scholarly journals Vallitalea pronyensis sp. nov., isolated from a marine alkaline hydrothermal chimney

2014 ◽  
Vol 64 (Pt_4) ◽  
pp. 1160-1165 ◽  
Author(s):  
Fatma Ben Aissa ◽  
Anne Postec ◽  
Gaël Erauso ◽  
Claude Payri ◽  
Bernard Pelletier ◽  
...  

A novel thermotolerant, anaerobic, Gram-stain-positive, spore-forming bacterium was isolated from a hydrothermal chimney in Prony Bay, New Caledonia. This strain, designated FatNI3T, grew at 15–55 °C (optimum 30 °C) and at pH 5.8–8.9 (optimum 7.7). It was slightly halophilic, requiring at least 0.5 % NaCl for growth (optimum 2.5–3.0 %), and was able to grow at up to 6 % NaCl. Sulfate, thiosulfate, elemental sulfur, sulfite, nitrate and nitrite were not used as terminal electron acceptors. Growth of strain FatNI3T was inhibited in the presence of sulfite (2 mM) or nitrite (2 mM). Strain FatNI3T fermented cellobiose, glucose, mannose, maltose, sucrose, galactose, lactose, ribose, fructose, rhamnose, raffinose, xylose, yeast extract, peptone and biotrypticase. The main fermentation products from glucose metabolism were acetate, ethanol, H2 and CO2. The predominant cellular fatty acids were iso-C15 : 0 and anteiso-C15 : 0. The main polar lipids consisted of diphosphatidylglycerol, phosphatidylglycerol, and unknown glycolipids and phospholipids. The G+C content of the genomic DNA was 36.6 mol%. On the basis of phylogenetic and physiological properties, strain FatNI3T ( = DSM 25904 = JCM 18391) belonging to the phylum Firmicutes , class Clostridia , order Clostridiales , is proposed as the type strain of a novel species of the genus Vallitalea , for which the name Vallitalea pronyensis sp. nov. is proposed.

Author(s):  
Magdalena Ksiezarek ◽  
Teresa Gonçalves Ribeiro ◽  
Joana Rocha ◽  
Filipa Grosso ◽  
Svetlana Ugarcina Perovic ◽  
...  

Two Gram-stain-positive strains, c9Ua_26_MT and c11Ua_112_MT, were isolated from voided urine samples from two healthy women. Comparative 16S rRNA gene sequences demonstrated that these novel strains were members of the genus Limosilactobacillus . Phylogenetic analysis based on pheS gene sequences and core genomes showed that each strain formed a separated branch and are closest to Limosilactobacillus vaginalis DSM 5837T. The average nucleotide identity (ANI) and Genome-to-Genome Distance Calculator (GGDC) values between c9Ua_26_MT and the closest relative DSM 5837T were 90.7 and 42.9 %, respectively. The ANI and GGDC values between c11Ua_112_MT and the closest relative DSM 5837T were 91.2 and 45.0 %, and those among the strains were 92.9% and 51,0 %, respectively. The major fatty acids were C12 : 0 (40.2 %), C16 : 0 (26.7 %) and C18 : 1 ω9c (17.7 %) for strain c9Ua_26_MT, and C18 : 1 ω9c (38.0 %), C16 : 0 (33.3 %) and C12 : 0 (17.6 %) for strain c11Ua_112_MT. The genomic DNA G+C content of strains c9Ua_26_MT and c11Ua_112_MT was 39.9 and 39.7 mol%, respectively. On the basis of the data presented here, strains c9Ua_26_MT and c11Ua_112_MT represent two novel species of the genus Limosilactobacillus , for which the names Limosilactobacillus urinaemulieris sp. nov. (c9Ua_26_MT=CECT 30144T=LMG 31899T) and Limosilactobacillus portuensis sp. nov. (c11Ua_112_MT=CECT 30145T=LMG 31898T) are proposed.


