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Diversity of microbial eukaryotes in sediment at a deep-sea methane cold seep: surveys of ribosomal DNA libraries from raw sediment samples and two enrichment cultures
- K. Takishita, N. Yubuki, Natsuki Kakizoe, Y. Inagaki, T. Maruyama
- Biology, Medicine
- 11 April 2007
Recent culture-independent surveys of eukaryotic small-subunit ribosomal DNA (SSU rDNA) from many environments have unveiled unexpectedly high diversity of microbial eukaryotes (microeukaryotes) at… Expand
Ultrastructure and molecular phylogeny of Calkinsia aureus: cellular identity of a novel clade of deep-sea euglenozoans with epibiotic bacteria
BackgroundThe Euglenozoa is a large group of eukaryotic flagellates with diverse modes of nutrition. The group consists of three main subclades – euglenids, kinetoplastids and diplonemids – that have… Expand
Ultrastructure and molecular phylogenetic position of a novel phagotrophic stramenopile from low oxygen environments: Rictus lutensis gen. et sp. nov. (Bicosoecida, incertae sedis).
A novel free free-living phagotrophic flagellate, Rictus lutensis gen. et sp. nov., with two heterodynamic flagella, a permanent cytostome and a cytopharynx was isolated from muddy, low oxygen… Expand
Ultrastructure and molecular phylogeny of Stephanopogon minuta: an enigmatic microeukaryote from marine interstitial environments.
Although Stephanopogon was described as a putative ciliate more than a century ago, its phylogenetic position within eukaryotes has remained unclear because of an unusual combination of morphological… Expand
Ultrastructure and molecular phylogenetic position of a novel euglenozoan with extrusive episymbiotic bacteria: Bihospites bacati n. gen. et sp. (Symbiontida)
BackgroundPoorly understood but highly diverse microbial communities exist within anoxic and oxygen-depleted marine sediments. These communities often harbour single-celled eukaryotes that form… Expand
Morphostasis in a novel eukaryote illuminates the evolutionary transition from phagotrophy to phototrophy: description of Rapaza viridis n. gen. et sp. (Euglenozoa, Euglenida)
BackgroundMorphostasis of traits in different species is necessary for reconstructing the evolutionary history of complex characters. Studies that place these species into a molecular phylogenetic… Expand
Ultrastructure and Ribosomal RNA Phylogeny of the Free‐Living Heterotrophic Flagellate Dysnectes brevis n. gen., n. sp., a New Member of the Fornicata
- N. Yubuki, Y. Inagaki, T. Nakayama, I. Inouye
- Biology, Medicine
- The Journal of eukaryotic microbiology
- 1 March 2007
ABSTRACT. Dysnectes brevis n. gen., n. sp., a free‐living heterotrophic flagellate that grows under microaerophilic conditions possesses two flagella. The posterior one lies in a ventral feeding… Expand
Re-classification of Pheopolykrikos hartmannii as Polykrikos (Dinophyceae) based partly on the ultrastructure of complex extrusomes.
- M. Hoppenrath, N. Yubuki, T. Bachvaroff, B. Leander
- Biology, Medicine
- European journal of protistology
Athecate, pseudocolony-forming dinoflagellates have been classified within two genera of polykrikoids, Polykrikos and Pheopolykrikos, and different views about the boundaries and composition of these… Expand
Ultrastructure and 18S rDNA phylogeny of Apoikia lindahlii comb. nov. (Chrysophyceae) and its epibiontic protists, Filos agilis gen. et sp. nov. (Bicosoecida) and Nanos amicus gen. et sp. nov.…
Three heterotrophic stramenopiles--Apoikia lindahlii comb. nov. (Chrysophyceae), Filos agilis gen. et sp. nov. (Bicosoecida), and Nanos amicus gen. et sp. nov. (Bicosoecida)--were isolated from… Expand
Evolution of microtubule organizing centers across the tree of eukaryotes.
The architecture of eukaryotic cells is underpinned by complex arrrays of microtubules that stem from an organizing center, referred to as the MTOC. With few exceptions, MTOCs consist of two basal… Expand