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Kazlagić A, Abud OA, Ćibo M, Hamidović S, Borovac B, Omanović-Mikličanin E. Green synthesis of silver nanoparticles using apple extract and its antimicrobial properties. HEALTH AND TECHNOLOGY 2019. [DOI: 10.1007/s12553-019-00378-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Dahal RH, Kim J. Glaciihabitans arcticus sp. nov., a psychrotolerant bacterium isolated from Arctic soil. Int J Syst Evol Microbiol 2019; 69:2492-2497. [DOI: 10.1099/ijsem.0.003520] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Ram Hari Dahal
- Department of Life Science, College of Natural Sciences, Kyonggi University, Suwon Gyeonggi-Do 16227, Republic of Korea
| | - Jaisoo Kim
- Department of Life Science, College of Natural Sciences, Kyonggi University, Suwon Gyeonggi-Do 16227, Republic of Korea
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Dahal RH, Chaudhary DK, Kim J. Rurimicrobium arvi gen. nov., sp. nov., a member of the family Chitinophagaceae isolated from farmland soil. Int J Syst Evol Microbiol 2017; 67:5235-5243. [DOI: 10.1099/ijsem.0.002452] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Ram Hari Dahal
- Department of Life Science, College of Natural Sciences and Engineering, Kyonggi University, Suwon, Gyeonggi-Do 16227, Republic of Korea
| | - Dhiraj Kumar Chaudhary
- Department of Life Science, College of Natural Sciences and Engineering, Kyonggi University, Suwon, Gyeonggi-Do 16227, Republic of Korea
| | - Jaisoo Kim
- Department of Life Science, College of Natural Sciences and Engineering, Kyonggi University, Suwon, Gyeonggi-Do 16227, Republic of Korea
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Dahal RH, Shim DS, Kim J. Description of Actinokineospora acnipugnans sp. nov., an actinomycete isolated from soil, showing potential uses in cosmetics. Int J Syst Evol Microbiol 2017; 67:3043-3049. [DOI: 10.1099/ijsem.0.002078] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Affiliation(s)
- Ram Hari Dahal
- Department of Life Science, College of Natural Sciences, Kyonggi University, Suwon, Gyeonggi-Do 16227, Republic of Korea
| | - Dong Seop Shim
- Innogene, Co., #301 Woolim E-biz Center1, 28, Digital-ro 33-gil, Guro-gu, Seoul 08337, Republic of Korea
| | - Jaisoo Kim
- Department of Life Science, College of Natural Sciences, Kyonggi University, Suwon, Gyeonggi-Do 16227, Republic of Korea
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Dahal RH, Shim DS, Kim JY, Kim J. Calidifontibacter terrae sp. nov., an actinomycete isolated from soil, with potential applications in cosmetics. Int J Syst Evol Microbiol 2017. [PMID: 28629492 DOI: 10.1099/ijsem.0.001893] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
An aerobic, Gram-stain-positive, oxidase- and catalase-positive, non-motile, non-spore-forming, coccoid, creamish-white-coloured bacterium, designated strain R161T, was isolated from soil in Hwaseong, South Korea. The cell-wall peptidoglycan contained glycine, glutamic acid, alanine, aspartic acid, serine and lysine, and whole-cell sugars were galactose, rhamnose, glucose and ribose. Strain R161T showed antibacterial and enzyme inhibitory activities. Phylogenetic analysis based on the 16S rRNA gene sequence revealed that strain R161T formed a lineage within the family Dermacoccaceae, and showed highest sequence similarity with type strains of Calidifontibacter indicus PC IW02T (97.71 % sequence similarity) and Yimella lutea YIM 45900T (97.58 %). The sequence similarity of strain R161T with type strains of members of the genus Dermacoccus was less than 96.5 %. The major menaquinone was MK-8(H4). The major polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol and phosphatidylinositol mannosides. The major cellular fatty acids were iso-C16 : 0, anteiso-C17 : 0, iso-C16 : 1 H, anteiso-C17 : 1ω9c, summed feature 9 (iso-C17 : 1ω9c and/or C16 : 0 10-methyl) and iso-C15 : 0. The DNA G+C content of strain R161T was 73.9 mol%. The DNA-DNA hybridization value between strain R161T and C. indicus JCM 16038T was 52.1 %. On the basis of phenotypic, genotypic, chemotaxonomic and phylogenetic analysis, strain R161T represents a novel species of genus Calidifontibacter, for which the name Calidifontibacter terrae sp. nov. is proposed. The type strain of Calidifontibacter terrae sp. nov. is R161T (=KEMB 9005-404T=KACC 18906T=JCM 31558T).
