/s41598-020-76204-0</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Wilson, B.; Fan, C.-M.; Edmunds, P.J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Wilson, B.; Fan, C.-M.; Edmunds, P.J.","Englishabstract":"Several species of crustose coralline algae (CCA) and their associated microbial biofilms play important roles in determining the settlement location of scleractinian corals on tropical reefs. In recent decades, peyssonnelid algal crusts (PAC) have become spatial dominants across large areas of shallow Caribbean reefs, where they appear to deter the recruitment of scleractinians. Our genetic investigations of PAC in St. John, US Virgin Islands, amplifying the large-subunit ribosomal RNA and <i>psbA</i> protein D1 marker genes, revealed them to be identical to <i>Ramicrusta textilis</i> previously reported overgrowing corals in Jamaica. Specimens of PAC sampled from the Honduras were likewise identical, confirming that this crustose alga inhabits the easternmost and westernmost regions of the Caribbean. We also analysed 16S rDNA tag amplicon libraries of the biofilms associated with PAC and sympatric CCA, which is favoured for coral settlement. Our results show that the microbial communities on PAC (vs. CCA) are characterized by significantly lower numbers of the epibiotic bacterial genus <i>Pseudoalteromonas</i>, which facilitates the recruitment and settlement of marine invertebrates. From these data, we infer that PAC are therefore unlikely to be attractive as settlement sites for coral larvae. Given the significant ecological change anticipated on these reefs due to increasing cover of PAC, there is an urgent need to further investigate competitive interactions between PAC and scleractinian corals, and elucidate the role of PAC and their associated microbiomes in accentuating phase shifts from coral to algae on tropical reefs.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"An unusual microbiome characterises a spatially-aggressive crustose alga rapidly overgrowing shallow Caribbean reefs","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-05 01:31:22.175375","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2020,"MonPub":null,"DateUpdate":"2020-12-07","DateCreate":"2020-12-07","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000609203600001","VABBcode":null,"OpenAcc":1,"DOI":"10.1038/s41598-020-76204-0"},"refs":null,"anarec":{"AnaID":331756,"PubliDate":2020,"Pagination":"20949","XtraPublOfAnaID":null,"ISBN":null,"Volume":"10","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":208093,"SerRR":"Scientific Reports (Nature Publishing Group). 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