Sediminihaliea albiluteola gen. nov., sp. nov., a new member of the family Halieaceae, isolated from marine sediment

2021 ◽  
Vol 71 (8) ◽  
Author(s):  
Shan Jiang ◽  
Feng-Bai Lian ◽  
You-Yang Sun ◽  
Xiao-Kui Zhang ◽  
Zong-Jun Du
Keyword(s):  
Type Species ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
Gene Sequences ◽  
Unidentified Phospholipid ◽  
Respiratory Quinone ◽  
Content Type ◽  
Link Type ◽  
The Family ◽  
Sequence Similarities

A Gram-stain-negative, rod-shaped and facultatively aerobic bacterial strain, designated F7430T, was isolated from coastal sediment collected at Jingzi Wharf in Weihai, PR China. Cells of strain F7430T were 0.3–0.4 µm wide, 2.0–2.6 µm long, non-flagellated, non-motile and formed pale-beige colonies. Growth was observed at 4–40 °C (optimum, 30 °C), pH 6.0–9.0 (optimum, pH 7.5–8.0) and at NaCl concentrations of 1.0–10.0 % (w/v; optimum, 1.0 %). The sole respiratory quinone of strain F7430T was ubiquinone 8 and the predominant cellular fatty acids were summed feature 8 (C18 : 1  ω7c / C18 : 1  ω6c; 60.7 %), summed feature 3 (C16 : 1  ω7c/C16 : 1  ω6c; 30.2 %) and C15 : 0 iso (13.9 %). The polar lipids of strain F7430T consisted of diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, phosphatidylcholine, one unidentified phospholipid and three unidentified lipids. Results of 16S rRNA gene sequences analyses indicated that this strain belonged to the family Halieaceae and had high sequence similarities to Parahaliea aestuarii JCM 51547T (95.3 %) and Halioglobus pacificus DSM 27932T (95.2 %) followed by 92.9–95.0 % sequence similarities to other type species within the aforementioned family. The rpoB gene sequences analyses indicated that the novel strain had the highest sequence similarities to Parahaliea aestuarii JCM 51547T (82.2 %) and Parahaliea mediterranea DSM 21924T (82.2 %) followed by 75.2–80.5 % sequence similarities to other type species within this family. Phylogenetic analyses showed that strain F7430T constituted a monophyletic branch clearly separated from the other genera of family Halieaceae . Whole-genome sequencing of strain F7430T revealed a 3.3 Mbp genome size with a DNA G+C content of 52.6 mol%. The genome encoded diverse metabolic pathways including the Entner–Doudoroff pathway, assimilatory sulphate reduction and biosynthesis of dTDP-l-rhamnose. Based on results from the current polyphasic study, strain F7430T is proposed to represent a novel species of a new genus within the family Halieaceae , for which the name Sediminihaliea albiluteola gen. nov., sp. nov. is proposed. The type strain of the type species is F7430T (=KCTC 72873T=MCCC 1H00420T).

Croceimicrobium hydrocarbonivorans gen. nov., sp. nov., a novel marine bacterium isolated from a bacterial consortium that degrades polyethylene terephthalate

2021 ◽  
Vol 71 (4) ◽  
Author(s):  
Renju Liu ◽  
Qiliang Lai ◽  
Li Gu ◽  
Peisheng Yan ◽  
Zongze Shao
Keyword(s):  
Polyethylene Terephthalate ◽  
Type Species ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
Phenotypic Data ◽  
Respiratory Quinone ◽  
Content Type ◽  
Link Type ◽  
The Family

