scholarly journals Cecembia rubra sp. nov., a thermophilic bacterium isolated from a hot spring sediment

2015 ◽  
Vol 65 (Pt_7) ◽  
pp. 2118-2123 ◽  
Author(s):  
Yan-Yan Duan ◽  
Hong Ming ◽  
Lei Dong ◽  
Yi-Rui Yin ◽  
Xiao-Lin Meng ◽  
...  
Keyword(s):  
Hot Spring ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Taxonomic Status ◽  
Thermophilic Bacterium ◽  
Rrna Gene ◽  
Major Polar Lipid ◽  
Gram Staining ◽  
Gene Sequence Analysis ◽  
Type Strains

A Gram-staining negative, rod-shaped bacterium, designated strain YIM 78110T, was isolated from a sediment sample collected from Hehua hot spring in Tengchong, Yunnan province, south-west China. The taxonomic status of strain YIM 78110T was confirmed by a polyphasic approach. 16S rRNA gene sequence analysis indicated that strain YIM 78110T belongs to the genus Cecembia, displaying 96.8 % and 94.7 % sequence similarity with the two most closely related type strains, Cecembia calidifontis RQ-33T and Cecembia lonarensis LW9T, respectively. The low value of DNA–DNA hybridization (52.3 ± 2.3 %) between strain YIM 78110T and its closest neighbour, Cecembia calidifontis RQ-33T, indicated that this new isolate represented a different genomic species in the genus Cecembia. The temperature for growth ranged from 30 to 50 °C. The pH for growth ranged from pH 4.0 to 10.0, with NaCl tolerance of 0.5–6.0 % (w/v). The predominant menaquinone of strain YIM 78110T was MK-7 and the major polar lipid was phosphatidylethanolamine. The major fatty acids were iso-C15:0 and C15:0. The DNA G+C content was 47.1 mol%. On the basis of physiological, biochemical and phylogenetic analyses, it is proposed that strain YIM 78110T represents a novel species of the genus Cecembia, for which the name Cecembia rubra sp. nov. is proposed. The type strain is YIM 78110T ( = CCTCC AB2013287T = DSM 28057T).

scholarly journals Nocardia shimofusensis sp. nov., isolated from soil, and Nocardia higoensis sp. nov., isolated from a patient with lung nocardiosis in Japan

2004 ◽  
Vol 54 (6) ◽  
pp. 1927-1931 ◽  
Author(s):  
Akiko Kageyama ◽  
Katsukiyo Yazawa ◽  
Akira Mukai ◽  
Mari Kinoshita ◽  
Nobukatsu Takata ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Novel Species ◽  
Sequence Similarity ◽  
Taxonomic Status ◽  
Rrna Gene ◽  
Gene Sequence Analysis ◽  
Morphological Criteria ◽  
Respective Type ◽  
Type Strains

Three actinomycete strains isolated from soils and one strain isolated from a patient with lung nocardiosis in 1999 and 2001 in Japan have been provisionally assigned to the genus Nocardia on the basis of morphological criteria. These isolates were further investigated to determine their specific taxonomic status. Detailed chemotaxonomic characterization and 16S rRNA gene sequence analysis of these isolates confirmed that they belong to the genus Nocardia. The 16S rRNA gene sequences of the four strains were most similar to that of Nocardia farcinica. However, the sequence similarity values between these four strains and N. farcinica were <98·9 %. These four strains were susceptible to 5-fluorouracil, and they have the ability to decompose urea, which is a very characteristic trait. Furthermore, DNA–DNA relatedness data revealed that IFM 10311T, IFM 10312 and IFM 10313 comprise a single novel species of Nocardia, that IFM 10084T represents another novel species of Nocardia and that these two novel species could be distinguished from N. farcinica. The names Nocardia shimofusensis sp. nov. and Nocardia higoensis sp. nov. are proposed, with IFM 10311T (=NBRC 100134T=JCM 12122T=DSM 44733T) and IFM 10084T (=NBRC 100133T=JCM 12121T=DSM 44732T) as the respective type strains.

scholarly journals Halobacillus sediminis sp. nov., a moderately halophilic bacterium isolated from a solar saltern sediment

