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1.


   
    Effect of salinity on the adaptive capacity of recombinant strains of escherichia coli and bacillus subtilis / A. N. Boyandin [и др.] // Mikrobiologiya. - 2000. - Vol. 69, Is. 2. - С. 243-247 . - ISSN 0026-3656
Кл.слова (ненормированные):
Genetically modified microorganisms -- Salinity -- Salt resistance -- sodium chloride -- adaptation -- article -- Bacillus subtilis -- electrolyte balance -- Escherichia coli -- genetic recombination -- genetics -- physiology -- Adaptation, Biological -- Bacillus subtilis -- Escherichia coli -- Recombination, Genetic -- Sodium Chloride -- Water-Electrolyte Balance
Аннотация: Effect of different concentrations of salts on natural and recombinant strains of Bacillus subtilis and Escherichia coli was studied. The recombinant strain of B. subtilis was found to be more osmotolerant than the wild-type strain of this bacterium, whereas the opposite situation was observed for the recombinant and wildtype strains of E. coli. Some salts exerted a bacteriostatic effect on E. coli and B. subtilis. The adaptive capacity of recombinant strains depended on the number of plasmid copies in the cells. The introduction of recombinant bacteria into model ecosystems resulted in the generation of their variants with increased osmotolerance.

Scopus
Держатели документа:
Institute of Biophysics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Boyandin, A.N.; Lobova, T.I.; Yu Krylova, T.; Kargatova, T.V.; Yu Popova, L.; Pechurkin, N.S.

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2.


   
    Experimental microcosms as models of natural ecosystems for monitoring survival of genetically modified microorganism. / U - Popova LYu [et al.] // Life support & biosphere science : international journal of earth space. - 1999. - Vol. 6, Is. 3. - P193-197 . - ISSN 1069-9422
Кл.слова (ненормированные):
bacterial DNA -- recombinant DNA -- adaptation -- article -- ecosystem -- Escherichia coli -- genetics -- microbiology -- plasmid -- risk assessment -- Adaptation, Biological -- DNA, Bacterial -- DNA, Recombinant -- Ecosystem -- Escherichia coli -- Microbiology -- Plasmids -- Risk Assessment -- Soil Microbiology -- Water Microbiology
Аннотация: An experimental approach for investigation of genetically modified microorganisms (GMMO) introduced into model ecosystems to evaluate potential risk of propagation of recombinant plasmids in surrounding medium has been developed. The object of modeling was Escherichia coli Z905 strain with a recombinant plasmid with bacterial luminescence genes, which was introduced into water microcosms of different structure. The approach involves comprehensive investigation of GMMO at four hierarchical levels: molecular (retaining the structure of the plasmid and expression of cloned genes); cellular (variation of metabolic activity); population (competitive power and metabolic interactions of GMMO with indigenous microflora, migration of recombinant and natural plasmids); ecosystem (effect of GMMO and cloned genes on ecosystem parameters). The experimental evidence and theoretical estimates are intended to form grounds to develop a basic version of an ecological certificate for different GMMO variants.

Scopus
Держатели документа:
Institute of Biophysics (Russian Academy of Sciences, Siberian Branch), Krasnoyarsk, Russia. : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
, U - Popova LYu; Pechurkin, N.S.; Maksimova, E.E.; Kargatova, T.V.; , U - Krylova TYu; Lobova, T.I.; Boyandin, A.N.

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