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Каталог книг и продолжающихся изданий библиотеки Института биофизики СО РАН (1)

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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Mitiouchkina T., Mishin A. S., Somermeyer L. G., Markina N. M., Chepurnyh T. V., Guglya E. B., Karataeva T. A., Palkina K. A., Shakhova E. S., Fakhranurova L. I., Chekova S. V., Tsarkova A. S., Golubev Y. V., Negrebetsky V. V., Dolgushin S. A., Shalaev P. V., Shlykov D., Melnik O. A., Shipunova V. O., Deyev S. M., Bubyrev A. I., Pushin A. S., Choob V. V., Dolgov S. V., Kondrashov F. A., Yampolsky I. V., Sarkisyan K. S.
Заглавие : Author Correction: Plants with genetically encoded autoluminescence (Nature Biotechnology, (2020), 10.1038/s41587-020-0500-9)
Место публикации : Nat. Biotechnol.: Nature Research, 2020. - Article in press. - ISSN 10870156 (ISSN), DOI 10.1038/s41587-020-0578-0
Аннотация: In the version of this article initially published online, a sentence was missing from the Acknowledgements section: The authors would like to acknowledge the work of Genomics Core Facility of the Skolkovo Institute of Science and Technology, which performed the sequencing and bioinformatic analysis. The error has been corrected in the HTML and PDF versions of the article. © 2020, The Author(s), under exclusive licence to Springer Nature America, Inc.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kudryasheva N. S., Petrova A. S., Dementyev D. V., Bondar A. A.
Заглавие : Exposure of luminous marine bacteria to low-dose gamma-radiation
Место публикации : J. Environ. Radioact.: Elsevier Ltd, 2017. - Vol. 169-170. - С. 64-69. - ISSN 0265931X (ISSN) , DOI 10.1016/j.jenvrad.2017.01.002
Ключевые слова (''Своб.индексиров.''): bioassay--low-dose gamma-radiation--luminous marine bacteria--mutagenic effect--radiotoxicity--temperature dependence--bacteria--bioassay--bioluminescence--gamma rays--ionizing radiation--irradiation--phosphorescence--physiological models--radiation effects--temperature distribution--low dose--marine bacterium--mutagenic effect--radiotoxicity--temperature dependence--radiation--bacteria (microorganisms)--photobacterium phosphoreum
Аннотация: The study addresses biological effects of low-dose gamma-radiation. Radioactive 137Cs-containing particles were used as model sources of gamma-radiation. Luminous marine bacterium Photobacterium phosphoreum was used as a bioassay with the bioluminescent intensity as the physiological parameter tested. To investigate the sensitivity of the bacteria to the low-dose gamma-radiation exposure (?250 mGy), the irradiation conditions were varied as follows: bioluminescence intensity was measured at 5, 10, and 20°С for 175, 100, and 47 h, respectively, at different dose rates (up to 4100 ?Gy/h). There was no noticeable effect of gamma-radiation at 5 and 10°С, while the 20°С exposure revealed authentic bioluminescence inhibition. The 20°С results of gamma-radiation exposure were compared to those for low-dose alpha- and beta-radiation exposures studied previously under comparable experimental conditions. In contrast to ionizing radiation of alpha and beta types, gamma-emission did not initiate bacterial bioluminescence activation (adaptive response). As with alpha- and beta-radiation, gamma-emission did not demonstrate monotonic dose-effect dependencies; the bioluminescence inhibition efficiency was found to be related to the exposure time, while no dose rate dependence was found. The sequence analysis of 16S ribosomal RNA gene did not reveal a mutagenic effect of low-dose gamma radiation. The exposure time that caused 50% bioluminescence inhibition was suggested as a test parameter for radiotoxicity evaluation under conditions of chronic low-dose gamma irradiation. © 2017 Elsevier Ltd
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Rozhko T. V., Guseynov O. A., Guseynova V. E., Bondar A. A., Devyatlovskaya A. N., Kudryasheva N. S.
Заглавие : Is bacterial luminescence response to low-dose radiation associated with mutagenicity?
