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https://www.readbyqxmd.com/read/28821251/evaluation-of-different-diagnostic-methods-for-the-detection-of-mycobacterium-avium-subsp-paratuberculosis-in-boot-swabs-and-liquid-manure-samples
#1
Nathalie Hahn, Klaus Failing, Tobias Eisenberg, Karen Schlez, Peter-Michael Zschöck, Karsten Donat, Esra Einax, Heike Köhler
BACKGROUND: Environmental sampling based on boot swabs and/or liquid manure samples is an upcoming strategy for the identification of paratuberculosis (paraTB) positive herds, but only limited data are available regarding the diagnostic performance of molecular detection methods (qPCR) versus faecal culture (FC) for this purpose. In the present study, the test characteristics of two different qPCR protocols (A and B) and a standardized FC protocol, for the detection of Mycobacterium avium subsp...
August 18, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28820126/adhaeribacter-terrae-sp-nov-a-novel-bacterium-isolated-from-soil
#2
Nabil Elderiny, Jae-Jin Lee, Yeon-Hee Lee, Su-Jin Park, Seung-Yeol Lee, Sangkyu Park, Young-Je Cho, Leonid N Ten, Hee-Young Jung
Strain HY02T was isolated from a soil sample collected at Namyangju-si, Gyeonggi-do, Republic of Korea. Cells of this strain were observed to be Gram-stain-negative, short and rod-shaped. Colonies were red in colour. A 16S rRNA gene sequence analysis identified this strain as a member of the genus Adhaeribacter in the family Cytophagaceae, with the highest level of 16S rRNA gene sequence similarity to Adhaeribacter terreus DNG6T (98.08 %). This strain was positive for oxidase but negative for catalase activity and acid production from glucose...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28820124/bacillus-wudalianchiensis-sp-nov-isolated-from-grass-soils-of-the-wudalianchi-scenic-area
#3
Bo Liu, Guo-Hong Liu, Cetin Sengonca, Peter Schumann, Jie-Ping Wang, Yu-Jing Zhu, Hai-Feng Zhang
A Gram-stain-positive, rod-shaped, endospore-forming, aerobic bacterium, designated FJAT-27215T, was isolated from grass soil collected from Wudalianchi in the Heilongjiang Province of China. Growth was observed at 10-60 °C (optimum 30 °C), in 0 and 3.0 % NaCl (optimum 0 %) and at pH 5.0-10.0 (optimum 7.0), respectively. The cell-wall peptidoglycan contained meso-diaminopimelic acid and the isoprenoid quinone was MK7. The main fatty acids were iso-C15 : 0, anteiso-C15 : 0, anteiso-C17 : 0, and iso-C16 : 0...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28820119/blastomonas-fulva-sp-nov-aerobic-photosynthetic-bacteria-isolated-from-a-microcystis-culture
#4
Hyung-Gwan Lee, So-Ra Ko, Jun-Woo Lee, Chang Soo Lee, Chi-Yong Ahn, Hee-Mock Oh, Long Jin
Two Gram-stain-negative, aerobic, non-motile, non-spore-forming and rod-shaped bacteria, designated strains T2T and T5, were isolated from a culture of Microcystis from Daejeon, Republic of Korea. Comparative 16S rRNA gene sequence studies placed the new isolates in the class Alphaproteobacteria and, notably, most closely related to Blastomonasaquatica PE 4-5T, Blastomonas natatoria DSM 3183T and Blastomonas ursincola KR-99T showing 99.4 %, 98.2 % and 97.9 % 16S rRNA gene sequence similarities, respectively...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28820109/pseudomonas-wadenswilerensis-sp-nov-and-pseudomonas-reidholzensis-sp-nov-two-novel-species-within-the-pseudomonas-putida-group-isolated-from-forest-soil
#5
David Frasson, Michael Opoku, Tara Picozzi, Tanja Torossi, Stefanie Balada, Theo H M Smits, Urs Hilber
Within the frame of a biotechnological screening, we isolated two Pseudomonas strains from forest soil. 16S rRNA gene sequence analysis indicated that strain CCOS 864T shared 99.8 % similarity with Pseudomonas donghuensis HYST, while strain CCOS 865T shared 99.0 % similarity with Pseudomonas putida DSM 291T and lower similarity with other P. putida group type strains. Based on multilocus sequence analysis, the two strains were genotypically distinct from each other, each forming a separate clade. Strains CCOS 864T and CCOS 865T were Gram-stain-negative, motile and rod-shaped, growing at a temperature range of 4-37 °C...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28820106/sphingomonas-gotjawalisoli-sp-nov-isolated-from-soil-of-a-lava-forest
#6
Keun Chul Lee, Kwang Kyu Kim, Mi Kyung Eom, Jong-Shik Kim, Dae-Shin Kim, Suk-Hyung Ko, Seung-Hoon Yang, Jung-Sook Lee
