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Updated: Aug 26, 2025

An Aquatic Microbial Metaproteomics Workflow: From Cells to Tryptic Peptides Suitable for Tandem Mass Spectrometry-based Analysis
Published on: September 15, 2015
High molecular diversity in the functional group of small bacterivorous non-scaled chrysomonad flagellates
Tobias Pietsch1, Frank Nitsche1, Hartmut Arndt1
1Department of General Ecology, Institute of Zoology, Biocenter Cologne, University of Cologne, Zuelpicher Straße 47b, D-50674 Cologne, Germany.
Abstract:
"Spumella"-like flagellates describes similar or even indiscernible colourless non-scaled chrysophytes which are important bacterivores common in different aquatic ecosystems. Recently, phylogenetic analyses revealed a high taxonomic diversity of these flagellates leading to the description of several new genera and species. Our present work on the functional group of pelagic bacterivorous chrysomonads from different water bodies resulted in an extended taxonomic analysis among chrysophytes unveiling yet undescribed genera and species pointing to the high hidden diversity of bacterivores in the pelagial of freshwaters. On the basis of phylogenetic analyses, we describe four new genera Atacamaspumella, Chlorospumella, Pseudapoikia, and Vivaspumella and a new species of the recently described genus Poteriospumella. Beside this, we redescribe the species Ochromonas vasocystis Doflein, 1923 to Poteriospumella vasocystis comb. nov. substantiated on the high sequence similarity with Poteriospumella lacustris Boenigk et Findenig and Poteriospumella maldiviensis nov. sp.
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