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Affiliation(s)
- Ram Hari Dahal
- Department of Life Science, College of Natural Sciences, Kyonggi University, Suwon, Gyeonggi-Do 16227, Republic of Korea
| | - Dong Seop Shim
- Innogene, Co., #301 Woolim E-biz Center1, 28, Digital-ro 33-gil, Guro-gu, Seoul 08337, Republic of Korea
| | - Joon Young Kim
- Division of Creative Liberal Arts, Hoseo University, 20 Hoseoro 79 beongil, Baebangeup, Asan, Republic of Korea
| | - Jaisoo Kim
- Department of Life Science, College of Natural Sciences, Kyonggi University, Suwon, Gyeonggi-Do 16227, Republic of Korea
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Acinetobacter halotolerans sp. nov., a novel halotolerant, alkalitolerant, and hydrocarbon degrading bacterium, isolated from soil. Arch Microbiol 2017; 199:701-710. [PMID: 28220203 DOI: 10.1007/s00203-017-1349-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Revised: 01/02/2017] [Accepted: 01/24/2017] [Indexed: 10/20/2022]
Abstract
A novel aerobic, non-motile, halotolerant, alkalitolerant, hydrocarbon degrading, and rod shaped bacterium, designated strain R160T, was isolated from soil in South Korea. Cells were Gram-staining-negative, catalase-positive, and oxidase-negative. This strain grew up to 7% of NaCl and in the pH range of 6-11 (optimum 7.0-10.0). The isolate degraded 51.7 ± 1.3% of hydrocarbon components (C-18, C-20, and C-22) and 45.8 ± 1.4% oil components (kerosene, diesel, and gasoline). Phylogenetic analysis based on 16 S rRNA gene sequences revealed that strain R160T formed a lineage within the genus Acinetobacter, and was closely related to 'Acinetobacter oleivorans' DR1T (97.47%, sequence similarity). Other closely related members have sequence similarity between 97.47 to 96.52%. The predominant respiratory lipoquinones of strain R160T were ubiquinone 9 (Q-9) and ubiquinone 8 (Q-8). The major polar lipids were phosphatidylethanolamine (PE), diphosphatidylglycerol (DPG), phosphatidylglycerol (PG), and phosphatidylcholine (PC). The major cellular fatty acids were 9-octadecenoic acid (C18:1 ω9c), hexadecanoic acid (C16:0), and summed feature (comprising C16:1 ω7c and/or C16:1 ω6c). The DNA G + C content of strain R160T was 44.9 mol%. On the basis of phenotypic, genotypic, chemotaxonomic, and phylogenetic characteristics, strain R160T represents a novel species of the genus Acinetobacter, for which the name Acinetobacter halotolerans sp. nov. is proposed. The type strain is R160T (= KEMB 9005-333T = KACC 18453T = JCM 31009T).
