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https://www.readbyqxmd.com/read/28429167/corynebacterium-defluvii-sp-nov-isolated-from-sewage
#1
Qiu-Li Yu, Zheng-Fei Yan, Xin He, Feng-Hua Tian, Chuan-Wen Jia, Chang-Tian Li
A Gram-positive, aerobic, non-motile, rod-shapeds, cata-lase-positive, and oxidase-negative strain, designated Y49(T), was isolated from sewage collected from Jilin Agricultural University, China. It grew at 20-40°C (optimum at 30°C), at pH 6.0-8.0 (optimum at 7.0) and at 0-1.0% sodium chloride (optimum at 0%). The major isoprenoid quinone was menaquinone-8 (MK-8) and the polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylmethylethanolamine, four unidentified lipids, and two unidentified aminolipids...
April 20, 2017: Journal of Microbiology / the Microbiological Society of Korea
https://www.readbyqxmd.com/read/28282601/isolation-and-characterization-of-bioactive-polyacetylenes-panax-ginseng-meyer-roots
#2
Chia-Rou Yeo, Jin-Jie Yong, David G Popovich
Panax ginseng has been studied for its chemo-preventive properties and pharmaceutical potential. Polyacetylenic compounds isolated from Panax ginseng root typically comprised of non-polar C17 compound have been reported to exhibit bioactive properties. The objective of this project is to extract, isolate, and characterize bioactive polyacetylenes from Panax ginseng root using various extraction and separation methods Ginseng was extracted by reflux using methanol, ethanol, hexane, ethyl acetate, methanolic ultrasonication...
May 30, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28256560/vlasouliolides-a-d-four-rare-c17-c15-sesquiterpene-lactone-dimers-with-potential-anti-inflammatory-activity-from-vladimiria-souliei
#3
Li-Ping Chen, Guo-Zhen Wu, Jian-Ping Zhang, Ji Ye, Qing-Xin Liu, Yun-Heng Shen, Hui-Liang Li, Wei-Dong Zhang
Vlasouliolides A-D (1-4), four rare sesquiterpene lactone dimers, were isolated from Vladimiria souliei. The common structural characteristic of 1-4 is the C32 skeleton comprising two sesquiterpene lactone units linked by a C11-C13' single bond with one acetyl connected to the C-13 position of one of the two sesquiterpene lactone units. The stereochemistries of 1-4 were assigned by a combination of NOESY correlations and Cu-Κα X-ray crystallographic analyses. Compounds 1-4 strongly inhibited the production of NO in LPS-stimulated RAW 264...
March 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28194502/luethyella-okanaganae-gen-nov-sp-nov-a-novel-genus-and-species-of-the-family-microbacteriaceae-isolated-from-the-insect-okanagana-rimosa
#4
Lindsey O'Neal, Peter Schumann, Enevold Falsen, Paul A Lawson
The entomopathogen "Corynebacterium okanaganae" was described by Lüthy in 1974 but the name was never validly published. Phylogenetic analysis employing 16S rRNA gene sequences demonstrate that "Corynebacterium okanaganae" is not a member of the genus Corynebacterium but related to members of the Microbacteriaceae being most closely related to, but distinct from, members of the genera Rathayibacter, Mycetocola and Curtobacterium. The bacterium is an aerobic, Gram-positive staining, rod-shaped actinobacterium with the cell-wall peptidoglycan based on 2,4, diaminobutyric acid as the diagnostic diamino acid...
April 2017: Current Microbiology
https://www.readbyqxmd.com/read/28174421/streptomyces-euryhalinus-sp-nov-a-new-actinomycete-isolated-from-a-mangrove-forest
#5
Kaushik Biswas, Jayanta D Choudhury, Riddhi Mahansaria, Malay Saha, Joydeep Mukherjee
A Gram-positive, aerobic, non-motile actinomycete (strain MS 3/20(T)) was isolated from the sediment of the Sundarbans mangrove forest in India. On International Streptomyces Project (ISP) medium 2, the isolate produced yellowish brown to red aerial hyphae that carried spiny-surfaced spores in a retinaculum-apertum arrangement. Whole-cell hydrolysate of the strain contained LL-diaminopimelic acid and galactose. Predominant menaquinones were MK-9(H8) and MK-9(H6). Diagnostic polar lipids were glycolipid, phosphatidylglycerol, phosphatidylethanolamine, phosphatidylcholine, unidentified phospholipid and unidentified amino lipid...
