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Stability of recombinant plasmids in transgenic microorganisms under different environmental conditions / L. Yu. Popova [и др.] // Mikrobiologiya. - 2001. - Vol. 70, Is. 6. - С. 796-803 . - ISSN 0026-3656
Кл.слова (ненормированные):
Antibiotic resistance -- Bioluminescence interferon -- Recombinant plasmids -- Transgenic microorganisms -- article -- Bacillus subtilis -- culture medium -- Escherichia coli -- genetic engineering -- genetic recombination -- genetics -- R factor -- Bacillus subtilis -- Culture Media -- Escherichia coli -- Genetic Engineering -- R Factors -- Recombination, Genetic
Аннотация: The copy number of R plasmids weakly depends on the selective pressure of the respective antibiotic but does depend on the physiology of the host species and the type of plasmids and cloned genes, whose expression leads to a further load on the biosynthetic apparatus of cells. The last factor is critical in the maintenance of recombinant plasmids in transgenic microorganisms.

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:
Popova, L.Yu.; Maksimova, E.E.; Lobova, T.I.; Kargatova, T.V.; Boyandin, A.N.; Krylova, T.Yu.; Pechurkin, N.S.

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Stability of recombinant plasmids in transgenic microorganisms under different environmental conditions / L. Yu. Popova [et al.] // Microbiology. - 2001. - Vol. 70, Is. 6. - P685-691 . - ISSN 0026-2617
Кл.слова (ненормированные):
Antibiotic resistance -- Bioluminescence -- Interferon -- Recombinant plasmids -- Transgenic microorganisms
Аннотация: The copy number of R plasmids weakly depends on the selective pressure of the respective antibiotic but does depend on the physiology of the host species and the type of plasmids and cloned genes, whose expression leads to a further load on the biosynthetic apparatus of cells. The last factor is critical in the maintenance of recombinant plasmids in transgenic microorganisms. В© 2001 MAIK "Nauka/Interperiodica".

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:
Popova, L.Yu.; Maksimova, E.E.; Lobova, T.I.; Kargatova, T.V.; Boyandin, A.N.; Krylova, T.Yu.; Pechurkin, N.S.

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Population dynamics of transgenic microorganisms in the different microecosystem conditions / L. Yu. Popova [et al.] // Advances in Space Research. - 2001. - Vol. 27, Is. 9. - P1571-1579, DOI 10.1016/S0273-1177(01)00248-4 . - ISSN 0273-1177
Кл.слова (ненормированные):
Ecosystems -- Escherichia coli -- Genes -- Interferons -- Luminescence -- Vaccines -- Microcosms -- Microorganisms -- fresh water -- microorganism -- adaptation -- article -- Bacillus subtilis -- comparative study -- ecosystem -- Escherichia coli -- gene expression -- genetics -- growth, development and aging -- hazardous waste -- microbiology -- Micrococcus -- osmotic pressure -- plasmid -- population dynamics -- risk assessment -- transgenic organism -- Adaptation, Physiological -- Bacillus subtilis -- Containment of Biohazards -- Ecosystem -- Escherichia coli -- Fresh Water -- Gene Expression -- Micrococcus -- Organisms, Genetically Modified -- Osmotic Pressure -- Plasmids -- Population Dynamics -- Risk Assessment -- Water Microbiology
Аннотация: The role of key environmental factors in adaptation of spore-forming and non-spore-forming transgenic microorganisms (TM) have been studied in model ecosystems. Model TM Escherichia coli Z905 (bearing plasmid genes of bacterial luminescence Ap1Lux+) has been found to have a higher adaptation potential than TM Bacillus subtilis 2335/105 (bearing genes of human ? 2-interferon Km1Inf+), planned for employment as a living vaccine under varying environmental conditions. Effects of abiotic factors on migration of natural and recombinant plasmids between microorganisms under model ecosystem conditions has been estimated. The transgenic microorganisms with low copy number survived better under introduction conditions in the microcosms studied. This trend has been shown to be independent of the microcosm type and its complexity. В© 2001 COSPAR. Published by Elsevier Science Ltd. All rights reserved.

