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Self-restoration as fundamental property of CES providing their sustainability / I. I. Gitelson, A. G. Degermendzhy, E. K. Rodicheva // Advances in Space Research. - 2003. - Vol. 31, Is. 7. - P1641-1648, DOI 10.1016/S0273-1177(03)00111-X . - ISSN 0273-1177
Кл.слова (ненормированные):
Biocatalysts -- Ecosystems -- Genes -- Life support systems (spacecraft) -- Radiation damage -- Cell populations -- Space flight -- space shuttle -- article -- biological model -- biomass -- cell division -- Chlorella -- cytology -- growth, development and aging -- microclimate -- radiation exposure -- radiation response -- ultraviolet radiation -- Biomass -- Cell Division -- Chlorella -- Dose-Response Relationship, Radiation -- Ecological Systems, Closed -- Life Support Systems -- Models, Biological -- Ultraviolet Rays
Аннотация: Sustainability is one of the most important criteria and evaluation of human life support systems intended for use during long space flights. The common feature of biological and physicochemical life support systems is that basically they are both catalytic. But there are two fundamental properties distinguishing biological systems: 1) they are auto-catalytic: their catalysts - enzymes of protein nature - are continuously reproduced when the system functions; 2) the program of every process performed by enzymes and the program of their reproduction are inherent in the biological system itself - in the totality of genomes of the species involved in the functioning of the ecosystem. Actually, one cell with the genome capable of the phenotypic realization is enough for the self-restoration of the function performed by the cells of this species in the ecosystem. The continuous microalgal culture of Chlorella vulgaris was taken to investigate quantitatively the process of self-restoration in unicellular algae population. Based on the data obtained, we proposed a mathematical model of the restoration process in a cell population that has suffered an acute radiation damage. В© 2003 COSPAR. Published by Elsevier Science Ltd. All rights reserved.

Scopus
Держатели документа:
Institute of Biophysics, SB RAS, Krasnoyarsk 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Gitelson, I.I.; Degermendzhy, A.G.; Rodicheva, E.K.

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Immunoelectronmicroscopic study of the nucleoid structure of hydrogen bacteria. / O. A. Mogilnaya [et al.] // Journal of Basic Microbiology. - 1992. - Vol. 32, Is. 6. - P381-387 . - ISSN 0233-111X
Кл.слова (ненормированные):
bacterial DNA -- Alcaligenes -- article -- cell division -- cell nucleus -- Escherichia coli -- immunoelectron microscopy -- ultrastructure -- Alcaligenes -- Cell Division -- Cell Nucleus -- DNA, Bacterial -- Escherichia coli -- Microscopy, Immunoelectron
Аннотация: Electron microscopical studies of the nucleoid structure of hydrogen bacteria using ultrahin sections and spread DNA from bacterial cell lysates revealed a different DNA packaging in the cell. A compact state of the major part of DNA at all growth stages and stability of nucleosome-like structures were shown. The use of antibodies to HU protein of E. coli labelled by protein A-colloidal gold demonstrated the immunological relationship between HU protein of E. coli and histone-like proteins of Alcaligenes eutrophus and their possible role in the nucleosome-like DNA packaging in procariotic genome.

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

Доп.точки доступа:
Mogilnaya, O.A.; Kiselyova, E.V.; Medvedeva, S.E.; Puzir, A.P.; Guseynov, O.A.; Kulyba, N.N.; Kozlov, A.V.

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The comparative redundancy of genes of various organisms and viruses / A. N. Gorban [и др.] // Genetika. - 1993. - Vol. 29, Is. 9. - P. 1413-1419 . - ISSN 0016-6758
Кл.слова (ненормированные):
article -- dna content -- evolution -- genome -- nonhuman -- restriction mapping -- virus -- amino acid sequence -- comparative study -- gene frequency -- human -- molecular genetics -- nucleotide sequence -- restriction mapping -- virus gene -- Amino Acid Sequence -- Base Sequence -- Comparative Study -- English Abstract -- Gene Frequency -- Genes, Viral -- Human -- Molecular Sequence Data -- Restriction Mapping

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

Доп.точки доступа:
Gorban, A.N.; Mirkes, E.M.; Popova, T.G.; Sadovsky, M.G.