Author(s):  
Lei-Lei Yang ◽  
Hong-Can Liu ◽  
Qing Liu ◽  
Yu-Hua Xin

Two Gram-stain-positive, aerobic, rod-shaped, pink and light pink colony-forming bacteria, designated as Hz2T and MDT2-14T, respectively, were isolated from glacier cryoconite samples. Comparisons based on 16S rRNA gene sequences showed that strains Hz2T and MDT2-14T take Arthrobacter bussei KR32T and Arthrobacter zhaoguopingii J391T as their closest neighbours, respectively. The average nucleotide identity values between the two novel strains and their closest relatives were 83.56 and 93.06 %, respectively. The two strains contain MK-9(H2) as their predominant menaquinone. The polar lipids of both strains were phosphatidylglycerol, diphosphatidylglycerol, phosphatidylinositol and an unidentified glycolipid. The major fatty acids of strain Hz2T were anteiso-C15 : 0, summed feature 3 (comprising C16 : 1  ω7c and/or C16 : 1  ω6c) and iso-C15 : 0, while the major fatty acids of strain MDT2-14T were anteiso-C15 : 0 and anteiso-C17 : 0. Based on these data, we propose two novel species, Arthrobacter cheniae sp. nov. (Hz2T = CGMCC 1.9262T=NBRC 113086T) and Arthrobacter frigidicola sp. nov. (MDT2-14T=CGMCC 1.9882T=NBRC 113089T).


2014 ◽  
Vol 64 (Pt_1) ◽  
pp. 66-71 ◽  
Author(s):  
Jin-Jin Liu ◽  
Xin-Qi Zhang ◽  
Fang-Tao Chi ◽  
Jie Pan ◽  
Cong Sun ◽  
...  

A Gram-stain-negative, non-motile and aerobic bacterium, designated CF17T, was isolated from coastal planktonic seaweeds, East China Sea. The isolate grew at 18–37 °C (optimum 25–28 °C), pH 6.5–9.0 (optimum 7.0–8.0) and with 0–5 % NaCl (optimum 1–2 %, w/v) and 0.5–10 % sea salts (optimum 2–3 %, w/v). Growth of strain CF17T could be stimulated prominently by supplementing the growth medium with the autoclaved supernatant of a culture of strain CF5, which was isolated from the same sample along with strain CF17T. The cell morphology of strain CF17T was a bean-shaped rod consisting of a swollen end and a long prostheca. The phylogenetic analysis of 16S rRNA gene sequences indicated that strain CF17T clustered with Gemmobacter nectariphilus DSM 15620T within the genus Gemmobacter . The DNA G+C content of strain CF17T was 61.4 mol%. The respiratory quinone was ubiquinone Q-10. The major fatty acids included C18 : 1ω7c and C18 : 0. The polar lipids of strain CF17T consisted of phosphatidylethanolamine, phosphatidylglycerol, phosphatidylcholine, two uncharacterized phospholipids, one uncharacterized aminolipid, three uncharacterized glycolipids and one uncharacterized lipid. On the basis of phenotypic, phylogenetic and chemotaxonomic data, strain CF17T ( = CGMCC 1.11024T = JCM 18498T) is considered to represent a novel species of the genus Gemmobacter , for which the name Gemmobacter megaterium sp. nov. is proposed.


2014 ◽  
Vol 64 (Pt_12) ◽  
pp. 4038-4042 ◽  
Author(s):  
Keun Sik Baik ◽  
Mi Sun Kim ◽  
Ji Hee Lee ◽  
Sang Suk Lee ◽  
Wan-Taek Im ◽  
...  

A non-motile and rod-shaped bacterium, designated strain 02SUJ3T, was isolated from freshwater collected from the Juam Reservoir (Republic of Korea). Cells were Gram-stain-negative, aerobic, oxidase-negative and catalase-positive. The major fatty acids were iso-C15 : 0, iso-C15 : 1 G and iso-C17 : 0 3-OH. The strain contained MK-7 as the major isoprenoid quinone. The main polar lipid was phosphatidylethanolamine. The DNA G+C content was 46.4 mol%. A phylogenetic tree based on 16S rRNA gene sequences showed that strain 02SUJ3T forms an independent lineage within the genus Flavisolibacter with low sequence similarity to Flavisolibacter ginsengiterrae Gsoil 492T and Flavisolibacter ginsengisoli Gsoil 643T (95.7 %). Phenotypic characteristics distinguished strain 02SUJ3T from members of the genus Flavisolibacter . On the basis of the evidence presented in this study, strain 02SUJ3T is considered to represent a novel species, for which the name Flavisolibacter rigui sp. nov. is proposed. The type strain is 02SUJ3T ( = JCM 17515T = KCTC 23328T). An emended description of the genus Flavisolibacter is also provided.


