scholarly journals Flaviaesturariibacter amylovorans gen. nov., sp. nov., a starch-hydrolysing bacterium, isolated from estuarine water

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).

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_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_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).


2020 ◽  
Vol 70 (10) ◽  
pp. 5243-5254 ◽  
Author(s):  
Wen-Ming Chen ◽  
Cheng-Ye Cai ◽  
Der-Shyan Sheu ◽  
Jyh-Ming Tsai ◽  
Shih-Yi Sheu

A bacterial strain, designated FSY-8T, was isolated from a freshwater mesocosm in Taiwan and characterized using the polyphasic taxonomy approach. Cells of strain FSY-8T were aerobic, Gram-stain-negative, rod-shaped, non-motile and formed yellow coloured colonies on Reasoner's 2A agar. Growth occurred at 20–40 °C (optimum, 30–37 °C) and pH 5–7 (optimum, pH 6) and in the presence of 0–0.5 % NaCl (optimum, 0 %, w/v). The major fatty acids (>10 %) of strain FSY-8T were summed feature 8 (C18 : 1  ω7c and/or C18 : 1  ω6c) and summed feature 3 (C16 : 1  ω7c and/or C16 : 1  ω6c). The polar lipid profile consisted of a mixture of phosphatidylethanolamine, phosphatidylglycerol, phosphatidylcholine, phosphatidylmonomethylethanolamine, phosphatidyldimethylethanolamine, sphingoglycolipid, diphosphatidylglycerol, an uncharacterized aminophospholipid, an uncharacterized glycolipid and an uncharacterized lipid. The major polyamine was spermidine. The major isoprenoid quinone was Q-10. The DNA G+C content was 64.8 mol %. Phylogenetic analyses based on 16S rRNA gene sequences and coding sequences of 92 protein clusters indicated that strain FSY-8T formed a phylogenetic lineage in the genus Novosphingobium . Strain FSY-8T showed 71.6–77.2 % average nucleotide identity and 19.9–22.8 % digital DNA–DNA hybridization identity with the strains of other Novosphingobium species. On the basis of phenotypic and genotypic properties and phylogenetic inference, strain FSY-8T should be classified in a novel species of the genus Novosphingobium , for which the name Novosphingobium ovatum sp. nov. is proposed. The type strain is FSY-8T (=BCRC 81051T=LMG 30053T=KCTC 52812T).


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).


2013 ◽  
Vol 63 (Pt_5) ◽  
pp. 1653-1657 ◽  
Author(s):  
Jeesun Chun ◽  
Ji Young Kang ◽  
Kwang Yeop Jahng

A taxonomic study was carried out on a novel bacterial strain, designated MIC3010T, which was isolated from a freshwater pond in Jeonju, Republic of Korea. Cells of the isolate were Gram-stain-negative, rod-shaped and non-motile. Comparison of the 16S rRNA gene sequences indicated that the isolate belonged to the family Flavobacteriaceae , with Flavobacterium haoranii LQY-7T as its closest relative, with a similarity of 94.2 %. The predominant fatty acids of strain MIC3010T were iso-C15 : 1 G, iso-C15 : 0 and iso-C17 : 0 3-OH. The polar lipid profile of strain MIC3010T revealed the presence of phosphatidylethanolamine (PE) and one unidentified lipid (L1) as major components. In addition, two aminolipids (AL1, AL2) and one glycolipid were present in small amounts. The DNA G+C content of the strain was 41.0 mol%. The strain contained MK-6 as the major quinone and sym-homospermidine as the predominant polyamine. On the basis of the evidence presented, it is concluded that strain MIC3010T represents a novel species of the genus Flavobacterium , for which the name Flavobacterium fontis sp. nov. is proposed. The type strain is MIC3010T ( = KACC 16593T = JCM 18212T).


2015 ◽  
Vol 65 (Pt_2) ◽  
pp. 407-411 ◽  
Author(s):  
Jing Hu ◽  
Wei-Yan Zhang ◽  
Xin-Qi Zhang ◽  
Hong-Cheng ◽  
Xu-Fen Zhu ◽  
...  

