scholarly journals Sphingomonas polyaromaticivorans sp. nov., a polycyclic aromatic hydrocarbon-degrading bacterium from an oil port water sample

2012 ◽  
Vol 62 (Pt_6) ◽  
pp. 1223-1227 ◽  
Author(s):  
Yuan-Rong Luo ◽  
Yun Tian ◽  
Xu Huang ◽  
Kaekyoung Kwon ◽  
Sung-Hyun Yang ◽  
...  
Keyword(s):  
16S Rrna ◽  
Polycyclic Aromatic Hydrocarbon ◽  
16S Rrna Gene ◽  
Aromatic Hydrocarbon ◽  
Water Sample ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type ◽  
Degrading Bacterium ◽  
Polycyclic Aromatic

A bacterial strain (B2-7T) capable of degrading a wide range of polycyclic aromatic hydrocarbon compounds (2–4 rings) was isolated from a water sample taken from Botan Oil Port in Xiamen, China. The isolate was Gram-negative, short-rod-shaped, aerobic, non-motile and formed yellow-pigmented colonies on LB medium. Cells of strain B2-7T were catalase-positive and oxidase-negative. Optimal growth of strain B2-7T was observed at pH 7.0, at 26 °C and in 0.5 % NaCl. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain B2-7T grouped with members of the genus Sphingomonas and it showed 16S rRNA gene sequence similarity of 95.40 % to Sphingomonas yunnanensis YIM 003T. The major polar lipids were phosphatidylethanolamine, phosphatidylcholine and sphingoglycolipid. Q-10 and sym-homospermidine were the predominant ubiquinone and polyamine components, respectively. The major fatty acids were C18 : 1ω7c (67.2 %), C14 : 0 2-OH (10.0 %) and C16 : 0 (9.6 %). The G+C content of the genomic DNA was 61.8 mol%. Based on phenotypic properties, and phylogenetic and genomic data, strain B2-7T represents a novel species of the genus Sphingomonas within the class Alphaproteobacteria , for which the name Sphingomonas polyaromaticivorans sp. nov. is proposed. The type strain is B2-7T ( = KCCM 42951T = JCM 16711T).

scholarly journals Mycobacterium pyrenivorans sp. nov., a novel polycyclic-aromatic-hydrocarbon-degrading species

2004 ◽  
Vol 54 (6) ◽  
pp. 2313-2317 ◽  
Author(s):  
Kerstin Derz ◽  
Ulrich Klinner ◽  
Ingolf Schuphan ◽  
Erko Stackebrandt ◽  
Reiner M. Kroppenstedt
Keyword(s):  
16S Rrna ◽  
Polycyclic Aromatic Hydrocarbon ◽  
16S Rrna Gene ◽  
Aromatic Hydrocarbon ◽  
Sole Source ◽  
Rrna Gene ◽  
Phenotypic Properties ◽  
Degrading Bacterium ◽  
Polycyclic Aromatic ◽  
Mycobacterium Aurum

The taxonomic position of a polycyclic-aromatic-hydrocarbon-degrading bacterium, strain 17A3T, isolated from contaminated soil was determined using a combination of phenotypic and genotypic properties. The isolate showed phenotypic properties that were diagnostic for species of the genus Mycobacterium. Comparative 16S rRNA gene sequence analysis assigned 17A3T to the 16S rRNA gene subgroup that contains Mycobacterium aurum, Mycobacterium austroafricanum, Mycobacterium vaccae and Mycobacterium vanbaalenii, but it could clearly be distinguished from these species using a combination of physiological, chemotaxonomic markers and internal rRNA gene spacer analyses. The data showed that strain 17A3T (=DSM 44605T=NRRL B-24244T) merits recognition as the type strain of a novel species of the genus Mycobacterium. The name Mycobacterium pyrenivorans sp. nov. is proposed for the species because of its ability to use pyrene as a sole source of carbon and energy.

scholarly journals Aliiglaciecola aliphaticivorans sp. nov., an aliphatic hydrocarbon-degrading bacterium, isolated from a sea-tidal flat and emended description of the genus Aliiglaciecola Jean et al. 2013

