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Competition of the natural and manmade biotic cycles in the closed aquatic system / T. I. Pisman, L. A. Somova // Advances in Space Research. - 2003. - Vol. 31, Is. 7. - P1757-1761, DOI 10.1016/S0273-1177(03)00117-0 . - ISSN 0273-1177
Кл.слова (ненормированные):
Carbon dioxide -- Glucose -- Nitrogen compounds -- Oxygen -- Biotic cycle -- Space research -- carbon dioxide -- nitrogen -- aquatic ecosystem -- biosphere -- competition (ecology) -- endosymbiont -- animal -- article -- bacterium -- Chlorella -- comparative study -- culture medium -- food chain -- growth, development and aging -- metabolism -- microbiology -- microclimate -- Paramecium -- photosynthesis -- physiology -- symbiosis -- time -- Animals -- Bacteria -- Carbon Dioxide -- Chlorella -- Culture Media -- Ecological Systems, Closed -- Food Chain -- Nitrogen -- Paramecium -- Photosynthesis -- Symbiosis -- Time Factors -- Water Microbiology
Аннотация: This study addresses competition between the Paramecium bursaria and zoochlorella - endosymbiosis and the infusoria Paramecium caudatum in a closed aquatic system. The system is a natural model of a simple biotic cycle. P. bursaria consumes glucose and oxygen released by its zoochlorella and releases nitrogenous compounds and carbon dioxide necessary for algal photosynthesis. P. caudatum was fed on bacteria. It was shown that the infusoria P. bursaria united in one cycle with Chlorella had a higher competitive ability than P. caudatum. With any initial percentage of the infusoria in the mixed culture, the end portion of P. bursaria reached 90 - 99%, which was significantly higher than the end portion of the P. caudatum population. It is assumed that the sustenance expenditures of P. caudatum were greater than those of the endosymbiotic paramecium, i.e. the closing of the components into a biotic cycle leads to a decrease in sustenance expenditures. В© 2003 COSPAR. Published by Elsevier Science Ltd. All rights reserved.

Scopus
Держатели документа:
Institute of Biophysics, SB RAS, Krasnoyarsk 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Pisman, T.I.; Somova, L.A.

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Siberian plants: untapped repertoire of bioactive endosymbionts / S. Baker, S. V. Prudnikova, T. Volova // Front. Biol. - 2018. - P1-11, DOI 10.1007/s11515-018-1483-5 . - ISSN 1674-7984
Кл.слова (ненормированные):
bioactive metabolite -- endophyte -- endosymbiont -- novel compound -- siberian plant
Аннотация: Background: Endosymbionts are microorganisms present in all plant species, and constitute the subject of interest among the scientific community. These symbionts have gained considerable attention in recent years, owing to their emerging biological roles. Global challenges, such as antimicrobial resistance, treatment of infectious diseases such as HIV and tuberculosis, cancer, and many genetic disorders, exist. Endosymbionts can help address these challenges by secreting valueadded bioactive compounds with various activities. Objective: Herein, we describe the importance of plants inhabiting Siberian niches. These plants are considered to be among the least studied organisms in the plant kingdom worldwide. Barcoding these plants can be of interest for exploring bioactive endosymbionts possessing myriad biological properties. Methods: A systematic survey of relevant scientific reports was conducted using the PubMed search engine. The reports were analyzed, and compiled to draft this review. Results: The literature survey on Siberian plants regarding endosymbionts included a few reports, since extremely few exploratory studies have been conducted on the plants in these regions. Studies on the endosymbionts of these plants are highly valuable, as they report potent endosymbionts possessing numerous biological properties. Based on these considerations, this review aims to create awareness among the global scientific community working on related areas. Conclusion: This review could provide the basis for barcoding novel endosymbionts of Siberian plants and their ecological importance, which can be exploited in various sectors. The main purpose of this review is to create awareness of Siberian plants, which are among the least studied organisms in the plant kingdom, with respect to endosymbionts, among the scientific community. © 2018 Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature

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Держатели документа:
Laboratory of Biotechnology of New Materials, Siberian Federal University, 79 Svobodny pr., Krasnoyarsk, Russian Federation
Siberian Federal University, School of Fundamental Biology and Biotechnology, 79 Svobodny pr., Krasnoyarsk, Russian Federation
Institute of Biophysics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS,”, 50/50 Akademgorodok, Krasnoyarsk, Russian Federation
Siberian Federal University, 79 Svobodny pr., Krasnoyarsk, Russian Federation

Доп.точки доступа:
Baker, S.; Prudnikova, S. V.; Volova, T.

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