2015 ◽  
Vol 65 (Pt_12) ◽  
pp. 4434-4440 ◽  
Author(s):  
Su-Jin Kim ◽  
Jae-Chan Lee ◽  
Song-Ih Han ◽  
Kyung-Sook Whang
Keyword(s):  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Halophilic Bacterium ◽  
Rrna Gene ◽  
Strictly Aerobic ◽  
Solar Saltern ◽  
Moderately Halophilic ◽  
Gram Staining ◽  
Moderately Halophilic Bacterium ◽  
Type Strains

A Gram-staining-positive, moderately halophilic bacterium, designated strain NGS-2T, was isolated from sediment of a solar saltern pond located in Shinan, Korea. Strain NGS-2T was a strictly aerobic, non-motile rod that grew at pH 5.0–10.0 (optimum, pH 8.0), at 10–30 °C (optimum, 28 °C) and in the presence of 1–20 % (w/v) NaCl (optimum, 10 % NaCl). Phylogenetic analyses based on 16S rRNA gene sequences indicated that strain NGS-2T belonged to the genus Halobacillus, with sequence similarity of 98.4–95.8 % to existing type strains, showing the highest sequence similarity to Halobacillus dabanensis D-8T (98.4 %), H. litoralis SL-4T (98.4 %), H. trueperi SL-5T (98.2 %), H. faecis IGA7-4T (98.2 %), H. profundi IS-Hb4T (98.1 %) and H. mangrovi MS10T (98.0 %). The major polar lipids were phosphatidylglycerol, phosphatidylethanolamine, phosphatidyl-N-methylethanolamine and an unknown glycolipid. The cell-wall peptidoglycan was based on l-Orn–d-Asp, the predominant isoprenoid quinone was menaquinone 7 (MK-7) and the major fatty acids were anteiso-C15: 0 and anteiso-C17: 0. The DNA G+C content of the novel isolate was 45.0 mol%. Levels of DNA–DNA relatedness between strain NGS-2T and the type strains of 12 other species of the genus ranged from 32 to 3 %. On the basis of the polyphasic analysis conducted in this study, strain NGS-2T represents a novel species of the genus Halobacillus, for which the name Halobacillus sediminis sp. nov. is proposed. The type strain is NGS-2T ( = KACC 18263T = NBRC 110639T).

Halomonas titanicae sp. nov., a halophilic bacterium isolated from the RMS Titanic

2010 ◽  
Vol 60 (12) ◽  
pp. 2768-2774 ◽  
Author(s):  
Cristina Sánchez-Porro ◽  
Bhavleen Kaur ◽  
Henrietta Mann ◽  
Antonio Ventosa
Keyword(s):  
16S Rrna ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Taxonomic Status ◽  
Halophilic Bacterium ◽  
Rrna Gene ◽  
16S Rrna Sequence ◽  
Closely Related Species ◽  
Micro Organisms ◽  
Type Strains

A Gram-negative, heterotrophic, aerobic, non-endospore-forming, peritrichously flagellated and motile bacterial strain, designated BH1T, was isolated from samples of rusticles, which are formed in part by a consortium of micro-organisms, collected from the RMS Titanic wreck site. The strain grew optimally at 30–37 °C, pH 7.0–7.5 and in the presence of 2–8 % (w/v) NaCl. We carried out a polyphasic taxonomic study in order to characterize the strain in detail. Phylogenetic analyses based on 16S rRNA gene sequence comparison indicated that strain BH1T clustered within the branch consisting of species of Halomonas. The most closely related type strains were Halomonas neptunia (98.6 % 16S rRNA sequence similarity), Halomonas variabilis (98.4 %), Halomonas boliviensis (98.3 %) and Halomonas sulfidaeris (97.5 %). Other closely related species were Halomonas alkaliphila (96.5 % sequence similarity), Halomonas hydrothermalis (96.3 %), Halomonas gomseomensis (96.3 %), Halomonas venusta (96.3 %) and Halomonas meridiana (96.2 %). The major fatty acids of strain BH1T were C18 : 1 ω7c (36.3 %), C16 : 0 (18.4 %) and C19 : 0 cyclo ω8c (17.9 %). The DNA G+C content was 60.0 mol% (T m). Ubiquinone 9 (Q-9) was the major lipoquinone. The phenotypic features, fatty acid profile and DNA G+C content further supported the placement of strain BH1T in the genus Halomonas. DNA–DNA hybridization values between strain BH1T and H. neptunia CECT 5815T, H. variabilis DSM 3051T, H. boliviensis DSM 15516T and H. sulfidaeris CECT 5817T were 19, 17, 30 and 29 %, respectively, supporting the differential taxonomic status of BH1T. On the basis of the phenotypic, chemotaxonomic and phylogenetic data, strain BH1T is considered to represent a novel species, for which the name Halomonas titanicae sp. nov. is proposed. The type strain is BH1T (=ATCC BAA-1257T =CECT 7585T =JCM 16411T =LMG 25388T).

