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Общее количество найденных документов : 4
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Species composition of winter bacterioplankton in two Siberian ponds determined by the 16s rRNA sequence analysis. / M. Y. Trusova, M. I. Gladyshev // Doklady Biological Sciences. - 2002. - Vol. 382. - P51-54 . - ISSN 0012-4966
Кл.слова (ненормированные):
bacterial RNA -- RNA 16S -- animal -- article -- bacterium -- classification -- ecosystem -- genetics -- microbiology -- molecular cloning -- molecular genetics -- plankton -- Russian Federation -- season -- species difference -- Animals -- Bacteria -- Cloning, Molecular -- Ecosystem -- Molecular Sequence Data -- Plankton -- RNA, Bacterial -- RNA, Ribosomal, 16S -- Seasons -- Siberia -- Species Specificity -- Water Microbiology

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

Доп.точки доступа:
Trusova, M.Y.; Gladyshev, M.I.

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Isolation of bioluminescent functions from Photobacterium leiognathi: analysis of luxA, luxB, luxG and neighboring genes / B. A. Illarrionov [et al.] // Gene. - 1990. - Vol. 86, Is. 1. - P89-94 . - ISSN 0378-1119
Кл.слова (ненормированные):
Bioluminescence -- expression in E. coli -- luciferase -- molecular evolution -- nucleotide sequence -- protein alignment -- recombinant DNA -- luciferase -- amino acid sequence -- article -- bioluminescence -- fungus -- gene structure -- genetic engineering -- heredity -- nonhuman -- nucleotide sequence -- priority journal -- vibrionaceae -- Acyltransferases -- Amino Acid Sequence -- Bacterial Proteins -- Base Sequence -- Cloning, Molecular -- DNA, Bacterial -- Genes, Structural, Bacterial -- Luciferase -- Luminescence -- Molecular Sequence Data -- Operon -- Photobacterium -- Restriction Mapping -- Escherichia coli -- Fungi -- Photobacterium leiognathi -- Vibrio harveyi -- Vibrionaceae
Аннотация: Genes encoding luminescence of Photobacterium leiognathi have been cloned in Escherichia coli. The luminescent clones were readily apparent. Among them, a clone containing a recombinant plasmid with a 13.5-kb insertion was identified. This DNA fragment contained all of the luminescence-encoding genes. The luciferase-encoding genes (lux) in this DNA fragment were localized. We have sequenced a part of the cloned lux region and identified the luxA, luxB and luxG genes encoding the ? and ? subunits of luciferase and a ? protein with an Mr of 26 180, respectively. The analysis of deduced amino acid sequences and comparison with known luciferase sequences from Vibrio harveyi, indicate the common origin of these proteins. В© 1990.

Scopus
Держатели документа:
Krasnoyarsk State University, Krasnoyarsk, 660062, Russian Federation
All-Union Research Institute of Molecular Biology, Novosibirsk Region, 633159, Russian Federation
Institute of Biophysics, Krasnoyarsk, 660036, Russian Federation
Institute of Clinical and Experimental Medicine, Novosibirsk, Russian Federation
Novosibirsk Institute of Bioorganic Chemistry, Novosibirsk, 630090, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Illarrionov, B.A.; Blinov, V.M.; Douchenko, A.P.; Protopopova, M.V.; Karginov, V.A.; Mertvetsov, N.P.; Gitelson, J.I.