2015 ◽  
Vol 65 (Pt_5) ◽  
pp. 1550-1555 ◽  
Author(s):  
Hyun Mi Jin ◽  
Hye Im Jeong ◽  
Che Ok Jeon
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Tidal Flat ◽  
The Yellow Sea ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type ◽  
Molecular Features ◽  
Degrading Bacterium ◽  
Emended Description

A Gram-stain-negative heterotrophic bacterium, designated GSD6T, capable of growth on aliphatic hydrocarbons as a sole carbon and energy source, was isolated from sea-tidal flat sediment of the Yellow Sea, South Korea. Cells were facultatively aerobic, catalase- and oxidase-positive, motile rods with a single polar flagellum. Growth of strain GSD6T was observed at 4–37 °C (optimum 30 °C), at pH 5.5–9.0 (optimum pH 6.5–7.5) and in the presence of 1–9 % (w/v) NaCl (optimum 2 %). Strain GSD6T contained ubiquinone-8 (Q-8) as the sole isoprenoid quinone and summed feature 3 (comprising C16 : 1ω7c and/or iso-C15 : 0 2-OH), C16 : 0, C18 : 1ω7c, C17 : 0 10-methyl and C17 : 1ω8c as the major fatty acids. Phosphatidylethanolamine and phosphatidylglycerol were identified as the major polar lipids. The G+C content of the genomic DNA was 44.6 mol%. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain GSD6T formed a phylogenetic lineage with members of the genus Aliiglaciecola . Strain GSD6T was most closely related to Aliiglaciecola lipolytica E3T with a 16S rRNA gene sequence similarity of 97.4 %, but their DNA–DNA hybridization value was 39.1±7.1 %. On the basis of phenotypic, chemotaxonomic and molecular features, strain GSD6T represents a novel species of the genus Aliiglaciecola , for which the name Aliiglaciecola aliphaticivorans sp. nov. is proposed. The type strain is GSD6T ( = KACC 18129T = JCM 30133T). An emended description of the genus Aliiglaciecola is also proposed.

scholarly journals Zhongshania aliphaticivorans sp. nov., an aliphatic hydrocarbon-degrading bacterium isolated from marine sediment, and transfer of Spongiibacter borealis Jang et al. 2011 to the genus Zhongshania as Zhongshania borealis comb. nov.

2014 ◽  
Vol 64 (Pt_11) ◽  
pp. 3768-3774 ◽  
Author(s):  
Naysim LO ◽  
Hyo Jung Kang ◽  
Che Ok Jeon
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Type Species ◽  
Rrna Gene ◽  
Aerobic Bacterium ◽  
Content Type ◽  
Link Type ◽  
Gram Staining ◽  
Degrading Bacterium

A Gram-staining-negative, facultatively aerobic bacterium, designated SM-2T, was isolated from a sea-tidal flat of Yellow Sea, South Korea. Cells were catalase- and oxidase-positive motile rods with a single polar flagellum. Growth of strain SM-2T was observed at 10–37 °C (optimum, 25–30 °C), at pH 5.5–8.5 (optimum, pH 7.0–7.5) and in the presence of 0–11 % (w/v) NaCl (optimum, 2 %). Strain SM-2T contained ubiquinone-8 (Q-8) as the sole isoprenoid quinone and C17 : 1ω8c, summed feature 3 (comprising C16 : 1ω7c and/or iso-C15 : 0 2-OH), C17 : 0 and C18 : 1ω7c as the major fatty acids. Phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol and an unidentified lipid were identified as the major cellular polar lipids. The G+C content of the genomic DNA was 52.2 mol%. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain SM-2T formed a tight phyletic lineage with Zhongshania antarctica ZS5-23T, Zhongshania guokunii ZS6-22T and Spongiibacter borealis CL-AS9T, but that S. borealis CL-AS9T was distinct from other species of the genus Spongiibacter . Based on 16S rRNA gene sequence similarities, strain SM-2T was most closely related to S. borealis CL-AS9T, Z. antarctica ZS5-23T and Z. guokunii ZS6-22T, with similarities of 99.5 %, 98.9 % and 98.7 %, respectively, but the DNA–DNA hybridization values among these species were clearly lower than 70 %. On the basis of chemotaxonomic data and molecular properties, we propose strain SM-2T represents a novel species of the genus Zhongshania with the name Zhongshania aliphaticivorans sp. nov. (type strain SM-2T = KACC 18120T = JCM 30138T). We also propose the transfer of Spongiibacter borealis Jang et al. 2011 to the genus Zhongshania as Zhongshania borealis comb. nov. (type strain CL-AS9T = KCCM 90094T = JCM 17304T).