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THE COMPARATIVE REDUNDANCY OF GENES OF VARIOUS ORGANISMS AND VIRUSES [Текст] / A. N. GORBAN [и др.] // Genetika. - 1993. - Vol. 29, Is. 9. - P. 1413-1419. - Cited References: 20 . - ISSN 0016-6758

РУБ Genetics & Heredity
Рубрики:
CODON
Аннотация: This paper is devoted to the comparative stude of redundancy of genetic texts of various organisms and viruses. To determine the tedundance of a gene, we have introduced the strict measure for that latter. The measure for a text's redundance is the length of restriction of Frequence/Correlation Dictionary of a given genetic text. Frequence/Correlation Dictionary is the ser of all subsequences belang to a given genetic text, accompanied by the frequencies of their occurrence. The restriction length is defined as that one, for which all the subsequences (of that length) are unique. We have found, that genes of human viruses are less redundant, in comparison to those of human genes. Other aspects of a comparative redundance invastigations of the genes are discussed. The problem of the determination of truet intron could be treated by this methodology, as well, as the evolution of genome.

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Держатели документа:
RUSSIAN ACAD SCI,CTR COMP,KRASNOYARSK,RUSSIA
ИВМ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
GORBAN, A.N.; MIRKES, E.M.; POPOVA, T.G.; SADOVSKY, M.G.

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On the problem of genome redundancy in viruses and prokaryotes [Text] / M. G. Sadovsky // Russ. J. Genet. - 2002. - Vol. 38, Is. 5. - P. 575-581, DOI 10.1023/A:1015503617023. - Cited References: 10 . - ISSN 1022-7954

РУБ Genetics & Heredity

Аннотация: A specific index of nucleotide sequence redundancy, the specific restriction length of a finite frequency dictionary, was determined for a complete set of genes in some viral genomes and a genome of a bacterium, Bacillus subtilis. The distribution of the gene number over the specific restriction length was shown to be bimodal for viral genomes and unimodal for the Bac. subtilis genome. These results agree with earlier data.

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

Доп.точки доступа:
Sadovsky, M.G.

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The method to compare nucleotide sequences based on the minimum entropy principle [Text] / M. G. Sadovsky // Bull. Math. Biol. - 2003. - Vol. 65, Is. 2. - P. 309-322, DOI 10.1016/S0092-8240(02)00107-6. - Cited References: 20 . - ISSN 0092-8240

РУБ Biology + Mathematical & Computational Biology
Рубрики:
GENOME
Аннотация: A new method to compare two (or several) symbol sequences is developed. The method is based on the comparison of the frequencies of the small fragments of the compared sequences; it requires neither string editing, nor other transformations of the compared objects. The comparison is executed through a calculation of the specific entropy of a frequency dictionary against the special dictionary called the hybrid one; this latter is the statistical ancestor of the group of sequences under comparison. Some applications of the developed method in the fields of genetics and bioinformatics are discussed. (C) 2003 Society for Mathematical Biology. Published by Elsevier Science Ltd. All rights reserved.

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

Доп.точки доступа:
Sadovsky, M.G.

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Self-restoration as fundamental property of CES providing their sustainability [Text] / I. I. Gitelson, A. G. Degermendzhy, E. K. Rodicheva ; ed. M Nelson [et al.] // SPACE LIFE SCIENCES: CLOSED ARTIFICIAL ECOSYSTEMS AND LIFE SUPPORT SYSTEMS. Ser. ADVANCES IN SPACE RESEARCH : PERGAMON-ELSEVIER SCIENCE LTD, 2003. - Vol. 31: Meeting of F4 1 Session of the 34th Scientific Assembly of COSPAR (OCT, 2002, HOUSTON, TEXAS), Is. 7. - P. 1641-1648, DOI 10.1016/S0273-1177(03)00111-X. - Cited References: 8 . - ISBN 0273-1177

РУБ Engineering, Aerospace + Astronomy & Astrophysics + Ecology + Geosciences, Multidisciplinary + Meteorology & Atmospheric Sciences
Рубрики:
LIFE-SUPPORT
Аннотация: Sustainability is one of the most important criteria in the creation and evaluation of human life support systems intended for use during long space flights. The common feature of biological and physicochemical life support systems is that basically they are both catalytic. But there are two fundamental properties distinguishing biological systems: 1) they are auto-catalytic: their catalysts - enzymes of protein nature - are continuously reproduced when the system functions; 2) the program of every process performed by enzymes and the program of their reproduction are inherent in the biological system itself - in the totality of genomes of the species involved in the functioning of the ecosystem. Actually, one cell with the genome capable of the phenotypic realization is enough for the self-restoration of the function performed by the cells of this species in the ecosystem. The continuous microalgal culture of Chlorella vulgaris was taken to investigate quantitatively the process of self-restoration in unicellular algae population. Based on the data obtained, we proposed a mathematical model of the restoration process in a cell population that has suffered an acute radiation damage. (C) 2003 COSPAR. Published by Elsevier Science Ltd. All rights reserved.