February 8, 2017: Journal of Antibiotics
https://www.readbyqxmd.com/read/28155814/nonomuraea-rhodomycinica-sp-nov-isolated-from-peat-swamp-forest-soil-in-thailand
#6
Paranee Sripreechasak, Wongsakorn Phongsopitanun, Khomsan Supong, Pattama Pittayakhajonwut, Takuji Kudo, Moriya Ohkuma, Somboon Tanasupawat
The taxonomic position of actinomycete, strain NR4-ASC07T isolated from soil sample collected from Sirindhorn peat swamp forest, Narathiwat Province, Thailand, was clarified using a polyphasic approach. On the basis of morphological and chemotaxonomic characteristics, it was classified in the members of the genus Nonomuraea. It produced tightly closed spiral spore chains on aerial mycelium as well as forming the pseudosporangium. Whole-cell hydrolysate contained meso-diaminopimelic acid, glucose, ribose, madurose and mannose...
February 2, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28141484/parahaliea-aestuarii-sp-nov-isolated-from-the-asan-bay-estuary
#7
Hye Su Jung, Sang Eun Jeong, Kyung Hyun Kim, Che Ok Jeon
A Gram-stain-negative, strictly aerobic and moderate halotolerant bacterial strain, designated S2-26T, was isolated from the Asan Bay estuary in South Korea. Cells were motile rods with two polar flagella showing oxidase- and catalase-positive activities. Growth of strain S2-26T was observed at 15-45 C (optimum, 25C) and pH 5.5-10.0 (optimum, pH 7.0-8.5) and in the presence of 0-8.0 % (w/v) NaCl (optimum, 2.0 %). Strain S2-26T contained C17:1 ω8c, summed feature 8 (comprising C18:1 ω7c and/or C18:1 ω6c), summed feature 3 (comprising iso-C17:1 ω9c/C16:0 10-methyl) and C17:0 as the major fatty acids and ubiquinone-8 as the sole isoprenoid quinone...
January 29, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28126047/niveitalea-solisilvae-gen-nov-sp-nov-isolated-from-forest-soil-and-emended-description-of-the-genus-flavihumibacter-zhang-et-al-2010
#8
Jong Woo Hyeon, Hyo Jung Lee, Sang Eun Jeong, Ga Youn Cho, Che Ok Jeon
A gram-staining-negative and strictly aerobic bacterial strain, designated 6-4T, was isolated from forest soil in Jeju island, South Korea. Cells showing oxidase-positive and catalase-negative reactions were thin and long non-motile rods. Growth of strain 6-4T was observed at 20-35 C (optimum, 30 C) and pH 6.0-9.0 (optimum, pH 7.0). Strain 6-4T contained iso-C15:0, anteiso-C15:0, iso-C15:1 G and iso-C17:0 3-OH as the major fatty acids and menaquinone-7 (MK-7) as the sole isoprenoid quinone. Phosphatidylethanolamine was the major polar lipid and five unidentified aminolipids, one unidentified aminophospholipid and one unidentified lipid were also detected as the minor polar lipids...
January 26, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28124782/azohydromonas-riparia-sp-nov-and-azohydromonas-ureilytica-sp-nov-isolated-from-a-riverside-soil-in-south-korea
#9
Tuan Manh Nguyen, Jaisoo Kim
White and pale yellow coloured bacteria were isolated from the riverside soil, Daejeon, South Korea, and were designated UCM-11(T), UCM-F25, and UCM-80(T). We found that all strains were able to reduce nitrate, and the cells were aerobic and motile. The DNA G+C contents of UCM-11(T), UCM-F25, and UCM-80(T) were between 68.9 to 71.2 mol% and the main ubiquinone was observed as Q-8. Based on16S rRNA gene sequences, strains UCM-11(T) and UCM-F25 were found to closely match with Azohydromonas australica IAM 12664(T) (98...
January 26, 2017: Journal of Microbiology / the Microbiological Society of Korea
https://www.readbyqxmd.com/read/28097475/svct2-is-expressed-by-cerebellar-precursor-cells-which-differentiate-into-neurons-in-response-to-ascorbic-acid
#10
Karina Oyarce, Carmen Silva-Alvarez, Luciano Ferrada, Fernando Martínez, Katterine Salazar, Francisco Nualart
Ascorbic acid (AA) is a known antioxidant that participates in a wide range of processes, including stem cell differentiation. It enters the cell through the sodium-ascorbate co-transporter SVCT2, which is mainly expressed by neurons in the adult brain. Here, we have characterized SVCT2 expression in the postnatal cerebellum in situ, a model used for studying neurogenesis, and have identified its expression in granular precursor cells and mature neurons. We have also detected SVCT2 expression in the cerebellar cell line C17...
