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International Journal of Systematic and Evolutionary Microbiology

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https://www.readbyqxmd.com/read/30234478/kyrpidia-spormannii-sp-nov-a-thermophilic-hydrogen-oxidizing-facultative-autotroph-isolated-from-hydrothermal-systems-at-s%C3%A3-o-miguel-island-and-emended-description-of-the-genus-kyrpidia
#1
Johannes Eberhard Reiner, Tobias Jung, Christian Jonas Lapp, Marvin Siedler, Boyke Bunk, Jörg Overmann, Johannes Gescher
A Gram-stain-positive, rod-shaped, non-motile, spore-forming bacterium, strain EA-1T , was isolated from hydrothermal sediment samples from the Azores (São Miguel, Portugal). 16S rRNA gene sequence analysis of the isolated bacterium revealed a phylogenetic affiliation with the genus Kyrpidia. The sequence similarity of the five 16S rRNA gene copies to its closest relative, Kyrpidia tusciae, ranged from 97.79 to 97.85 %. The in silico estimate of DNA-DNA hybridization was 56.0 %. The dominant fatty acids of the novel isolate were anteiso-C17 : 0 (49...
September 20, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/30234476/a-polyphasic-approach-leads-to-seven-new-species-of-the-cellulose-decomposing-genus-sorangium-sorangium-ambruticinum-sp-nov-sorangium-arenae-sp-nov-sorangium-bulgaricum-sp-nov-sorangium-dawidii-sp-nov-sorangium-kenyense-sp-nov-sorangium-orientale-sp-nov-and
#2
Kathrin I Mohr, Corinna Wolf, Ulrich Nübel, Anna K Szafrańska, Matthias Steglich, Fabienne Hennessen, Katja Gemperlein, Peter Kämpfer, Karin Martin, Rolf Müller, Joachim Wink
Seventy-three strains of Sorangium have been isolated from soil samples collected from all over the world. The strains were characterized using a polyphasic approach and phenotypic, genotypic and chemotype analyses clarified their taxonomic relationships. 16S rRNA, xynB1, groEL1, matrix-assisted laser desorption/ioniziation time-of-flight mass spectrometry and API-ZYM analyses were conducted. In addition, from selected representative strains, fatty acids, quinones and phospholipids were analysed. In silico DNA-DNA hybridization and DNA-DNA hybridization against the current type species of Sorangiumcellulosum strain Soce 1871T (DSM 14627T ) completed the analyses...
September 20, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/30231959/lentzea-terrae-sp-nov-isolated-from-soil-and-an-emended-description-of-lentzea-soli
#3
Dongmei Li, Hao Jiang, Liyuan Han, Yuanyuan Li, Junwei Zhao, Shanwen Jiang, Xiangjing Wang, Wensheng Xiang
A novel actinobacterium, designated strain NEAU-LZS 42T , was isolated from soil collected from Mount Song, Henan Province, China, and characterized using a polyphasic approach. Phylogenetic analysis based on 16S rRNA gene sequences indicated that the organism should be assigned to the genus Lentzea and had the closest relationship with Lentzea soli NEAU-LZC 7T (99.1 % similarity) and Lentzea cavernae SYSU K10001T (98.2 %). The major menaquinones were identified as MK-9(H4) and MK-9(H2). The phospholipid profile was found to contain diphosphatidylglycerol, phosphatidylethanolamine, hydroxy-phosphatidylethanolamine, phosphatidylinositol, phosphatidylinositol mannoside, glycophospholipid and three unidentified lipids...
September 19, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/30231958/marinobacter-bohaiensis-sp-nov-a-moderate-halophile-isolated-from-benthic-sediment-of-the-bohai-sea
#4
Shanshan Xu, Dandan Wang, Yuxi Wei, Qiu Cui, Wenli Li
A Gram-stain-negative, motile, aerobic and rod-shaped bacterial strain, designated T17T , was isolated from benthic sediment sampled at Jiaozhou Bay, Bohai Sea, China, and its taxonomic position was investigated. The 16S rRNA gene sequence of strain T17T exhibited the highest similarity values to those of the type strain Marinobacter lacisalsi FP2.5 (96.2 %) and Marinobacter koreensis DD-M3T (96.2 %). Strain T17T grew optimally at 35 °C, pH 7.0-8.0 and in the presence of 6.0-10.0 % (w/v) NaCl. The predominant ubiquinone in strain T17T was identified as Q-9...