A bacterial strain, designated SN6-9T, was isolated from soil of the Gotjawal, lava forest, located in Jeju, Republic of Korea. Strain SN6-9T was Gram-stain-negative, motile, oxidase- and catalase-negative, yellow-pigmented and rod-shaped. It contained summed feature 3 (C16 : 1ω7c and/or C16 : 1ω6c) and summed feature 8 (C18 : 1ω7c and/or C18 : 1ω6c) as the major fatty acids, Q-10 as the predominant isoprenoid quinone, sym-homospermidine as the major polyamine and diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, phosphatidylcholine, sphingoglycolipid and two unidentified phospholipids as the polar lipids...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28820098/mucilaginibacter-craterilacus-sp-nov-isolated-from-sediment-soil-of-a-crater-lake
#7
Keun Chul Lee, Kwang Kyu Kim, Mi Kyung Eom, Jong-Shik Kim, Dae-Shin Kim, Suk-Hyung Ko, Seung-Hoon Yang, Jung-Sook Lee
A novel bacterial strain, designated N60AT, was isolated from sediment soil of crater lake, Baekrokdam, Hallasan, Jeju, Republic of Korea. Cells of N60AT were Gram-reaction-negative, oxidase- and catalase-positive, non-motile rods and formed transparent white colonies on ten-fold diluted R2A agar. N60AT contained summed feature 3 (C16 : 1ω7c/C16 : 1ω6c), iso-C15 : 0 and iso-C17 : 0 3-OH as the major fatty acids and MK-7 as the predominant isoprenoid quinone. It contained phosphatidylethanolamine as the predominant polar lipid...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28820088/bacillus-praedii-sp-nov-isolated-from-purplish-paddy-soil
#8
Bo Liu, Guo-Hong Liu, Cetin Sengonca, Peter Schumann, Jie-Ping Wang, Yu-Jing Zhu, Qin-Ying Liu, Ming-Kuang Wang
A Gram-stain-positive, rod-shaped, endospore-forming, aerobic bacterium, designated strain FJAT-25547T, was isolated from the purplish paddy soil collected from Linshan Township, Yanting Prefecture of Sichuan Province in PR China (31° 16' N 105° 27' E). Growth was achieved aerobically at temperatures between 15 and 40 °C (optimum 30 °C), with between 0 and 10.0 % NaCl (w/v) (optimum 4 %) and in the range of pH 5.0-12.0 (optimum pH 9.0). The cell-wall peptidoglycan contained meso-diaminopimelic acid, and the main isoprenoid quinone was MK-7...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28819873/similarities-and-differences-between-doxycycline-and-minocycline-clinical-and-antimicrobial-stewardship-considerations
#9
REVIEW
B A Cunha, J Baron, C B Cunha
Doxycycline and, to a lesser extent, minocycline, have been used for decades to treat various serious systemic infections, but many physicians remain unfamiliar with their spectrum, interpretation of susceptibility results, pharmacokinetic/pharmacodynamic (PK/PD) properties, optimal dosing regimens, and their activity against MRSA, VRE, and multidrug-resistant (MDR) Gram-negative bacilli, e.g., Acinetobacter sp. This article reviews the optimal use of doxycycline and minocycline to treat a variety of infections and when minocycline is preferred instead of doxycycline...
August 17, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28817277/discovery-and-characterization-of-r-6-neopentyl-2-pyridin-2-ylmethoxy-6-7-dihydropyrimido-2-1-c-1-4-oxazin-4-9h-one-pf-06462894-an-alkyne-lacking-metabotropic-glutamate-receptor-5-negative-allosteric-modulator-profiled-in-both-rat-and-non-human-primates
#10
Antonia F Stepan, Michelle M Claffey, Matthew R Reese, Gayatri Balan, Gabriela Barreiro, Jason Barricklow, Michael J Bohanon, Brian P Boscoe, Gregg D Cappon, Lois K Chenard, Julie Cianfrogna, Laigao Chen, Karen J Coffman, Susan E Drozda, Joshua R Dunetz, Somraj Ghosh, Xinjun Hou, Christopher Houle, Kapil Karki, John T Lazzaro, Jessica Y Mancuso, John M Marcek, Emily L Miller, Mark A Moen, Steven V O'Neil, Isao Sakurada, Marc Skaddan, Vinod Parikh, Deborah L Smith, Patrick E Trapa, Jamison B Tuttle, Patrick R Verhoest, Daniel P Walker, Annie C Won, Ann S Wright, Jessica Whritenour, Kenneth Zasadny, Margaret M Zaleska, Lei Zhang, Christopher L Shaffer
We previously observed a cutaneous type IV immune response in non-human primates (NHP) with the mGlu5 negative allosteric modulator (NAM) 7. To determine if this adverse event was chemotype- or mechanism-based, we evaluated a distinct series of mGlu5 NAMs. Increasing the sp(3) character of high-throughput screening hit 40 afforded a novel morpholinopyrimidone mGlu5 NAM series. Its prototype, (R)-6-neopentyl-2-(pyridin-2-ylmethoxy)-6,7-dihydropyrimido[2,1-c][1,4]oxazin-4(9H)-one (PF-06462894, 8), possessed favorable properties and a predicted low clinical dose (2 mg twice daily)...
