scholarly journals Nesiotobacter exalbescens gen. nov., sp. nov., a moderately thermophilic alphaproteobacterium from an Hawaiian hypersaline lake

2006 ◽  
Vol 56 (3) ◽  
pp. 563-567 ◽  
Author(s):  
Stuart P. Donachie ◽  
John P. Bowman ◽  
Maqsudul Alam
Keyword(s):  
Type Species ◽  
Proteolytic Enzymes ◽  
Sequence Similarity ◽  
Carbon Sources ◽  
Octadecenoic Acid ◽  
Comparative Sequence Analysis ◽  
Hypersaline Lake ◽  
Rrna Gene ◽  
Moderately Thermophilic ◽  
Moderate Thermophile

A Gram-negative bacterium, designated LA33BT, was isolated from water collected from a hypersaline lake on uninhabited Laysan Atoll in the Northwestern Hawaiian Islands. Cells of strain LA33BT are motile, straight rods that grow between 4 and 45 °C and in media containing 1–17·5 % (w/v) NaCl. The strain oxidizes carbohydrates, nucleosides, amino acids and organic acids presented as sole carbon sources and constitutive lipolytic and proteolytic enzymes are expressed. Over 75 % of the fatty acid pool is cis-11-octadecenoic acid (18 : 1ω7c). Comparative sequence analysis of the 16S rRNA gene indicates that the strain forms a new lineage in the α-2 subclass of the Proteobacteria, with the closest recognized strains being Stappia aggregata NCIMB 2208T and Roseibium denhamense JCM 10543T, with which it shares 94–95 % sequence similarity. Strain LA33BT differs phenotypically from extant Stappia and Roseibium species, however, in that it is a moderate thermophile, it requires NaCl and tolerates higher NaCl concentrations and it does not express β-galactosidase or oxidize glycerol. On the basis of genotypic data and phenotypic characteristics, we propose that strain LA33BT does not belong to the genera Stappia or Roseibium and that it represents the type species of a new genus, Nesiotobacter. Strain LA33BT (=ATCC BAA-994T=CIP 108449T) is proposed as the type strain of the type species of this genus, with the name Nesiotobacter exalbescens gen. nov., sp. nov.

Pleomorphobacterium xiamenense gen. nov., sp. nov., a moderate thermophile isolated from a terrestrial hot spring

2013 ◽  
Vol 63 (Pt_5) ◽  
pp. 1868-1873 ◽  
Author(s):  
Decui Yin ◽  
Liwei Chen ◽  
Jingqun Ao ◽  
Chunxiang Ai ◽  
Xinhua Chen
Keyword(s):  
Type Species ◽  
Hot Spring ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
Respiratory Quinone ◽  
Content Type ◽  
Moderately Thermophilic ◽  
Link Type ◽  
Moderate Thermophile ◽  
Terrestrial Hot Spring

An aerobic, motile, moderately thermophilic rod, designated strain CLWT, was isolated from a terrestrial hot spring in an exposition garden in Xiamen City, Fujian Province, the People’s Republic of China. Strain CLWT formed beige, dry colonies on solid 2216E medium and flocks in liquid medium. Cells were Gram-stain-negative, short rods (1.0–3.0 µm long and 0.4–0.6 µm wide) with six or more polar flagella. The temperature and pH for growth of strain CLWT were 28–65 °C (optimum, 50–58 °C) and pH 5.5–9.5 (optimum, pH 6.0–8.0). Growth occurred in the presence of 0.3–6.0 % NaCl (optimum 2.5–4.5 %). Phylogenetic analysis based on 16S rRNA gene sequences showed that the closest relative of the isolate was Amaricoccus kaplicensis Ben 101T (94.3 % sequence similarity). The DNA G+C content of strain CLWT was 72.2 mol%. The respiratory quinone was ubiquinone 10. The predominant polar lipids consisted of phosphatidylglycerol and phosphatidylethanolamine. The major fatty acids (>10 %) were summed feature 8 (consisting of C18 : 1ω7c and/or C18 : 1ω6c), C18 : 1ω7c 11-methyl and C18 : 0. Based on phylogenetic, physiological and biochemical data and DNA G+C content, strain CLWT is considered to represent a novel species of a new genus in the family Rhodobacteraceae , for which the name Pleomorphobacterium xiamenense gen. nov., sp. nov. is proposed. The type strain of the type species is CLWT ( = LMG 26245T = CGMCC 1.10808T = MCCC 1A06272T).