scholarly journals Brevibacillus aydinogluensis sp. nov., a moderately thermophilic bacterium isolated from Karakoc hot spring

2012 ◽  
Vol 62 (Pt_4) ◽  
pp. 849-855 ◽  
Author(s):  
Kadriye Inan ◽  
Sabriye Canakci ◽  
Ali Osman Belduz ◽  
Fikrettin Sahin
Keyword(s):  
Type Species ◽  
Hot Spring ◽  
Lipid Analysis ◽  
Sequence Similarity ◽  
Thermophilic Bacterium ◽  
Rrna Gene ◽  
Content Type ◽  
Moderately Thermophilic ◽  
Link Type ◽  
Gene Sequence Analysis

Two Gram-positive, moderately thermophilic, endospore-forming, rod-shaped, motile bacteria, designated PDF25T and PDF30, were isolated from Karakoc hot spring in the province of Izmir, Turkey, and were characterized in order to determine their phylogenetic positions. 16S rRNA gene sequence analysis revealed that the two strains belonged to the genus Brevibacillus ; strain PDF25T showed highest sequence similarity to strain PDF30 (99.4 %) and Brevibacillus thermoruber DSM 7064T (98.5 %). The major fatty acids of strain PDF25T were iso-C15 : 0 (39.30 %), anteiso-C15 : 0 (26.10 %) and iso-C16 : 0 (14.75 %). Polar lipid analysis revealed diphosphatidylglycerol, phosphatidylglycerol, phosphatidylmonomethylethanolamine, phosphatidylethanolamine, and a variety of unidentified aminophospholipids, phospholipids and aminolipids. The major isoprenoid quinone was MK-7. The G+C content of the genomic DNA was 56.09 mol%. DNA–DNA hybridization experiments revealed 58 % relatedness between strain PDF25T and B. thermoruber DSM 7064T. Based on these data, the two strains are considered to represent a novel species of the genus Brevibacillus , for which the name Brevibacillus aydinogluensis sp. nov. is proposed. The type strain is PDF25T ( = DSM 24395T = LMG 26289T).

Terriglobus tenax sp. nov., an exopolysaccharide-producing acidobacterium isolated from rhizosphere soil of a medicinal plant

2014 ◽  
Vol 64 (Pt_2) ◽  
pp. 431-437 ◽  
Author(s):  
Kyung-Sook Whang ◽  
Jae-Chan Lee ◽  
Hae-Ran Lee ◽  
Song-Ih Han ◽  
Sang-Ho Chung
Keyword(s):  
Type Species ◽  
Rhizosphere Soil ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type ◽  
Gram Staining ◽  
Optimum Ph ◽  
Type Strains

An exopolysaccharide-producing bacterium, designated strain DRP 35T, was isolated from the rhizosphere soil of a medicinal herb, Angelica sinensis, at Geumsan in Korea. Cells were Gram-staining-negative, non-motile, catalase-positive and oxidase-negative short rods. The isolate grew aerobically from 15 to 45 °C (optimum 30 °C), pH 3.5–7.0 (optimum pH 5.0) and in the presence of 0–1.0 % (w/v) NaCl. Phylogenetic analyses based on 16S rRNA gene sequences indicated that strain DRP 35T belongs to the genus Terriglobus in the phylum Acidobacteria with a sequence similarity of 97.2 % and 97.0 % to Terriglobus saanensis SP1PR4T and Terriglobus roseus KBS63T, respectively. The genomic DNA G+C content was 62.1 mol%. DNA–DNA relatedness between strain DRP 35T and the type strains of the other species of the genus Terriglobus , T. saanensis SP1PR4T and T. roseus KBS63T, were 24.6 and 17.2 %, respectively. The predominant menaquinone was MK-8. Major fatty acids were iso-C15 : 0, C16 : 1ω7c and C16 : 0. The polar lipids were phosphatidylethanolamine, unidentified aminophospholipid and unknown phospholipids. On the basis of polyphasic analysis from this study, strain DRP 35T represents a novel species of the genus Terriglobus for which the name Terriglobus tenax sp. nov. is proposed. The type strain is DRP 35T ( = KACC 16474T = NBRC 109677T).

