The fauna of endobiotic ciliates of the rumen of the European bison Bison bonasus from the Vologda oblast of Russia was investigated. In the studied bisons, 12 species of trichostomatids (Trichostomatia, Litostomatea) were found, ten of which were from the family Ophryoscolecidae and two species were from the family Isotrichidae. A high similarity of ciliate faunas in the rumen of different bison individuals in the studied population was noted. A comparative analysis of data on the species diversity and number of endobiotic ciliates in the rumen of various representatives of the genus Bison from different habitats was carried out.
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http://dx.doi.org/10.1134/S001249662370045X | DOI Listing |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10748764 | PMC |
ISME J
January 2024
Department of Zoology, Faculty of Science, Charles University, Viničná 7, 128 00 Prague 2, Czech Republic.
The association between anaerobic ciliates and methanogenic archaea has been recognized for over a century. Nevertheless, knowledge of these associations is limited to a few ciliate species, and so the identification of patterns of host-symbiont specificity has been largely speculative. In this study, we integrated microscopy and genetic identification to survey the methanogenic symbionts of 32 free-living anaerobic ciliate species, mainly from the order Metopida.
View Article and Find Full Text PDFDokl Biol Sci
December 2023
Emelianov North-Western Research Institute of Dairy and Meadow Pasture Farming, Vologda Research Center of the Russian Academy of Sciences, Vologda, Russia.
Mol Phylogenet Evol
February 2024
Department of Zoology, Faculty of Science, Charles University, Prague 128 00, Czech Republic. Electronic address:
Anaerobes have emerged in several major lineages of ciliates, but the number of independent transitions to anaerobiosis among ciliates is unknown. The APM clade (Armophorea, Muranotrichea, Parablepharismea) represents the largest clade of obligate anaerobes among ciliates and contains free-living marine and freshwater representatives as well as gut endobionts of animals. The evolution of APM group has only recently started getting attention, and our knowledge on its phylogeny and genetics is still limited to a fraction of taxa.
View Article and Find Full Text PDFProtist
December 2023
Laboratory of Parasitic Worms and Protists, Zoological Institute RAS, St. Petersburg 199034, Russia.
Ciliates Infundibulorium cameli from the faeces of the free-ranging dromedary from Oman were studied using a set of methods of the light and immunofluorescence microscopy and molecular phylogeny. With the use of molecular genetic methods, it was confirmed that the cysts found in the samples simultaneously with trophozoites actually belong to the species I. cameli.
View Article and Find Full Text PDFDokl Biol Sci
August 2023
Emelianov North-Western Research Institute of Dairy and Meadow Pasture Farming, Vologda Research Center of the Russian Academy of Sciences, Vologda, Russia.
The fauna of endobiotic ciliates of the rumen of the European bison Bison bonasus from the Vologda oblast of Russia was investigated. In the studied bisons, 12 species of trichostomatids (Trichostomatia, Litostomatea) were found, ten of which were from the family Ophryoscolecidae and two species were from the family Isotrichidae. A high similarity of ciliate faunas in the rumen of different bison individuals in the studied population was noted.
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