{"refrec":{"BRefID":253001,"RR":"<b>Nanjappa, D.; Kooistra, W.H.C.F.; Zingone, A.</b> (2013). A reappraisal of the genus <i>Leptocylindrus</i> (Bacillariophyta), with the addition of three species and the erection of <i>Tenuicylindrus</i> gen. nov. <i>J. Phycol. 49(5)</i>: 917-936. <a href=\"http://dx.doi.org/10.1111/jpy.12102\" target=\"_blank\">dx.doi.org/10.1111/jpy.12102</a>","BEntID":244814,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":null,"RefStringPartII":" <i>J. Phycol. 49(5)</i>: 917-936. <a href=\"https://dx.doi.org/10.1111/jpy.12102\" target=\"_blank\">https://dx.doi.org/10.1111/jpy.12102</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Nanjappa, D.; Kooistra, W.H.C.F.; Zingone, A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Nanjappa, D. <i>et al.</i>","Englishabstract":"Centric diatoms of the genus <i>Leptocylindrus</i> are common in the marine plankton worldwide. Only two species, <i>L. danicus </i>Cleve and <i>L. minimus </i>Gran, so far clearly belong to this genus, whose diversity has not been fully investigated. We investigated frustule and spore morphology as well as three nuclear- and three plastid-encoded markers of 85 <i>Leptocylindrus</i> strains from the Gulf of Naples, and one from the Atlantic US. The strains grouped into five molecularly distinct species with different levels of morphological differentiation. Two species matched the description of <i>L. danicus</i> and produced similar spores but differed in morphometric characters and sub-central pore position, supporting the description of <i>L. hargravesii </i>Nanjappa and Zingone as a distinct species. <i>Leptocylindrus danicus</i> var. <i>apora </i>French III and Hargraves, lacking a sub-central pore and not forming spores, was raised to the species level as <i>L. aporus</i> (French III and Hargraves) Nanjappa and Zingone. A fourth species with convex valves was described as <i>L. convexus </i>Nanjappa and Zingone. The fifth species matched the description of <i>L. belgicus </i>Meunier, considered as synonym of <i>L. minimus</i>. However, ultrastructural differences from all other <i>Leptocylindrus</i> supported the erection of the genus <i>Tenuicylindrus </i>Nanjappa and Zingone with <i>T. belgicus</i> (Meunier) Nanjappa and Zingone as type species. None of the sequences matched the <i>L. minimus</i> sequence in GenBank. The species analyzed showed different or partially overlapping seasonal distributions. Despite the addition of the new taxa, the ancient diatom lineage of the Leptocylindraceae shows a relative species poorness and considerable morphological stasis.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"A reappraisal of the genus <i>Leptocylindrus</i> (Bacillariophyta), with the addition of three species and the erection of <i>Tenuicylindrus</i> gen. nov.","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:01.897972","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Diatom; Gulf of Naples; Leptocylindrus; LTER-MC; morphology; phylogeny;resting stages; taxonomy; Tenuicylindrus","OtherDescriptors":null,"Notes":null,"AnaPub":2013,"MonPub":null,"DateUpdate":"2016-02-18","DateCreate":"2016-02-16","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000327899700011","VABBcode":null,"OpenAcc":0,"DOI":"10.1111/jpy.12102"},"refs":null,"anarec":{"AnaID":253001,"PubliDate":2013,"Pagination":"917-936","XtraPublOfAnaID":null,"ISBN":null,"Volume":"49","Issue":"5","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43251,"SerRR":"Journal of Phycology. 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