scholarly journals Algoriphagus trabzonensis sp. nov., isolated from freshwater, and emended description of Algoriphagus alkaliphilus

2015 ◽  
Vol 65 (Pt_7) ◽  
pp. 2234-2240 ◽  
Author(s):  
Kadriye Inan ◽  
Murat Kacagan ◽  
Aysegul Ozer ◽  
Ali Osman Belduz ◽  
Sabriye Canakci
Keyword(s):  
Gene Sequence ◽  
Lipid Analysis ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
Unidentified Phospholipid ◽  
Gram Staining ◽  
A Value ◽  
Gene Sequence Analysis ◽  
Emended Description ◽  
Type Strains

A Gram-staining-negative, non-motile, catalase- and oxidase-positive strain, designated MS7T, was isolated from freshwater of a river near Trabzon, Turkey. Its taxonomy was investigated using a polyphasic approach. The strain grew optimally at 28 °C and pH 7.5 and in the presence of 2.0 % NaCl. 16S rRNA gene sequence analysis revealed that the strain belonged to the genus Algoriphagus; strain MS7T showed highest sequence similarity to the type strains of Algoriphagus alkaliphilus (97.3 %), Algoriphagus terrigena (96.8 %), Algoriphagus jejuensis (96.2 %), Algoriphagus boritolerans (96.1 %) and Algoriphagus aquatilis (95.8 %). The major fatty acids of strain MS7T were iso-C15 : 0 (30.14 %) and summed future 9 (10-methyl C16 : 0 and/or iso-C17 : 1 ω9c 18.75 %). Polar lipid analysis revealed phosphatidylethanolamine, a variety of unidentified lipids, an unidentified aminophospholipid, an unidentified phospholipid and an unidentified aminolipid. The major isoprenoid quinone was MK-7.The DNA G+C content of MS7T was 41.6 mol%, a value consistent with that of members of the genus Algoriphagus. The level of DNA–DNA relatedness between strain MS7T and A. alkaliphilus LMG 22694T was 41 %, which is clearly below the 70 % threshold accepted for species delineation. Thus, our results support the placement of strain MS7T within a separate and previously unrecognized species. On the basis of these data, the strain is considered to represent a novel species of the genus Algoriphagus, for which the name Algoriphagus trabzonensis sp. nov. is proposed. The type strain is MS7T ( = NCCB 100372T = LMG 26290T). An emended description of A. alkaliphilus is also provided.

scholarly journals Nocardioides daecheongensis sp. nov., isolated from soil

2014 ◽  
Vol 64 (Pt_12) ◽  
pp. 4109-4114 ◽  
Author(s):  
Jun-Muk Lim ◽  
Soo-Jin Kim ◽  
Moriyuki Hamada ◽  
Jae-Hyung Ahn ◽  
Hang-Yeon Weon ◽  
...  
Keyword(s):  
Type Species ◽  
Sequence Similarity ◽  
Diaminopimelic Acid ◽  
Rrna Gene ◽  
Closely Related Species ◽  
Content Type ◽  
Link Type ◽  
Gram Staining ◽  
Gene Sequence Analysis ◽  
Type Strains