Methylogaea oryzae gen. nov., sp. nov., a mesophilic methanotroph isolated from a rice paddy field

2011 ◽  
Vol 61 (11) ◽  
pp. 2568-2572 ◽  
Author(s):  
Estefanía Geymonat ◽  
Lucía Ferrando ◽  
Silvana E. Tarlera
Keyword(s):  
Paddy Field ◽  
Sequence Similarity ◽  
Rice Paddy ◽  
Cellular Fatty Acid ◽  
Comparative Sequence Analysis ◽  
Rrna Gene ◽  
Type I ◽  
Methylococcus Capsulatus ◽  
Rice Paddy Field ◽  
Moderately Thermophilic

A novel methanotroph, designated strain E10T, was isolated from a rice paddy field in Uruguay. Strain E10T grew on methane and methanol as sole carbon and energy sources. Cells were Gram-negative, non-motile, non-pigmented, slightly curved rods showing type I intracytoplasmic membranes arranged in stacks. The strain was neutrophilic and mesophilic; optimum growth occurred at 30–35 °C with no growth above 37 °C. The strain possessed only a particulate methane monooxygenase (pmoA). Phylogenetic analysis based on 16S rRNA gene sequences indicated that the strain was most closely related to the moderately thermophilic strains Methylocaldum szegediense OR2T (91.6 % sequence similarity) and Methylococcus capsulatus Bath (91.5 %). Comparative sequence analysis of pmoA genes also confirmed that strain E10T formed a new lineage among the genera Methylocaldum and Methylococcus with 89 and 84 % derived amino acid sequence identity to Methylococcus capsulatus Bath and Methylocaldum gracile VKM-14LT, respectively. The DNA G+C content was 63.1 mol% and the major cellular fatty acid was C16 : 0 (62.05 %). Thus, strain E10T ( = JCM 16910T  = DSM 23452T) represents the type strain of a novel species within a new genus, for which the name Methylogaea oryzae gen. nov., sp. nov. is proposed.

Fonticella tunisiensis gen. nov., sp. nov., isolated from a hot spring

2013 ◽  
Vol 63 (Pt_6) ◽  
pp. 1947-1950 ◽  
Author(s):  
Belkis Fraj ◽  
Wajdi Ben Hania ◽  
Anne Postec ◽  
Moktar Hamdi ◽  
Bernard Ollivier ◽  
...  
Keyword(s):  
Type Species ◽  
Hot Spring ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
Strictly Anaerobic ◽  
Fermentation Products ◽  
Content Type ◽  
Moderately Thermophilic ◽  
Link Type ◽  
Nitrate And Nitrite

A strictly anaerobic, moderately thermophilic, halotolerant rod, designated BELH25T, was isolated from a water sample of a Tunisian hot spring. Cells were non-motile, 2–6 µm long and 0.4–0.6 µm wide, appearing singly or in pairs. The isolate grew at 45–70 °C (optimum 55 °C), at pH 6.2–8.0 (optimum pH 7.0) and with 0–4 % NaCl (optimum 0–2.0 %). Sulfate, thiosulfate, elemental sulfur, sulfite, nitrate and nitrite were not used as terminal electron acceptors. Strain BELH25T used cellobiose, fructose, galactose, glucose, maltose, mannose, sucrose, starch and yeast extract as electron donors. The main fermentation products from glucose metabolism were formate, acetate, ethanol and CO2. The predominant cellular fatty acids were iso-C15 : 0, iso-C17 : 0 and anteiso-C15 : 0. The DNA G+C content was 37.2 mol%. Phylogenetic analysis of the 16S rRNA gene sequence indicated that strain BELH25T was most closely related to Caloramator viterbiensis JW/MS-VS5T and Fervidicella metallireducens AeBT (92.2 and 92.1 % sequence similarity, respectively), and the isolate was positioned approximately equidistantly between these genera. Based on phenotypic, phylogenetic and chemotaxonomic characteristics, strain BELH25T is proposed to be a member of a novel species of a novel genus within the order Clostridiales , family Clostridiaceae , for which the name Fonticella tunisiensis gen. nov., sp. nov. is proposed. The type strain of the type species is BELH25T ( = DSM 24455T = JCM 17559T).