Место публикации : J. Environ. Radioact.: Elsevier Ltd, 2017. - Vol. 177. - С. 261-265. - ISSN 0265931X (ISSN) , DOI 10.1016/j.jenvrad.2017.07.010
Ключевые слова (''Своб.индексиров.''): bioassay--dna--low-dose radiation--luminous marine bacteria--mutations--bacteria--bioassay--bioluminescence--chemical activation--dna--dna sequences--genes--ionizing radiation--kinetics--luminescence--nucleic acids--phosphorescence--physiological models--radioisotopes--bacterial suspensions--beta-emitting radionuclides--low dose radiation--luminescence intensity--marine bacterium--mutations--photobacterium phosphoreum--physiological parameters--radiation--bacteria (microorganisms)--photobacterium phosphoreum
Аннотация: Luminous marine bacteria are widely used in bioassays with luminescence intensity being a physiological parameter tested. The purpose of the study was to determine whether bacterial genetic alteration is responsible for bioluminescence kinetics change under low-dose radiation exposure. The alpha-emitting radionuclide 241Am and beta-emitting radionuclide 3H were used as the sources of low-dose ionizing radiation. Changes of bioluminescence kinetics of Photobacterium phosphoreum in solutions of 241Am(NO3)3, 7 kBq/L, and tritiated water, 100 MBq/L, were studied; bioluminescence kinetics stages (absence of effect, activation, and inhibition) were determined. Bacterial suspension was sampled at different stages of the bioluminescent kinetics; the doses accumulated by the samples were close or a little higher than a tentative limit of a low-dose interval: 0.10 and 0.85 Gy for 241Am, or 0.11 and 0.18 Gy for 3H. Sequence analysis of the 16S ribosomal RNA gene did not reveal a mutagenic effect of low-dose alpha and beta radiation in the bacterial samples. Previous results on bacterial DNA exposed to low-dose gamma radiation (0.25 Gy) were analyzed and compared to those for alpha and beta irradiation. It is concluded that bioluminescence activation and/or inhibition under the applied conditions of low-dose alpha, beta and gamma radioactive exposure is not associated with DNA mutations in the gene sequences tested. © 2017 Elsevier Ltd
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Sachkova A. S., Kovel E. S., Churilov G. N., Guseynov O. A., Bondar A. A., Dubinina I. A., Kudryasheva N. S.
Заглавие : On mechanism of antioxidant effect of fullerenols
Место публикации : Biochem. Biophys. Rep.: Elsevier B.V., 2017. - Vol. 9. - С. 1-8. - ISSN 24055808 (ISSN) , DOI 10.1016/j.bbrep.2016.10.011
Ключевые слова (''Своб.индексиров.''): antioxidant activity--bacterial enzymes--fullerenol--hormesis--luminous marine bacteria--ultralow concentrations
Аннотация: Fullerenols are nanosized water-soluble polyhydroxylated derivatives of fullerenes, specific allotropic form of carbon, bioactive compounds and perspective pharmaceutical agents. Antioxidant activity of fullerenols was studied in model solutions of organic and inorganic toxicants of oxidative type – 1,4-benzoquinone and potassium ferricyanide. Two fullerenol preparations were tested: С60О2–4(ОН)20–24 and mixture of two types of fullerenols С60О2–4(ОН)20–24+С70О2–4(ОН)20–24. Bacteria-based and enzyme-based bioluminescent assays were used to evaluate a decrease in cellular and biochemical toxicities, respectively. Additionally, the enzyme-based assay was used for the direct monitoring of efficiency of the oxidative enzymatic processes. The bacteria-based and enzyme-based assays showed similar peculiarities of the detoxification processes: (1) ultralow concentrations of fullerenols were active (ca 10–17–10?4 and 10–17–10? 5 g/L, respectively), (2) no monotonic dependence of detoxification efficiency on fullerenol concentrations was observed, and (3) detoxification of organic oxidizer solutions was more effective than that of the inorganic oxidizer. The antioxidant effect of highly diluted fullerenol solutions on bacterial cells was attributed to hormesis phenomenon; the detoxification was concerned with stimulation of adaptive cellular response under low-dose exposures. Sequence analysis of 16S ribosomal RNA was carried out; it did not reveal mutations in bacterial DNA. The suggestion was made that hydrophobic membrane-dependent processes are involved to the detoxifying mechanism. Catalytic activity of fullerenol (10? 8 g/L) in NADH-dependent enzymatic reactions was demonstrated and supposed to contribute to adaptive bacterial response. © 2016 The Authors