A novel Gram-stain-negative, aerobic, gliding, rod-shaped and carotenoid-pigmented bacterium, designated A20-9T, was isolated from a microbial consortium of polyethylene terephthalate enriched from a deep-sea sediment sample from the Western Pacific. Growth was observed at salinities of 1–8 %, at pH 6.5–8 and at temperatures of 10–40 °C. The results of phylogenetic analyses based on the genome indicated that A20-9T formed a monophyletic branch affiliated to the family Schleiferiaceae , and the 16S rRNA gene sequences exhibited the maximum sequence similarity of 93.8 % with Owenweeksia hongkongensis DSM 17368T, followed by similarities of 90.4, 90.1 and 88.8 % with Phaeocystidibacter luteus MCCC 1F01079T, Vicingus serpentipes DSM 103558T and Salibacter halophilus MCCC 1K02288T, respectively. Its complete genome size was 4 035 598 bp, the genomic DNA G+C content was 43.2 mol%. Whole genome comparisons indicated that A20-9T and O. hongkongensis DSM 17368T shared 67.8 % average nucleotide identity, 62.7 % average amino acid identity value, 46.6% of conserved proteins and 17.8 % digital DNA–DNA hybridization identity. A20-9T contained MK-7 as the major respiratory quinone. Its major polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine and phospatidylcholine; and the major fatty acids were iso-C15 : 0 (37.5 %), iso-C16 : 0 3-OH (12.4 %), and summed feature 3 (C16 : 1ω7c /C16 : 1ω6c, 11.6 %). Combining the genotypic and phenotypic data, A20-9T could be distinguished from the members of other genera within the family Schleiferiaceae and represents a novel genus, for which the name Croceimicrobium hydrocarbonivorans gen. nov., sp. nov. is proposed. The type strain is A20-9T (=MCCC 1A17358T =KCTC 72878T).

scholarly journals Novosphingobium silvae sp. nov., isolated from subtropical forest soil

2020 ◽  
Vol 70 (4) ◽  
pp. 2901-2906 ◽  
Author(s):  
Guang-Da Feng ◽  
Wendi Chen ◽  
Jun Zhang ◽  
Yong-Hong Wang ◽  
Yang Liu ◽  
...  
Keyword(s):  
Forest Soil ◽  
Type Species ◽  
Phylogenetic Analyses ◽  
Draft Genome ◽  
Subtropical Forest ◽  
Rrna Gene ◽  
Unidentified Phospholipid ◽  
Respiratory Quinone ◽  
Content Type ◽  
Link Type

A novel bacterial strain, designated FGD1T, was isolated from subtropical forest soil of the Nanling National Forest Park located in Guangdong Province, P.R. China. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain FGD1T was most closely related to Novosphingobium lindaniclasticum DSM 25049T (98.8 %), followed by N. barchaimii DSM 25411T (98.7 %), N. guangzhouense DSM 32207T (98.2 %), N. panipatense DSM 22890T (98.1 %) and other species of Novosphingobium (<98 %). The draft genome sequence was 4.58 Mb in length with a G+C content of 65.1 mol%. The calculated average nucleotide identity (ANI) and digital DNA–DNA hybridization (dDDH) values between strain FGD1T and closely related type strains were 77.7‒79.6 % and 21.7–22.9 %, respectively. Major fatty acids were summed feature 8 (C18 : 1  ω7c and/or C18 : 1  ω6c), summed feature 3 (C16 : 1  ω7c and/or C16 : 1  ω6c), C14 : 0 2-OH and C16 : 0. The predominant respiratory quinone was ubiquinone 10 and the major polyamine was spermidine. Polar lipids were composed of sphingoglycolipid, phosphatidylglycerol, phosphatidylethanolamine, phosphatidylmethylethanolamine, diphosphatidylglycerol, an unidentified phospholipid and lipid. The polyphasic taxonomic results indicated that strain FGD1T represents a novel species of the genus Novosphingobium , for which the name Novosphingobium silvae sp. nov. is proposed. The type strain is FGD1T (=GDMCC 1.1761T=KACC 21283T).

scholarly journals Leekyejoonella antrihumi gen. nov., sp. nov., a new member of the family Dermacoccaceae isolated from a cave soil

2020 ◽  
Vol 70 (5) ◽  
pp. 3340-3347 ◽  
Author(s):  
Soon Dong Lee ◽  
In Seop Kim ◽  
Peter Schumann ◽  
Gwanpil Song
Keyword(s):  
Type Species ◽  
Phylogenetic Analyses ◽  
Draft Genome ◽  
Rrna Gene ◽  
The Novel ◽  
Unidentified Phospholipid ◽  
Content Type ◽  
Link Type ◽  
The Family ◽  
Type Strains

