Ecological Situation on the Tyuleniy Island in the Okhotsk Sea (2015): Population Interactions Between Pinnipeds, Birds, Ixodidae Ticks and Viruses

Shchelkanov, M. Yu.; Galkina, I. V.; Ananiev, V. Yu.; Samarsky, S. S.; Lienho, V. Yu.; Dedkov, Vladimir G.; Safonova, Marina V.; Orekhov, V. E.; Щелканов, Е. М.; Alekseev, Alexander; Shestopalov, А. М.; Pitruk, D. L.; Serkov, V. M.

doi:10.18470/1992-1098-2017-1-30-43

Cited by 4 publications

(1 citation statement)

References 6 publications

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“…Эти же укрытия используют затем грызуны, а напитавшиеся иксодиды могут содержать вирус по крайней мере в кишечнике (поскольку факт биологической трансмиссии RNDV не установлен). Косвенно в пользу этой гипотезы свидетельствует отсутствие коронавирусов среди штаммов, изолированных от I. uriae на небольших лишенных пресной воды островах, где грызуны отсутствуют [9,73,104].…”

unclassified

History of investigation and current classification of coronaviruses (Nidovirales: Coronaviridae)

Shchelkanov

Popova

Dedkov

et al. 2020

Russian Journal of Infection and Immunity

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Резюме. Возникшая на рубеже 2019-2020 гг. сначала в г. Ухань (китайской провинции Хубэй) и распространившаяся затем во многие страны мира эпидемия COVID-19 (Coronavirus disease 2019), этиологически связанная с вирусом тяжелого острого респираторного синдрома 2 типа (SARS-CoV-2 -Severe acute respiratory syndrome 2), породила новую волну интереса к коронавирусам. Первые коронавирусы -представители семейства Coronaviridae из отряда Nidovirales -были открыты еще в первой половине прошлого века. Первый коронавирус человека, HCoV-B814, был изолирован в 1965 г. и к настоящему времени не сохранился в вирусологических коллекциях. За прошедшее время произошло многократное наслоение устаревших названий. К началу XXI в. коронавирусы представляли серьезную ветеринарную проблему, однако считалось, что эпидемические коронавирусы не относятся к числу особо опасных. Научному сообществу пришлось пересматривать эти представления сначала в 2002 г., когда вирус тяжелого острого респираторного синдрома (SARS-CoV -Severe acute respiratory syndrome-related coronavirus) проник в популяцию людей из популяции летучих мышей в Юго-Восточной Азии, а потом в 2012 г., когда были открыты природные очаги вируса Ближневосточного респираторного синдрома (MERS-CoV -Middle East respiratory syndrome-related coronavirus) на территории Аравийского полуострова. В результате активизации интереса к коронавирусам, в первые два десятилетия XXI в. было открыто большое количество новых представителей Coronaviridae, что потребовало нескольких ревизий таксономической структуры этого семейства. Настоящий обзор посвящен истории изучения коронавирусов и системе их современной классификации, которая сложилась на начало 2020 г. в соответствии с последними рекомендациями Международного Комитета по таксономии вирусов.

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unclassified

History of investigation and current classification of coronaviruses (Nidovirales: Coronaviridae)

Shchelkanov

Popova

Dedkov

et al. 2020

Russian Journal of Infection and Immunity

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Antarctophthirus nevelskoyi n.sp. (Anoplura: Echinophthiriidae) - a new species of parasite of the Northern fur seal (Callorhinus ursinus L., 1758) at Tyuleniy Island, Okhotsk Sea, Russia

Щелканов

Moskvina

2021

Ûg Ross.: èkol. razvit.

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Aim. To perform a morphological study of seal lice (Anoplura: Echinophthiriidae) of the genus Antarctophthirus Enderlein, 1906 taken from Northern fur seals (Callorhinus ursinus L., 1758) at Tyuleniy Island, Okhotsk Sea, Russia).Material and Methods. Seal lice were collected from the nasal passages of Northern fur seal C. ursinus pups during a scheduled ecological and virological expedition to Tyuleniy Island in August 2017. Fourteen samples of seal lice (11 imago males, 1 imago female, 1 nymph of the 2nd age, 1 nymph of the 3-rd age) were stored in 70% ethanol at room temperature from the time of collection until the start of the study. Morphological features of the insects were studied using light and scanning electron microscopy and compared with the available data in the scientific literature.Results. Unique patterns of the arrangement of spines were found in the examined samples that is a sufficient species feature for representatives of this family and allows the identification of a new species of seal lice.Conclusion. A new species of seal lice, Antarctophthirus nevelskoyi n.sp., was identified and described and named after the famous Russian explorer of the Far East, Admiral Gennady Ivanovich Nevelskoy (18131876).

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Reconstruction of epizootic outbreak provoked the largescale death of Rhinoceros auklet on the coast of the Japan Sea in the Southern part of Primorsky Krai (July, 2021)

Дунаева

Pankratov

Surovyi³

et al. 2022

Acta biomedica scientifica

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Introduction. In July 2021, a mass mortality of seabirds of unclear etiology occurred on the coast of the Sea of Japan in the Khasansky district of Primorsky Krai. According to the Department for Protection of Wildlife and Specially Protected Natural Territories of Primorsky Krai, over a thousand dead birds were found on the coast. The main case occurred in the population of birds Rhinoceros auklets (Cerorhinca monocerata, Alcidae), also among the dead birds were found several dozens of gulls (Larus spp.) and terns (Sterna spp.), single individuals of other species. The peak of mortality in bird populations occurred on July 13–17, 2021. This territory is a recreational area, in the summer months a large number of people rest there. The current situation has caused increased attention of the entire scientific community, as well as organizations that protect the citizens health and the environment. The aim. To establish possible etiology of the epizootic outbreak and describe the cause of birds’ death.Materials and methods. Comprehensive examination using classical methods of virology, microbiology and toxicology, as well as the most modern research methods such as MALDI TOF-mass spectrometry and NGS.Conclusion. As a result of the studies, it was determined that the cause of birds’ death was infectious peritonitis with endogenous intoxication syndrome induced by a complex of pathogenic microorganisms, such as enteropathogenic Escherichia coli, Proteus vulgaris, Proteus mirabilis, Proteus pennery, Enterococcus faecalis and Wickerhamomyces anomalus, related to Candida pelliculosa.

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Ecological Situation on the Tyuleniy Island in the Okhotsk Sea (2015): Population Interactions Between Pinnipeds, Birds, Ixodidae Ticks and Viruses

Cited by 4 publications

References 6 publications

History of investigation and current classification of coronaviruses (<i>Nidovirales: Coronaviridae</i>)

History of investigation and current classification of coronaviruses (<i>Nidovirales: Coronaviridae</i>)

<i>Antarctophthirus nevelskoyi</i> n.sp. (Anoplura: Echinophthiriidae) - a new species of parasite of the Northern fur seal (<i>Callorhinus ursinus</i> L., 1758) at Tyuleniy Island, Okhotsk Sea, Russia

Reconstruction of epizootic outbreak provoked the largescale death of Rhinoceros auklet on the coast of the Japan Sea in the Southern part of Primorsky Krai (July, 2021)

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