scholarly journals Thalassospira xianhensis sp. nov., a polycyclic aromatic hydrocarbon-degrading marine bacterium

2010 ◽  
Vol 60 (5) ◽  
pp. 1125-1129 ◽  
Author(s):  
Baisuo Zhao ◽  
Hui Wang ◽  
Ruirui Li ◽  
Xinwei Mao
Keyword(s):  
16S Rrna ◽  
Polycyclic Aromatic Hydrocarbon ◽  
16S Rrna Gene ◽  
Aromatic Hydrocarbon ◽  
Marine Bacterium ◽  
Gene Sequence ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Polycyclic Aromatic

A polycyclic aromatic hydrocarbon-degrading marine bacterium, designated strain P-4T, was isolated from oil-polluted saline soil in Xianhe, Shangdong Province, China. Strain P-4T was Gram-negative-staining with curved to spiral rod-shaped cells and grew optimally with 3–6 % (w/v) NaCl and at 30 °C. The predominant fatty acids were C18 : 1 ω7c (35.0 %), C16 : 0 (25.0 %), C16 : 1 ω7c (17.9 %), C14 : 0 (6.2 %) and C17 : 0 cyclo (5.2 %). The major respiratory quinone was Q-9 and the genomic DNA G+C content was 61.2±1.0 mol%. Phylogenetic analysis based on the 16S rRNA gene sequence indicated that strain P-4T belonged to the genus Thalassospira of the class Alphaproteobacteria. DNA–DNA hybridization with Thalassospira xiamenensis DSM 17429T showed relatedness of 36.0 %, and lower values were obtained with respect to other Thalassospira species. Based on physiological and biochemical tests and 16S rRNA gene sequence analysis as well as DNA–DNA relatedness, strain P-4T should be placed in the genus Thalassospira within a novel species. The name Thalassospira xianhensis sp. nov. is proposed, with P-4T (=CGMCC 1.6849T =JCM 14850T) as the type strain.

scholarly journals Rhizobium flavum sp. nov., a triazophos-degrading bacterium isolated from soil under the long-term application of triazophos

2014 ◽  
Vol 64 (Pt_6) ◽  
pp. 2017-2022 ◽  
Author(s):  
Tao Gu ◽  
Li Na Sun ◽  
Jun Zhang ◽  
Xin Hua Sui ◽  
Shun Peng Li
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Species ◽  
Rrna Gene ◽  
Gene Sequences ◽  
Phenotypic Properties ◽  
Content Type ◽  
Link Type ◽  
Degrading Bacterium ◽  
Type Strains

A Gram-stain-negative, non-motile, pale yellow, rod-shaped bacterial strain, YW14T, was isolated from soil and its taxonomic position was investigated by a polyphasic study. Strain YW14T did not form nodules on three different legumes, and the nodD and nifH genes were not detected by PCR. Strain YW14T contained Q-10 as the predominant ubiquinone. The major cellular fatty acid was C18 : 1ω7c. Phylogenetic analyses based on 16S rRNA gene sequences and seven housekeeping gene sequences (recA, atpD, glnII, gyrB, rpoB, dnaK and thrC) showed that strain YW14T belonged to the genus Rhizobium . Strain YW14T showed 16S rRNA gene sequence similarity of 93.4–97.3 % to the type strains of recognized species of the genus Rhizobium . DNA–DNA relatedness between strain YW14T and the type strains of Rhizobium sullae IS123T and Rhizobium yanglingense CCBAU 71623T was 19.6–25.7 %, indicating that strain YW14T was distinct from them genetically. Strain YW14T could also be differentiated from these phylogenetically related species of the genus Rhizobium by various phenotypic properties. On the basis of phenotypic properties, phylogenetic distinctiveness and genetic data, strain YW14T is considered to represent a novel species of the genus Rhizobium , for which the name Rhizobium flavum sp. nov. is proposed. The type strain is YW14T ( = KACC 17222T = CCTCC AB2013042T).