A novel Gram-stain-positive, actinobacterial strain, designated C5-26T, was isolated from soil from a natural cave in Jeju, Republic of Korea, and its taxonomic position was investigated using a polyphasic approach. The organism was aerobic, and cells were non-spore-forming, non-motile cocci that occurred singly, in pairs, in triplets, in tetrads, in short chains or in irregular clusters. Colonies of the cells were circular, convex, entire and white. The peptidoglycan type was A4α with an l-Ser–d-Asp interpeptide bridge. The whole-cell sugars comprised glucose, rhamnose, mannose, arabinose, galactose and ribose. The major menaquinone was MK-8(H4). The polar lipids contained diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol and an unidentified phospholipid. The major fatty acids were iso-C16 : 0 and iso-C16 : 1 h. The size of the draft genome was 5.32 Mbp with depth of coverage of 161×. The G+C content of the genomic DNA was 67.1 mol%. Phylogenetic analyses based on 16S rRNA gene sequences showed that the novel isolate belonged to the family Dermacoccaceae and formed a distinct subcluster at the base of the radiation of the genus Luteipulveratus . Highest sequence similarities of the novel isolate were found to the type strains of Luteipulveratus halotolerans (96.2 %), Branchiibius hedensis (95.4 %), Luteipulveratus mongoliensis (95.4 %) and Branchiibius cervicis (95.3 %). The whole genome-based phylogeny supported the novelty of the isolate at the genus level in the family Dermacoccaceae . On the basis of data from this polyphasic study, strain C5-26T (=KCTC 39632T=DSM 108676T) represents a novel species of a new genus in the family Dermacoccaceae , for which the name Leekyejoonella antrihumi gen. nov., sp. nov. is proposed.

scholarly journals Donghicola mangrovi sp. nov., a member of the family Rhodobacteraceae isolated from mangrove forest in Thailand

2020 ◽  
Author(s):  
Piyanat Charoenyingcharoen ◽  
Ji-Sun Kim ◽  
Gunjana Theeragool ◽  
Keun-Chul Lee ◽  
Pattaraporn Yukphan ◽  
...  
Keyword(s):  
Type Species ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
Mangrove Forests ◽  
Bacterial Strains ◽  
Respiratory Quinone ◽  
Content Type ◽  
Link Type ◽  
The Family ◽  
Family Rhodobacteraceae

Two novel Gram-stain-negative, rod-shaped and non-motile bacterial strains, designated B5-SW-15T and C2-DW-16, were isolated from water collected in mangrove forests in Ranong Province, Thailand. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strains B5-SW-15T and C2-DW-16 belonged to the genus Donghicola and were most closely related to Donghicola tyrosinivorans DSM 100212T (98.2 and 98.1 %, respectively) and Donghicola eburneus DSM 29127T (97.7 and 97.6 %, respectively). The average nucleotide identity and digital DNA–DNA hybridization values between strain B5-SW-15T, strain C2-DW-16 and related species were 95.8 and 71.6 % (to strain C2-DW-16), 76.8 and 21.3 % (to D. tyrosinivorans DSM 100212T) and 80.3 and 24.2 % (to D. eburneus DSM 29127T), respectively. The predominant cellular fatty acids (>5 %) were summed feature 8 (C18 : 1  ω6c and/or C18 : 1  ω7c), C16 : 0 and C12 : 1 3-OH. Ubiquinone Q-10 was the sole respiratory quinone. DNA G+C contents of the isolates were 61.0 and 61.2 mol% based on whole genome sequences. Strains B5-SW-15T and C2-DW-16 contained aminolipid, phosphatidylcholine, phosphatidylethanolamine and phosphatidylglycerol as the major polar lipids. On the basis of the results from phenotypic, chemotaxonomic and phylogenetic analyses, strains B5-SW-15T and C2-DW-16 constitute a novel species of the genus Donghicola in the family Rhodobacteraceae for which the name Donghicola mangrovi sp. nov. is proposed. The type strain is B5-SW-15T (=BCC 56522T=TBRC 9562T=KCTC 72743T).

