Pseudotetraëdriella kamillae

Taxonomy and ecology of a new member of the algal class Eustigmatophyceae (Stramenopiles)

Eberhard Hegewald, J. Padisák, Thomas Friedl

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

A new family Loboceae E. Hegewald, a new genus Pseudotetraëdriella E. Hegewald, and a new species Pseudotetraëdriella kamillae E. Hegewald et J. Padisák are described. The species differs markedly from the described species with tetralobular/quadrangular shape like Tetraëdron (Chlorophyta) or Tetraëdriella (Xanthophyceae); differences to other morphologically similar species (Tetraëdron minimum f. brachiata Printz, T. minimum f. tetralobulatum Reinsch, T. minutissimum Korsh., T. mediocris Hindák, T. quadrilobatum G. M. Smith, T. regulare Kützing, Tetraëdriella jovetii (Bourr.) Bourr. (=Pseudostaurastrum jovetii Bourr., Polyedrium minimum f. tetralobula Reinsch) are discussed. 18S rDNA sequence analyses demonstrated its close relationship with a morphologically different, aerophytic species, Monodopsis subterranea, within the class Eustigmatophyceae (Heterokontophyta). Pseudotetraëdriella kamillae is typically occurring in the cold season (autumn-winter-spring), commonly in small amounts. Quantitative data from the stratifying, oligotrophic Lake Stechlin, N. Germany show that the population growths in the early spring isothermal period with an estimated doubling time of 46 days. Being a non-motile species, its abundance falls below detection level during the stratification period. In the period 1995-2002 with weekly-biweekly sampling its maximum abundance was recorded as 2.24 μg L-1, corresponding to 0.41% of total biomass.

Original languageEnglish
Pages (from-to)107-116
Number of pages10
JournalHydrobiologia
Volume586
Issue number1
DOIs
Publication statusPublished - Jul 2007

Fingerprint

Eustigmatophyceae
Taxonomies
Ecology
Lakes
Biomass
Xanthophyceae
Sampling
ecology
taxonomy
cold season
new family
Chlorophyta
new genus
population growth
Germany
autumn
lakes
winter
new species
biomass

Keywords

  • 18S rDNA
  • Eustigmatophyceae
  • Loboceae
  • Morphology
  • New taxon
  • Pseudotetraëdriella
  • Strains
  • Taxonomy

ASJC Scopus subject areas

  • Aquatic Science
  • Oceanography
  • Environmental Science(all)
  • Pollution
  • Water Science and Technology

Cite this

Pseudotetraëdriella kamillae : Taxonomy and ecology of a new member of the algal class Eustigmatophyceae (Stramenopiles). / Hegewald, Eberhard; Padisák, J.; Friedl, Thomas.

In: Hydrobiologia, Vol. 586, No. 1, 07.2007, p. 107-116.

Research output: Contribution to journalArticle

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abstract = "A new family Loboceae E. Hegewald, a new genus Pseudotetra{\"e}driella E. Hegewald, and a new species Pseudotetra{\"e}driella kamillae E. Hegewald et J. Padis{\'a}k are described. The species differs markedly from the described species with tetralobular/quadrangular shape like Tetra{\"e}dron (Chlorophyta) or Tetra{\"e}driella (Xanthophyceae); differences to other morphologically similar species (Tetra{\"e}dron minimum f. brachiata Printz, T. minimum f. tetralobulatum Reinsch, T. minutissimum Korsh., T. mediocris Hind{\'a}k, T. quadrilobatum G. M. Smith, T. regulare K{\"u}tzing, Tetra{\"e}driella jovetii (Bourr.) Bourr. (=Pseudostaurastrum jovetii Bourr., Polyedrium minimum f. tetralobula Reinsch) are discussed. 18S rDNA sequence analyses demonstrated its close relationship with a morphologically different, aerophytic species, Monodopsis subterranea, within the class Eustigmatophyceae (Heterokontophyta). Pseudotetra{\"e}driella kamillae is typically occurring in the cold season (autumn-winter-spring), commonly in small amounts. Quantitative data from the stratifying, oligotrophic Lake Stechlin, N. Germany show that the population growths in the early spring isothermal period with an estimated doubling time of 46 days. Being a non-motile species, its abundance falls below detection level during the stratification period. In the period 1995-2002 with weekly-biweekly sampling its maximum abundance was recorded as 2.24 μg L-1, corresponding to 0.41{\%} of total biomass.",
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