2014 ◽  
Vol 64 (Pt_11) ◽  
pp. 3631-3635 ◽  
Author(s):  
Liang Wang ◽  
Shixue Zheng ◽  
Dan Wang ◽  
Lu Wang ◽  
Gejiao Wang

Strain GZ436T was Gram-stain-negative, aerobic, non-motile, rod-shaped and isolated from the soil of a coal mine. 16S rRNA gene phylogenetic analysis showed that this strain clustered with Thermomonas brevis LMG 21746T (97.5 %), Thermomonas haemolytica A50-7-3T (96.3 %), Thermomonas koreensis KCTC 12540T (96.4 %), Thermomonas hydrothermalis SGM-6T (95.5 %) and Thermomonas fusca LMG 21737T (95.1 %). The major isoprenoid quinone was Q-8. The DNA G+C content was 67 mol%. Strain GZ436T contained phosphatidylglycerol, diphosphatidylglycerol, phosphatidylethanolamine, an unknown aminophospholipid, an unknown phospholipid and an unknown lipid as the major polar lipids. The predominant cellular fatty acids (>5 %) were iso-C15 : 0, iso-C11 : 0, iso-C11 : 0 3-OH, iso-C17 : 1ω9c, C16 : 0 and summed feature 3. The DNA–DNA relatedness value between strain GZ436T and T. brevis LMG 21746T was 54±0.4 %. According to phenotypic and phylogenetic characteristics, strain GZ436T represents a novel species of the genus Thermomonas , for which the name Thermomonas carbonis sp. nov. is proposed. The type strain is GZ436T ( = CCTCC AB 2013364T = KCTC 42013T).


2014 ◽  
Vol 64 (Pt_9) ◽  
pp. 2956-2961 ◽  
Author(s):  
Ying-jie Yang ◽  
Ning Zhang ◽  
Shi-qi Ji ◽  
Xin Lan ◽  
Kun-di Zhang ◽  
...  

A Gram-stain-negative, facultatively anaerobic, non-motile and coccoid- to short-rod-shaped bacterium, designated strain Dys-CH1T, was isolated from the hindgut of a fungus-growing termite Macrotermes barneyi. The optimal pH and cultivation temperature of strain Dys-CH1T were pH 7.2–7.6 and 35–37 °C, respectively. Sequence analysis of 16S rRNA gene showed that Dys-CH1T shared 94.6 % and 90.9 % similarity with Dysgonomonas capnocytophagoides JCM 16697T and Dysgonomonas gadei CCUG 42882T, respectively. Strain Dys-CH1T was found to be different from other species of the genus Dysgonomonas with validly published names with respect to taxonomically important traits, including habitat, biochemical tests, DNA G+C content, bile resistance, fatty-acid composition and susceptibility to antimicrobial agents. On the basis of these characteristics, strain Dys-CH1T represents a novel species of the genus Dysgonomonas for which the name Dysgonomonas macrotermitis sp. nov. is proposed. The type strain is Dys-CH1T ( = JCM 19375T = DSM 27370T).


2013 ◽  
Vol 63 (Pt_6) ◽  
pp. 1947-1950 ◽  
Author(s):  
Belkis Fraj ◽  
Wajdi Ben Hania ◽  
Anne Postec ◽  
Moktar Hamdi ◽  
Bernard Ollivier ◽  
...  

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).


2012 ◽  
Vol 62 (Pt_7) ◽  
pp. 1692-1697 ◽  
Author(s):  
Yasuko Yoneda ◽  
Takashi Yoshida ◽  
Satoshi Kawaichi ◽  
Takashi Daifuku ◽  
Keiji Takabe ◽  
...  

