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  • Title: [Composition and dynamics of the bacteriocenosis accompanying algae in human biological life support systems].
    Author: Kondrat'eva EM.
    Journal: Kosm Biol Aviakosm Med; 1985; 19(2):69-74. PubMed ID: 2859386.
    Abstract:
    The species and group composition as well as the number of bacteria concomitant with algae in the course of their continuous cultivation on a mineral medium as a self-contained system and as part of the biological life-support system were investigated. The major components of urine were passed to the reactor after its premineralization in a special unit. The experiments were carried out for 37 to 51 days. Under such cultivation conditions the number and generic composition of the algal microflora were stable. The common gas line between the algal reactors, units for urine microbiological mineralization and the manned module facilitated the generation of new bacterial groups which were, however, unable to develop in actively growing algal cultures and therefore disappeared rapidly. This indicates that the algal-bacterial cenosis within a biological life-support system has signs of a self-regulating system.
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