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Держатели документа:
Krasnoyarsk State Univ, Inst Biophys, SB RAS, Krasnoyarsk 660036, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Gitelson, I.I.; Degermendzhy, A.G.; Rodicheva, E.K.; Nelson, M \ed.\; Pechurkin, NS \ed.\; Dempster, WF \ed.\; Somova, LA \ed.\; Somo, , LA \ed.\

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Structural distinctions of fast and slow bacterial luciferases revealed by phylogenetic analysis [Text] / A. A. Deeva [et al.] // Bioinformatics. - 2016. - Vol. 32, Is. 20. - P3053-3057, DOI 10.1093/bioinformatics/btw386. - Cited References:31. - The reported study was partially funded by RFBR according to the research project No. 16-34-00746 mol_a; by the Ministry of Education and Science of the Russian Federation [project No 1762] and by the state budget allocated to the fundamental research at the Russian Academy of Sciences [project No 01201351504]. . - ISSN 1367-4803. - ISSN 1460-2059

РУБ Biochemical Research Methods + Biotechnology & Applied Microbiology

Аннотация: Motivation: Bacterial luciferases are heterodimeric enzymes that catalyze a chemical reaction, so called bioluminescence, which causes light emission in bacteria. Bioluminescence is vastly used as a reporter system in research tools and commercial developments. However, the details of the mechanisms that stabilize and transform the reaction intermediates as well as differences in the enzymatic kinetics amongst different bacterial luciferases remain to be elucidated. Results: Amino acid sequences alignments for 21 bacterial luciferases (both alpha- and beta-subunits) were analyzed. For alpha-subunit, containing the enzyme active center, 48 polymorphic amino acid positions were identified. According to them, the sequences fell into two distinct groups known as slow and fast based on the decay rate of the bioluminescence reaction. The differences in the enzyme active site induced by structural polymorphism are analyzed.

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Держатели документа:
Siberian Fed Univ, Lab Bioluminescent Biotechnol, Krasnoyarsk, Russia.
Inst Cell Biophys RAS, Mech Cell Genome Functioning Lab, Pushchino, Moscow Region, Russia.
Moscow Inst Phys & Technol, Dolgoprudnyi, Russia.
Inst Biophys SB RAS, Lab Photobiol, Krasnoyarsk, Russia.

Доп.точки доступа:
Deeva, Anna A.; Temlyakova, Evgenia A.; Sorokin, Anatoly A.; Nemtseva, Elena V.; Kratasyuk, Valentina A.; RFBR [16-34-00746 mol_a]; Ministry of Education and Science of the Russian Federation [1762]; state budget allocated to the fundamental research at Russian Academy of Sciences [01201351504]

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A narrowing of the phenotypic diversity range after large rearrangements of the karyotype in salmonidae: The relationship between saltational genome rearrangements and gradual adaptive evolution / A. A. Makhrov // Genes. - 2017. - Vol. 8, Is. 11, DOI 10.3390/genes8110297 . - ISSN 2073-4425
Кл.слова (ненормированные):
Ecology -- Evolution -- Genome -- Karyotype -- Morphology -- ecology -- gene rearrangement -- genome -- karyotype -- morphology -- nonhuman -- salmonid
Аннотация: The problem of how a gradual development of ecological and morphological adaptations combines with large genome rearrangements, which have been found to occur in the phylogeny of many groups of organisms, is a matter of discussion in the literature. The objective of this work was to study the problem with the example of salmonids, whose evolution included at least six events of multiple chromosome fusions. Large karyotype rearrangements are associated with a decrease in ecological and morphological diversity in salmonids. In the above example, genome rearrangements seem to distort the function of the genetic systems that are responsible for the occurrence of certain ecological forms in salmonids. © 2017 by the authors; Licensee MDPI, Basel, Switzerland.

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Держатели документа:
A.N. Severtsov Institute of Ecology and Evolution of Russian Academy of Sciences, Moscow, Russian Federation
Institute of Biophysics of Siberian Branch of Federal Research Center, “Krasnoyarsk Science Center” of Russian Academy of Sciences, Akademgorodok, 50/50, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Makhrov, A. A.

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10.