September 19, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/30231957/reichenbachiella-versicolor-sp-nov-isolated-from-red-alga
#5
Ming-Jing Shi, Chong Wang, Zuan-Yan Liu, Lai-Xiang Jiang, Zong-Jun Du
A Gram-stain-negative, strictly aerobic, non-flagellated, rod-shaped bacterial strain, designated DC003T , was isolated from the alga Gracilariablodgettii of the phylum Rhodophyta collected from the coast of Lingshui county, Hainan, China. The strain grew optimally at 28 °C, pH 7.0-7.5 and in the presence of 2.0-3.0 % (w/v) NaCl. Phylogenetic analysis based on 16S rRNA gene sequences revealed strain DC003T to be within the genus Reichenbachiella, and most closely related to Reichenbachiella agariperforans JCM11238 (94...
September 19, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/30231956/a-definition-of-the-mycobacterium-avium-complex-for-taxonomical-and-clinical-purposes-a-review
#6
Jakko van Ingen, Christine Y Turenne, Enrico Tortoli, Richard J Wallace, Barbara A Brown-Elliott
Nontuberculous mycobacteria, particularly the Mycobacterium avium complex (MAC) bacteria, are increasingly recognized as opportunistic pathogens of humans. As a result, studies on antibiotic treatment and taxonomy of the MAC are intensifying, but an updated definition of what constitutes the MAC, either for taxonomical studies or for clinical purposes, is lacking. On the basis of literature review and phylogenetic analyses, we propose to define the MAC as a grouping of slow-growing mycobacteria that show corresponding values in at least two of the following targets against either M...
September 19, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/30230442/brachybacterium-endophyticum-sp-nov-a-novel-endophytic-actinobacterium-isolated-from-bark-of-scutellaria-baicalensis-georgi
#7
Li Tuo, Xiao-Rui Yan, Fei-Na Li, Yu-Xin Bao, Hui-Chang Shi, Hong-Ying Li, Cheng-Hang Sun
A Gram-positive, aerobic, coccus-shaped, non-spore-forming actinobacterium, designated strain M1HQ-2T , was isolated from a surface-sterilized bark of Scutellaria baicalensis Georgi collected from Guizhou, China and tested using a polyphasic approach to determine its taxonomic position. Strain M1HQ-2T grew at 4-37 °C (optimum, 30 °C), pH 5.0-11.0 (pH 8.0) and in the presence of 0-15 % (w/v) NaCl (1-3 %). Substrate mycelia and aerial mycelia were not formed, and diffusible pigments were not observed on any media tested...
September 19, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/30230441/marinifilum-breve-sp-nov-a-marine-bacterium-isolated-from-the-yongle-blue-hole-in-the-south-china-sea-and-emended-description-of-the-genus-marinifilum
#8
Tianyu Fu, Chao Jia, Liang Fu, Shun Zhou, Peng Yao, Rui Du, Hao Sun, Zuosheng Yang, Xiaochong Shi, Xiao-Hua Zhang
A Gram-stain-negative, facultative anaerobic, non-motile, short-clavate and non-flagellated marine bacterium strain, designated JC075T , was isolated from the Yongle Blue Hole in the South China Sea. Based on the 16S rRNA gene sequence, strain JC075T was found to be closely related to Marinifilumalbidiflavum FB208T (97.10 %), Marinifilumflexuosum DSM 21950T (96.43 %) and Marinifilum fragile JCM 15579T (95.58 %), with less than 90.24 % sequence similarity to other genera of the family Marinifilaceae...
September 19, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/30226464/lactobacillus-paragasseri-sp-nov-a-sister-taxon-of-lactobacillus-gasseri-based-on-whole-genome-sequence-analyses
#9
Yasuhiro Tanizawa, Ipputa Tada, Hisami Kobayashi, Akihito Endo, Shintaro Maeno, Atsushi Toyoda, Masanori Arita, Yasukazu Nakamura, Mitsuo Sakamoto, Moriya Ohkuma, Masanori Tohno
Three strains, JCM 5343T , JCM 5344 and JCM 1130, currently identified as Lactobacillus gasseri, were investigated using a polyphasic taxonomic approach. Although these strains shared high 16S rRNA gene sequence similarities with L. gasseri ATCC 33323T (99.9 %), they formed a clade clearly distinct from ATCC 33323T based on whole-genome relatedness. The average nucleotide identity and in silico DNA-DNA hybridization values of these three strains compared to L. gasseri ATCC 33323T were 93.4-93.7 and 53.1-54...
September 18, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/30226463/salibacterium-nitratireducens-sp-nov-a-haloalkalitolerant-bacterium-isolated-from-a-water-sample-from-sambhar-salt-lake-india
#10
Harjodh Singh, Manpreet Kaur, Shweta Singh, Sunita Mishra, Shekhar Kumar, Venkata Ramana Vemuluri, Naga Radha Srinivas Tanuku, Anil Kumar Pinnaka
A strictly aerobic, haloalkali-tolerant, Gram-stain-positive, non-motile, rod-shaped bacterium, designated strain SMB4T , was isolated from a water sample collected from Sambhar salt lake, Rajasthan, India. Growth occurred at 25-50 °C, 4-12 % (w/v) NaCl and pH of 5-9. Strain SMB4T was positive for β-galactosidase, oxidase, catalase and urease activities. The fatty acids were dominated by branched forms of fatty acids with iso- and anteiso-saturated fatty acids, with a high abundance of anteiso-C15 : 0, anteiso-C17 : 0 and C18 : 0...
