{"refrec":{"BRefID":256631,"RR":"<b>Mancuso, F.P.; D'Hondt, S.; Willems, A.; Airoldi, L.; De Clerck, O.</b> (2016). Diversity and temporal dynamics of the epiphytic bacterial communities associated with the canopy-forming seaweed <i>Cystoseira cornpressa</i> (Esper) Gerloff and Nizamuddin. <i>Front. Microbiol. 7</i>: 11 pp. <a href=\"http://dx.doi.org/10.3389/fmicb.2016.00476\" target=\"_blank\">http://dx.doi.org/10.3389/fmicb.2016.00476</a>","BEntID":248640,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Front. Microbiol. 7</i>: 11 pp. <a href=\"https://dx.doi.org/10.3389/fmicb.2016.00476\" target=\"_blank\">https://dx.doi.org/10.3389/fmicb.2016.00476</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Mancuso, F.P.; D'Hondt, S.; Willems, A.; Airoldi, L.; De Clerck, O.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Mancuso, F.P. <i>et al.</i>","Englishabstract":"Canopy-forming seaweed species of the genus <i>Cystoseira</i> form diverse and productive habitats along temperate rocky coasts of the Mediterranean Sea. Despite numerous studies on the rich macrofauna and flora associated with <i>Cystoseira</i> spp., there is little knowledge about the epiphytic bacteria. We analyzed bacterial populations associated with canopies of <i>Cystoseira compressa</i>, over an annual vegetative cycle (May-October), and their relationships with the bacterial populations in the surrounding seawater, at intertidal rocky shores in Vasto (Chieti—Italy). The bacterial diversity was assessed using Illumina Miseq sequences of V1-V3 hypervariable regions of 16S rRNA gene. <i>C. compressa</i> bacterial community was dominated by sequences of <i>Proteobacteria</i> and <i>Bacteroidetes, Verrucomicrobia, Actinobacteria</i>, and <i>Cyanobacteria</i> especially of the <i>Rhodobacteriaceae, Flavobacteriaceae, Sapropiraceae, Verrucomicrobiaceae</i>, and <i>Phyllobacteriaceae</i> families. Seawater libraries were also dominated by <i>Proteobacteria</i> and <i>Bacteroidetes</i> sequences, especially of the <i>Candidatus Pelagibacter</i> (SAR11) and <i>Rhodobacteriaceae</i> families, but were shown to be clearly distinct from <i>C. compressa</i> libraries with only few species in common between the two habitats. We observed a clear successional pattern in the epiphytic bacteria of <i>C. compressa</i> over time. These variations were characterized by gradual addition of OTUs (<i>Verrucomicrobia, Actinobacteria</i> and SR1) to the community over a growing season, indicative of a temporal gradient, rather than a radical reorganization of the bacterial community. Moreover, we also found an increase in abundance over time of <i>Rhodobacteraceae</i>, comprising six potential pathogenic genera, <i>Ruegeria, Nautella, Aquimarina, Loktanella, Saprospira</i>, and <i>Phaeobacter</i> which seemed to be associated to aged thalli of <i>C. compressa</i>. These bacteria could have the potential to affect the health and ecology of the algae, suggesting the hypothesis of a possible, but still unexplored, role of the microbial communities in contributing to the extensive ongoing declines of populations of <i>Cystoseira</i> spp. in the Mediterranean Sea.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Diversity and temporal dynamics of the epiphytic bacterial communities associated with the canopy-forming seaweed <i>Cystoseira cornpressa</i> (Esper) Gerloff and Nizamuddin","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":"epiphytic bacteria communities; high throughput sequencing; 16S rRNAgene; canopy-forming seaweeds; Fucales; Cystoseira compressa;Mediterranean Sea","OtherDescriptors":null,"Notes":null,"AnaPub":2016,"MonPub":null,"DateUpdate":"2016-05-30","DateCreate":"2016-05-29","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000373594400001","VABBcode":null,"OpenAcc":1,"DOI":"10.3389/fmicb.2016.00476"},"refs":null,"anarec":{"AnaID":256631,"PubliDate":2016,"Pagination":"11 pp","XtraPublOfAnaID":null,"ISBN":null,"Volume":"7","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":234940,"SerRR":"Frontiers in Microbiology. 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