Methanolobus psychrotolerans sp. nov., a psychrotolerant methanoarchaeon isolated from a saline meromictic lake in siberia / S. -C. Chen [et al.] // Int. J. Syst. Evol. Microbiol. - 2018. - Vol. 68, Is. 4. - P1378-1383, DOI 10.1099/ijsem.0.002685 . - ISSN 1466-5026
Кл.слова (ненормированные):
Archaea -- Lake shira -- Methanogen -- Methanolobus -- Psychrotolerant -- Saline meromictic lake
Аннотация: A psychrotolerant, methylotrophic methanogen, strain YSF-03T, was isolated from the saline meromictic Lake Shira in Siberia. Cells of strain YSF-03T were non-motile, irregular cocci and 0.8–1.2?m in diameter. The methanogenic substrates utilized by strain YSF-03T were methanol and trimethylamine. The temperature range of growth for strain YSF-03T was from 0 to 37 °C. The optimum growth conditions were 30–37 °C, pH 7.0–7.4 and 0.17M NaCl. The G+C content of the genome of strain YSF-03T was 41.3 mol%. Phylogenetic analysis revealed that strain YSF-03T was most closely related to Methanolobus profundi MobMT (98.15% similarity in 16S rRNA gene sequence). Genome relatedness between strain YSF-03T and MobMT was computed using the Genome-to-Genome Distance Calculator and average nucleotide identity, which gave values of 23.5 and 79.3 %, respectively. Based on the morphological, phenotypic, phylogenetic and genomic relatedness data presented here, it is evident that strain YSF-03T represents a novel species of the genus Methanolobus, for which the name Methanolobus psychrotolerans sp. nov. is proposed. The type strain is YSF-03T (=BCRC AR10049T=DSM 104044T=NBRC 112514T). © 2018 IUMS.

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Держатели документа:
Department of Life Science, National Chung Hsing University, Taiwan
Agricultural Biotechnology Center, National Chung Hsing University, Taiwan
Biodiversity Research Center, Academia Sinica, Taiwan
Institute of Biophysics Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Chen, S. -C.; Huang, H. -H.; Lai, M. -C.; Weng, C. -Y.; Chiu, H. -H.; Tang, S. -L.; Rogozin, D. Y.; Degermendzhy, A. G.

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11.

Comprehensive Insights Into Composition, Metabolic Potentials, and Interactions Among Archaeal, Bacterial, and Viral Assemblages in Meromictic Lake Shunet in Siberia / Y. T. Wu [et al.] // Front. Microbiol. - 2018. - Vol. 9. - Ст. 1763, DOI 10.3389/fmicb.2018.01763. - Cited References:103. - This research was supported by the Ministry of Science and Technology in Taiwan through the Taiwan-Russia Joint Project Grant NSC 99-2923-B-001-001-MY3 and NSC 102-2923-B-001-004 and the Russian Foundation for Basic Research, Grant No. 16-05-00091-a. The research was partially supported by the Council on grants from the President of the Russian Federation for support of leading scientific schools (grant NSh-9249.2016.5). . - ISSN 1664-302X

РУБ Microbiology
Рубрики:
BACTERIOPLANKTON COMMUNITY COMPOSITION
RIBOSOMAL-RNA GENES
ANTARCTIC
Кл.слова (ненормированные):
Lake Shunet -- metagenomics -- archaeal -- bacterial and viral assemblages -- meromictic lake
Аннотация: Microorganisms are critical to maintaining stratified biogeochemical characteristics in meromictic lakes; however, their community composition and potential roles in nutrient cycling are not thoroughly described. Both metagenomics and metaviromics were used to determine the composition and capacity of archaea, bacteria, and viruses along the water column in the landlocked meromictic Lake Shunet in Siberia. Deep sequencing of 265 Gb and high-quality assembly revealed a near-complete genome corresponding to Nonlabens sp. sh3vir. in a viral sample and 38 bacterial bins (0.2-5.3 Mb each). The mixolimnion (3.0 m) had the most diverse archaeal, bacterial, and viral communities, followed by the monimolimnion (5.5 m) and chemocline (5.0 m). The bacterial and archaeal communities were dominated by Thiocapsa and Methanococcoides, respectively, whereas the viral community was dominated by Siphoviridae. The archaeal and bacterial assemblages and the associated energy metabolism were significantly related to the various depths, in accordance with the stratification of physicochemical parameters. Reconstructed elemental nutrient cycles of the three layers were interconnected, including co-occurrence of denitrification and nitrogen fixation in each layer and involved unique processes due to specific biogeochemical properties at the respective depths. According to the gene annotation, several pre-dominant yet unknown and uncultured bacteria also play potentially important roles in nutrient cycling. Reciprocal BLAST analysis revealed that the viruses were specific to the host archaea and bacteria in the mixolimnion. This study provides insights into the bacterial, archaeal, and viral assemblages and the corresponding capacity potentials in Lake Shunet, one of the three meromictic lakes in central Asia. Lake Shunet was determined to harbor specific and diverse viral, bacterial, and archaeal communities that intimately interacted, revealing patterns shaped by indigenous physicochemical parameters.