Salimesophilobacter vulgaris gen. nov., sp. nov., an anaerobic bacterium isolated from paper-mill wastewater

2013 ◽  
Vol 63 (Pt_4) ◽  
pp. 1317-1322 ◽  
Author(s):  
Yan-Zhou Zhang ◽  
Ming-Xu Fang ◽  
Wen-Wu Zhang ◽  
Tian-Tian Li ◽  
Min Wu ◽  
...  
Keyword(s):  
Type Species ◽  
Sequence Similarity ◽  
Heterotrophic Bacterium ◽  
Carbon Sources ◽  
Optimal Growth ◽  
Paper Mill ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type ◽  
Lateral Flagellum

A novel anaerobic, heterotrophic bacterium, designated strain Zn2T, was isolated from the wastewater of a paper mill in Zhejiang, China. Cells were Gram-type-positive rods, 0.5–0.8 µm wide and 2–4 µm long, and were motile by a lateral flagellum. The ranges of temperature and pH for growth were 10–50 °C and pH 6.0–9.5. Optimal growth occurred at 35 °C and pH 7.3–7.5. The strain did not require NaCl for growth, but its inclusion in the medium improved growth (optimum concentration 6 %). Substrates utilized as sole carbon sources were peptone, tryptone, Casamino acids, d-xylose, salicin, glycerol, formate, acetate and propionate. The main products of carbohydrate fermentation were acetate, formate, propionate and lactate. Elemental sulfur, thiosulfate and Fe(III) were used as electron acceptors, but sulfate, sulfite, nitrate, nitrite and Mn(IV) were not. Growth was inhibited by the addition of 10 µg ampicillin, penicillin, tetracycline or chloramphenicol ml−1. iso-C15 : 0, C14 : 0, C16 : 0, C16 : 1 cis9 and C18 : 1 cis9 were the major fatty acids. Strain Zn2T did not contain any detectable menaquinones or ubiquinones. The main polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, phosphatidylserine, two unknown phospholipids and four unknown glycolipids. The genomic DNA G+C content was 37 mol%, as determined by HPLC. 16S rRNA gene sequence analysis revealed that strain Zn2T was a member of family Clostridiaceae , and was most closely related to the type strains of Geosporobacter subterraneus , Thermotalea metallivorans and Caminicella sporogenes , showing 91.2, 90.3 and 91.1 % sequence similarity, respectively. On the basis of its phenotypic and genotypic properties, strain Zn2T is suggested to represent a novel species of a new genus, for which the name Salimesophilobacter vulgaris gen. nov., sp. nov. is proposed. The type strain of Salimesophilobacter vulgaris is Zn2T ( = DSM 24770T  = JCM 17796T).