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

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

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A study on the possibility of environmental adaptation of a Bacillus subtilis strain containing a recombinant plasmid with the gene of human interferon alpha 2 [Text] / L. Y. Popova [et al.] // Microbiology. - 1997. - Vol. 66, Is. 6. - P. 637-641. - Cited References: 13 . - ISSN 0026-2617

РУБ Microbiology
Рубрики:
GENETICALLY-MODIFIED MICROORGANISMS
Кл.слова (ненормированные):
microecosystem -- Bacillus subtilis -- recombinant plasmid -- interferon -- adaptation
Аннотация: Adaptation of the Bacillus subtilis strain 2335/105 (Km(r)Inf(+)) containing a recombinant plasmid encoding the extracellular human interferon alpha 2 was studied under various conditions. Stability of the plasmid in the population of B. subtilis 2335/105 was estimated under nonselective conditions. The plasmid-free cells and cells with a low number of plasmid copies were found to accumulate progressively, constituting 80% of the population after 10 culture passages, indicating the poor competitiveness of cells carrying a high number of plasmid copies. The behavior of vegetative cells of the recombinant strain introduced into aquatic microcosms differing in trophic chain length was studied. Within the first 10 days, the lysis of vegetative cells of B. subtilis 2335/105 occurred; the number of viable spores was very low but remained constant for half a year.

WOS
Держатели документа:
Russian Acad Sci, Akademgorodok, Inst Biophys, Siberian Div, Krasnoyarsk 660036, Russia
State Sci Ctr VB Vektor, Sci Res Design & Technol Inst Biol Act Subst, Berdsk 633190, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Popova, L.Y.; Kargatova, T.V.; Maksimova, E.E.; Belyavskaya, V.A.

Найти похожие

Stability of recombinant plasmids in transgenic microorganisms under different environmental conditions [Text] / L. Y. Popova [et al.] // Microbiology. - 2001. - Vol. 70, Is. 6. - P. 685-691, DOI 10.1023/A:1013187815739. - Cited References: 15 . - ISSN 0026-2617

РУБ Microbiology
Рубрики:
BACTERIA
Кл.слова (ненормированные):
recombinant plasmids -- transgenic microorganisms -- antibiotic resistance -- bioluminescence -- interferon
Аннотация: The copy number of R plasmids weakly depends on the selective pressure of the respective antibiotic but does depend on the physiology of the host species and the type of plasmids and cloned genes, whose expression leads to a further load on the biosynthetic apparatus of cells. The last factor is critical in the maintenance of recombinant plasmids in transgenic microorganisms.

WOS
Держатели документа:
Russian Acad Sci, Siberian Div, Inst Biophys, Krasnoyarsk 660036, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

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

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Population dynamics of transgenic microorganisms in the different microecosystem conditions [Text] / L. Y. Popova [et al.] ; ed. , AN Boyand // SPACE LIFE SCIENCES: CLOSED ECOLOGICAL SYSTEMS: EARTH AND SPACE APPLICATIONS. Ser. ADVANCES IN SPACE RESEARCH : ELSEVIER SCIENCE BV, 2001. - Vol. 27: F4 4 Symposium of COSPAR Scientific Commission F held at the 33rd COSPAR Scientific Assembly (JUL, 2000, WARSAW, POLAND), Is. 9. - P. 1571-1579, DOI 10.1016/S0273-1177(01)00248-4. - Cited References: 8 . - ISBN 0273-1177

РУБ Engineering, Aerospace + Astronomy & Astrophysics + Geosciences, Multidisciplinary + Meteorology & Atmospheric Sciences
Рубрики:
GENETICALLY-ENGINEERED MICROORGANISMS
Аннотация: The role of key environmental factors in adaptation of spore-forming and non-spore-forming transgenic microorganisms (TM) have been studied in model ecosystems. Model TM Escherichia coli Z905 (bearing plasmid genes of bacterial luminescence Ap(r)Lux(+)) has been found to have a higher adaptation potential than TM Bacillus subtilis 2335/105 (bearing genes of human alpha 2-interferon Km(r)lnf(+)), planned for employment as a living vaccine under varying environmental conditions. Effects of abiotic factors on migration of natural and recombinant plasmids between microorganisms under model ecosystem conditions has been estimated. The transgenic microorganisms with low copy number survived better under introduction conditions in the microcosms studied. This trend has been shown to be independent of the microcosm type and its complexity. (C) 2001 COSPAR. Published by Elsevier Science Ltd. All rights reserved.

WOS
Держатели документа:
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk 660036, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Popova, L.Y.; Lobova, T.I.; Krylova, T.Y.; Kargatova, T.V.; Maksimova, E.E.; Boyandin, A.N.; Pechurkin, N.S.; Boyand, , AN \ed.\

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