A Gram-stain-negative, aerobic, orange-pigmented, rod-shaped and non-motile bacterium, designated strain A6B8T, was isolated from seawater of the Mariana Trench. The isolate grew at 4–50 °C (optimum 30–35 °C), at pH 6.5–8.0 (optimum pH 7.5) and with 0.5–4.0 % (w/v) NaCl (optimum 1.0–2.0 %). Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain A6B8T was related most closely to the genus Muriicola and shared highest sequence similarity of 97.7 % with Muriicola jejuensis EM44T. Chemotaxonomic analysis showed menaquinone 6 (MK-6) was the predominant isoprenoid and iso-C15 : 0, iso-C15 : 1 G and iso-C17 : 0 3-OH were the major cellular fatty acids. The polar lipid profile of strain A6B8T included phosphatidylethanolamine, three unidentified aminolipids and four unidentified lipids. The genomic DNA G+C content was 47.1 mol%. The DNA–DNA relatedness value (23.3 %) clearly demonstrated that strains A6B8T and M. jejuensis EM44T were representatives of two different species. Based on the phenotypic, phylogenetic and chemotaxonomic characterizations, A6B8T ( = CGMCC 1.12606T = KCTC 32436T) is considered to be the type strain of a novel species of the genus Muriicola , for which the name Muriicola marianensis sp. nov. is proposed.


2011 ◽  
Vol 61 (7) ◽  
pp. 1595-1600 ◽  
Author(s):  
Joong-Jae Kim ◽  
Hyun Mi Jin ◽  
Hyo Jung Lee ◽  
Che Ok Jeon ◽  
Eiko Kanaya ◽  
...  

A strictly aerobic, Gram-stain-negative, yellow-pigmented, non-spore-forming, motile (by gliding), rod-shaped bacterium, designated strain 15F3T, was isolated from leaf-and-branch compost. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain 15F3T was most closely related to Flavobacterium reichenbachii WB 3.2-61T and formed a distinct phyletic lineage within the genus Flavobacterium, the type genus of the family Flavobacteriaceae. Growth was observed at 10–34 °C (optimum, 30 °C) and pH 6.0–8.0 (optimum, pH 7.0). No growth occurred in the presence of ≥2 % (w/v) NaCl. Strain 15F3T reduced nitrate to nitrogen and showed catalase activity but no oxidase activity. The predominant cellular fatty acids were iso-C15 : 0 and summed feature 3 (comprising C16 : 1ω7c and/or iso-C15 : 0 2-OH). The major isoprenoid quinone was menaquinone-6. The G+C content of the genomic DNA was 31.1 mol%. On the basis of data from this polyphasic study, strain 15F3T may be classified as a representative of a novel species within the genus Flavobacterium, for which the name Flavobacterium banpakuense sp. nov. is proposed; the type strain is 15F3T ( = KACC 14225T  = JCM 16466T).


2015 ◽  
Vol 65 (Pt_7) ◽  
pp. 2199-2203 ◽  
Author(s):  
Xiaowei Zheng ◽  
Hongcan Liu ◽  
Lei Song ◽  
Limin Zhang ◽  
Haina Wang ◽  
...  

Strain G18T, a Gram-stain-negative, aerobic, rod-shaped, motile, non-fermentative, yellow-pigmented bacterium, was isolated from Red Sea sediment. Phylogenetic analyses based on 16S rRNA gene sequences revealed that strain G18T was most closely related to Phaeocystidibacter luteus PG2S01T with 95.3 % similarity. Growth of strain G18T occurred at 10–42 °C (optimum 28–37 °C), pH 5.0–9.0 (optimum pH 6.0–8.0) and in the presence of 0.5–10 % NaCl (optimum 2–5 %). The major fatty acids of strain G18T were iso-C15 : 0, summed feature 3 (C16 : 1ω7c and/or C16 : 1ω6c), iso-C15 : 1 G and iso-C17 : 0 3-OH. The major polar lipids were phosphatidylethanolamine, unidentified aminolipids, phospholipids and other lipids. The predominant quinone was menaquinone 6 (MK-6). The G+C content of the genomic DNA from strain G18T was 39.0 mol%. Based on the phylogenetic and phenotypic properties, strain G18T represents a novel species of the genus Phaeocystidibacter, for which the name Phaeocystidibacter marisrubri sp. nov. is proposed. The type strain is G18T ( = CGMCC 1.14954T = JCM 30614T).


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