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Effect of environmental factors on the expression of the catabolite-dependent lux-operon borne by a recombinant plasmid / E. E. Maksimova [и др.] // Mikrobiologiya. - 1998. - Vol. 67, Is. 2. - С. 170-175 . - ISSN 0026-3656
Кл.слова (ненормированные):
Catabolite repression -- Environmental factors -- Escherichia coli -- Introduction into model ecosystems -- Lux-operon -- Recombinant plasmid -- Regulation of expression -- recombinant DNA -- article -- bacterial gene -- chemoluminescence -- culture medium -- Escherichia coli -- gene expression regulation -- genetics -- microbiology -- molecular cloning -- operon -- plasmid -- Chemiluminescent Measurements -- Cloning, Molecular -- Culture Media -- DNA, Recombinant -- Escherichia coli -- Gene Expression Regulation, Bacterial -- Genes, Bacterial -- Operon -- Plasmids -- Water Microbiology
Аннотация: Expression of the lux-genes cloned on the recombinant plasmid pPHL7 (Ap rLux +) in Escherichia coli Z905 cells was studied in various environments, including model aquatic ecosystems. Expression of the lux-genes strongly depended on the nutritional status of the medium. In particular, the cultivation of cells in nutrient-rich medium favored the maintenance of the initial level of expression of the lux-operon, whereas nutrient limitation induced recombinant cell variants with an impaired control of the catabolite-dependent luxoperon. On the other hand, long-term laboratory cultivation of the recombinant strain in nutrient-deficient media or its long-term life in model aquatic ecosystems led to the accumulation of cells with a stringent control on the cloned lux-genes in the bacterial population. The presence of the selective factor (ampicillin) in the medium had no significant effect on the expression of the lux-operon.

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:
Maksimova, E.E.; Popova, L.Yu.; Shpagina, V.V.; Belyavskaya, V.A.; Pechurkin, N.S.

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Interaction of Photobacterium leiognathi and Vibrio fischeri Y1 luciferases with fluorescent (antenna) proteins: Bioluminescence effects of the aliphatic additive / V. N. Petushkov [et al.] // Biochemistry. - 1996. - Vol. 35, Is. 37. - P12086-12093, DOI 10.1021/bi9608931 . - ISSN 0006-2960
Кл.слова (ненормированные):
luciferase -- anisotropy -- antenna -- article -- bioluminescence -- complex formation -- energy transfer -- enzyme active site -- enzyme kinetics -- nonhuman -- priority journal -- protein protein interaction -- spectroscopy -- vibrionaceae -- Bacterial Proteins -- Carrier Proteins -- Cloning, Molecular -- Dithionite -- Flavin Mononucleotide -- Kinetics -- Luciferases -- Luminescent Measurements -- Luminescent Proteins -- Models, Structural -- Photobacterium -- Protein Binding -- Protein Conformation -- Recombinant Proteins -- Spectrophotometry -- Vibrio -- Bacteria (microorganisms) -- Photobacterium -- Photobacterium leiognathi -- Vibrio fischeri -- Vibrionaceae
Аннотация: The kinetics of the bacterial bioluminescence reaction is altered in the presence of the fluorescent (antenna) proteins, lumazine protein (LumP) from Photobacterium or the yellow fluorescence proteins (YFP) having FMN or Rf bound, from Vibrio fischeri strain Y1. Depending on reaction conditions, the bioluminescence intensity and its decay rate may be either enhanced or strongly quenched in the presence of the fluorescent proteins. These effects can be simply explained on the basis of the same protein-protein complex model that accounts for the bioluminescence spectral shifts induced by these fluorescent proteins. In such a complex, where the fluorophore evidently is in proximity to the luciferase active site, it is expected that the on off rate of certain aliphatic components of the reaction should be altered with a consequent shift in the equilibria among the luciferase intermediates, as recently elaborated in a kinetic scheme. These aliphatic components are the bioluminescence reaction substrate, tetradecanal or other long-chain aldehyde, its carboxylic acid product, or dodecanol used as a stabilizer of the luciferase peroxyflavin. No evidence can be found for the protein- protein interaction in the absence of the aliphatic component.

Scopus
Держатели документа:
Department of Biochemistry, University of Georgia, Athens, GA 30602, United States
Institute of Biophysics, Acad. of Sci. of Russia, 660036 Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Petushkov, V.N.; Ketelaars, M.; Gibson, B.G.; Lee, J.

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