August 17, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28817228/isolation-of-the-new-antiplasmodial-butanolide-malleastrumolide-a-from-a-malleastrum-sp-meliaceae-from-madagascar
#11
Yongle Du, Alexander K Abedi, Ana Lisa Valenciano, Maria L Fernández-Murga, Maria B Cassera, Vincent E Rasamison, Wendy L Applequist, James S Miller, David G I Kingston
An extract of a Malleastrum sp. (Meliaceae) collected in Madagascar by the Madagascar International Cooperative Biodiversity Group was found to have antimalarial activity, with an IC50 value between 2.5 and 5 μg/mL. After purification by liquid-liquid partition, chromatography on a Diaion open column, C-18 SPE and C-18 reverse phase HPLC, the new butanolide malleastrumolide A was isolated. The structure of malleastrumolide A was determined by mass spectrometry, NMR and ECD. The double bond position was determined by cross-metathesis and mass spectrometry...
August 17, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28816609/evidence-of-diversity-site-and-host-specificity-of-sea-turtle-blood-flukes-digenea-schistosomatoidea-spirorchiidae-a-molecular-prospecting-study
#12
Brian A Stacy, Phoebe A Chapman, Allen M Foley, Ellis C Greiner, Lawrence H Herbst, Alan B Bolten, Paul A Klein, Charles A Manire, Elliott R Jacobson
Neospirorchis (Digenea: "Spirorchiidae") are blood flukes of sea turtles. Trematodes tentatively identified as Neospirorchis sp. infect various sites within sea turtles inhabiting waters of the southeastern United States, but efforts to obtain specimens adequate for morphologic study has proven difficult. Two genetic targets, the internal transcribed spacer region of the ribosomal RNA gene and the partial mitochrondrial cytochrome c oxidase subunit I gene, were used to investigate potential diversity among parasite specimens collected from stranded sea turtles...
August 17, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28810759/lanthanum-mediated-dehydrogenation-of-1-and-2-butynes-spectroscopy-and-formation-of-la-c4h4-isomers
#13
Wenjin Cao, Dilrukshi Hewage, Dong-Sheng Yang
La atom reactions with 1-butyne and 2-butyne are carried out in a laser-vaporization molecular beam source. Both reactions yield the same La-hydrocarbon products from the dehydrogenation and carbon-carbon bond cleavage and coupling of the butynes. The dehydrogenated species La(C4H4) is characterized with mass-analyzed threshold ionization (MATI) spectroscopy and quantum chemical computations. The MATI spectra of La(C4H4) produced from the two reactions exhibit two identical transitions, each consisting of a strong origin band and several vibrational intervals...
August 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28809143/bacillus-swezeyi-sp-nov-and-bacillus-haynesii-sp-nov-isolated-from-desert-soil
#14
Christopher A Dunlap, David A Schisler, Elizabeth B Perry, Nora Connor, Frederick M Cohan, Alejandro P Rooney
Two isolates of Gram-reaction-positive, facultatively anaerobic, motile, rod-shaped, endospore-forming bacteria were identified during a survey of the diversity of strains belonging to the genus Bacillus deposited in the Agriculture Research Service Culture Collection. These strains were originally isolated from soil in Evolution Canyon III (Israel) in a survey of ecological diversification. Phylogenetic analysis of the 16S rRNA gene of strains NRRL B-41294T and NRRL B-41327T determined they were closely related to members of the Bacillus licheniformis clade...
August 15, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28807094/mesonia-maritimus-sp-nov-isolated-from-seawater-of-the-south-sea-of-korea
#15
Hye-Ri Sung, Kiseong Joh, Kee-Sun Shin
A yellow-pigmented bacterial strain, originally designated 15-S14-6T, was isolated from the southern coastal waters of Korea and was subjected to taxonomic study using a polyphasic approach. Strain 15-S14-6T was Gram-staining-negative, flagellated, rod-shaped and aerobic. The strain grew optimally at 25-30 °C, in the presence of 2 % (w/v) NaCl and at pH 7.5-8.0. The results of phylogenetic analysis based on 16S rRNA gene sequences indicated that 15-S14-6T represented a member of the genus Mesonia and exhibited the highest sequence similarity (98...