Robertkochia marina gen. nov., sp. nov., of the family Flavobacteriaceae, isolated from surface seawater, and emended descriptions of the genera Joostella and Galbibacter

2014 ◽  
Vol 64 (Pt_2) ◽  
pp. 533-539 ◽  
Author(s):  
Asif Hameed ◽  
Mariyam Shahina ◽  
Shih-Yao Lin ◽  
Wei-An Lai ◽  
You-Cheng Liu ◽  
...  
Keyword(s):  
Type Species ◽  
Phylogenetic Trees ◽  
Rrna Gene ◽  
Strictly Aerobic ◽  
Surface Seawater ◽  
Unidentified Phospholipid ◽  
Respiratory Quinone ◽  
Content Type ◽  
Link Type ◽  
The Family

A Gram-staining-negative, orange-pigmented, strictly aerobic, carotenoid-producing, rod-shaped, non-flagellated, non-spore-forming bacterium, motile by gliding, designated strain CC-AMO-30DT, was isolated from surface seawater collected near Taichung harbour, Taiwan. Strain CC-AMO-30DT shared pairwise 16S rRNA gene sequence similarities of 94.8, 93.7 and 92.5 % with the type strains of the type species of the genera Joostella , Pustulibacterium and Galbibacter , respectively, and formed a distinct monophyletic lineage in phylogenetic trees. The major fatty acids (≥5 % of total) were iso-C15 : 1 G, iso-C15 : 0, iso-C17 : 0 3-OH, iso-C15 : 0 3-OH, iso-C16 : 0 and anteiso-C15 : 0. The polar lipid profile consisted of phosphatidylethanolamine, four unidentified lipids, two unidentified aminolipids and an unidentified phospholipid. The major polyamine was the triamine sym-homospermidine. The DNA G+C content was 47.1 mol% and the predominant respiratory quinone was menaquinone-6 (MK-6). Based on the phylogenetic distinctiveness and distinguishing phenotypic characteristics, strain CC-AMO-30DT represents a novel genus and species of the family Flavobacteriaceae , for which the name Robertkochia marina gen. nov., sp. nov. is proposed; the type strain of the type species Robertkochia marina is CC-AMO-30DT ( = JCM 18552T = BCRC 80469T). Emended descriptions of the genera Joostella and Galbibacter are also proposed.

Pseudooceanicola endophyticus sp. nov., a novel endophytic bacterium isolated from bark Aegiceras corniculatum

2021 ◽  
Vol 71 (10) ◽  
Author(s):  
Zhou-Qing Zheng ◽  
Ming-Sheng Chen ◽  
Xiao-Rui Yan ◽  
Li Tuo
Keyword(s):  
Type Species ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
Phenotypic Data ◽  
Unidentified Phospholipid ◽  
Respiratory Quinone ◽  
Aegiceras Corniculatum ◽  
Content Type ◽  
Link Type

A Gram-stain-negative, aerobic, short-rod-shaped bacterium, designated strain CBS1P-1T, was isolated from a surface-sterilized bark of Aegiceras corniculatum. Growth of strain CBS1P-1T was observed with between 0 and 12.0 % (w/v) NaCl (optimally with 5.0 %) and at between pH 6.0–9.0. It grew at temperatures between 25–37 °C (optimum, 30 °C). Chemotaxonomic analysis showed that ubiquinone-10 was the respiratory quinone. The lipids comprised diphosphatidylglycerol, phosphatidylglycerol, an unidentified glycolipid, an unidentified phospholipid and an unidentified aminolipid. The major fatty acids of strain CBS1P-1T were C18 : 1  ω7c, C16 : 0 and C19 : 0 cyclo ω8c. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain CBS1P-1T was most related to Pseudooceanicola antarcticus CGMCC 1.12662T with a sequence similarity of 96.5 %. The average nucleotide identity and digital DNA–DNA hybridization values between strain CBS1P-1T and P. antarcticus 1.12662T were 77.5 and 21.1 %, respectively. The G+C content of the genomic DNA was 67.3 mol%. Based on phylogenetic, chemotaxonomic and phenotypic data, strain CBS1P-1T is considered to represent a novel species of the genus Pseudooceanicola , for which the name Pseudooceanicola endophyticus is proposed. The type strain is CBS1P-1T (=KCTC 62836T=CGMCC 1.13743T).