September 18, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/30226461/romboutsia-hominis-sp-nov-the-first-human-gut-derived-representative-of-the-genus-romboutsia-isolated-from-ileostoma-effluent
#11
Jacoline Gerritsen, Alexander Umanets, Ivelina Staneva, Bastian Hornung, Jarmo Ritari, Lars Paulin, Ger T Rijkers, Willem M de Vos, Hauke Smidt
A Gram-stain-positive, motile, rod-shaped, obligately anaerobic bacterium, designated FRIFIT , was isolated from human ileostoma effluent and characterized. On the basis of 16S rRNA gene sequence similarity, strain FRIFIT was most closely related to the species Romboutsia ilealis CRIBT (97.7 %), Romboutsia lituseburensis DSM 797T (97.6 %) and Romboutsia sedimentorum LAM201T (96.6 %). The level of DNA-DNA relatedness between strain FRIFIT and R. ilealis CRIBT was 13.9±3.3 % based on DNA-DNA hybridization...
September 18, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/30222099/geobacillus-yumthangensis-sp-nov-a-thermophilic-bacterium-isolated-from-a-north-east-indian-hot-spring
#12
Ishfaq Nabi Najar, Mingma Thundu Sherpa, Sayak Das, Kamalesh Verma, Vikash Kumar Dubey, Nagendra Thakur
A thermophilic, spore-forming, rod-shaped bacterium isolated from the Yumthang hot spring in North Sikkim, India was subjected to taxonomic studies. The thermophilic bacterial isolate was designated as strain AYN2T . Cells were Gram-stain-positive, aerobic, motile, rod-shaped, catalase-positive and methyl red-negative. Strain AYN2T was able to grow in the pH range from 6 to 10 (optimum, pH 7.5-8.0), at 40-70 °C (60 °C) and in NaCl concentrations of 0-4 % (1 %). The major cellular fatty acids were iso-C15 : 0 (12...
September 17, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/30222097/chryseolinea-flava-sp-nov-a-new-species-of-chryseolinea-isolated-from-soil
#13
Jing-Jing Wang, Qi Chen, Yue-Zhong Li
A pale yellow bacterial strain, designated SDU1-6T , was isolated from a soil sample collected in the Jinan campus of Shandong University, Shandong Province, PR China. The strain was aerobic, motile, Gram-stain-negative and rod-shaped. Cellular growth occurred at 13-37 °C, pH 5.0-10.0 and with 0-0.1 % (w/v) NaCl, and the optimal growth was at 25 °C and pH 7.5. SDU1-6T had the highest 16S rRNA gene similarity of 95.42 % with Chryseolinea serpens DSM 24574T . The genome was 6 542 746 bp in length with 43...
September 17, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/30222096/pelagivirga-sediminicola-gen-nov-sp-nov-isolated-from-the-bohai-sea
#14
Xiaofei Ji, Cong Zhang, Xiying Zhang, Zheng Xu, Yunfei Ding, Yimei Zhang, Qing Song, Boqing Li, Huilin Zhao
A Gram-stain-negative bacterium, strain BH-SD19T , that was isolated from a marine sediment sample collected from the Bohai Sea, was subjected to a polyphasic taxonomic study. Cells of BH-SD19T are non-flagellated, non-gliding, oval-shaped rods, 0.5-1.0 µm wide and 1.0-2.0 µm long. BH-SD19T is strictly aerobic, and oxidase- and catalase-positive. Growth occurs at 15-40 °C (optimum 35 °C), at pH 6.0-8.5 (optimum 7.0-7.5) and with 1-10 % (w/v) NaCl (optimum 2 %). The predominant fatty acids are C19 : 0cyclo ω8c (46...
September 17, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/30222095/maribacter-litoralis-sp-nov-a-marine-bacterium-isolated-from-seashore
#15
Dong Wan Lee, Hanbyul Lee, Bong-Oh Kwon, Jong Seong Khim, Un Hyuk Yim, Hongjae Park, Byeonghyeok Park, In-Geol Choi, Beom Seok Kim, Jae-Jin Kim
A novel Gram-stain-negative, moderately halophilic and aerobic bacterium, designated strain SDRB-Phe2T , was isolated from coastal sediment of the yellow sea in Sindu-ri, Republic of Korea. Cells were oxidase-positive, catalase-positive, rod-shaped and surrounded by a capsule with gliding motility. Colonies were yellow-coloured, circular, pulvinate with entire margins. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain SDRB-Phe2T formed a distinct lineage within the genus Maribacter of the family Flavobacteriaceae...