August 15, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28803924/differential-regulation-of-the-tlr4-signalling-pathway-in-post-mortem-prefrontal-cortex-and-cerebellum-in-chronic-schizophrenia-relationship-with-sp-transcription-factors
#16
Karina S MacDowell, Raquel Pinacho, Juan C Leza, Joan Costa, Belén Ramos, Borja García-Bueno
Alterations in innate immunity may underlie the pathophysiology of schizophrenia (SZ). Toll-like receptor-4 (TLR4) is a master element of innate immunity. The specificity proteins (SPs), transcription factors recently implicated in SZ, are putative regulatory agents of this. This work was aimed at describing alterations in the TLR4 signalling pathway in postmortem brain prefrontal cortex (PFC) and cerebellum (CB) of 16 chronic SZ patients and 14 controls. The possible association of TLR4 pathway with SP1 and SP4 and SZ negative symptomatology is explored...
August 10, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28799253/production-of-bioethanol-in-sugarcane-bagasse-hemicellulosic-hydrolysate-by-scheffersomyces-parashehatae-scheffersomyces-illinoinensis-and-spathaspora-arborariae-isolated-from-brazilian-ecosystems
#17
R M Cadete, M A Melo-Cheab, K J Dussán, R C L B Rodrigues, S S da Silva, F C O Gomes, C A Rosa
AIMS: This study aimed to evaluate new d-xylose-fermenting yeasts from Brazilian ecosystems for the production of second-generation ethanol. METHODS AND RESULTS: d-xylose-fermenting yeasts isolated from rotting wood and wood-boring insects were identified as the species Scheffersomyces parashehatae, Sc. illinoinensis, Spathaspora arborariae, and Wickerhamomyces rabaulensis. Among the yeasts tested, those of Scheffersomyces parashehatae exhibited the highest ethanol production when cultivated on complex medium (Yp/s(et) = 0...
August 11, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28798189/genome-sequence-of-oceanicola-sp-strain-mctg156-1a-isolated-from-a-scottish-coastal-phytoplankton-net-sample
#18
Tony Gutierrez, William B Whitman, Marcel Huntemann, Alex Copeland, Amy Chen, Neha Vargese, Nikos C Kyrpides, Manoj Pillay, Natalia Ivanova, Natalia Mikhailova, Supratim Mukherjee, Dimitrios Stamatis, T B K Reddy, Chew Yee Ngan, Mansi Chovatia, Chris Daum, Nicole Shapiro, Tanja Woyke
Oceanicola sp. strain MCTG156(1a) was isolated from a phytoplankton net sample collected on the west coast of Scotland and selected based on its ability to degrade polycyclic aromatic hydrocarbons. Here, we present the genome sequence of this strain, which comprises 3,881,122 bp with 3,949 genes and an average G+C content of 62.7%.
August 10, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28792661/multi-effect-of-the-water-soluble-moringa-oleifera-lectin-against-serratia-marcescens-and-bacillus-sp-antibacterial-antibiofilm-and-anti-adhesive-properties
#19
M C Moura, D S Trentin, T H Napoleão, M Primon Barros, A S Xavier, N P Carneiro, P M G Paiva, A J Macedo, L C B B Coelho
AIMS: To evaluate the antibiofilm potential of water-soluble Moringa oleifera seed lectin (WSMoL) on Serratia marcescens and Bacillus sp. METHODS AND RESULTS: WSMoL inhibited biofilm formation by S. marcescens at concentrations lower than 2.6 μg ml(-1) and impaired bacterial growth at higher concentrations, avoiding biofilm formation. For Bacillus sp., the lectin inhibited bacterial growth at all concentrations. The antibiofilm action of WSMoL is associated with damage to bacterial cells...
August 9, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28792377/leucobacter-ruminantium-sp-nov-isolated-from-the-bovine-rumen
#20
Byung Hee Chun, Hyo Jung Lee, Sang Eun Jeong, Peter Schumann, Che Ok Jeon
A Gram-stain-positive, lemon yellow-pigmented, non-motile, rod-shaped bacterium, designated strain A2T, was isolated from the rumen of cow. Cells were catalase-positive and weakly oxidase-positive. Growth of strain A2T was observed at 25-45 °C (optimum, 37-40 °C), at pH 5.5-9.5 (optimum, pH 7.5) and in the presence of 0-3.5 % (w/v) NaCl (optimum, 1 %). Strain A2T contained iso-C16 : 0 and anteiso-C15 : 0 as the major cellular fatty acids. Menaquinone-11 was detected as the sole respiratory quinone...
August 10, 2017: International Journal of Systematic and Evolutionary Microbiology
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