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Geographical and seasonal distribution of multiple antibiotic resistance of heterotrophic bacteria of Lake Shira / T. I. Lobova [et al.] // Aquatic Ecology. - 2002. - Vol. 36, Is. 2. - P299-307, DOI 10.1023/A:1015618820450 . - ISSN 1386-2588
Кл.слова (ненормированные):
Ampicillin -- Brackish lake -- Halotolerance -- Heterotrophic bacteria -- Horizontal gene transfer -- Kanamycin -- Multiple antibiotic resistance -- antibiotics -- bacterium -- drug resistance -- geographical distribution -- saline lake -- salinity tolerance -- seasonal variation -- Russian Federation -- Bacteria (microorganisms)
Аннотация: From 1996 to 1999 heterotrophic bacteria of the brackish-water Lake Shira (Republic of Khakasia, Russia) were studied to understand the seasonal dynamics of their antibiotic resistance. During the winter, these bacteria were represented primarily by forms that could not be cultured and were psychrotolerant. In the summer period, heterotrophic, mesophilic bacteria increased in number. The percentages of isolates with multiple, antibiotic resistance isolated from the lake region near the resort area of the lake were 2-3 times higher than those from the central part of the lake. A decline in the bacterial numbers with multiple antibiotic resistance was observed during the cold period (February-March). Various mechanisms of multiple, antibiotic resistance of heterotrophic bacteria isolated from Shira lake are discussed.

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

Доп.точки доступа:
Lobova, T.I.; Maksimova, E.Ye.; Popova, L.Yu.; Pechurkin, N.S.

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Psychrophilic and psychrotolerant heterotrophic microorganisms of Middle Siberian karst cavities / S. V. Khizhnyak [et al.] // Russian Journal of Ecology. - 2003. - Vol. 34, Is. 4. - P231-235, DOI 10.1023/A:1024537513439 . - ISSN 1067-4136
Кл.слова (ненормированные):
Caves -- Heterotrophic microorganisms -- Karst cavities -- Psychorophilic and psychrotolerant microorganisms -- bacterium -- cavernicolous species -- fungus -- heterotrophy -- karst -- low temperature -- Russian Federation -- Arthrobacter -- Bacteria (microorganisms) -- Chrysosporium -- Corynebacteriaceae -- Fungi -- Mucor -- Penicillium -- Pseudomonas
Аннотация: The natural microflora of Middle Siberian karst cavities, which comprises psychrotolerant bacteria and fungi capable of growing at 3-15 and 3...+28В°C, respectively, has been studied. Bacteria are ubiquitous in caves, their count varying from 103 to 107 cells/g ground. The bacteria have been identified as Pseudomonas, Arthrobacter, Bacillus, and coryneform bacteria. Fungi have been found in places exposed to increased anthropogenic impact, their count being as large as 106 to 107 cells/g ground. Mucor, Penicillium, and Chrysosporium were dominant fungal genera.

Scopus
Держатели документа:
Krasnoyarsk State Agrarian Univ., Pr. Mira 88, Krasnoyarsk 660001, Russian Federation
Institute of Biophysics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Khizhnyak, S.V.; Tausheva, I.V.; Berezikova, A.A.; Nesterenko, E.V.; Rogozin, D.Yu.

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Psychrophilic and psychrotolerant heterotrophic microorganisms of Middle Siberian karst cavities [Text] / S. V. Khizhnyak [et al.] // Russ. J. Ecol. - 2003. - Vol. 34, Is. 4. - P. 231-235, DOI 10.1023/A:1024537513439. - Cited References: 12 . - ISSN 1067-4136

РУБ Ecology

Кл.слова (ненормированные):
psychrophilic and psychrotolerant microorganisms -- karst cavities -- caves -- heterotrophic microorganisms
Аннотация: The natural microflora of Middle Siberian karst cavities, which comprises psychrotolerant bacteria and fungi capable of growing at 3-15 and 3...+28degreesC, respectively, has been studied. Bacteria are ubiquitous in caves, their count varying from 10(3) to 10(7) cells/g ground. The bacteria have been identified as Pseudomonas, Arthrobacter, Bacillus, and coryneform bacteria. Fungi have been found in places exposed to increased anthropogenic impact, their count being as large as 10(6) to 10(7) cells/g ground. Mucor Penicillium, and Chrysosporium were dominant fungal genera.

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Держатели документа:
Krasnoyarsk State Agrarian Univ, Krasnoyarsk 660001, Russia
Russian Acad Sci, Siberian Div, Inst Biophys, Krasnoyarsk 660036, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Khizhnyak, S.V.; Tausheva, I.V.; Berezikova, A.A.; Nesterenko, E.V.; Rogozin, D.Y.

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Distribution of heterotrophic bacteria in Lake Shira [Text] / T. I. Lobova, L. V. Listova, L. Y. Popova // Microbiology. - 2004. - Vol. 73, Is. 1. - P. 89-93, DOI 10.1023/B:MICI.0000016375.87884.fc. - Cited References: 12 . - ISSN 0026-2617

РУБ Microbiology

Кл.слова (ненормированные):
saline lakes -- halotolerance -- mesophilic and psychrotolerant heterotrophic bacteria -- autochthonous and allochthonous microorganisms
Аннотация: A study of the horizontal and vertical distribution of heterotrophic bacteria in brackish Lake Shira in summer periods showed that mesophilic bacteria dominated in all areas of the lake, whereas psychrotolerant bacteria dominated in the metalimnion and hypolimnion of its central part. Nonhalophilic bacteria were mostly mesophilic and dominated in coastal waters. Most psychrotolerant bacteria were able to grow in the presence of 5-10% NaCl. Heterotrophic bacteria isolated in different regions of the lake were identified to a generic level. The isolates were classified into autochthonous and allochthonous microorganisms on the bases of their distribution pattern in the lake water, halotolerance, and ability to grow at low temperatures.

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:
Lobova, T.I.; Listova, L.V.; Popova, L.Y.

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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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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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