{"refrec":{"BRefID":107705,"RR":"<b>Sarno, D.; Kooistra, W.H.C.F.; Balzano, S.; Hargraves, P.E.; Zingone, A.</b> (2007). Diversity in the genus <i>Skeletonema</i> (Bacillariophyceae): III. Phylogenetic position and morphological variability of <i>Skeletonema costatum</i> and <i>Skeletonema grevillei</i>, with the description of <i>Skeletonema ardens</i> sp. nov. <i>J. Phycol. 43(1)</i>: 156-170. <a href=\"https://dx.doi.org/10.1111/j.1529-8817.2006.00305.x\" target=\"_blank\">https://dx.doi.org/10.1111/j.1529-8817.2006.00305.x</a>","BEntID":102527,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":" <i>J. Phycol. 43(1)</i>: 156-170. <a href=\"https://dx.doi.org/10.1111/j.1529-8817.2006.00305.x\" target=\"_blank\">https://dx.doi.org/10.1111/j.1529-8817.2006.00305.x</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Sarno, D.; Kooistra, W.H.C.F.; Balzano, S.; Hargraves, P.E.; Zingone, A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Sarno, D. <i>et al.</i>","Englishabstract":"<i>Skeletonema costatum</i> (Grev.) Cleve emend. Zingone et Sarno and S. grevillei Sarno et Zingone were known only from the type material collected from Hong Kong waters more than a century ago. Both species have now been collected as live material, and their morphology and phylogenetic position are investigated in this study. Eight Skeletonema strains isolated from Florida, USA; Uruguay; and Brazil are attributed to <i>S. costatum</i>, while one strain from Oman is ascribed to <i>S. grevillei</i> based on morphological similarity to the type material of these species. In addition, a new Skeletonema species, <i>S. ardens</i> Sarno et Zingone, is described for a strain from Singapore and two from northern Australian waters. Skeletonema ardens has terminal fultoportula processes ending in a tapered, undulate protrusion and long intercalary fultoportulae with 1:1 junctions. The rimoportula of terminal valves is located at the margin of the valve face. No major morphological variations were observed within <i>S. grevillei</i> and <i>S. ardens</i> along a salinity gradient, whereas in <i>S. costatum</i>, the processes shortened and the valves came into close contact at low salinities, as already described for <i>S. subsalsum</i> (Cleve) Bethge. Consistent with their morphology, <i>Skeletonema costatum</i> and <i>Skeletonema subsalsum</i> also had similar rDNA sequences. <i>Skeletonema grevillei</i> and <i>S. ardens</i> were distinct in the large subunit (LSU) phylogeny. <i>Skeletonema ardens</i> exhibited consistent intraspecific genetic differences in both the LSU and small subunit (SSU) rDNA.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Diversity in the genus <i>Skeletonema</i> (Bacillariophyceae): III. Phylogenetic position and morphological variability of <i>Skeletonema costatum</i> and <i>Skeletonema grevillei</i>, with the description of <i>Skeletonema ardens</i> sp. nov.","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-20 01:31:44.151099","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2007,"MonPub":null,"DateUpdate":"2007-02-15","DateCreate":"2007-02-15","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000244004300016","VABBcode":null,"OpenAcc":0,"DOI":"10.1111/j.1529-8817.2006.00305.x"},"refs":null,"anarec":{"AnaID":107705,"PubliDate":2007,"Pagination":"156-170","XtraPublOfAnaID":null,"ISBN":null,"Volume":"43","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43251,"SerRR":"Journal of Phycology. Blackwell Science: New York.  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