Kansodinium gen. nov. and Durinskia gen. nov.: two genera of freshwater dinoflagellates (Pyrrhophyta)

Carty, Susan; Cox, Elenor R.

doi:10.2216/i0031-8884-25-2-197.1

Cited by 30 publications

(38 citation statements)

References 3 publications

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“…The dinoflagellate species included in this chloroplast type correspond with those described as bearing diatom endosymbionts: Durinskia baltica (= Peri- dinium balticum) (Withers et al 1977, Carty & Cox 1986 and Kryptoperidinium foliaceum (Jeffrey & Vesk 1976, Kite et al 1988. Chl c 1 is the dominant chl c pigment in K. foliaceum and D. baltica; such a feature is also characteristic of Pavlova spp.…”

Section: Durinskia and Kryptoperidinium: Chloroplast Typementioning

confidence: 89%

Pigment-based chloroplast types in dinoflagellates

Zapata¹,

Fraga²,

Rodrı́guez

et al. 2012

Mar. Ecol. Prog. Ser.

118

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Section: Durinskia and Kryptoperidinium: Chloroplast Typementioning

confidence: 89%

Pigment-based chloroplast types in dinoflagellates

Zapata¹,

Fraga²,

Rodrı́guez

et al. 2012

Mar. Ecol. Prog. Ser.

118

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“…The dinoflagellates with a diatom endosymbiont are in a gray square rinskia, D. baltica, which is also well known as a diatom-harboring dinoflagellate . The genus Durinsika was established by Carty and Cox (1986) to accommodate Peridinium balticum. They removed D. baltica from the genus Peridinium on the basis of combined differences of epithecal plate number, cingular and sulcal plate arrangements, and plate ornamentation (Carty and Cox 1986).…”

Section: Discussionmentioning

confidence: 99%

“…The genus Durinsika was established by Carty and Cox (1986) to accommodate Peridinium balticum. They removed D. baltica from the genus Peridinium on the basis of combined differences of epithecal plate number, cingular and sulcal plate arrangements, and plate ornamentation (Carty and Cox 1986). According to Carty and Cox (1986), although both P. cinctum (type species of the genus) and D. baltica have five cingular plates, the arrangement is different-the cingular plates are aligned with the postcingular plates in P. cinctum, and are irregularly disposed in D. baltica.…”

Section: Discussionmentioning

confidence: 99%

Description of a new dinoflagellate with a diatom endosymbiont, Durinskia capensis sp. nov. (Peridiniales, Dinophyceae) from South Africa

2006

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A new dinoflagellate Durinskia capensis Pienaar, Sakai et Horiguchi sp. nov. (Peridiniales, Dinophyceae), from tidal pools along the west coast of the Cape Peninsula, Republic of South Africa, is described. The dinoflagellate produces characteristic dense orange-red colored blooms in tidal pools. The organism is characterized by having a eukaryotic endosymbiotic alga. Ultrastructure study revealed the organism has a cellular construction similar to that of other diatom-harboring dinoflagellates. The cell is thecate and the plate formula is: Po, x, 4', 2a, 6'', 5c, 4s, 5''', 2'''', which is the same as that of Durinskia baltica, the type species of the genus Durinskia. D. capensis can, however, be distinguished from D. baltica by overall cell shape, the relative size of the 1a and 2a plates, the degree of cingular displacement, and the shape of the eyespot. Our molecular analysis based on SSU rDNA revealed that D. capensis is closely allied to D. baltica, thus supporting the assignment of this new species to this genus. This Durinskia clade takes a sister position to another diatom-harboring dinoflagellate clade, which includes Kryptoperidinium foliaceum and Galeidinium rugatum. Molecular analysis based on the rbcL gene sequence and ultrastructure study revealed that the endosymbiont of D. capensis is a diatom. The SSU rDNA gene trees indicated that four species with a diatom endosymbiont formed a clade, suggesting a single endosymbiotic origin.

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“…The recently desribed D. capensis Pienaar, Sakai et Horiguchi, which was found in tidal pools, differs from the aforementioned species by a displaced cingulum, partly visible sa-plate and a relatively large 1a-plate (Pienaar et al 2007). Carty & Cox (1986) …”

Section: Durinskia Occulata (Stein) Gert Hansen Et Flaim Comb Nov (mentioning

confidence: 99%