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Chaudhary DK, Kim J. Sphingomonas naphthae sp. nov., isolated from oil-contaminated soil. Int J Syst Evol Microbiol 2016; 66:4621-4627. [DOI: 10.1099/ijsem.0.001400] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Dhiraj Kumar Chaudhary
- Department of Life Science, College of Natural Sciences, Kyonggi University, Suwon, Gyeonggi-Do 16227, Republic of Korea
| | - Jaisoo Kim
- Department of Life Science, College of Natural Sciences, Kyonggi University, Suwon, Gyeonggi-Do 16227, Republic of Korea
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Chaudhary DK, Kim J. Novosphingobium naphthae sp. nov., from oil-contaminated soil. Int J Syst Evol Microbiol 2016; 66:3170-3176. [DOI: 10.1099/ijsem.0.001164] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Dhiraj Kumar Chaudhary
- Department of Life Science, College of Natural Sciences, Kyonggi University, Suwon, Kyonggi-Do 16227, Republic of Korea
| | - Jaisoo Kim
- Department of Life Science, College of Natural Sciences, Kyonggi University, Suwon, Kyonggi-Do 16227, Republic of Korea
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Dahal RH, Kim J. Pedobacter humicola sp. nov., a member of the genus Pedobacter isolated from soil. Int J Syst Evol Microbiol 2016; 66:2205-2211. [DOI: 10.1099/ijsem.0.001010] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Ram Hari Dahal
- Department of Life Science, College of Natural Sciences, Kyonggi University, Suwon, Kyonggi-Do 443-760, South Korea
| | - Jaisoo Kim
- Department of Life Science, College of Natural Sciences, Kyonggi University, Suwon, Kyonggi-Do 443-760, South Korea
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Abstract
An aerobic, Gram-stain-negative, oxidase-positive and catalase-negative, non-motile, non-spore-forming, rod-shaped, orange-pigmented bacterium designated strain R384T was isolated from soil. Flexirubin-type pigments were present. Phylogenetic analysis based on its 16S rRNA gene sequence revealed that strain R384T formed a lineage within the family Chitinophagaceae of the phylum Bacteroidetes that was distinct from various species of the genus Niabella, including 'Niabella thaonhiensis' NHI-24 (98.47 % sequence similarity), Niabellaaurantiaca DSM 17617T (96.89 %), Niabelladrilacis E90T (96.63 %), Niabellahirudinis E96T (96.61 %), Niabellatibetensis 15-4T (95.53 %), Niabellasoli DSM 19437T (94.81 %), Niabellaginsengisoli GR10-1T (94.19 %) and Niabellayanshanensis CCBAU 05354T (93.67 %). The major isoprenoid quinone was menaquinone-7 (MK-7) and the major polar lipid was phosphatidylethanolamine. The major cellular fatty acids were iso-C15 : 0, iso-C15 : 1 G, summed feature 3 (C16 : 1ω7c/C16 : 1ω6c) and iso-C17 : 0 3-OH. The DNA G+C content of strain R384Twas 44.7 mol %. DNA-DNA hybridization values between strain R384T and other members of the genus Niabella ranged from 26 to 55 %. On the basis of phenotypic, genotypic and phylogenetic analysis, strain R384T represents a novel species of the genus Niabella, for which the name Niabellapedocola sp. nov. is proposed. The type strain is R384T (=KEMB 9005-329T=KACC 18454T=JCM 31011T).
