{"refrec":{"BRefID":297019,"RR":"<b>Partensky, F.; Six, C.; Ratin, M.; Garczarek, L.; Vaulot, D.; Probert, I.; Calteau, A.; Gourvil, P.; Marie, D.; Grébert, T.; Bouchier, C.; Le Panse, S.; Gachenot, M.; Rodriguez, F.; Garrido, J.L.</b> (2018). A novel species of the marine cyanobacterium <i>Acaryochloris</i> with a unique pigment content and lifestyle. <i>NPG Scientific Reports 8(1)</i>: 13 pp. <a href=\"https://dx.doi.org/10.1038/s41598-018-27542-7\" target=\"_blank\">https://dx.doi.org/10.1038/s41598-018-27542-7</a>","BEntID":289108,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>NPG Scientific Reports 8(1)</i>: 13 pp. <a href=\"https://dx.doi.org/10.1038/s41598-018-27542-7\" target=\"_blank\">https://dx.doi.org/10.1038/s41598-018-27542-7</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Partensky, F.; Six, C.; Ratin, M.; Garczarek, L.; Vaulot, D.; Probert, I.; Calteau, A.; Gourvil, P.; Marie, D.; Grébert, T.; Bouchier, C.; Le Panse, S.; Gachenot, M.; Rodriguez, F.; Garrido, J.L.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Partensky, F. <i>et al.</i>","Englishabstract":"All characterized members of the ubiquitous genus <i>Acaryochloris</i> share the unique property of containing large amounts of chlorophyll (Chl) <i>d</i>, a pigment exhibiting a red absorption maximum strongly shifted towards infrared compared to Chl <i>a</i>. Chl <i>d</i> is the major pigment in these organisms and is notably bound to antenna proteins structurally similar to those of <i>Prochloron</i>, <i>Prochlorothrix</i> and <i>Prochlorococcus</i>, the only three cyanobacteria known so far to contain mono- or divinyl-Chl <i>a</i> and <i>b</i> as major pigments and to lack phycobilisomes. Here, we describe RCC1774, a strain isolated from the foreshore near Roscoff (France). It is phylogenetically related to members of the <i>Acaryochloris</i> genus but completely lacks Chl <i>d</i>. Instead, it possesses monovinyl-Chl <i>a</i> and <i>b</i> at a <i>b/a</i> molar ratio of 0.16, similar to that in <i>Prochloron</i> and <i>Prochlorothrix</i>. It differs from the latter by the presence of phycocyanin and a vestigial allophycocyanin energetically coupled to photosystems. Genome sequencing confirmed the presence of phycobiliprotein and Chl <i>b</i> synthesis genes. Based on its phylogeny, ultrastructural characteristics and unique pigment suite, we describe RCC1774 as a novel species that we name <i>Acaryochloris thomasi</i>. Its very unusual pigment content compared to other <i>Acaryochloris</i> spp. is likely related to its specific lifestyle.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"A novel species of the marine cyanobacterium <i>Acaryochloris</i> with a unique pigment content and lifestyle","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-15 01:33:04.817223","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2018,"MonPub":null,"DateUpdate":"2018-06-19","DateCreate":"2018-06-19","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000435338100057","VABBcode":null,"OpenAcc":1,"DOI":"10.1038/s41598-018-27542-7"},"refs":null,"anarec":{"AnaID":297019,"PubliDate":2018,"Pagination":"13 pp","XtraPublOfAnaID":null,"ISBN":null,"Volume":"8","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":208093,"SerRR":"Scientific Reports (Nature Publishing Group). 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