Strain KIS2-16T was isolated from a soil sample collected from Daecheong Island of Incheon region, South Korea. KIS2-16T was Gram-staining-positive, aerobic, non-spore-forming, non-motile, catalase-positive, oxidase-negative and mesophilic. On the basis of 16S rRNA gene sequence analysis, strain KIS2-16T represented a member of the genus Nocardioides , being most closely related to the type strains of species of the genus Nocardioides , Nocardioides maradonensis RP-B30T (97.8 % sequence similarity) and Nocardioides ultimimeridianus RP-B26T (97.0 %). The fatty acid profile of KIS2-16T was dominated by C18 : 1ω9c, C17 : 1ω8c, C16 : 0, C18 : 0 10-methyl (TBSA), C16 : 0 2-OH and C17 : 0 2-OH. The major isoprenoid quinone was MK-8(H4), and the major polar lipids were diphosphatidylglycerol, phosphatidylglycerol and phosphatidylinositol. The peptidoglycan structure was A3γ-type with ll-diaminopimelic acid. The genomic DNA G+C content of KIS2-16T was 64.9 mol%. Strain KIS2-16T showed DNA–DNA hybridization values of less than 70 % with the closely related species of the genus Nocardioides . Based on phenotypic, genotypic and phylogenetic data, the isolate represents a novel species of the genus Nocardioides , for which the name Nocardioides daecheongensis sp. nov. (type strain KIS2-16T = DSM 27136T = KACC 17297T = NBRC 109597T) is proposed.

Pseudomonas guguanensis sp. nov., a gammaproteobacterium isolated from a hot spring

2013 ◽  
Vol 63 (Pt_12) ◽  
pp. 4591-4598 ◽  
Author(s):  
You-Cheng Liu ◽  
Li-Sen Young ◽  
Shih-Yao Lin ◽  
Asif Hameed ◽  
Yi-Han Hsu ◽  
...  
Keyword(s):  
16S Rrna ◽  
Type Species ◽  
Hot Spring ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type ◽  
Gene Sequence Analysis ◽  
Pairwise Sequence Similarity ◽  
Type Strains

An aerobic, Gram-stain-negative, rod-shaped bacterium (designated strain CC-G9AT), motile by a polar-flagellum, was isolated from a hot spring water sample in Taiwan. Strain CC-G9AT could grow at 20–42 °C, pH 6.0–10.0 and tolerate up to 7 % (w/v) NaCl. The 16S rRNA gene sequence analysis of strain CC-G9AT showed pairwise sequence similarity to Pseudomonas mendocina LMG 1223T (97.7 %), Pseudomonas alcaligenes ATCC 14909T (97.8 %), Pseudomonas alcaliphila DSM 17744T (97.8 %), Pseudomonas toyotomiensis JCM 15604T (97.6 %), Pseudomonas oleovorans subsp. lubricantis DSM 21016T (97.6 %) and Pseudomonas argentinensis BCRC 17807T (97.5 %), and lower sequence similarity to other species of the genus Pseudomonas . According to DNA–DNA association analysis, the relatedness of strain CC-G9AT to P. mendocina BCRC 10458T, P. alcaliphila DSM 17744T, P. alcaligenes BCRC 11893T, P. oleovorans subsp. lubricantis DSM 21016T, P. argentinensis BCRC 17807T and P. oleovorans subsp. oleovorans BCRC 11902 was 55.1±3.1, 13.7±1.5, 14.1±1.8, 58.5±1.1, 28.9±2.0 and 28.6±1.8 %, respectively. The evolutionary trees reconstructed based on 16S rRNA, gyrB and rpoB gene sequences revealed varying phylogenetic neighbourhoods of strain CC-G9AT with regard to the most closely related type strains. The predominant quinone system was ubiquinone (Q-9) and the DNA G+C content was 64.3±1.3 mol%. The major fatty acids were C10 : 0 3-OH, C12 : 0, C12 : 0 3-OH, C16 : 0 and summed features 3 and 8 consisting of C16 : 1ω7c/C16 : 1ω6c and C18 : 1ω7c/C18 : 1ω6c, respectively. The major polar lipids were diphosphatidylglycerol, phosphatidylcholine, phosphatidylethanolamine and phosphatidylglycerol. According to distinct phylogenetic, phenotypic and chemotaxonomic features, strain CC-G9AT is proposed to represent a novel species within the genus Pseudomonas for which the name Pseudomonas guguanensis sp. nov. is proposed. The type strain is CC-G9AT ( = BCRC 80438T = JCM 18416T).

scholarly journals Streptomyces sasae sp. nov., isolated from bamboo (Sasa borealis) rhizosphere soil

