scholarly journals Youhaiella tibetensis gen. nov., sp. nov., isolated from subsurface sediment

2015 ◽  
Vol 65 (Pt_7) ◽  
pp. 2048-2055 ◽  
Author(s):  
Yun-xiang Wang ◽  
Fa-qi Huang ◽  
Yuichi Nogi ◽  
Shou-ji Pang ◽  
Ping-kang Wang ◽  
...  

A Gram-reaction-negative bacterial strain, designated fig4T, was isolated from a subsurface sediment core of Qiangtang Basin permafrost in China. Cells were catalase- and oxidase-positive and rods. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain fig4T was a member of the family Hyphomicrobiaceae and was most closely related to members of the genera Pelagibacterium, Vasilyevaea and Devosia with 93.8–96.2 % sequence similarities. The major cellular fatty acids were C16 : 0, C18 : 0, 11-methyl C18 : 1ω7c, C19 : 0 cyclo ω8c and summed feature 8 (C18 : 1ω7c and/or C18 : 1ω6c). The major respiratory quinone was Q-10 and the major polar lipids were diphosphatidylglycerol, phosphatidylglycerol and two unknown glycolipids. The DNA G+C content was 60.7 mol%. Based on the phenotypic, phylogenetic and genotypic data, strain fig4T is considered to represent a novel species of a new genus in the family Hyphomicrobiaceae, for which the name Youhaiella tibetensis gen. nov., sp. nov. is proposed. The type strain is fig4T ( = CGMCC 1.12719T = JCM 19854T).

2015 ◽  
Vol 65 (Pt_7) ◽  
pp. 2260-2264 ◽  
Author(s):  
Wen-Jie Wu ◽  
Qian-Qian Liu ◽  
Guan-Jun Chen ◽  
Zong-Jun Du

A Gram-stain-negative, facultatively anaerobic, non-motile and pink-pigmented bacterium, designated strain HF08T, was isolated from marine sediment of the coast of Weihai, China. Cells were rod-shaped, and oxidase- and catalase-positive. The isolate grew optimally at 33 °C, at pH 7.5–8.0 and with 2–3 % (w/v) NaCl. The dominant cellular fatty acids were iso-C15 : 0, anteiso-C15 : 0 and iso-C14 : 0. Menaquinone 7 (MK-7) was the major respiratory quinone and the DNA G+C content was 44.8 mol%. Phylogenetic analysis based on 16S rRNA gene sequences revealed that the isolate was a member of the class Bacteroidia, and shared 88–90 % sequence similarity with the closest genera Sunxiuqinia, Prolixibacter, Draconibacterium, Mariniphaga and Meniscus. Based on the phylogenetic and phenotypic evidence presented, a novel species in a new genus of the family Prolixibacteraceae is proposed, with the name Roseimarinus sediminis gen. nov., sp. nov. The type strain of Roseimarinus sediminis is HF08T ( = KCTC 42261T = CICC 10901T).


2010 ◽  
Vol 60 (3) ◽  
pp. 580-584 ◽  
Author(s):  
Muhammad Yasir ◽  
Zubair Aslam ◽  
Geun Cheol Song ◽  
Che Ok Jeon ◽  
Young Ryun Chung

A Gram-stain-negative, rod-shaped bacterium, designated strain YC7378T was isolated from vermicompost (VC) collected at Masan, Korea, and its taxonomic position was investigated by using a polyphasic approach. Strain YC7378T grew optimally at 30 °C and at pH 6.5–8.5. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain YC7378T belongs to the genus Sphingosinicella in the family Sphingomonadaceae. The most closely related strains are Sphingosinicella soli KSL-125T (95.7 %), Sphingosinicella xenopeptidilytica 3-2W4T (95.6 %) and Sphingosinicella microcystinivorans Y2T (95.5 %). Strain YC7378T contained ubiquinone Q-10 as the major respiratory quinone system and sym-homospermidine as the major polyamine. The major fatty acids of strain YC7378T were C18 : 1 ω7c, C16 : 1 ω7c and/or iso-C15 : 0 2-OH, C14 : 0 2-OH and C16 : 0. The major polar lipids were sphingoglycolipid, diphosphatidylglycerol, phosphatidylglycerol and phosphatidylethanolamine. The total DNA G+C content was 59.4 mol%. The phenotypic, phylogenetic and chemotaxonomic data showed that strain YC7378T represents a novel species of the genus Sphingosinicella, for which the name Sphingosinicella vermicomposti sp. nov. is proposed. The type strain is YC7378T (=KCTC 22446T =DSM 21593T).