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Держатели документа:
Natl Pingtung Univ Sci & Technol, Dept Forestry, Neipu, Taiwan.
Acad Sinica, Biodivers Res Ctr, Taipei, Taiwan.
Germark Biotechnol Co Ltd, Taichung, Taiwan.
Univ Melbourne, Melbourne Sch Engn, Optimisat & Pattern Recognit Grp, Melbourne, Vic, Australia.
Acad Sinica, Taiwan Int Grad Program, Mol & Biol Agr Sci, Taipei, Taiwan.
Natl Chung Hsing Univ, Grad Inst Biotechnol, Dept Life Sci, Taichung, Taiwan.
Russian Acad Sci, Inst Biophys, Siberian Div, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.

Доп.точки доступа:
Wu, Yu-Ting; Yang, Cheng-Yu; Chiang, Pei-Wen; Tseng, Ching-Hung; Chiu, Hsiu-Hui; Saeed, Isaam; Baatar, Bayanmunkh; Rogozin, Denis; Halgamuge, Saman; Degermendzhi, Andrei; Tang, Sen-Lin; Ministry of Science and Technology in Taiwan [NSC 99-2923-B-001-001-MY3, NSC 102-2923-B-001-004]; Russian Foundation for Basic Research [16-05-00091-a]; Russian Federation [NSh-9249.2016.5]

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12.

Genetically encodable bioluminescent system from fungi / A. A. Kotlobay [et al.] // Proc. Natl. Acad. Sci. U. S. A. - 2018. - Vol. 115, Is. 50. - P12728-12732, DOI 10.1073/pnas.1803615115 . - ISSN 0027-8424
Кл.слова (ненормированные):
Bioluminescence -- Fungal luciferase -- Fungal luciferin biosynthesis
Аннотация: Bioluminescence is found across the entire tree of life, conferring a spectacular set of visually oriented functions from attracting mates to scaring off predators. Half a dozen different luciferins, molecules that emit light when enzymatically oxidized, are known. However, just one biochemical pathway for luciferin biosynthesis has been described in full, which is found only in bacteria. Here, we report identification of the fungal luciferase and three other key enzymes that together form the biosynthetic cycle of the fungal luciferin from caffeic acid, a simple and widespread metabolite. Introduction of the identified genes into the genome of the yeast Pichia pastoris along with caffeic acid biosynthesis genes resulted in a strain that is autoluminescent in standard media. We analyzed evolution of the enzymes of the luciferin biosynthesis cycle and found that fungal bioluminescence emerged through a series of events that included two independent gene duplications. The retention of the duplicated enzymes of the luciferin pathway in nonluminescent fungi shows that the gene duplication was followed by functional sequence divergence of enzymes of at least one gene in the biosynthetic pathway and suggests that the evolution of fungal bioluminescence proceeded through several closely related stepping stone nonluminescent biochemical reactions with adaptive roles. The availability of a complete eukaryotic luciferin biosynthesis pathway provides several applications in biomedicine and bioengineering. © 2018 National Academy of Sciences. All Rights Reserved.

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Держатели документа:
Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, 117997, Russian Federation
Planta LLC, Moscow, 121205, Russian Federation
Institute of Science and Technology Austria, Klosterneuburg, 3400, Austria
Medical Research Council London Institute of Medical Sciences, Imperial College London, London, W12 0NN, United Kingdom
Centre for Genomic Regulation, Barcelona Institute for Science and Technology, Barcelona, 08003, Spain
Universitat Pompeu Fabra, Barcelona, 08003, Spain
Evrogen JSC, Moscow, 117997, Russian Federation
Institute of Biophysics, Federal Research Center Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Moscow, 142290, Russian Federation
Pirogov Russian National Research Medical University, Moscow, 117997, Russian Federation
Biomedical Nanomaterials, National Research Technological University (MISiS), Moscow, 119049, Russian Federation
Skolkovo Institute of Science and Technology, Moscow, 121205, Russian Federation
Departamento de Bioquimica, Instituto de Quimica, Universidade de Sao Paulo, Sao Paulo, 05508-000, Brazil
Departamento de Oceanografia Fisica, Quimica e Geologica, Instituto Oceanografico, Universidade de Sao Paulo, Sao Paulo, 05508-120, Brazil
Department of Environmental Biology, Chubu University, Kasugai, 487-8501, Japan
Catalan Institution for Research and Advanced Studies (ICREA), Barcelona, 08010, Spain
Departamento de Quimica Fundamental, Instituto de Quimica, Universidade de Sao Paulo, Sao Paulo, 05508-000, Brazil