January 17, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28073405/rhodanobacter-humi-sp-nov-a-novel-acidtolerant-and-alkalitolerant-gammaproteobacterium-isolated-from-kyonggi-university-forest-soil
#11
Ram Hari Dahal, Jaisoo Kim
A novel acidtolerant and alkalitolerant gammaproteobacterium designated strain RS22T was isolated from Kyonggi University forest soil. Cells were aerobic, Gram-staining-negative, catalase- and oxidase- positive, non-motile, non-spore-forming, rod-shaped, and yellow-pigmented. Flexirubin-type pigments were absent. Strain RS22T assimilates lactic acid, L-proline, and 3-hydroxybenzoic acid; tolerates 4 % of NaCl, ferments glucose, and can grow at pH 11.0. A phylogenetic analysis based on its 16S rRNA gene sequence revealed that strain RS22T formed a lineage within the class Gammaproteobacteria of the phylum Proteobacteria that was distinct from various species of the genus Rhodanobacter, including Rhodanobacter denitrificans 2APBS1T (97...
January 10, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28073395/actinophytocola-xanthii-sp-nov-a-novel-actinomycete-isolated-from-rhizosphere-soil-of-the-plant-xanthium-sibiricum
#12
Wei Wang, Bin Wang, Haoyi Meng, Zhaobin Xing, Qiliang Lai, Lijie Yuan
A novel actinomycete strain, 11-183T, was isolated from the rhizosphere soil of Xanthium sibiricum, which was collected in Tangshan, Hebei, China. A phylogenetic analysis based on 16S rRNA gene sequences showed that strain 11-183T formed a clade within the genus Actinophytocola, with a maximum similarity of 98.44 % to Actinophytocola xinjiangensis QAIII60T, followed by 97.76 % similarity to Actinophytocola sediminis YIM M13705T(97.76%). The average nucleotide identity and digital DNA-DNA hybridization values differed by 79...
January 10, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28056220/aliidiomarina-sedimenti-sp-nov-a-haloalkaliphilic-bacterium-in-the-family-idiomarinaceae
#13
Azadeh Shahinpei, Mohammad Ali Amoozegar, Seyed Abolhassan Shahzadeh Fazeli, Peter Schumann, Cathrin Spröer, Antonio Ventosa
A novel Gram-staining-negative straight or curved rod, moderately halophilic and alkaliphilic bacterium, designated strain GBSy1T, was isolated from a sample of the coastal-marine wetland Gomishan in Iran. Strain GBSy1T was motile, and formed non-pigmented, mucoid colonies. Growth occurred between 1 and 15 % (w/v) NaCl and the isolate grew optimally with 5 % (w/v) NaCl. The optimum pH and temperature for growth were 8.5 and 34 °C, while the strain was able to grow at pH 7.0-10 and 4-40 °C. On the basis of 16S rRNA gene sequence analysis, strain GBSy1T was shown to belong to the genus Aliidiomarina within the class Gammaproteobacteria, family Idiomarinaceae and showed closest phylogenetic similarity to Aliidiomarina maris CF12-14T (97...
January 4, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28032540/photorhabdus-luminescens-subsp-namnaonensis-subsp-nov-isolated-from-heterorhabditis-baujardi-nematodes-in-nam-nao-district-of-central-thailand
#14
Stefanie P Glaeser, Nicholas J Tobias, Aunchalee Thanwisai, Narisara Chantratita, Helge B Bode, Peter Kämpfer
A lightly yellowish pigmented, oxidase-negative bacterial strain (PB45.5T), isolated from the Nam Nao district of Phetchabun in central Thailand was investigated for its taxonomic position. The cells morphology of the isolate showed a rod shaped appearance. The strain stained Gram-negative. Strain PB45.5T shared highest 16S rRNA gene sequence similarity with the type strain of Photorhabdus luminescens subsp. akhurstii (99.2%) and Photorhabdus luminescens subsp. hainanensisi (99.1%) and lower similarities to all other Photorhabdus luminescens subspecies (< 98...
December 29, 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28032205/enterovirga-rhinocerotis-gen-nov-sp-nov-isolated-from-rhinoceros-unicornis-faeces
#15
Xiu Chen, Qin-Yuan Li, Gui-Ding Li, Hui Lei, Yi Jiang, Li Han, Xue-Shi Huang, Cheng-Lin Jiang
A novel strain, YIM 100770(T), was isolated from Rhinoceros unicornis faeces collected from Yunnan Wild Animal Park, China. The taxonomic status was determined based on the physiological, biochemical and phylogenetic characteristics. Strain YIM 100770(T) was observed to be rod-shaped, non-motile, Gram-stain negative and aerobic. The G+C content of the genomic DNA was determined to be 68.5 mol%. The cells of strain YIM 100770(T) contain ubiquinone Q-10 as the respiratory quinone. The major fatty acids (>1%) were identified as Summed feature 8 (C18:1 ω7c and/or C18:1 ω6c; 78...
