Catch me if you can: the taxonomic identity of<i>Scrippsiella trochoidea</i>(F.S<scp>tein</scp>) A.R.L<scp>oebl</scp>. (Thoracosphaeraceae, Dinophyceae)

Zinßmeister, Carmen; Soehner, Sylvia; Facher, Eva; Kirsch, Monika; Meier, K J Sebastian; Gottschling, Marc

doi:10.1080/14772000.2011.586071

Cited by 58 publications

(49 citation statements)

References 35 publications

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“…This has crucial importance, as Scrippsiella acuminata, comb. nov. (Thoracosphaeraceae, Peridiniales) is a member of a species complex comprising many morphologically so far indistinguishable, but genetically differentiated (i.e., 'cryptic') species (Montresor et al 2003, Gottschling et al 2005, Zinssmeister et al 2011, Kretschmann et al 2014. Moreover, minute morphological characters of the species can now be investigated in more detail.…”

Section: Discussionmentioning

confidence: 99%

“…For the preparation of the epitype, cells of the strain GeoB 427 were stained with astra blue (Fluka; Buchs, Switzerland) and eosin (Merck; Darmstadt, Germany) as described in detail previously (Zinssmeister et al 2011, Kretschmann et al 2014). The epitype is deposited at the Centre of Excellence for Dinophyte Taxonomy (CEDiT; Wilhelmshaven, Germany), and copies are held in Botanischer Garten und Botanisches Museum Berlin-Dahlem (B) and Botanische Staatssammlung München (M; see below).…”

Section: Methodsmentioning

confidence: 99%

“…(1976: 25) (Tab. 1), likewise described from the Kiel Fjord and whose taxonomic identity was recently clarified (Zinssmeister et al 2011). Today, S. trochoidea is considered to belong to the Thoracosphaeraceae (Peridiniales) comprising mostly marine dinophytes that produce calcified shells during the coccoid stage of their life history (Elbrächter et al 2008;Gottschling & Soehner 2013).…”

Section: Introductionmentioning

confidence: 99%

“…It is, moreover, morphologically indistinguishable from epitype material of Gl. trochoideum (Zinssmeister et al, 2011) and exhibits the identical sequence of the Internal Transcribed Spacer (GenBank Acc. No.…”

Section: Introductionmentioning

confidence: 99%

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Taxonomic clarification of the dinophyte Peridinium acuminatum Ehrenb., ≡ Scrippsiella acuminata, comb. nov. (Thoracosphaeraceae, Peridiniales)

et al. 2015

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Peridinium acuminatum (Peridiniales, Dinophyceae) was described in the first half of the 19th century, but the name has been rarely adopted since then. It was used as type of Goniodoma, Heteraulacus and Yesevius, providing various sources of nomenclatural and taxonomic confusion. Particularly, several early authors emphasised that the organisms investigated by C.G. Ehrenberg and S.F.N.R. von Stein were not conspecific, but did not perform the necessary taxonomic conclusions. The holotype of P. acuminatum is an illustration dating back to 1834, which makes the determination of the species ambiguous. We collected, isolated, and cultivated Scrippsiella acuminata, comb. nov. (strain GeoB 427) from the type locality off Kiel, Germany (Baltic Sea). We barcoded the species of the Thoracosphaeraceae using rRNA sequences and investigated the morphology of the strain using light and electron microscopy. As taxonomic result, we designate an epitype for Peridinium acuminatum, as no conflict with C.G. Ehrenberg’s protologue can be stated. It is indistinguishable from Scrippsiella trochoidea (likewise described from the Kiel Fjord) that we consider a later heterotypic synonym. Our study contributes to the disentanglement of dinophyte taxonomy in a very challenging case, and we trust that C.G. Ehrenberg and S.F.N.R. von Stein investigated different species under the epithet ‘acuminatum’. The complex nomenclature and taxonomy of Goniodoma, and its type species Goniodoma acuminatum, is discussed in the Electronic Supplement. We consider Pyrrhotriadinium, with the type species Pyrrhotriadinium polyedricum (Gonyaulacales), well suited to harbour all gonyaulacalean taxa so far assigned to Goniodoma and Heteraulacus as well.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Taxonomic clarification of the dinophyte Peridinium acuminatum Ehrenb., ≡ Scrippsiella acuminata, comb. nov. (Thoracosphaeraceae, Peridiniales)