scholarly journals Influence of Vegetation on the In Situ Bacterial Community and Polycyclic Aromatic Hydrocarbon (PAH) Degraders in Aged PAH-Contaminated or Thermal-Desorption-Treated Soil

2009 ◽  
Vol 75 (19) ◽  
pp. 6322-6330 ◽  
Author(s):  
Aurélie Cébron ◽  
Thierry Beguiristain ◽  
Pierre Faure ◽  
Marie-Paule Norini ◽  
Jean-François Masfaraud ◽  
...  
Keyword(s):  
Bacterial Community ◽  
16S Rrna ◽  
Polycyclic Aromatic Hydrocarbon ◽  
16S Rrna Gene ◽  
Aromatic Hydrocarbon ◽  
Dry Weight ◽  
Rrna Gene ◽  
Degrading Bacteria ◽  
Polycyclic Aromatic

ABSTRACT The polycyclic aromatic hydrocarbon (PAH) contamination, bacterial community, and PAH-degrading bacteria were monitored in aged PAH-contaminated soil (Neuves-Maisons [NM] soil; with a mean of 1,915 mg of 16 PAHs·kg−1 of soil dry weight) and in the same soil previously treated by thermal desorption (TD soil; with a mean of 106 mg of 16 PAHs·kg−1 of soil dry weight). This study was conducted in situ for 2 years using experimental plots of the two soils. NM soil was colonized by spontaneous vegetation (NM-SV), planted with Medicago sativa (NM-Ms), or left as bare soil (NM-BS), and the TD soil was planted with Medicago sativa (TD-Ms). The bacterial community density, structure, and diversity were estimated by real-time PCR quantification of the 16S rRNA gene copy number, temporal thermal gradient gel electrophoresis fingerprinting, and band sequencing, respectively. The density of the bacterial community increased the first year during stabilization of the system and stayed constant in the NM soil, while it continued to increase in the TD soil during the second year. The bacterial community structure diverged among all the plot types after 2 years on site. In the NM-BS plots, the bacterial community was represented mainly by Betaproteobacteria and G ammaproteobacteria. The presence of vegetation (NM-SV and NM-Ms) in the NM soil favored the development of a wider range of bacterial phyla (Alphaproteobacteria, Betaproteobacteria, G ammaproteobacteria, Verrucomicrobia, Actinobacteria, Firmicutes, and Chlorof l exi) that, for the most part, were not closely related to known bacterial representatives. Moreover, under the influence of the same plant, the bacterial community that developed in the TD-Ms was represented by different bacterial species (Alphaproteobacteria, Betaproteobacteria, Gammaproteobacteria, and Actinobacteria) than that in the NM-Ms. During the 2 years of monitoring, the PAH concentration did not evolve significantly. The abundance of gram-negative (GN) and gram-positive (GP) PAH-degrading bacteria was estimated by real-time PCR quantification of specific functional genes encoding the α subunit of PAH-ring hydroxylating dioxygenase (PAH-RHDα). The percentage of the PAH-RHDα GN bacterial genes relative to 16S rRNA gene density decreased with time in all the plots. The GP PAH-RHDα bacterial gene proportion decreased in the NM-BS plots but stayed constant or increased under vegetation influence (NM-SV, NM-Ms, and TD-Ms).

scholarly journals Zoogloea oleivorans sp. nov., a floc-forming, petroleum hydrocarbon-degrading bacterium isolated from biofilm

2015 ◽  
Vol 65 (Pt_1) ◽  
pp. 274-279 ◽  
Author(s):  
Milán Farkas ◽  
András Táncsics ◽  
Balázs Kriszt ◽  
Tibor Benedek ◽  
Erika M. Tóth ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Species ◽  
Petroleum Hydrocarbon ◽  
Sequence Similarity ◽  
Contaminated Site ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type ◽  
Degrading Bacterium

