{"refrec":{"BRefID":355226,"RR":"<b>Grzebyk, D.; Pasqualini, V.; Garrido, M.; Quilichini, Y.; Pereto, C.; Cecchi, P.</b> (2022). Insight into the morphology and genetic diversity of the <i>Chaetoceros tenuissimus</i> (Bacillariophyta) species complex. <i>Eur. J. Phycol. 57(4)</i>: 507-525. <a href=\"https://dx.doi.org/10.1080/09670262.2022.2029949\" target=\"_blank\">https://dx.doi.org/10.1080/09670262.2022.2029949</a>","BEntID":352939,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Eur. J. Phycol. 57(4)</i>: 507-525. <a href=\"https://dx.doi.org/10.1080/09670262.2022.2029949\" target=\"_blank\">https://dx.doi.org/10.1080/09670262.2022.2029949</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Grzebyk, D.; Pasqualini, V.; Garrido, M.; Quilichini, Y.; Pereto, C.; Cecchi, P.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Grzebyk, D. <i>et al.</i>","Englishabstract":"Among the marine planktonic diatoms, <i>Chaetoceros</i> is among the most species-rich genera, and many <i>Chaetoceros</i> species are considered important primary producers. However, little is known about the ecology and distribution of the few small solitary species within this genus, including <i>Chaetoceros tenuissimus</i>. This article describes a minute <i>Chaetoceros</i> strain, identified as <i>C. tenuissimus</i> (named CT16ED) that was isolated at a coastal lagoon in Corsica Island, Western Mediterranean. The strain was characterized by light microscopy and scanning and transmission electron microscopy, with a specific focus on the fine structure and construction of setae and its behaviour in culture. The CT16ED strain was compared with other strains we isolated from the species type locality (Ostend Harbour, North Sea) by sequencing a fragment of the nuclear ribosomal DNA (rDNA) spanning from the 18S rDNA to the D3 region of the 28S rDNA, and the plastid <i>rbc</i>L gene that codes the large RuBisCO subunit. Based on the literature and the available sequence data, the analysed strains were similar to <i>C. tenuissimus</i> but the phylogenetic analysis indicated a <i>C. tenuissimus</i> species complex that contained several clades, therefore the current taxonomic status of <i>C. tenuissimus</i> is discussed. The comparison with the available rDNA and <i>rbc</i>L sequencing data of strains assigned to species considered as synonyms of <i>C. tenuissimus</i>, including <i>Chaetoceros simplex</i> var. <i>calcitrans, Chaetoceros calcitrans</i> and <i>Chaetoceros calcitrans</i> f. <i>pumilus</i>, suggested that these taxa are paraphyletic within the genus <i>Chaetoceros</i>.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Insight into the morphology and genetic diversity of the <i>Chaetoceros tenuissimus</i> (Bacillariophyta) species complex","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-26 01:32:10.875685","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"cell division, internal transcribed spacer (ITS), morphology, phylogeny, rDNA, ultrastructure","OtherDescriptors":null,"Notes":null,"AnaPub":2022,"MonPub":null,"DateUpdate":"2023-01-09","DateCreate":"2022-08-29","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000764932700001","VABBcode":null,"OpenAcc":0,"DOI":"10.1080/09670262.2022.2029949"},"refs":null,"anarec":{"AnaID":355226,"PubliDate":2022,"Pagination":"507-525","XtraPublOfAnaID":null,"ISBN":null,"Volume":"57","Issue":"4","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42675,"SerRR":"European Journal of Phycology. 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