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Publications (33)
The brown bear (Ursus arctos L., 1758) is a widespread bear species inhabiting the forest zone of Eurasia, including the Republic of Yakutia. The association with forest habitats explains why the Pleistocene findings of U. arctos fossils are rare in the northern part of Eastern Siberia, where open steppe-tundra and steppefied landscapes prevailed d...
A spore-pollen research of the contents of the gastrointestinal tracts and sediments containing frozen mummies of the fossil Don hare, discovered in the sediments of the Upper Pleistocene ice complex in the Verkhoyansk region of Yakutia, was carried out for the first time. Radiocarbon dating (C14) revealed that the found hares lived during the Karg...
A spore and pollen research was performed for the first time to study the contents of the gastrointestinal tracts (GITs) and sediments containing frozen mummies of the fossil Don hare from the Upper Pleistocene ice complex of the Verkhoyansk district of Yakutia. Radiocarbon dating (C14) revealed that the hares lived during the Karginian Interstadia...
Изучено строение и свойства отложений крупнейшей регрессивной термоденудационной котловины «Батагай». Стратиграфическая последовательность многолетнемерзлых отложений, предположительно непрерывно накоплена за период среднего-позднего неоплейстоцена (~700-11 тыс. лет назад) и частично трансформирована в течение голоцена. На основе палеопочвенных, па...
Ancient environmental samples, including permafrost soils and frozen animal remains, represent an archive with microbial communities that have barely been explored. This yet unexplored microbial world is a genetic resource that may provide us with new evolutionary insights into recent genomic changes, as well as novel metabolic pathways and chemist...
We give a technological and typological description of two well-preserved points (one fragmented rod-shaped, the other double-slotted), made of mammoth ivory and found in the Ust-Yansky District of Sakha-Yakutia in 2016. Traces evidencing various stages of manufacture are described in detail. A succession of technological operations is reconstructe...
This work presents a histological analysis of adipose, muscle, cartilaginous tissue, walls of blood vessels and tendons of the Malolyakhovsky mammoth, found on the island of Maly Lyakhovsky of the New Siberian archipelago in 2012, for signs of preservation and stability of tissue structures to permafrost conditions. We have also performed a compara...
Приводится морфологическое описание уникальной находки субфоссильного бурого медведя (Ursus arctos L., 1758) – его замороженной мумии, найденной впервые в истории. Находка представляет из себя хорошо сохранившуюся тушу зверя возрастом около 3.5 тысяч лет. Обсуждаются результаты исследования медведя методами компьютерной томографии и анализа ДНК.
A morphological description is provided for a unique find of a frozen mummified subfossil brown bear (Ursus arctos L., 1758), found for the first time ever. The find is a well-preserved bear carcass of approximately 3500 years in age. Results of computed tomography and DNA testing are discussed.
Extinct woolly rhinoceroses were iconic representatives of the Late Pleistocene mammoth fauna of Eurasia. These animals were characterized by two huge keratinous horns. In adults, the length of the nasal horn often exceeded one meter. The nasal horn of Coelodonta was characterized by an unusual feature for rhinoceroses—the width of its base was con...
Aim. To investigate the potential for searching new virulent bacteriophages in the paleontological material extracted from the permafrost zone.
Material and methods. The virome structure of the colon content of the wolf pup mummy ( Canis lupus ) from the late Pleistocene was evaluated by means of shotgun metagenomic sequencing.
Results. The study d...
Paleoclimatic changes during the Pleistocene-Holocene transition is suggested as a main factor that led to species extinction, including the woolly mammoth (Mammuthus primigenius), Steller's sea cow (Hydrodamalis gigas) and the Don-hare (Lepus tanaiticus). These species inhabited the territory of Eurasia during the Holocene, but eventually went ext...
В статье представлены результаты комплексного исследования изделий из бивня мамонта (фрагментированный стержневой и двухпазовый наконечники) хорошей сохранности, найденных в 2016 г. на территории Усть-Янского р-на Республики Саха (Якутия). Дается технико-типологическая характеристика предметов. Приводится детальное описание всех зафиксированных на...
Ancient microbial communities of permafrost soils and frozen animal remains represent an archive that has barely been explored. This yet unexplored microbial world is a vast resource that can provide us with new evolutionary insights, metabolic pathways and novel chemistry. Here, we reveal that Actinobacteria isolated from a faecal sample from the...
Significant palaeoecological and paleoclimatic changes that took place during Late Pleistocene—Early Holocene transition are considered important factors that led to megafauna extinctions. Unlike many other species, the brown bear (Ursus arctos) has survived this geological time. Despite the fact that several mitochondrial DNA clades of brown bears...
The present phylogeographic pattern of red deer in Eurasia is not only a result of the contraction of their distribution range into glacial refugia and postglacial expansion, but probably also an effect of replacement of some red deer s.l. mtDNA lineages by others during the last 50 000 years. To better recognize this process, we analysed 501 seque...
The genus Serratia are opportunistic bacteria widely spread in
natural environment. At the same time, this bacterial genus consists of the species
associated with outbreaks of nosocomial infections. Serratia species are found in
extreme habitats, but pathogenic potential of polyextremophilic strains in this
genus remains unexplored. The aim of this...
The Kolyma region is historically famous for the unique finds of large Pleistocene fauna, yet, until very recently, absent of the time‐corresponding occupation sites. Quaternary geology and palaeontology investigations (2013–2019) in the middle reaches of the Kolyma River (NE Yakutia) have delivered new evidence on the Last Glacial (MIS 4–2) to Ear...
New finds of the fossil brown bear (Ursus arctos L., 1758) remains from the territory of Yakutia have been investigated: skulls and mandibular bones. The new finds are of exceptionally large sizes, most of their measurements far exceed those of not only the modern brown bear from Yakutia, but also the maximum values of the largest representatives o...
New finds of brown bear (Ursus arctos L., 1758) fossil remains from the territory of Yakutia, namely, skulls and mandibular bones, have been investigated. The new finds are exceptionally large: most dimensions of these specimens exceed those of the present-day brown bears of Yakutia and even the maximal parameters of the largest individuals of the...
The Yana River basin is one of the most promising regions in the world in terms of fossil remains of the mammoth fauna animals. Most of the frozen remains of mammoths, ancient bison, horses and others unique paleontological objects have been found in the Yana River basin and on its border territory. The study of the remains, carried out by an inter...
A partial carcass of an adult woolly mammoth (Mammuthus primigenius) found in 2012 on Maly Lyakhovsky Island presents a new opportunity to retrieve associated anatomical, morphological, and life history data on this important component of Pleistocene biotas. In addition, we address hematological, histological, and microbiological issues that relate...