Blautia liquoris sp. nov., isolated from the mud in a fermentation cellar used for the production of Chinese strong-flavour liquor

2021 ◽  
Vol 71 (10) ◽  
Author(s):  
Ling-Fei Lu ◽  
Yang Yang ◽  
Li-Juan Chai ◽  
Zhen-Ming Lu ◽  
Li-Qiang Zhang ◽  
...  
Keyword(s):  
Type Species ◽  
Phylogenetic Trees ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Carbon Sources ◽  
Rrna Gene ◽  
Strictly Anaerobic ◽  
Content Type ◽  
Link Type ◽  
The Family

A novel Gram-positive, non-motile, non-flagellated, strictly anaerobic, non-spore-forming and dumbbell-shaped, coccoid- or chain-shaped bacterium, designated strain LZLJ-3T, was isolated from a mud fermentation cellar which has been used for the production of Chinese strong-flavour liquor for over 100 years. Strain LZLJ-3T grew at 20–40 °C (optimum, 37 °C), at pH 6.0–8.0 (optimum, pH 8.0) and with NaCl concentrations up to 1 % (w/v; optimum, 0 %). Phylogenetic trees established based on 16S rRNA gene sequences showed that strain LZLJ-3T belonged to the genus Blautia of the family Lachnospiraceae, with the highest sequence similarity to Blautia stercoris GAM6-1T (91.7 %) and Blautia faecicola KGMB01111T (91.7 %). Comparative genome analysis showed that the orthologous average nucleotide identity (OrthoANI) and genome-to-genome distance (GGD) values between strain LZLJ-3T and B. stercoris GAM6-1T were respectively 69.1 and 22.9 %; the OrthoANI and GGD values between strain LZLJ-3T and B. faecicola KGMB01111T were respectively 70.86 and 36 % . The DNA G+C content of strain LZLJ-3T genome was 42.1 mol%. The predominant celluar fatty acids (>10 %) of strain LZLJ-3T were C16 : 0 FAME (27.9 %), C14 : 0 FAME (17.6 %) and C16 : 0 DMA (13.0 %). Arabinose, glucose and maltose could be utilized by strain LZLJ-3T as sole carbon sources for growth, with weak utilization of raffinose and l-fucose. API ZYM analysis gave positive reactions with α-galactosidase, β-galactosidase, α-glucosidase and β-glucosidase. The major end product of glucose fermentation was acetic acid. Based on the results of phenotypic, genotypic and phylogenetic analyses, strain LZLJ-3T is considered to represent a novel species of Blautia , for which the name Blautia liquoris sp. nov. is proposed. The type strain is LZLJ-3T (=KCTC 25163T=CGMCC 1.5299T=JCM 34225T).

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).

Limimonas halophila gen. nov., sp. nov., an extremely halophilic bacterium in the family Rhodospirillaceae

2013 ◽  
Vol 63 (Pt_4) ◽  
pp. 1562-1567 ◽  
Author(s):  
Mohammad Ali Amoozegar ◽  
Ali Makhdoumi-Kakhki ◽  
Mohadaseh Ramezani ◽  
Mahdi Moshtaghi Nikou ◽  
Seyed Abolhassan Shahzadeh Fazeli ◽  
...  
Keyword(s):  
Type Species ◽  
Sequence Similarity ◽  
Halophilic Bacterium ◽  
Hypersaline Lake ◽  
Rrna Gene ◽  
Strictly Aerobic ◽  
The Novel ◽  
Content Type ◽  
Link Type ◽  
The Family

A novel, Gram-staining-negative, non-pigmented, rod-shaped, strictly aerobic, extremely halophilic bacterium, designated strain IA16T, was isolated from the mud of the hypersaline Lake Aran-Bidgol, in Iran. Cells of strain IA16T were not motile. Growth occurred with 2.5–5.2 M NaCl (optimum 3.4 M), at pH 6.0–8.0 (optimum pH 7.0) and at 30–50 °C (optimum 40 °C). Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain IA16T belonged in the family Rhodospirillaceae and that its closest relatives were Rhodovibrio sodomensis DSM 9895T (91.6 % sequence similarity), Rhodovibrio salinarum NCIMB 2243T (91.2 %), Pelagibius litoralis CL-UU02T (88.9 %) and Fodinicurvata sediminis YIM D82T (88.7 %). The novel strain’s major cellular fatty acids were C19 : 0 cyclo ω7c and C18 : 0 and its polar lipid profile comprised phosphatidylglycerol, diphosphatidylglycerol, four unidentified phospholipids, three unidentified aminolipids and two other unidentified lipids. The cells of strain IA16T contained the ubiquinone Q-10. The G+C content of the novel strain’s genomic DNA was 67.0 mol%. The physiological, biochemical and phylogenetic differences between strain IA16T and other previously described taxa indicate that the strain represents a novel species in a new genus within the family Rhodospirillaceae , for which the name Limimonas halophila gen. nov., sp. nov. is proposed. The type strain of Limimonas halophila is IA16T ( = IBRC-M 10018T  = DSM 25584T).