et al. 2015

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“…3. Other taxa not illustrated are the cysts of Scrippsiella trochoidea, a complex of at least six cryptic species (D'Onofrio et al, 1999;Zinssmeister et al, 2011), Protoperidinium and of Diplopsalis. The cysts attributed to the Scrippsiella trochoidea complex were oval, 20-45 μm long and 20-40 μm wide, and surrounded by calcareous spinous processes of variable lengths.…”

Section: Cyst Fluxmentioning

confidence: 99%

Dinoflagellate cysts production in the north-western Adriatic Sea

Bastianini

Totti

Penna³

et al. 2016

Medit. Mar. Sci.

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A sediment trap study was conducted in the Gulf of Venice, north-western Adriatic Sea, from April to December 2005 to assess relationships between planktonic dinoflagellates and cyst production. Every month, CTD profiles and discrete samplings for phytoplankton, nutrients and particulate matter were conducted. Cyst fluxes spanned from 90 to 127,600 cysts m-2 d-1 and major peaks were due to a small cyst attributed to cf. Biecheleria and to calcareous cysts of Scrippsiella trochoidea. A good correspondence between cyst fluxes in sediment traps and the presence of the corresponding vegetative cells in the water column was detected for Lingulodinium polyedrum, and species of the genera Spiniferites,Gonyaulax and Protoperidinium. A PCR method applied to surface sediment samples allowed the identification of a number of potentially harmful dinoflagellate cysts (Alexandrium minutum, A. tamutum, A. taylorii, Lingulodinium polyedrum and Protoceratium reticulatum).

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Scrippsiella acuminata versus Scrippsiella ramonii: A Physiological Comparison

Fagín

Bravo

Garrido³

et al. 2019

Cytometry Pt A

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Scrippsiella is a cosmopolitan dinoflagellate genus that is able to form Harmful Algal Blooms in coastal waters. The large physiological, morphological, and genetic variability that characterizes this genus suggest the existence of cryptic species. In this study, flow cytometric analyses were carried out to compare the cell cycle and life cycle of two Scrippsiella strains from two different species: Scrippsiella ramonii (VGO1053) and Scrippsiella acuminata (S3V). Both species were also investigated by internally transcribed spacer rDNA sequencing and high‐performance liquid chromatography‐based pigment analyses. The reddish‐brown color of S. acuminata and yellowish‐green hue of S. ramonii were consistent with the quantitative differences determined in their pigment profiles. Our results indicate that the cell cycle is light‐controlled and that it differs in the two species. S‐phase was detected during the light period in both, whereas the G2/M phase occurred during the light period in S. ramonii but under dark conditions in S. acuminata. The detection of 4C stages, mobile zygotes (planozygotes), and resting cysts in S. ramonii (nonclonal) provided convincing evidence of sexuality in this species. Sexual related processes were not found in the clonal S. acuminata strain, suggesting its heterothallic behavior (i.e., the need for outcrossing). The differences in the genome size of these species were examined as well. © 2019 The Authors. Cytometry Part A published by Wiley Periodicals, Inc. on behalf of International Society for Advancement of Cytometry.

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Catch me if you can: the taxonomic identity ofScrippsiella trochoidea(F.Stein) A.R.Loebl. (Thoracosphaeraceae, Dinophyceae)

Cited by 58 publications

References 35 publications

Taxonomic clarification of the dinophyte Peridinium acuminatum Ehrenb., ≡ Scrippsiella acuminata, comb. nov. (Thoracosphaeraceae, Peridiniales)

Taxonomic clarification of the dinophyte Peridinium acuminatum Ehrenb., ≡ Scrippsiella acuminata, comb. nov. (Thoracosphaeraceae, Peridiniales)

Dinoflagellate cysts production in the north-western Adriatic Sea

Scrippsiella acuminata versus Scrippsiella ramonii: A Physiological Comparison

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