2015 ◽  
Vol 65 (Pt_11) ◽  
pp. 3866-3871 ◽  
Author(s):  
Miyuki Nishijima ◽  
Kyoko Adachi ◽  
Hiroshi Sano ◽  
Kazuhide Yamasato

Phylogenetic and taxonomic characterization was performed for a bacterium, designated strain Q-192T, isolated from the surface of the green macroalga Halimeda sp., collected from the subtropical Ishigaki Island, Japan. The isolate was a polysaccharide-producing, Gram-stain-negative, aerobic, rod-shaped, motile bacterium with a polar flagellum. The isolate was slightly halophilic, required Na+, Mg2+ and Ca2+ ions for growth, but did not require growth factors. The only isoprenoid quinone was ubiquinone-8.The major cellular fatty acids were C18 : 1ω7c, C16 : 0 and C14 : 0. The main hydroxy fatty acid was C10 : 0 3-OH. The DNA G+C content was 45.9 mol%. Phylogenetic analysis of 16S rRNA gene sequences placed the isolate in the class Gammaproteobacteria. The phylogenetically closest relatives with validly published names were Pseudomaricurvus alkylphenolicus KU41GT, Teredinibacter turnerae T7902T, Pseudoteredinibacter isoporae SW-11T and Simiduia agarivorans SA1T with sequence similarities of 94.5, 94.1, 93.7 and 93.6 %, respectively. The isolate was distinguished from members of these genera by a combination of DNA G+C content, chemotaxonomic characteristics (respiratory quinone system, fatty acid profile and polar lipid composition) and other phenotypic features. Based on phylogenetic, genotypic, chemotaxonomic and phenotypic characteristics, strain Q-192T is considered to represent a novel species of a new genus, for which the name Marinibactrum halimedae gen. nov., sp. nov. is proposed. The type strain of Marinibactrum halimedae is Q-192T ( = NBRC 110095T = NCIMB 14932T).


2010 ◽  
Vol 60 (4) ◽  
pp. 790-795 ◽  
Author(s):  
Jia-Yue Zhang ◽  
Xing-Yu Liu ◽  
Shuang-Jiang Liu

Bacterial strain V2M44T was isolated from forest soil from the Changbai Mountains, Heilongjiang Province, China. Cells of strain V2M44T were Gram-negative, rod-shaped and 0.3–0.4 μm in diameter and 1.5–2.5 μm long. The cells were strictly aerobic and were motile by means of peritrichous flagella. Growth occurred at 20–33 °C (optimum, 29–31 °C), at pH 5–8 (optimum, pH 6.0–7.0) and in the presence of 0−0.1 % (w/v) NaCl (optimum, 0.05 %). Strain V2M44T contained C17 : 1 ω6c (38.9 %) and summed feature 7 (comprising C18 : 1 ω7c, C18 : 1 ω9t and/or C18 : 1 ω12t, 31.5 %) as the major cellular fatty acids and Q-10 as the major respiratory quinone. The major polar lipids were sphingoglycolipid, phosphatidylmonomethylethanolamine, phosphatidylethanolamine, phosphatidylglycerol and diphosphatidylglycerol along with two unidentified phospholipids and four unidentified glycolipids. The major component in the polyamine pattern was sym-homospermidine. The DNA G+C content was 65.8 mol%. Analysis of 16S rRNA gene sequences indicated that strain V2M44T was phylogenetically related to members of the genus Sphingomonas, with sequence similarities ranging from 92.0–95.8 %. Based on these results, it is concluded that strain V2M44T represents a novel species of the genus Sphingomonas, for which the name Sphingomonas changbaiensis sp. nov. is proposed. The type strain is V2M44T (=CGMCC 1.7057T=NBRC 104936T).


2015 ◽  
Vol 65 (Pt_11) ◽  
pp. 4175-4179 ◽  
Author(s):  
Guizhen Li ◽  
Qiliang Lai ◽  
Yaping Du ◽  
Xiupian Liu ◽  
Fengqin Sun ◽  
...  