scholarly journals Gluconobacter cerevisiae sp. nov., isolated from the brewery environment

2014 ◽  
Vol 64 (Pt_4) ◽  
pp. 1134-1141 ◽  
Author(s):  
Freek Spitaels ◽  
Anneleen Wieme ◽  
Tom Balzarini ◽  
Ilse Cleenwerck ◽  
Anita Van Landschoot ◽  
...  
Keyword(s):  
Gluconic Acid ◽  
Type Species ◽  
Sequence Similarity ◽  
Carbon Sources ◽  
Rrna Gene ◽  
Environment Analysis ◽  
Content Type ◽  
Link Type ◽  
Yeast Extract Medium ◽  
Type Strains

Three strains, LMG 27748T, LMG 27749 and LMG 27882 with identical MALDI-TOF mass spectra were isolated from samples taken from the brewery environment. Analysis of the 16S rRNA gene sequence of strain LMG 27748T revealed that the taxon it represents was closely related to type strains of the species Gluconobacter albidus (100 % sequence similarity), Gluconobacter kondonii (99.9 %), Gluconobacter sphaericus (99.9 %) and Gluconobacter kanchanaburiensis (99.5 %). DNA–DNA hybridization experiments on the type strains of these species revealed moderate DNA relatedness values (39–65 %). The three strains used d-fructose, d-sorbitol, meso-erythritol, glycerol, l-sorbose, ethanol (weakly), sucrose and raffinose as a sole carbon source for growth (weak growth on the latter two carbon sources was obtained for strains LMG 27748T and LMG 27882). The strains were unable to grow on glucose-yeast extract medium at 37 °C. They produced acid from meso-erythritol and sucrose, but not from raffinose. d-Gluconic acid, 2-keto-d-gluconic acid and 5-keto-d-gluconic acid were produced from d-glucose, but not 2,5-diketo-d-gluconic acid. These genotypic and phenotypic characteristics distinguish strains LMG 27748T, LMG 27749 and LMG 27882 from species of the genus Gluconobacter with validly published names and, therefore, we propose classifying them formally as representatives of a novel species, Gluconobacter cerevisiae sp. nov., with LMG 27748T ( = DSM 27644T) as the type strain.

Asticcacaulis solisilvae sp. nov., isolated from forest soil

2013 ◽  
Vol 63 (Pt_10) ◽  
pp. 3829-3834 ◽  
Author(s):  
Seil Kim ◽  
Gyeongtaek Gong ◽  
Tai Hyun Park ◽  
Youngsoon Um
Keyword(s):  
Forest Soil ◽  
Dna Hybridization ◽  
Type Species ◽  
Sequence Similarity ◽  
Carbon Sources ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type ◽  
Soil Isolate ◽  
Prosthecate Bacterium