A novel anaerobic, Fe(III)-reducing, hydrogenogenic, carboxydotrophic bacterium, designated strain Ug1T, was isolated from a volcanic acidic hot spring in southern Kyushu Island, Japan. Cells of the isolate were rod-shaped (1.0–3.0 µm long) and motile due to peritrichous flagella. Strain Ug1T grew chemolithoautotrophically on CO (100 % in the gas phase) with reduction of ferric citrate, amorphous iron (III) oxide, 9,10-anthraquinone 2,6-disulfonate, thiosulfate or elemental sulfur. No carboxydotrophic growth occurred with sulfate, sulfite, nitrate or fumarate as electron acceptor. During growth on CO, H2 and CO2 were produced. Growth occurred on molecular hydrogen as an energy source and carbon dioxide as a sole carbon source. Growth was observed on various organic compounds under an N2 atmosphere with the reduction of ferric iron. The temperature range for carboxydotrophic growth was 50–70 °C, with an optimum at 65 °C. The pH25 °C range for growth was 4.6–8.6, with an optimum between 6.0 and 6.5. The doubling time under optimum conditions using CO with ferric citrate was 1.5 h. The DNA G+C content was 42.2 mol%. Analysis of 16S rRNA gene sequences demonstrated that this strain belongs to the thermophilic carboxydotrophic bacterial genus Carboxydothermus , with sequence similarities of 94.1–96.6 % to members of this genus. The isolate can be distinguished from other members of the genus Carboxydothermus by its ability to grow with elemental sulfur or thiosulfate coupled to CO oxidation. On the basis of phylogenetic analysis and unique physiological features, the isolate represents a novel species of the genus Carboxydothermus for which the name Carboxydothermus pertinax sp. nov. is proposed; the type strain of the novel species is Ug1T ( = DSM 23698T = NBRC 107576T).


2020 ◽  
Vol 70 (5) ◽  
pp. 3241-3246 ◽  
Author(s):  
Yuan Zhou ◽  
Shengxiang Pei ◽  
Fuquan Xie ◽  
Li Gu ◽  
Gaiyun Zhang

A novel Gram-stain-positive, aerobic, non-motile actinobacterium, designated strain E2AT, was isolated from a coral sample and examined using a polyphasic taxonomic approach. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain E2AT formed a distinct phyletic lineage in the genus Saccharopolyspora and was closely related to S. cavernae CCTCC AA 2012022T (96.4 %) and S. lacisalsi CCTCC AA 2010012T (95.3 %). The isolate grew at 15–35 °C, pH 5–12 and in the presence of 1–16 % (w/v) NaCl. The cell-wall diamino acid was meso-DAP. Major fatty acids identified were iso-C15 : 0, iso-C16 : 0 and C17 : 1  ω8c. The predominant menaquinone was MK-9(H4). The polar lipids detected were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylcholine, phosphatidylethanolamine, phosphatidylmethylethanolamine, one unidentified glycolipid, one unidentified phospholipid and one unidentified aminolipid. The genomic DNA G+C content was 68.6 mol%. Based on the data from the polyphasic taxonomic study reported here, strain E2AT represents a novel species within the genus Saccharopolyspora , for which the name Saccharopolyspora coralli sp. nov. is proposed. The type strain is E2AT=(JCM 31844T=MCCC 1A17150T).


2014 ◽  
Vol 64 (Pt_4) ◽  
pp. 1218-1222 ◽  
Author(s):  
Soo-Jin Kim ◽  
Ji-Young Moon ◽  
Hang-Yeon Weon ◽  
Jae-Hyung Ahn ◽  
Wen-Ming Chen ◽  
...  

A Gram-stain-negative, aerobic, motile, rod-shaped bacterium, designated strain KIS83-12T, was isolated from soil of Gaui island in the Taean region of South Korea. The strain grew at 15–33 °C (optimum, 28 °C), at pH 5.0–8.0 (optimum, pH 7.0). Growth did not occur in the presence of NaCl. The strain was catalase-negative and oxidase-positive. Phylogenetic analysis based on 16S rRNA gene sequences showed that KIS83-12T was most closely related to Solimonas soli DCY12T (96.9 %), Solimonas variicoloris MN28T (96.5 %), Solimonas flava CW-KD 4T (96.5 %) and Solimonas aquatica NAA16T (96.0 %), and formed a robust phyletic lineage with members of the genus Solimonas . The main isoprenoid quinone was Q-8. Major polar lipids included phosphatidylethanolamine, phosphatidylglycerol and diphosphatidylglycerol. Fatty acids present in large and moderate amounts (>5.0 %) were summed feature 8 (C18 : 1ω7c and/or C18 : 1ω6c), C16 : 0, C16 : 1ω5c, summed feature 2 (iso-C16 : 1 I and/or C14 : 0 3-OH) and C12 : 0. The DNA G+C content was 67.9 mol%. On the basis of the taxonomic data obtained in this study, KIS83-12T represents a novel species of the genus Solimonas , for which the name Solimonas terrae sp. nov. is proposed, with KIS83-12T ( = KACC 16967T = DSM 27281T) as the type strain.


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