A floc-forming, Gram-stain-negative, petroleum hydrocarbon-degrading bacterial strain, designated BucT, was isolated from a petroleum hydrocarbon-contaminated site in Hungary. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain BucT formed a distinct phyletic lineage within the genus Zoogloea . Its closest relative was found to be Zoogloea caeni EMB43T (97.2 % 16S rRNA gene sequence similarity) followed by Zoogloea oryzae A-7T (95.9 %), Zoogloea ramigera ATCC 19544T (95.5 %) and Zoogloea resiniphila DhA-35T (95.4 %). The level of DNA–DNA relatedness between strain BucT and Z. caeni EMB43T was 31.6 %. Cells of strain BucT are facultatively aerobic, rod-shaped, and motile by means of a polar flagellum. The strain grew at temperatures of 5–35 °C (optimum 25–28 °C), and at pH 6.0–9.0 (optimum 6.5–7.5). The predominant fatty acids were C16 : 0, C10 : 0 3-OH, C12 : 0 and summed feature 3 (C16 : 1ω7c and/or iso-C15 : 0 2-OH). The major respiratory quinone was ubiquinone-8 (Q-8) and the predominant polar lipid was phosphatidylethanolamine. The genomic DNA G+C content was 63.2 mol%. On the basis of the chemotaxonomic, molecular and phenotypic data, isolate BucT is considered to represent a novel species of the genus Zoogloea , for which the name Zoogloea oleivorans sp. nov. is proposed. The type strain is BucT ( = DSM 28387T = NCAIM B 02570T).

scholarly journals Ammoniibacillus agariperforans gen. nov., sp. nov., a thermophilic, agar-degrading bacterium isolated from compost

2015 ◽  
Vol 65 (Pt_2) ◽  
pp. 570-577 ◽  
Author(s):  
Masao Sakai ◽  
Daigo Deguchi ◽  
Akifumi Hosoda ◽  
Tomohiro Kawauchi ◽  
Makoto Ikenaga
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Species ◽  
Sequence Similarity ◽  
Diaminopimelic Acid ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type ◽  
Degrading Bacterium ◽  
The Family

A thermophilic, agar-degrading bacterium, strain FAB2T, was isolated from sewage sludge compost. According to phylogenetic analysis based on 16S rRNA gene sequences, strain FAB2T belonged to the family Paenibacillaceae within the phylum Firmicutes . However, FAB2T was different enough at the genus level from closely related species. The percentages of 16S rRNA gene sequence similarity with related organisms were 90.4 % for Thermobacillus xylanilyticus , 91.8 % for Paenibacillus barengoltzii , 89.4 % for Cohnella lupini , 90.1 % for Fontibacillus aquaticus , and 89.0 % for Saccharibacillus sacchari . Morphological and physiological analyses revealed that the strain was motile, rod-shaped, Gram-stain-positive, aerobic and able to form oval endospores in swollen sporangia. Ammonium was required as a nitrogen source while nitrate, nitrite, urea and glutamate were not utilized. Catalase and oxidase activities were weakly positive and positive, respectively. The bacterium grew in the temperature range of 50–65 °C and in media with pH 7.5 to 9.0. Optimal growth occurred at 60 °C and pH 8.0–8.6. Growth was inhibited at pH≤7.0 and NaCl concentrations ≥2.5 % (w/v). In chemotaxonomic characterization, MK-7 was identified as the dominant menaquinone. Major fatty acids were iso-C16 : 0 and C16 : 0. Dominant polar lipids were diphosphatidylglycerol, phosphatidylglycerol and phosphatidylethanolamine. Phosphatidylcholine was present in a moderate amount. The diamino acid in the cell wall was meso-diaminopimelic acid. The G+C content of the genomic DNA was 49.5 mol% in a nucleic acid study. On the basis of genetic and phenotypic characteristics, strain FAB2T ( = NBRC 109510T = KCTC 33130T) showed characteristics suitable for classification as the type strain of a novel species of a new genus in the family Paenibacillaceae , for which the name Ammoniibacillus agariperforans gen. nov., sp. nov. is proposed.