An obligately aerobic, chemoheterotrophic, mesophilic prosthecate bacterium, designated strain CGM1-3ENT, was isolated from the enrichment cultures of forest soil from Cheonggyesan Mountain, Republic of Korea. Cells were Gram-reaction-negative, motile rods (1.3–2.4 µm long by 0.30–0.75 µm wide) with single flagella. The strain grew at 10–37 °C (optimum 25–30 °C) and at pH 4.5–9.5 (optimum 5.0–7.0). The major cellular fatty acids were C16 : 0, C18 : 1ω7c 11-methyl, C12 : 1 3-OH and summed feature 8 (comprising C18 : 1ω7c/C18 : 1ω6c). The genomic DNA G+C content of strain CGM1-3ENT was 63.7 mol%. The closest phylogenetic neighbour to strain CGM1-3ENT was identified as Asticcacaulis biprosthecium DSM 4723T (97.2 % 16S rRNA gene sequence similarity) and the DNA–DNA hybridization value between strain CGM1-3ENT and A. biprosthecium DSM 4723T was less than 24.5 %. Strain CGM1-3ENT used d-glucose, d-fructose, sucrose, maltose, trehalose, d-mannose, d-mannitol, d-sorbitol, d-galactose, cellobiose, lactose, raffinose, fumarate, pyruvate, dl-alanine and glycerol as carbon sources. Based on data from the present polyphasic study, the forest soil isolate CGM1-3ENT is considered to represent a novel species of the genus Asticcacaulis , for which the name Asticcacaulis solisilvae sp. nov. is proposed. The type strain is CGM1-3ENT ( = AIM0088T = KCTC 32102T = JCM 18544T).

Caloramator quimbayensis sp. nov., an anaerobic, moderately thermophilic bacterium isolated from a terrestrial hot spring

2013 ◽  
Vol 63 (Pt_4) ◽  
pp. 1396-1402 ◽  
Author(s):  
Carolina Rubiano-Labrador ◽  
Sandra Baena ◽  
Carolina Díaz-Cárdenas ◽  
Bharat K. C. Patel
Keyword(s):  
Type Species ◽  
Hot Spring ◽  
Sequence Similarity ◽  
Thermophilic Bacterium ◽  
Rrna Gene ◽  
Glucose Fermentation ◽  
Content Type ◽  
Moderately Thermophilic ◽  
Link Type ◽  
Terrestrial Hot Spring

An anaerobic, moderately thermophilic, terminal-spore-forming bacterium, designated strain USBA AT, was isolated from a terrestrial hot spring located at an altitude of 2683 m in the Andean region of Colombia (04° 50′ 14.0″ N 75° 32′ 53.4″ W). Cells of strain USBA AT were Gram-stain-positive, straight to slightly curved rods (0.9×2.5 µm), that were arranged singly or in pairs, and were motile by means of flagella. Growth occurred at 37–55 °C and pH 6.0–8.0, with a doubling time of 2 h under the optimal conditions (50 °C and pH 7.0). Glucose fermentation in strain USBA AT required yeast extract or peptone (each at 0.2 %, w/v). The novel strain fermented sugars, amino acids, Casamino acids, propanol, propionate, starch and dextrin, but no growth was observed on galactose, lactose, xylose, histidine, serine, threonine, benzoate, butyrate, lactate, pyruvate, succinate, methanol, ethanol, glycerol, casein, gelatin or xylan. The end products of glucose fermentation were formate, acetate, ethanol and lactate. Strain USBA AT did not grow autotrophically (with CO2 as carbon source and H2 as electron donor) and did not reduce thiosulfate, sulfate, elemental sulfur, sulfite, vanadium (V) or Fe (III) citrate. Growth of strain USBA AT was inhibited by ampicillin, chloramphenicol, kanamycin, penicillin and streptomycin (each at 10 µg ml−1). The predominant fatty acids were iso-C15 : 0, C16 : 0 and iso-C17 : 0 and the genomic DNA G+C content was 32.6 mol%. 16S rRNA gene sequence analysis indicated that strain USBA AT belonged in the phylum Firmicutes and that its closest relative was Caloramator viterbiensis JW/MS-VS5T (95.0 % sequence similarity). A DNA–DNA relatedness value of only 30 % was recorded in hybridization experiments between strain USBA AT and Caloramator viterbiensis DSM 13723T. Based on the phenotypic, chemotaxonomic and phylogenetic evidence and the results of the DNA–DNA hybridization experiments, strain USBA AT represents a novel species of the genus Caloramator , for which the name Caloramator quimbayensis sp. nov. is proposed. The type strain is USBA AT ( = CMPUJ U833T  = DSM 22093T).

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