Доп.точки доступа:
Kotlobay, A. A.; Sarkisyan, K. S.; Mokrushina, Y. A.; Marcet-Houben, M.; Serebrovskaya, E. O.; Markina, N. M.; Somermeyer, L. G.; Gorokhovatsky, A. Y.; Vvedensky, A.; Purtov, K. V.; Petushkov, V. N.; Rodionova, N. S.; Chepurnyh, T. V.; Fakhranurova, L. I.; Guglya, E. B.; Ziganshin, R.; Tsarkova, A. S.; Kaskova, Z. M.; Shender, V.; Abakumov, M.; Abakumova, T. O.; Povolotskaya, I. S.; Eroshkin, F. M.; Zaraisky, A. G.; Mishin, A. S.; Dolgov, S. V.; Mitiouchkina, T. Y.; Kopantzev, E. P.; Waldenmaier, H. E.; Oliveira, A. G.; Oba, Y.; Barsova, E.; Bogdanova, E. A.; Gabaldon, T.; Stevani, C. V.; Lukyanov, S.; Smirnov, I. V.; Gitelson, J. I.; Kondrashov, F. A.; Yampolsky, I. V.

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13.

Functional divergence between evolutionary-related LuxG and Fre oxidoreductases of luminous bacteria / A. A. Deeva [et al.] // Proteins. - 2019. - Vol. 87, Is. 9. - P723-729, DOI 10.1002/prot.25696. - Cited References:39. - The Russian Foundation for Basic Research and Krasnoyarsk Region Science and Technology Support Fund, Grant/Award Number: 18-44-243009; Ministry of Education and Science of the Russian Federation, Grant/Award Numbers: 0356-2019-0019, 6.7734.2017 . - ISSN 0887-3585. - ISSN 1097-0134

РУБ Biochemistry & Molecular Biology + Biophysics
Рубрики:
ESCHERICHIA-COLI
FLAVIN OXIDOREDUCTASE
CRYSTAL-STRUCTURE
Кл.слова (ненормированные):
bacterial bioluminescence -- Fre -- functional divergence -- gene duplication -- LuxG -- NAD(P)H -- flavin-oxidoreductase
Аннотация: In luminous bacteria NAD(P)H:flavin-oxidoreductases LuxG and Fre, there are homologous enzymes that could provide a luciferase with reduced flavin. Although Fre functions as a housekeeping enzyme, LuxG appears to be a source of reduced flavin for bioluminescence as it is transcribed together with luciferase. This study is aimed at providing the basic conception of Fre and LuxG evolution and revealing the peculiarities of the active site structure resulted from a functional variation within the oxidoreductase family. A phylogenetic analysis has demonstrated that Fre and LuxG oxidoreductases have evolved separately after the gene duplication event, and consequently, they have acquired changes in the conservation of functionally related sites. Namely, different evolutionary rates have been observed at the site responsible for specificity to flavin substrate (Arg 46). Also, Tyr 72 forming a part of a mobile loop involved in FAD binding has been found to be conserved among Fre in contrast to LuxG oxidoreductases. The conservation of different amino acid types in NAD(P)H binding site has been defined for Fre (arginine) and LuxG (proline) oxidoreductases.

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Держатели документа:
Siberian Fed Univ, Lab Bioluminescent Biotechnol, Svobodny Prosp 79, Krasnoyarsk 660041, Russia.
RAS, Inst Cell Biophys, Mech Cell Genome Functioning Lab, Pushchino, Moscow Region, Russia.
State Inst Informat Technol & Telecommun SIIT & T, Dept Appl Res Informatizat, Moscow, Russia.
RAS, Fed Res Ctr, Krasnoyarsk Sci Ctr SB, Lab Photobiol,Inst Biophys SB, Krasnoyarsk, Russia.

Доп.точки доступа:
Deeva, Anna A.; Zykova, Evgenia A.; Nemtseva, Elena V.; Kratasyuk, Valentina A.; Nemtseva, Elena; Russian Foundation for Basic Research [18-44-243009]; Ministry of Education and Science of the Russian Federation [0356-2019-0019, 6.7734.2017]; Krasnoyarsk Region Science and Technology [18-44-243009]

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14.