September 17, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/30222094/brumimicrobium-salinarum-sp-nov-isolated-from-a-marine-solar-saltern
#16
Hao-Rui Luo, Zi-Yue Chen, Jun-Jie Fei, Zong-Jun Du
A Gram-stain-negative, aerobic, rod-shaped and orange-coloured strain, designated LHR20T , was isolated from a marine solar saltern. The novel strain LHR20T was able to grow at 15-40 °C (optimum 33-37 °C), at pH 6.5-9.5 (optimum pH 7.5-8.0) and with 2.0-11.0 % (w/v) NaCl (optimum 4.0-5.0 %). MK-6 was the sole respiratory quinone, and the major fatty acids were iso-C15 : 0 and iso-C17 : 0 3-OH. The predominant polar lipids of strain LHR20T were phosphatidylethanolamine (PE), aminolipid (AL), glycolipid (GL1) and two unidentified lipids (L1, L2)...
September 17, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/30222093/ottowia-konkukae-sp-nov-isolated-from-rotten-biji-tofu-residue
#17
Kwon Jung Yi, Wan-Taek Im, Dong-Woon Kim, Soo-Ki Kim
A Gram-negative, aerobic, non-motile, non-spore-forming and rod-shaped bacterial strain, designated SK3863T , was isolated from rotten biji (residue remaining after making tofu). This bacterium was characterized in order to determine its taxonomic position by using the polyphasic approach. Strain SK3863T grew well at 25-37 °C on Reasoner's 2A agar plates. On the basis of 16S rRNA gene sequence similarity, strain SK3863T belonged to the family Comamonadaceae and was related to Ottowia beijingensis GCS-AN-3T (96...
September 17, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/30215596/blastococcus-litoris-sp-nov-isolated-from-sea-tidal-flat-sediment
#18
Dong Wan Lee, Hanbyul Lee, Bong-Oh Kwon, Jong Seong Khim, Un Hyuk Yim, Beom Seok Kim, Jae-Jin Kim
A novel Gram-strain-positive, non-spore-forming bacterial strain, designated GP-S2-8T , was isolated from a sea-tidal flat sediment sample from Gopado, Republic of Korea. Cells were aerobic, catalase-negative, oxidase-positive, non-motile and cocci, occurring singly, in pairs or in tetrads, and often tending to form aggregates. The strain grew at 4-45 °C (optimum, 28-37 °C), at pH 4.0-11.0 (pH 7.0-9.0) and in the presence of 0-11 % (w/v) NaCl (0-3 %). Phylogenetic analyses based on 16S rRNA gene sequences represented that the isolate belongs to the genus Blastococcus...
September 14, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/30215594/halorubrum-chaoviator-mancinelli-et-al-2009-is-a-later-heterotypic-synonym-of-halorubrum-ezzemoulense-kharroub-et-al-2006-emended-description-of-halorubrum-ezzemoulense-kharroub-et-al-2006
#19
Paulina Corral, Rafael R de la Haba, Carmen Infante-Domínguez, Cristina Sánchez-Porro, Mohammad A Amoozegar, R Thane Papke, Antonio Ventosa
A polyphasic comparative taxonomic study of Halorubrum ezzemoulense Kharroub et al. 2006, Halorubrum chaoviator Mancinelli et al. 2009 and eight new Halorubrum strains related to these haloarchaeal species was carried out. Multilocus sequence analysis using the five concatenated housekeeping genes atpB, EF-2, glnA, ppsA and rpoB', and phylogenetic analysis based on the 757 core protein sequences obtained from their genomes showed that Hrr. ezzemoulense DSM 17463T , Hrr. chaoviator Halo-G*T (=DSM 19316T ) and the eight Halorubrum strains formed a robust cluster, clearly separated from the remaining species of the genus Halorubrum...
September 14, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/30207517/bacillus-shivajii-sp-nov-isolated-from-a-water-sample-of-sambhar-salt-lake-india
#20
Shekhar Kumar, Harjodh Singh, Manpreet Kaur, Lakhwinder Kaur, Naga Radha Srinivas Tanuku, Anil Kumar Pinnaka
A novel Gram-stain-positive, rod-shaped, motile, spore-forming, strictly aerobic, alkali- and halo- tolerant bacterium, designated strain AK72T , was isolated from a water sample collected from Sambhar salt lake, Rajasthan, India. The colony appears circular, shiny, smooth, translucent or slightly pale in colour and convex with an entire margin after 48 h incubation at 37 °C with pH 9. Growth of the bacterium occurred at 10-42 °C (optimum, 25-37 °C), at salinities of 0.5-10 % (w/v) NaCl (optimum 3-5 % NaCl) and pH of 6-10 (optimum pH 9)...
September 12, 2018: International Journal of Systematic and Evolutionary Microbiology
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