A taxonomic study was carried out on strain 22II1-22F33T, which was isolated from deep seawater of the Atlantic Ocean. The bacterium was Gram-stain-negative, oxidase-positive and weakly catalase-positive, oval in shape without flagellum. Growth was observed at salinities of 0–12 % and at temperatures of 4–41 °C. The isolate was capable of hydrolysing aesculin and Tween 80 and reduction of nitrate to nitrite, but unable to hydrolyse gelatin. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain 22II1-22F33T belongs to the family Rhodobacteraceae, with highest sequence similarity to Pseudooceanicola marinus AZO-CT (96.5 %). The principal fatty acids (>10 %) were summed feature 8 (C18 : 1ω7c/ω6c) (73.8 %). The G+C content of the genomic DNA was 66.2 mol%. The respiratory quinone was Q-10 (100 %). Phosphatidylethanolamine (PE), phosphatidylglycerol (PG), phosphatidylcholine (PC), two unidentified aminolipids (ALs), six unidentified phospholipids (PLs) and one unidentified lipid (L) were present. The combined genotypic and phenotypic data show that strain 22II1-22F33T represents a novel species within a new genus, for which the name Marinibacterium profundimaris gen. nov., sp. nov. is proposed. The type strain of Marinibacterium profundimaris is 22II1-22F33T ( = LMG 27151T = MCCC 1A09326T).


2013 ◽  
Vol 63 (Pt_6) ◽  
pp. 2062-2068 ◽  
Author(s):  
Wei-Yan Zhang ◽  
Ming-Xu Fang ◽  
Wen-Wu Zhang ◽  
Chuan Xiao ◽  
Xin-Qi Zhang ◽  
...  

A novel strain, named S4T, was obtained from industrial wastewater in Xiaoshan, Zhejiang Province, China. Cells were Gram-negative, neutrophilic and non-spore-forming and moved by means of a polar flagellum. Normal cells were 0.8–0.9×1.3–1.9 µm and the cells elongated to 10–25 µm when cultivated at high temperatures. Strain S4T grew at 15–50 °C (optimum at 48 °C), pH 5.5–8.5 (optimum 7.0–7.5) and 0–2 % (optimum 0.5 %) (w/v) NaCl. Ubiquinone-8 was the predominant respiratory quinone. C16 : 0, summed feature 3 (C16 : 1ω7c and/or iso-C15 : 0 2-OH) and C17 : 0 cyclo were the major cellular fatty acids. The major 3-OH fatty acid was C10 : 0 3-OH. The major polar lipids were phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol and an unknown aminoglycolipid. The genomic DNA G+C content was 68.8 mol%. Based on 16S rRNA gene sequences alignment, the most closely related strains were members of the genera Comamonas (94.6–95.6 % similarities), Giesbergeria (94.9–95.6 %), Acidovorax (94.8–95.4 %), Brachymonas (94.1–95.2 %) and Macromonas (95.1 %). Phylogenetic analysis showed the closest relatives of strain S4T were members of the genus Macromonas . Based on phenotypic and phylogenetic characteristics, we suggest that strain S4T represents a novel species of a new genus of the family Comamonadaceae , for which the name Extensimonas vulgaris gen. nov., sp. nov. is proposed. The type strain of Extensimonas vulgaris is S4T ( = CGMCC 1.10977T = JCM 17803T).


2011 ◽  
Vol 61 (8) ◽  
pp. 1973-1980 ◽  
Author(s):  
Kozo Yamada ◽  
Wakao Fukuda ◽  
Yuka Kondo ◽  
Yuki Miyoshi ◽  
Haruyuki Atomi ◽  
...  

A Gram-negative, non-spore-forming, ovoid to rod-shaped aerobic or microaerobic bacterium, strain 262-8T, was isolated from a cavity within white rock collected in Antarctica. Strain 262-8T grew at 5–30 °C (optimum 25 °C), at pH 6–8 (optimum approximately pH 7) and with 0.1–2.0 % (w/v) NaCl (optimum 0.5 % NaCl). The addition of tryptone or yeast extract was essential for growth. Strain 262-8T was able to utilize organic compounds such as ribose, pyruvate and succinate in the presence of a low concentration of tryptone. Ubiquinone 10 was the major respiratory quinone. The major fatty acids were C18 : 1, C16 : 0 and C18 : 0. The G+C content of the genomic DNA was 69.8 mol%. Comparative analyses of 16S rRNA gene sequences and physiological characteristics indicated that strain 262-8T was a phylogenetically novel bacterium that should be classified in a new genus of the family Rhodospirillaceae, for which the name Constrictibacter antarcticus gen. nov., sp. nov. is proposed. The type strain of the type species is 262-8T ( = JCM 16422T = ATCC BAA-1906T).