Methanolobus halotolerans sp. nov., isolated from the saline Lake Tus in Siberia / Y. Shen, S. C. Chen, M. C. Lai [et al.] // Int. J. Syst. Evol. Microbiol. - 2020. - Vol. 70, Is. 10. - P5586-5593, DOI 10.1099/ijsem.0.004453. - Cited References:38. - This work was supported by grants from the Ministry of Education, Taiwan, ROC under the ATU plan (to M.C.L.), by the thematic project funding of Taiwan-Russian Joint Project (NSC99-2923-B-001-001-MY3 and NSC102-2923-B-001-004 to S.L.T.), by the Ministry of Science and Technology (MOST103/104/105/106/107-3113-M-005-001 to M.C.L.), Taiwan and the Russian Foundation for Basic Research, Grant No. 14-04-01060-a (to D.Y.R. and A.G.D.). . - ISSN 1466-5026. - ISSN 1466-5034

РУБ Microbiology
Рубрики:
TAIWANENSIS SP NOV.
   METHYLOTROPHIC METHANOGEN
   SEDIMENTS
   ACCURATE
   DNA
Аннотация: A halotolerant, psychrotolerant and methylotrophic methanogen, strain SY-01(T), was isolated from the saline Lake Tus in Siberia. Cells of strain SY-01(T) were non-motile, cocci and 0.8-1.0 mu m in diameter. The only methanogenic substrate utilized by strain SY-01(T) was methanol. The temperature range of growth for strain SY-01(T) was from 4 to 40 degrees C and the optimal temperature for growth was 30 degrees C. The pH range of growth was from pH 7.2 to 9.0, with optimal growth at pH 8.0. The NaCl range of growth was 0-1.55 M with optimal growth at 0.51 M NaCl. The G+C content of the genome of strain SY-01(T) was 43.6 mol% as determined by genome sequencing. Phylogenetic analysis revealed that strain SY-01(T) was most closely related to Methanolobus zinderi SD1(T) (97.3% 16S rRNA gene sequence similarity), and had 95.5-97.2 % similarities to other Methanolobus species with valid names. Genome relatedness between strain SY-01(T) and DSM 21339(T) was computed using average nucleotide identity and digital DNA-DNA-hybridization, which yielded values of 79.7 and 21.7 %, respectively. Based on morphological, phenotypic, phylogenetic and genomic relatedness data presented here, it is evident that strain SY-01(T) represents a novel species of the genus Methanolobus, and the name Methanolobus halotolerans sp. nov. is proposed. The type strain is SY-01(T) (=BCRC AR10051(T)=NBRC 113166(T)=DSM 107642(T)).

WOS
Держатели документа:
Natl Chung Hsing Univ, Dept Life Sci, Taichung, Taiwan.
Sanming Univ, Sch Resources & Chem Engn, Sanming 365004, Fujian, Peoples R China.
Sanming Univ, Fujian Prov Key Lab Resources & Environm Monitori, Sanming 365004, Fujian, Peoples R China.
Natl Chung Hsing Univ, Agr Biotechnol Ctr, Taichung, Taiwan.
Acad Sinica, Biodivers Res Ctr, Taipei, Taiwan.
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Shen, Y.a.; Chen, Sheng-Chung; Lai, Mei-Chin; Huang, Hsing-Hua; Chiu, Hsiu-Hui; Tang, Sen-Lin; Rogozin, Denis Yu; Degermendzhy, Andrey G.; Ministry of Education, Taiwan, ROC under the ATU planMinistry of Education, Taiwan; thematic project funding of Taiwan-Russian Joint Project [NSC99-2923-B-001-001-MY3, NSC102-2923-B-001-004]; Ministry of Science and Technology, TaiwanMinistry of Science and Technology, Taiwan [MOST103/104/105/106/107-3113-M-005-001]; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [14-04-01060-a]

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15.

Salvaging high-quality genomes of microbial species from a meromictic lake using a hybrid sequencing approach / Y. H. Chen, P. W. Chiang, D. Y. Rogozin [et al.] // Commun. Biol. - 2021. - Vol. 4, Is. 1. - Ст. 996, DOI 10.1038/s42003-021-02510-6. - Cited References:99. - Y This work was supported by the Ministry of Science and Technology in Taiwan through the Taiwan-Russia Joint Project Grant NSC 102-2923-B-001-004-MY3 and Russian Foundation for Basic Research Grant 21-54-52001 and MOST 105-2923-B-001-001-MY3. Y.H.C. would like to acknowledge the Taiwan International Graduate Program (TIGP) for its fellowship towards his graduate studies. We would like to thank Noah Last of Third Draft Editing for his English language editing. . - ISSN 2399-3642