scholarly journals Nocardioides soli sp. nov., a carbendazim-degrading bacterium isolated from soil under the long-term application of carbendazim

2014 ◽  
Vol 64 (Pt_6) ◽  
pp. 2047-2052 ◽  
Author(s):  
Li-Na Sun ◽  
Jun Zhang ◽  
Fen-Fen Gong ◽  
Xiang Wang ◽  
Gang Hu ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Type Species ◽  
Diaminopimelic Acid ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type ◽  
Degrading Bacterium

The taxonomic status of a carbendazim-degrading strain, mbc-2T, isolated from soil under the long-term application of carbendazim in China was determined by means of a polyphasic study. The cells were Gram-stain-positive, motile and rod-shaped. Strain mbc-2T grew optimally at pH 7.0, 30–35 °C and in the presence of 1 % (w/v) NaCl. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain mbc-2T fell within the genus Nocardioides , forming a coherent cluster with the type strain of Nocardioides hankookensis , with which it exhibited 16S rRNA gene sequence similarity values of 97.9 %. The chemotaxonomic properties of strain mbc-2T were consistent with those of the genus Nocardioides : the cell-wall peptidoglycan type was based on ll-2,6-diaminopimelic acid, the predominant menaquinone was MK-8 (H4) and the major fatty acid was iso-C16 : 0. The major polar lipids were phosphatidylglycerol, phosphatidylethanolamine, diphosphatidylglycerol, unknown phospholipids and an unknown aminolipid. The DNA G+C content was 72 mol%. Strain mbc-2T exhibited DNA–DNA relatedness values of 12.5±1.5 %, 23.7±2.7 % and 26.3±3.2 % with respect to Nocardioides hankookensis DS-30T, Nocardioides aquiterrae GW-9T and Nocardioides pyridinolyticus OS4T. On the basis of the data obtained, strain mbc-2T represents a novel species of the genus Nocardioides , for which the name Nocardioides soli sp. nov. is proposed. The type strain is mbc-2T ( = KACC 17152T = CCTCC AB 2012934T).

Flaviramulus ichthyoenteri sp. nov., an N-acylhomoserine lactone-degrading bacterium isolated from the intestine of a flounder (Paralichthys olivaceus), and emended descriptions of the genus Flaviramulus and Flaviramulus basaltis

2013 ◽  
Vol 63 (Pt_12) ◽  
pp. 4477-4483 ◽  
Author(s):  
Yunhui Zhang ◽  
Kaihao Tang ◽  
Xiaochong Shi ◽  
Xiao-Hua Zhang
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Species ◽  
Paralichthys Olivaceus ◽  
Polar Lipids ◽  
Rrna Gene ◽  
Content Type ◽  
Acylhomoserine Lactone ◽  
Link Type ◽  
Degrading Bacterium

A Gram-stain-negative, strictly aerobic, yellow-pigmented, rod-shaped and N-acylhomoserine lactone-degrading bacterium, designated strain Th78T, was isolated from the intestine of a cultured flounder (Paralichthys olivaceus). Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain Th78T belonged to the genus Flaviramulus (family Flavobacteriaceae ) and showed the highest 16S rRNA gene sequence similarity to Flaviramulus basaltis H35T (96.70 %). Optimal growth occurred in the presence of 2–3 % (w/v) NaCl, at pH 7.0–8.0 and at 28 °C. The major fatty acids were iso-C15 : 0 3-OH, iso-C15 : 1 G and iso-C17 : 0 3-OH. The major polar lipids were phosphatidylethanolamine, one unidentified aminolipid and three unidentified polar lipids. Menaquinone 6 (MK-6) was the only respiratory quinone. The DNA G+C content of strain Th78T was 31.5 mol%. On the basis of polyphasic analysis, strain Th78T is considered to represent a novel species of the genus Flaviramulus , for which the name Flaviramulus ichthyoenteri sp. nov. is proposed. The type strain is Th78T ( = JCM 18634T = KCTC 32142T = DSM 26285T). Emended descriptions of the genus Flaviramulus and Flaviramulus basaltis are also proposed.

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