Results 11 to 20 of about 5,561 (227)

Lateral gene transfer leaves lasting traces in Rhizaria

bioRxiv, 2023
Eukaryotic lineages acquire numerous prokaryotic genes via lateral gene transfer (LGT). However, LGT in eukaryotes holds many unknowns, especially its frequency, its long-term impact, and the importance of eukaryote-to-eukaryote LGT.
van Hooff JJ, Eme L.
europepmc   +3 more sources

The Vampyrellid Amoebae (Vampyrellida, Rhizaria).

Protist, 2021
The Vampyrellida (Endomyxa, Rhizaria) is a group of free-living, predatory amoebae, which is most closely related to the Phytomyxea (plasmodiophorids and phagomyxids).
Sebastian Hess, Andreas Suthaus
semanticscholar   +3 more sources

Different Elemental Compositions and Potential Functions of Vacuoles in Bolivina spissa (Foraminifera, Rhizaria) Based on Cryo-SEM-EDS Analyses. [PDF]

J Eukaryot Microbiol
Benthic Foraminifera exhibit diverse adaptations to low oxygen (O2) environments, including denitrification, a rare trait among eukaryotes. Denitrifying species store intracellular nitrate (NO3−), possibly within vacuoles, and contribute significantly to
Richirt J, Okada S, Ishitani Y, Glock N, Uematsu K, Nomaki H.   +5 more
europepmc   +2 more sources

An Integrative Taxonomic Survey of Benthic Foraminiferal Species (Protista, Rhizaria) from the Eastern Clarion-Clipperton Zone

Journal of Marine Science and Engineering, 2023
The abyssal Pacific Clarion Clipperton Zone (CCZ) hosts vast, commercially valuable seafloor deposits of polymetallic nodules. Foraminifera (testate protists) dominate benthic communities in this region.
Oceanne E. Himmighofen, Maria Holzmann, Inés Barrenechea-Angeles, Jan Pawlowski, Andrew J. Gooday   +4 more
doaj   +2 more sources

Evolution of Rhizaria: new insights from phylogenomic analysis of uncultivated protists [PDF]

BMC Evolutionary Biology, 2010
Background Recent phylogenomic analyses have revolutionized our view of eukaryote evolution by revealing unexpected relationships between and within the eukaryotic supergroups.
Bulman Simon, Matz Mikhail V, Aglyamova Galina V, Kudryavtsev Alexander, Burki Fabien, Fiers Mark, Keeling Patrick J, Pawlowski Jan   +7 more
doaj   +6 more sources

Katarium polorum n. sp., n. g., a novel thecofilosean amoeba (Cercozoa, Rhizaria) from the polar oceans. [PDF]

J Eukaryot Microbiol
Thecate amoebae play important roles in terrestrial and aquatic ecosystems. This study introduces a novel thecofilosean amoeba from Arctic and Antarctic sea sediments.
Solbach MD, Bonkowski M, Dumack K.
europepmc   +2 more sources

Psammophaga secriensia sp. nov., a New Monothalamid Foraminifera (Protista, Rhizaria) from the Romanian Black Sea Shelf

Journal of Marine Science and Engineering, 2023
Based on molecular and morphological characters, we describe a new species of monothalamous foraminifera, Psammophaga secriensia sp. nov., that was sampled from two coastal locations (48 m and 53 m depth) on the Romanian Black Sea continental shelf ...
Ana Bianca Pavel, Sylvain Kreuter, Maria Holzmann, Alin Enache, Rozalia Motoc, Jan Pawlowski   +5 more
doaj   +2 more sources

Micro- and nanometric characterization of the celestite skeleton of acantharian species (Radiolaria, Rhizaria) [PDF]

Scientific Reports, 2022
We clarified the specific micrometric arrangement and nanometric structure of the radiolarian crystalline spines that are not a simple single crystal. A body of the celestite (SrSO4) skeleton of acantharian Acanthometra cf.
Rina Fujimaki, Noritoshi Suzuki, Katsunori Kimoto, Yukiko Nagai, Yuya Oaki, Shinji Shimode, Takashi Toyofuku, Hiroaki Imai   +7 more
doaj   +4 more sources

Molecular data reallocates Sorosphaerula radicalis (Plasmodiophorida, Phytomyxea, Rhizaria) to the genus Hillenburgia

Journal of Eukaryotic Microbiology, 2022
This study reports the first record of Sorosphaerula radicalis (Phytomyxea, Rhizaria) in continental Europe (Tirol, Austria) and provides first molecular data for this species. An 18S rRNA phylogeny placed S. radicalis into the Plasmodiophorida, although
M. Hittorf, M. Kirchmair, A. Garvetto, S. Neuhauser   +3 more
semanticscholar   +3 more sources

Phagocytosis underpins the biotrophic lifestyle of intracellular parasites in the class Phytomyxea (Rhizaria)

New Phytologist, 2022
Phagocytosis is a complex multi-gene trait of eukaryotes and allegedly one of the very defining features of this group. Although well documented for free-living unicellular eukaryotes and in specific cellular types of animals, data on phagocytosis in ...
A. Garvetto, P. Murúa, M. Kirchmair, W. Salvenmoser, M. Hittorf, Stefan Ciaghi, Srilakshmy L. Harikrishnan, C. Gachon, J. Burns, S. Neuhauser   +9 more
semanticscholar   +3 more sources