April 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/28005518/nocardioides-phosphati-sp-nov-an-actinomycete-isolated-from-a-phosphate-mine
#16
Fuhong Xie, Yang Yang, Huan Ma, Shujing Quan, Dandan Yue, Yufei Sun, Fei Feng, Jing Zheng, Dehai Liu
A Gram-staining-positive, non-spore-forming and non-motile strain designated WYH11-7T was isolated from a phosphate mine in Yunnan Province, China. The taxonomic position of strain WYH11-7T was investigated by polyphasic approaches. Phylogenetic analyses based on 16S rRNA gene sequences indicated that strain WYH11-7T is a member of the genus Nocardioides. Strain WYH11-7T was closely related to Nocardioides jensenii DSM 20641T, Nocardioides dubius DSM 19084T, and Marmoricola terrae DSM 27141T, and had a pairwise 16S rRNA gene sequence similarities of 97...
December 22, 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27958192/haoranjiania-flava-gen-nov-sp-nov-a-new-member-of-the-family-chitinophagaceae-isolated-from-activated-sludge
#17
Long Zhang, Xiao-Long Chen, Qiang Hu, Kai Chen, Xin Yan, Shun-Peng Li, Shiri Freilich, Jian-Dong Jiang
A novel Gram-stain-negative, non-spore-forming and short rod-shaped bacterium, strain LIP-5T, isolated from an activated sludge in a pesticide factory in Xinyi, China, was investigated for its taxonomic position by a polyphasic approach. Cell growth occurred at 16-42 °C (optimum, 30 °C), in the presence of 0-3.0 % (w/v) NaCl (optimum, without NaCl) and at pH 6.0-9.0 (optimum, pH 7.0). Phylogenetic analysis based on 16S rRNA gene sequence comparisons showed that the isolate was a member of the family Chitinophagaceae, with the closest relatives being Arachidicoccus rhizosphaerae Vu-144T (93...
November 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27930269/lysobacter-humi-sp-nov-a-novel-species-isolated-from-soil-in-south-korea
#18
Dongwook Lee, Jun Hyeong Jang, Seho Cha, Taegun Seo
A yellow-pigmented and strictly aerobic bacterial strain, designated FJY8T, was isolated from the soil of Goyang, South Korea. The cells of FJY8T are Gram-negative, non-motile rods. Colonies were circular, convex and transparent. Strain FJY8T grew optimally at 30°C, 0 % (w/v) NaCl and pH 8. Phylogenetic analysis of the 16S rRNA gene sequence of FJY8T revealed a clear affiliation of this bacterium to the family Lysobacteraceae and it was related to members of the genus Lysobacter, Lysobacter xinjiangensis KCTC 22558T being its closest relative (98...
December 8, 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27910896/methylmercury-induces-the-expression-of-tnf-%C3%AE-selectively-in-the-brain-of-mice
#19
Miyuki Iwai-Shimada, Tsutomu Takahashi, Min-Seok Kim, Masatake Fujimura, Hitoyasu Ito, Takashi Toyama, Akira Naganuma, Gi-Wook Hwang
Methylmercury selectively damages the central nervous system (CNS). The tumor necrosis factor (TNF) superfamily includes representative cytokines that participate in the inflammatory response as well as cell survival, and apoptosis. In this study, we found that administration of methylmercury selectively induced TNF-α expression in the brain of mice. Although the accumulated mercury concentration in the liver and kidneys was greater than in the brain, TNF-α expression was induced to a greater extent in brain...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27902316/echinicola-strongylocentroti-sp-nov-isolated-from-a-sea-urchin-strongylocentrotus-intermedius
#20
You-Jung Jung, Sung-Hyun Yang, Kae Kyoung Kwon, Seung Seob Bae
A yellowish-orange-pigmented marine bacterium, designated MEBiC08714T was isolated from a sea urchin Strongylocentrotus intermedius collected at the west edge of the East Sea of Korea. Phylogenetic analysis based on the 16S rRNA gene sequences indicated that MEBiC08714T was affiliated with the genus Echinicola and that the strain was most closely related to Echinicola vietnamensis KCTC 12713T (96.9 %), followed by 'Echinicola shivajiensis' JCM 17847 (96.3 %), Echinicola jeungdonensis KCTC 23122T (96.1 %), and Echinicola pacifica KCTC 12368T (95...
April 2017: International Journal of Systematic and Evolutionary Microbiology
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