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Affiliation(s)
- Ram Hari Dahal
- Department of Life Science, College of Natural Sciences, Kyonggi University, Suwon, Kyonggi-Do 443-760, South Korea
| | - Jaisoo Kim
- Department of Life Science, College of Natural Sciences, Kyonggi University, Suwon, Kyonggi-Do 443-760, South Korea
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Dahal RH, Kim J. Rhabdobacter roseus gen. nov., sp. nov., isolated from soil. Int J Syst Evol Microbiol 2016; 66:308-314. [DOI: 10.1099/ijsem.0.000714] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Ram Hari Dahal
- Department of Life Science, College of Natural Sciences, Kyonggi University, Suwon, Kyonggi-Do 443-760, South Korea
| | - Jaisoo Kim
- Department of Life Science, College of Natural Sciences, Kyonggi University, Suwon, Kyonggi-Do 443-760, South Korea
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Kundu P, Pramanik A, Mitra S, Choudhury JD, Mukherjee J, Mukherjee S. Heterotrophic nitrification by Achromobacter xylosoxidans S18 isolated from a small-scale slaughterhouse wastewater. Bioprocess Biosyst Eng 2011; 35:721-8. [PMID: 22130566 DOI: 10.1007/s00449-011-0652-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2011] [Accepted: 11/02/2011] [Indexed: 11/30/2022]
Abstract
Heterotrophic carbon utilizing microbes were acclimatized in the laboratory by inoculating sludge collected from the waste discharge pond of a small-scale rural abattoir in India in a nutrient solution intermittently fed with glucose and ammonium chloride. Cultures of 10 well-developed isolates were selected and grown in a basal medium containing glucose and ammonium chloride. Culture supernatants were periodically analyzed for ammonium nitrogen (NH(4)(+)-N) and chemical oxygen demand (COD). Polyphasic taxonomic study of the most active nitrifier (S18) was done. Half saturation concentration (K(s)), maximum rate of substrate utilization (k), yield coefficient (Y) and decay coefficient (K(d)) were determined from the Lineweaver-Burk plot using the modified Monod equation. S18 was able to remove 97 ± 2% of (NH(4)(+)-N) and 88 ± 3% of COD. Molecular phylogenetic study supported by physiological and biochemical characteristics assigned S18 as Achromobacter xylosoxidans. Nitrification activity of A. xylosoxidans was demonstrated for the first time, while interestingly, the distinctive anaerobic denitrification property was preserved in S18. K (s) values were determined as 232.13 ± 1.5 mg/l for COD reduction and 2.131 ± 1.9 mg/l for NH(4)(+)-N utilization. Yield coefficients obtained were 0.4423 ± 0.1134 mg of MLVSS/mg of COD and 0.2461 ± 0.0793 mg of MLVSS/mg of NH(4)(+)-N while the decay coefficients were 0.0627 ± 0.0013 per day and 0.0514 ± 0.0008 per day, respectively. After a contact period of 24 h, 650 ± 5 mg/l solids were produced when the initial concentration of COD and NH(4)(+)-N were 1820 ± 10 mg/l and 120 ± 5.5 mg/l, respectively. This is the first report on the kinetic coefficients for carbon oxidation and nitrification by a single bacterium isolated from slaughterhouse wastewater.
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Affiliation(s)
- Pradyut Kundu
- Department of Civil Engineering, Jadavpur University, Kolkata, India
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FOUAD MTA, RICHARDS T. THE USE OF GLUCOSE INORGANIC SALTS MEDIA IN THE CLASSIFICATION OF THE COLI-AEROGENES BACTERIA. I. THE METHYL RED AND VOGES-PROSKAUER REACTIONS. ACTA ACUST UNITED AC 2008. [DOI: 10.1111/j.1365-2672.1953.tb00026.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Levine M. Determination and Characterization of Coliform Bacteria from Chlorinated Waters. Am J Public Health Nations Health 2008; 31:351-8. [PMID: 18015416 DOI: 10.2105/ajph.31.4.351] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Affiliation(s)
- R H Vaughn
- Department of Bacteriology, Iowa State College, Ames, Iowa
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West NS, Gililland JR, Vaughn RH. Characteristics of Coliform Bacteria from Olives. J Bacteriol 2006; 41:341-53. [PMID: 16560404 PMCID: PMC374700 DOI: 10.1128/jb.41.3.341-353.1941] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- N S West
- Division of Fruit Products, University of California, Berkeley, California
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Osterman E, Rettger LF. A Comparative Study of Organisms of the Friedländer and Coli-aerogenes Groups. J Bacteriol 1941; 42:721-43. [PMID: 16560482 PMCID: PMC374790 DOI: 10.1128/jb.42.6.721-743.1941] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- E Osterman
- Department of Bacteriology, Yale University
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