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Cидячие инфузории (Ciliophora) из экстремальных местообитаний

Authors: Dovgal, Igor V.; Sergeeva, Nelli G.;

Cидячие инфузории (Ciliophora) из экстремальных местообитаний

Abstract

The present article addresses an overview of different types of extreme habitats in which sessile ciliates were found. Ciliates were found in different extreme habitats (marine deep waters, hypersaline, caves, and subterranean waters). Authors registered 11 species of sessile ciliates in extreme environments: suctorians Corynophrya abyssalis in a hydrothermal vent field (4090 m depth), Thecacineta calix in the Andaman Sea (1301 m depth), Paracineta livadiana, C. lyngbyi and peritrichous ciliate Cothurnia maritima in hypoxic/anoxic conditions of the Black Sea (80-300 m depth), suctorian ciliates Tokophrya niphargi and Spelaeophrya troglocaridis and apostome ciliate Gymnodinioides sp. in cave and subterranean waters, as well as suctorians Acinetides infundibuliformis, Acineta harpacticicola and peritrichous ciliate C. maritima in hypersaline waters (salinity from 38 ‰ to 60 ‰). The possible adaptations of listed ciliates to extreme habitats are discussed. It is difficult to identify any morphological adaptations of these ciliate species to life in extreme conditions. There are the physiological adaptations to extreme factors in extremophile ciliates. Some morphological structures and breeding characteristics, which are presented in ciliates living in extreme environments, may be adaptations to such conditions in general

Статья представляет собой обзор различных типов экстремальных местообитаний, в которых были найдены сидячие инфузории. Основное внимание в работе уделено местообитаниям, из которых были получены оригинальные материалы: гипергалинным водоемам, глубоководным местообитаниям разного типа, а также пещерным и подземным водам. Анализируются находки сукторий Acinetides infundibuliformis, Acineta harpacticicola и перитрихи Cothurnia maritima в гипергалинных водоемах (при солености от 38 до 60 ‰), сукторий Corynophrya abyssalis из сообщества гидротермов (глубина 4095 м) и Thecacineta calix, найденной в Андаманском море (глубина 1301 м), сукторий Paracineta livadiana, C. lyngbyi и перитрихи C. maritima из сероводородной зоны Черного моря (глубины 80-300 м), а также сукторий Tokophrya niphargi и Spelaeophrya troglocaridis и апостомат Gymnodinioides sp. в пещерных и подземных водах. Обсуждаются возможные адаптации перечисленных инфузорий к условиям экстремальных местообитаний. Показано, что для инфузорий-экстремофилов характерны физиологические адаптации к экстремальным факторам. Имеющиеся у таких видов морфологические структуры и особенности размножения являются адаптациями к неблагоприятным факторам в целом

Country
Russian Federation
Related Organizations
Keywords

сидячие инфузории, экстремофил, sessile ciliate, environment conditions, habitat, местообитание, факторы, extremophile

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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