2015 ◽  
Vol 65 (Pt_10) ◽  
pp. 3547-3551 ◽  
Author(s):  
Hyo-Jin Lee ◽  
Kyung-Sook Whang
Keyword(s):  
Rhizosphere Soil ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Diaminopimelic Acid ◽  
Rrna Gene ◽  
Gram Staining ◽  
Gene Sequence Analysis ◽  
Biochemical Analyses ◽  
Ph Range ◽  
Genotypic Characteristics

A novel strain of Gram-staining-positive actinobacterium, designated strain JR-39T, was isolated from the rhizosphere soil of bamboo (Sasa borealis) sampled in Damyang, Korea, and its taxonomic position was investigated by a polyphasic approach. The isolate formed flexuous chains of spores that were cylindrical and smooth-surfaced. Strain JR-39T grew at 4–37 °C (optimum 28 °C). The pH range for growth was pH 5–10 (optimum pH 6–8) and the NaCl range for growth was 0–5 % (w/v) with optimum growth at 1 % NaCl. The cell-wall peptidoglycan contained ll-diaminopimelic acid, glutamic acid, alanine and glycine. Whole-cell hydrolysates mainly contained glucose, mannose, ribose and rhamnose. Predominant menaquinones were MK-9 (H6), MK-9 (H8) and MK-9 (H4). The major cellular fatty acids were anteiso-C15 : 0, iso-C16 : 0, iso-C15 : 0 and iso-C14 : 0. The G+C content of the DNA was 72.3 ± 0.34 mol%. Phylogenetic analyses based on 16S rRNA gene sequence analysis indicated that strain JR-39T belonged to the genus Streptomyces, showing the highest sequence similarity to Streptomyces panaciradicis 1MR-8T (99.4 %), Streptomyces capoamus JCM 4734T (98.8 %), Streptomyces galbus DSM 40089T (98.7 %), Streptomyces longwoodensis LMG 20096T (98.7 %), Streptomyces bungoensis NBRC 15711T (98.7 %) and Streptomyces rhizophilus JR-41T (98.7 %). However, DNA–DNA hybridization assays, as well as physiological and biochemical analyses, showed that strain JR-39T could be differentiated from its closest phylogenetic relatives. On the basis of the phenotypic and genotypic characteristics, strain JR-39T represents a novel species for which the name Streptomyces sasae sp. nov. is proposed. The type strain is JR-39T ( = KACC 17182T = NBRC 109809T).

Polaribacter gangjinensis sp. nov., isolated from seawater

2011 ◽  
Vol 61 (6) ◽  
pp. 1425-1429 ◽  
Author(s):  
Young Sun Lee ◽  
Dong-Heon Lee ◽  
Hyung-Yeel Kahng ◽  
San Ho Sohn ◽  
Jae Sung Jung
Keyword(s):  
Gene Sequence ◽  
Novel Species ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
Strictly Aerobic ◽  
Rrna Gene Sequence ◽  
Gram Staining ◽  
Gene Sequence Analysis ◽  
The Family ◽  
Type Strains

A strictly aerobic, orange-pigmented and Gram-staining-negative bacterium, designated K17-16T, was isolated from seawater of Gangjin Bay, Korea. Comparative 16S rRNA gene sequence analysis revealed that strain K17-16T was a member of the genus Polaribacter in the family Flavobacteriaceae and showed 94.0–95.6 % sequence similarity with the type strains of recognized species of the genus Polaribacter. The G+C content of the genomic DNA was 34.6 mol% and the major respiratory lipoquinone was MK-6. The major polar lipids detected were phosphatidylethanolamine, three unidentified amino-group-containing lipids and an unidentified aminophospholipid. The predominant cellular fatty acids were iso-C15 : 0 (15.4 %), C15 : 0 (12.4 %), summed feature 3 (comprising iso-C15 : 0 2-OH and/or C16 : 1ω7c; 10.6 %), C15 : 1ω6c (9.8 %) and iso-C15 : 0 3-OH (8.6 %). On the basis of phenotypic and genotypic data, strain K17-16T represents a novel species in the genus Polaribacter, for which the name Polaribacter gangjinensis sp. nov. is proposed. The type strain is K17-16T ( = KCTC 22729T = JCM 16152T).

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