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Вид документа : Статья из журнала
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Автор(ы) : Gitelson I.I., Degermendzhy A.G., Rodicheva E.K.
Заглавие : Self-restoration as fundamental property of CES providing their sustainability
Место публикации : Advances in Space Research. - 2003. - Vol. 31, Is. 7. - С. 1641-1648. - ISSN 02731177 (ISSN) , DOI 10.1016/S0273-1177(03)00111-X
Ключевые слова (''Своб.индексиров.''): biocatalysts--ecosystems--genes--life support systems (spacecraft)--radiation damage--cell populations--space flight--space shuttle--article--biological model--biomass--cell division--chlorella--cytology--growth, development and aging--microclimate--radiation exposure--radiation response--ultraviolet radiation--biomass--cell division--chlorella--dose-response relationship, radiation--ecological systems, closed--life support systems--models, biological--ultraviolet rays
Аннотация: Sustainability is one of the most important criteria and evaluation of human life support systems intended for use during long space flights. The common feature of biological and physicochemical life support systems is that basically they are both catalytic. But there are two fundamental properties distinguishing biological systems: 1) they are auto-catalytic: their catalysts - enzymes of protein nature - are continuously reproduced when the system functions; 2) the program of every process performed by enzymes and the program of their reproduction are inherent in the biological system itself - in the totality of genomes of the species involved in the functioning of the ecosystem. Actually, one cell with the genome capable of the phenotypic realization is enough for the self-restoration of the function performed by the cells of this species in the ecosystem. The continuous microalgal culture of Chlorella vulgaris was taken to investigate quantitatively the process of self-restoration in unicellular algae population. Based on the data obtained, we proposed a mathematical model of the restoration process in a cell population that has suffered an acute radiation damage. В© 2003 COSPAR. Published by Elsevier Science Ltd. All rights reserved.
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