Aerophototrophica crusticola gen. nov., sp. nov., isolated from desert biocrusts

2019 ◽  
Vol 71 (3) ◽  
Author(s):  
Kai Tang ◽  
Li-Hua Yang ◽  
Yu-Ping Chen ◽  
Yu Tao ◽  
Fu-Ying Feng ◽  
...  
Keyword(s):  
Type Species ◽  
Anoxygenic Phototrophic Bacteria ◽  
Rrna Gene ◽  
Strictly Aerobic ◽  
Unidentified Phospholipid ◽  
Respiratory Quinone ◽  
Content Type ◽  
Link Type ◽  
Moss Crusts ◽  
The Family

A pink-pigmented, Gram-stain-negative, rod-shaped, strictly aerobic bacterial strain MIMtkB3T, was isolated from moss crusts in Hunshandake desert of China. Cells grew at 15–45 °C (optimum of 28 °C), at pH of 6.0–8.5 (optimum of 7.0) and with 0–1.0 % (w/v) NaCl (optimum of 0 %). The strain could biosynthesize the green-coloured pigment bacteriochlorophyll a (BChl a). The respiratory quinone was ubiquinone Q-10, while C18 : 1 ω7c and C18 : 1 2OH were the major fatty acids. Phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, an unidentified aminophospholipid, one unidentified phospholipid, three unidentified glycolipid and one unidentified lipid were the major polar lipids. Strain MIMtkB3T was most closely related to Oleisolibacter albus NAU-10T, Niveispirillum fermenti CC-LY736T, and Rhodocista centenaria SW of the family Rhodospirillaceae with 16S rRNA gene similarities of 93.09, 92.02 and 91.73%, respectively. The genomic DNA G+C content calculated on complete genome sequencing was 69.3 mol%. The average nucleotide identity between strain MIMtkB3T and its closely related type strains in Rhodospirillaceae was below 77.96 % and digital DNA–DNA hybridization lower than 24.70 %. Full light utilization pathway of aerobic anoxygenic phototrophic bacteria was identified in the genome. Based on phenotypic, chemotaxonomic and phylogenetic characteristics, strain MIMtkB3T represents a novel genus of the family Rhodospirillaceae , for which the name Aerophototrophica crusticola gen. nov., sp. nov. is proposed. The type strain is MIMtkB3T (=KCTC 42633T=MCCC 1K00570T).

scholarly journals Parapseudoflavitalea muciniphila gen. nov., sp. nov., a member of the family Chitinophagaceae isolated from a human peritoneal tumour and reclassification of Pseudobacter ginsenosidimutans as Pseudoflavitalea ginsenosidimutans comb. nov.

2020 ◽  
Vol 70 (6) ◽  
pp. 3639-3646 ◽  
Author(s):  
Paul A. Lawson ◽  
Nisha B. Patel ◽  
Ahmed Mohammed ◽  
Edward R. B. Moore ◽  
Alexander S. Lo ◽  
...  
Keyword(s):  
Type Species ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Nucleotide Identity ◽  
Rrna Gene ◽  
Average Nucleotide Identity ◽  
Respiratory Quinone ◽  
Content Type ◽  
Link Type ◽  
The Family

A Gram-stain-negative, microaerophilic, non-motile, rod-shaped bacterium strain designated PMP191FT, was isolated from a human peritoneal tumour. Phylogenetic analysis based on 16S rRNA gene sequences indicated that the organism formed a lineage within the family Chitinophagaceae that was distinct from members of the genus Pseudoflavitalea (95.1–95.2 % sequence similarity) and Pseudobacter ginsenosidimutans (94.4 % sequence similarity). The average nucleotide identity values between strain PMP191FT and Pseudoflavitalea rhizosphaerae T16R-265T and Pseudobacter ginsenosidimutans Gsoil 221T was 68.9 and 62.3% respectively. The only respiratory quinone of strain PMP191FT was MK-7 and the major fatty acids were iso-C15 : 0, iso-C15 : 1 G and summed feature 3 (C16:1 ω7c and/or C16:1 ω6c). The polar lipids consisted of phosphatidylethanolamine and some unidentified amino and glycolipids. The G+C content of strain PMP191FT calculated from the genome sequence was 43.4 mol%. Based on phylogenetic, phenotypic and chemotaxonomic evidence, strain PMP191FT represents a novel species and genus for which the name Parapseudoflavitalea muciniphila gen. nov., sp. nov. is proposed. The type strain is PMP191FT (=DSM 104999T=ATCC BAA-2857T = CCUG 72691T). The phylogenetic analyses also revealed that Pseudobacter ginsenosidimutans shared over 98 % sequence similarly to members of the genus Pseudoflavitalea . However, the average nucleotide identity value between Pseudoflavitalea rhizosphaerae T16R-265T, the type species of the genus and Pseudobacter ginsenosidimutans Gsoil 221T was 86.8 %. Therefore, we also propose that Pseudobacter ginsenosidimutans be reclassified as Pseudoflavitalea ginsenosidimutans comb. nov.