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Wu, Yu-Ting, Chiang, Pei-Wen, Tandon, Kshitij, Rogozin, Denis Yu, Degermendzhy, Andrey G., Tang, Sen-Lin
Заглавие : Single- cell genomics-based analysis reveals a vital ecological role of Thiocapsa sp. LSW in the meromictic Lake Shunet, Siberia
Колич.характеристики :10 с
Коллективы : Ministry of Science and Technology in Taiwan through the Taiwan-Russia Joint Project [NSC102-2923-B-001-004-MY3]; Russian Foundation for Basic Research GrantRussian Foundation for Basic Research (RFBR) [21-54-52001]; MOST [105-2923-B-001-001-MY3]
Место публикации : Microb. Genomics: MICROBIOLOGY SOC, 2021. - Vol. 7, Is. 12. - Ст.000712. - ISSN 2057-5858, DOI 10.1099/mgen.0.000712
Примечания : Cited References:69. - This research was funded by the Ministry of Science and Technology in Taiwan through the Taiwan-Russia Joint Project Grant NSC102--2923-B--001--004--MY3 and by the Russian Foundation for Basic Research Grant (project no. 21--54--52001) and MOST (105--2923--B--001--001--MY3).
Предметные рубрики: PHOTOTROPHIC BACTERIAL COMMUNITY
PURPLE SULFUR BACTERIUM
SP NOV.
Аннотация: Meromictic lakes usually harbour certain prevailing anoxygenic phototrophic bacteria in their anoxic zone, such as the purple sulfur bacterium (PSB) Thiocapsa sp. LSW (hereafter LSW) in Lake Shunet, Siberia. PSBs have been suggested to play a vital role in carbon, nitrogen and sulfur cycling at the oxic-anoxic interface of stratified lakes; however, the ecological significance of PSBs in the lake remains poorly understood. In this study, we explored the potential ecological role of LSW using a deepsequencing analysis of single- cell genomics associated with flow cytometry. An approximately 2.7 Mb draft genome was obtained based on the co- assembly of five single- cell genomes. LSW might grow photolithoautotrophically and could play putative roles not only as a carbon fixer and diazotroph, but also as a sulfate reducer/oxidizer in the lake. This study provides insights into the potential ecological role of Thiocapsa sp. in meromictic lakes.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Wu Y. -T., Chiang P. -W., Tandon K., Rogozin D. Y., Degermendzhy A. G., Tang S. -L.
Заглавие : Single-cell genomics-based analysis reveals a vital ecological role of thiocapsa sp. LSW in the meromictic Lake Shunet, Siberia
Место публикации : Microb. Genomics: Microbiology Society, 2021. - Vol. 7, Is. 12. - Ст.000712. - ISSN 20575858 (ISSN), DOI 10.1099/mgen.0.000712
Аннотация: Meromictic lakes usually harbour certain prevailing anoxygenic phototrophic bacteria in their anoxic zone, such as the purple sulfur bacterium (PSB) Thiocapsa sp. LSW (hereafter LSW) in Lake Shunet, Siberia. PSBs have been suggested to play a vital role in carbon, nitrogen and sulfur cycling at the oxic–anoxic interface of stratified lakes; however, the ecological significance of PSBs in the lake remains poorly understood. In this study, we explored the potential ecological role of LSW using a deep-sequencing analysis of single-cell genomics associated with flow cytometry. An approximately 2.7 Mb draft genome was obtained based on the co-assembly of five single-cell genomes. LSW might grow photolithoautotrophically and could play putative roles not only as a carbon fixer and diazotroph, but also as a sulfate reducer/oxidizer in the lake. This study provides insights into the potential ecological role of Thiocapsa sp. in meromictic lakes. © 2021 The Authors.
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