A5035380364- Protist diversity and phylogeny
- Microbial Community Ecology and Physiology
- Genomics and Phylogenetic Studies
- Methane Hydrates and Related Phenomena
- Wastewater Treatment and Nitrogen Removal
- Marine Toxins and Detection Methods
- Marine and coastal ecosystems
- Environmental DNA in Biodiversity Studies
- Marine Biology and Ecology Research
- Vibrio bacteria research studies
- Lichen and fungal ecology
- Aquatic Invertebrate Ecology and Behavior
- Algal biology and biofuel production
- Parasitic Infections and Diagnostics
- Russian Literature and Bakhtin Studies
- Bacteriophages and microbial interactions
- Insect symbiosis and bacterial influences
- Chemical Reactions and Isotopes
- Spaceflight effects on biology
- Crystallization and Solubility Studies
- Statistical and Computational Modeling
- X-ray Diffraction in Crystallography
- Advanced Scientific Research Methods
- French Literature and Criticism
- Tardigrade Biology and Ecology
North-West Institute of Management
2024
University of Pisa
2014-2023
St Petersburg University
2014-2023
S.I. Vavilov Institute for the History of Science and Technology
2019-2022
Institute of History
2019-2022
Saint Petersburg State University of Economics
2018-2022
University of Stuttgart
1993-2005
Institute of Cytology
1997
University of Münster
1993
ABSTRACT. Studies of intraspecific genetic diversity ciliates, such as population genetics and biogeography, are particularly hampered by the lack suitable DNA markers. For example, sequences non‐coding ribosomal internal transcribed spacer (ITS) regions often too conserved for analyses. We have therefore identified primers mitochondrial cytochrome c oxidase I (COI) gene applied them investigations in Paramecium caudatum multimicronucleatum . Furthermore, we obtained ITS from same strains...
Bacteria of the family Rickettsiaceae have always been largely studied not only for their importance in medical field, but also as model systems evolutionary biology. In fact, they share a recent common ancestor with mitochondria. The most species, belonging to genera Rickettsia and Orientia, are hosted by terrestrial arthropods include many human pathogens. Nevertheless, findings show that large part biodiversity actually resides outside group well-known pathogenic bacteria. Collecting data...
ABSTRACT. Rickettsia ‐like organisms (RLO) are obligate, often highly fastidious, intracellular bacterial parasites associated with a variety of vertebrate and invertebrate hosts. Despite their importance as causative agents severe mortality outbreaks in farmed aquatic species, little is known about life cycle host range. The present work reports the characterization “ Candidatus Cryptoprodotis polytropus,” novel bacterium common ciliate species Pseudomicrothorax dubius by means “Full‐Cycle...
Holospora spp. and "Candidatus Gortzia infectiva", known as Holospora-like bacteria (HLB), are commonly found nuclear endosymbionts of ciliates, especially the Paramecium genus. HLB related by phylogenetic relationships, morphological features, life cycles, which involve two alternating morphotypes: reproductive infectious forms (RF, IF). In this paper we describe a novel species belonging to "Ca. Gortzia" genus, detected in P. multimicronucleatum, ciliate for infection an has not been...
Ciliated protists often form symbioses with many diverse microorganisms. In particular, symbiotic associations between ciliates and green algae, as well intracellular bacteria, are rather wide-spread in nature. this study, we describe the complex system a very rare ciliate, Paramecium chlorelligerum, unicellular algae inhabiting its cytoplasm, novel bacteria colonizing host macronucleus. previously found only twice Germany, was retrieved from location vicinity of St. Petersburg Russia....
Peniculine ciliates have been recognized as a distinct higher taxon of for almost 50 years. However, phylogenetic relationships within the Subclass Peniculia are still unsettled. To contribute to our understanding their phylogeny and provide evidence position Urocentrum turbo, we sequenced its small subunit (SS) rRNA gene SSrRNA genes from Lembadion bullinum, Frontonia sp., Paramecium caudatum, multimicronucleatum, putrinum, woodruffi. turbo was only one these species not exhibit shortened...
ABSTRACT. A new microsporidian species, Euplotespora binucleata n. gen., sp., from the brackish‐water ciliate Euplotes woodruffi is described and defined on basis of life history characteristics, light electron microscopic features, small subunit (SSU) ribosomal DNA (rDNA) sequencing. The cycle E. sp. probably has rather short merogonic relatively long sporogonic phases. Some uninuclear meronts sporonts, along with diplokaryotic sporoblasts spores, were found in experimentally infected host...