scholarly journals Roseimaritima sediminicola sp. nov., a new member of Planctomycetaceae isolated from Chilika lagoon

2020 ◽  
Vol 70 (4) ◽  
pp. 2616-2623 ◽  
Author(s):  
Dhanesh Kumar ◽  
Kumar Gaurav ◽  
Jagadeeshwari U ◽  
Deepshikha G ◽  
Sasikala Ch. ◽  
...  
Keyword(s):  
Type Species ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
Chilika Lagoon ◽  
Unidentified Phospholipid ◽  
Respiratory Quinone ◽  
Content Type ◽  
Link Type ◽  
Physiological Properties

Strain JC651T was isolated from a sediment sample collected from Chilika lagoon, which is one of the world’s most important brackish water lakes with estuarine characteristics. Colonies of this strain are light pink and cells are Gram-stain negative, spherical to pear shaped and form rosettes. Strain JC651T grows well up to pH 9.0 and tolerates up to 5 % NaCl (w/v). The respiratory quinone is MK6. The detected major fatty acids are C18 : 1 ω9c and C16 : 0. Its polar lipids are diphosphatidylglycerol, an unidentified phospholipid, phosphatidylglycerol and phosphatidylcholine. Strain JC651T shows highest 16S rRNA gene sequence similarity (97.8%) to the type species of the genus Roseimaritima , Roseimaritima ulvae UC8T. The genome size of strain JC651T is 6.2 Mb with a G+C content of 62.4 mol%. For the resolution of the phylogenetic congruence of the novel strain, the phylogeny was also reconstructed with the sequences of 92 core genes. Based on the phylogenetic analyses, low digital DNA–DNA hybridization values (19.5%), low (74.9%) genome average nucleotide identity results, chemotaxonomic characteristics and differential physiological properties, strain JC651T is recognized as a new species of the genus Roseimaritima for which we propose the name Roseimaritima sediminicola sp. nov. The type strain is JC651T (=KCTC 72178T=NBRC 113926T).

scholarly journals Novosphingobium aquimarinum sp. nov., isolated from seawater

2020 ◽  
Vol 70 (11) ◽  
pp. 5911-5917 ◽  
Author(s):  
Ve Van Le ◽  
So-Ra Ko ◽  
Sang-Ah Lee ◽  
Long Jin ◽  
Chi-Yong Ahn ◽  
...  
Keyword(s):  
16S Rrna ◽  
Type Species ◽  
Rrna Gene ◽  
Unidentified Phospholipid ◽  
Respiratory Quinone ◽  
Content Type ◽  
Link Type ◽  
The Republic ◽  
Sequence Similarities ◽  
Rrna Sequences

A novel Gram-stain-negative, aerobic, and rod-shaped bacterial strain, M24A2MT, was isolated from seawater in the Republic of Korea. On the basis of the 16S rRNA gene phylogeny, strain M24A2MT was found to be closely related to Novosphingobium pentaromativorans US6-1T and Novosphingobium mathurense SM117T with pair-wise sequence similarities of 97.4 and 96.9 %, respectively. Phylogenetic analysis of 16S rRNA sequences indicated that M24A2MT formed a branch with Novosphingobium pentaromativorans US6-1T and represented a member of the genus Novosphingobium . The predominant cellular fatty acids were C14 : 0 2-OH, summed feature 3 (C16 : 1 ω7c and/or C16 : 1 ω6c), and summed feature 8 (C18 : 1 ω7c and/or C18 : 1 ω6c). The polar lipids of strain M24A2MT consisted mainly of diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, phosphatidylcholine, one unidentified phospholipid, and two unidentified lipids. The respiratory quinone was ubiquinone Q-10. The genomic DNA G+C content was 63.9 %. Given the phenotypic characteristics along with the phylogenetic distinctness and chemotaxonomic features, strain M24A2MT is considered to represent a novel species within the genus Novosphingobium , for which the name Novosphingobium aquimarinum sp. nov. is proposed. The type strain of Novosphingobium aquimarinum sp. nov. is M24A2MT (=KCTC 72894T=JCM 33983T).

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