РУБ Biology + Multidisciplinary Sciences
Рубрики:
DIMETHYL SULFIDE
   SULFUR BACTERIUM
   SP-NOV.
   CHLAMYDIALES
   METAGENOME
Аннотация: Most of Earth's bacteria have yet to be cultivated. The metabolic and functional potentials of these uncultivated microorganisms thus remain mysterious, and the metagenome-assembled genome (MAG) approach is the most robust method for uncovering these potentials. However, MAGs discovered by conventional metagenomic assembly and binning are usually highly fragmented genomes with heterogeneous sequence contamination. In this study, we combined Illumina and Nanopore data to develop a new workflow to reconstruct 233 MAGs-six novel bacterial orders, 20 families, 66 genera, and 154 species-from Lake Shunet, a secluded meromictic lake in Siberia. With our workflow, the average N50 of reconstructed MAGs greatly increased 10-40-fold compared to when the conventional Illumina assembly and binning method were used. More importantly, six complete MAGs were recovered from our datasets. The recovery of 154 novel species MAGs from a rarely explored lake greatly expands the current bacterial genome encyclopedia. Chen and colleagues develop a workflow for assembling high quality metagenome-associated genomes for microbial species using long and short reads, in this case from a meromictic lake. A full, detailed workflow is provided in for use by the community.

WOS
Держатели документа:
Natl Taiwan Univ, Taiwan Int Grad Program, Bioinformat Program, Taipei, Taiwan.
Acad Sinica, Taiwan Int Grad Program, Bioinformat Program, Inst Informat Sci, Taipei, Taiwan.
Acad Sinica, Biodivers Res Ctr, Taipei, Taiwan.
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.

Доп.точки доступа:
Chen, Yu-Hsiang; Chiang, Pei-Wen; Rogozin, Denis Yu; Degermendzhy, Andrey G.; Chiu, Hsiu-Hui; Tang, Sen-Lin; Ministry of Science and Technology in Taiwan through the Taiwan-Russia Joint Project [NSC 102-2923-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]; Taiwan International Graduate Program (TIGP)

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16.

Single-cell genomics-based analysis reveals a vital ecological role of thiocapsa sp. LSW in the meromictic Lake Shunet, Siberia / Y.-T. Wu, P.-W. Chiang, K. Tandon [et al.] // Microb. Genomics. - 2021. - Vol. 7, Is. 12. - Ст. 000712, DOI 10.1099/mgen.0.000712 . - ISSN 2057-5858
Кл.слова (ненормированные):
Flow cytometry -- Lake Shunet -- Purple sulfur bacteria -- Single-cell genomics -- genomic DNA -- RNA 16S -- Article -- bioinformatics -- carbon metabolism -- Enterobacter -- fluorescence activated cell sorting -- gene amplification -- gene ontology -- high throughput sequencing -- metagenomics -- microbial community -- microbial diversity -- molecular genetics -- nitrogen metabolism -- nonhuman -- nucleotide sequence -- phylogenetic tree -- phylogeny -- polymerase chain reaction -- Sanger sequencing -- Thiocapsa
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.

Scopus
Держатели документа:
Department of Forestry, National Pingtung University of Science and Technology, Pingtung, 91201, Taiwan
Biodiversity Research Center, Academia Sinica, Taipei, 115, Taiwan
Institute of Biophysics, Siberian Division of the Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Wu, Y. -T.; Chiang, P. -W.; Tandon, K.; Rogozin, D. Y.; Degermendzhy, A. G.; Tang, S. -L.

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17.

Single- cell genomics-based analysis reveals a vital ecological role of Thiocapsa sp. LSW in the meromictic Lake Shunet, Siberia / Y. T. Wu, P. W. Chiang, K. Tandon [et al.] // Microb. Genomics. - 2021. - Vol. 7, Is. 12. - Ст. 000712, DOI 10.1099/mgen.0.000712. - 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). . - ISSN 2057-5858

РУБ Genetics & Heredity + Microbiology
Рубрики:
PHOTOTROPHIC BACTERIAL COMMUNITY
PURPLE SULFUR BACTERIUM
SP NOV.
Кл.слова (ненормированные):
flow cytometry -- Lake Shunet -- purple sulfur bacteria -- single-cell -- genomics
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.

WOS
Держатели документа:
Natl Pingtung Univ Sci & Technol, Dept Forestry, Pingtung 91201, Taiwan.
Acad Sinica, Biodivers Res Ctr, Taipei 115, Taiwan.
Russian Acad Sci, Inst Biophys, Siberian Div, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.

Доп.точки доступа:
Wu, Yu-Ting; Chiang, Pei-Wen; Tandon, Kshitij; Rogozin, Denis Yu; Degermendzhy, Andrey G.; Tang, Sen-Lin; 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]

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