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Morphological evidence for vertical transmission of symbiotic bacteria in the viviparous sponge Halisarca dujardini Johnston (Porifera, Demospongiae, Halisarcida)
All stages of vertical transmission of symbiotic bacteria, from the penetration into oocytes to the formation of rhagon, were investigated in the White Sea (Arctic) representatives of Halisarca…
Gall mite Fragariocoptes setiger (Eriophyoidea) changes leaf developmental program and regulates gene expression in the leaf tissues of Fragaria viridis (Rosaceae)
The interaction of plants with certain types of parasites leads to the formation of galls, organised structures that create the habitat of the parasite, caused by an abnormal proliferation of host…
Monoblepharidomycetes diversity includes new parasitic and saprotrophic species with highly intronized rDNA.
Two new genera are established, Sanchytrium and Telasphaerula, each with a single species and significantly expand the known morphological and ecological diversity of the Monoblepharidomycetes by adding a monocentric, epibiotic, algal parasitic species and a rhizomycelial, saprotrophic species.
A new species of the genus Oscarella (Porifera: Homosclerophorida: Plakinidae) from the North-West Pacific
La nouvelle espece du genre Oscarella (Porifera): clairement de toutes les Oscarella spp.
CLSM anatomy of internal genitalia of Mackiella reclinata n. sp. and systematic remarks on eriophyoid mites from the tribe Mackiellini Keifer, 1946 (Eriophyoidea: Phytoptidae).
The incompletely described mite species Mackiella borasis Mohanasundaram, 1981 does not conform to the diagnosis of Mackielline and herein is transferred to the subfamily Phytoptinae incertae sedis.
Bacterial symbionts as an additional cytological marker for identification of sponges without a skeleton
Symbiotic bacteria from six Oscarella species (adults and embryos) collected in the Mediterranean Sea and the Sea of Japan were investigated, finding two types of bacteria have traits of Archaea and one type of bacteria is similar to Planctomycetes.
Supplementary description of Novophytoptus stipae Keifer 1962 (Acariformes, Eriophyoidea) with LT-SEM observation on mites from putatively conspecific populations: cryptic speciation or polyphagy of…
- P. Chetverikov, J. Amrine, G. Bauchan, R. Ochoa, S. Sukhareva, A. Vishnyakov
- BiologySystematic and Applied Acarology
- 24 January 2017
Findings emphasize peculiarities of novophytoptines in relation to their endoparasitic life style and underline numerous gaps in knowledge on anatomy and functioning of the organism of eriophyoid mites.
The Chytrid-like Parasites of Algae Amoeboradix gromovi gen. et sp. nov. and Sanchytrium tribonematis Belong to a New Fungal Lineage.
Molecular phylogenetic analyses revealed that A. gromovi is closely related to the recently described species Sanchytrium tribonematis, another parasite of Tribonema that had been tentatively classified within Monoblepharidomycetes, but phylogenetic analysis with an extended taxon sampling did not show any particular affinity of Amoeboradix and SanChytrium with described fungal taxa.
Parasitoid chytridiomycete Ericiomyces syringoforeus gen. et sp. nov. has unique cellular structures to infect the host
A novel chytridiomycete genus and species, characterized by light microscopical observations, ultrastructure, and molecular phylogenetic analysis of the parasitic Chytrid of brackish-water dinoflagellate Kryptoperidinium foliaceum from the Baltic Sea, and revealed at least two unique traits: the syringe-like organelle in the cyst and funnel-shaped structure anchoring sporangium in the host wall.
Kinetid Structure of Aphelidium and Paraphelidium (Aphelida) Suggests the Features of the Common Ancestor of Fungi and Opisthosporidia
- S. Karpov, Victoria S Cvetkova, Nataliia V Annenkova, A. Vishnyakov
- Biology, MedicineThe Journal of eukaryotic microbiology
- 1 November 2019
The kinetid‐mitochondrion connection found in Aphelidium and Paraphelidium is rare for opisthokonts in general, but present in the most basal branches of Fungi and Opisthosporidia, suggesting that this connection represents an ancestral character for both these phyla.