2010 ◽  
Vol 60 (7) ◽  
pp. 1644-1648 ◽  
Author(s):  
Hyung-Yeel Kahng ◽  
Sang-Suk Lee ◽  
Jeong Myeong Kim ◽  
Ji Young Jung ◽  
Mee Young Lee ◽  
...  

An aerobic, yellow–orange-pigmented, Gram-staining-negative bacterium, designated strain EM44T, was isolated from seawater on the eastern coast of Jeju Island, Korea. Growth was observed at 15–35 °C (optimum 25–30 °C), pH 6.5–9.0 (optimum pH 7.0–8.5) and between 1 and 5 % NaCl (w/v) (optimum 2–4 %). Cells of strain EM44T were non-motile, straight rods and showed catalase and oxidase activities. The G+C content of the genomic DNA was 47.9 mol% and the major respiratory quinone was MK-6. The major fatty acids were iso-C15 : 0 G, iso-C15 : 0, iso-C17 : 0 3-OH and iso-C16 : 0 3-OH. Strain EM44T contained phosphatidylethanolamine as a major polar phospholipid. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain EM44T fell within the family Flavobacteriaceae in the phylum Bacteroidetes and was most closely related to members of the genera Eudoraea, Zeaxanthinibacter and Robiginitalea with 92–94.5 % gene sequence similarities. On the basis of chemotaxonomic data and molecular properties, it is clear that strain EM44T represents a novel genus within the family Flavobacteriaceae, for which the name Muriicola jejuensis gen. nov., sp. nov. is proposed. The type strain of the type species is EM44T (=KCTC 22299T=DSM 21206T).


2015 ◽  
Vol 65 (Pt_7) ◽  
pp. 2209-2214 ◽  
Author(s):  
Ji Young Kang ◽  
Jeesun Chun ◽  
Jeong-Woo Seo ◽  
Chul Ho Kim ◽  
Kwang Yeop Jahng

A novel bacterial strain, designated GCR0105T, was isolated from a water sample of the Mangyung estuary enclosed by the Saemangeum Embankment, located in JEOLlabuk-do, South Korea. Cells of strain GCR0105T were Gram-stain-negative, non-motile and rod-shaped. Colonies of strain GCR0105T were pale yellow-pigmented on R2A agar and nutrient agar media, and were able to grow at 15–30 °C (optimum 25 °C) and pH 6.5–8.5 (optimum pH 7.5). Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain GCR0105T was related most closely to Flavisolibacter ginsengisoli Gsoil 643T (93.14 % similarity). The polar lipid profile of strain GCR0105T comprised phosphatidylethanolamine, two unknown aminolipids, an unknown aminophospholipid and four unknown lipids. The DNA G+C content of strain GCR0105T was 42.9 mol% and the respiratory quinone was MK-7.On the basis of phenotypic, chemotaxonomic and phylogenetic properties, strain GCR0105T represents a novel species in a new genus within the family Chitinophagaceae, for which the name Flaviaesturariibacter amylovorans gen. nov., sp. nov. is proposed. The type strain of Flaviaesturariibacter amylovorans is GCR0105T ( = KACC 16454T = JCM 17919T).


Author(s):  
Olga I. Nedashkovskaya ◽  
Seung Bum Kim ◽  
Suk Kyun Han ◽  
Cindy Snauwaert ◽  
Marc Vancanneyt ◽  
...  

Three novel heterotrophic, Gram-negative, yellow-pigmented, aerobic, gliding, oxidase- and catalase-positive bacteria were isolated from algae collected in the Gulf of Peter the Great, Sea of Japan. 16S rRNA gene sequence analysis revealed that the strains studied represented members of the family Flavobacteriaceae and showed 93·5–93·8 % similarity with their closest relative, Psychroserpens burtonensis. The DNA G+C content of the strains was 34–37 mol%. The major respiratory quinone was MK-6. The predominant fatty acids were iso-C15 : 0, anteiso-C15 : 0, iso-C15 : 1, iso-C16 : 0-3OH and iso-C17 : 0-3OH. On the basis of their phenotypic, chemotaxonomic, genotypic and phylogenetic characteristics, the newly described bacteria have been assigned to the new genus Winogradskyella gen. nov., as Winogradskyella thalassocola sp. nov. (type strain, KMM 3907T=KCTC 12221T=LMG 22492T=DSM 15363T), Winogradskyella epiphytica sp. nov. (type strain, KMM 3906T=KCTC 12220T=LMG 22491T=CCUG 47091T) and Winogradskyella eximia sp. nov. (type strain, KMM 3944T (=KCTC 12219T=LMG 22474T).


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