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https://www.readbyqxmd.com/read/28822229/vasculogenesis-and-angiogenesis-initiation-under-normoxic-conditions-through-wnt-%C3%AE-catenin-pathway-in-gliomas
#1
Alexandre Vallée, Rémy Guillevin, Jean-Noël Vallée
The canonical Wnt/β-catenin pathway is up-regulated in gliomas and involved in proliferation, invasion, apoptosis, vasculogenesis and angiogenesis. Nuclear β-catenin accumulation correlates with malignancy. Hypoxia activates hypoxia-inducible factor (HIF)-1α by inhibiting HIF-1α prolyl hydroxylation, which promotes glycolytic energy metabolism, vasculogenesis and angiogenesis, whereas HIF-1α is degraded by the HIF prolyl hydroxylase under normoxic conditions. We focus this review on the links between the activated Wnt/β-catenin pathway and the mechanisms underlying vasculogenesis and angiogenesis through HIF-1α under normoxic conditions in gliomas...
August 19, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/28822112/effectiveness-of-resistance-circuit-based-training-for-maximum-oxygen-uptake-and-upper-body-one-repetition-maximum-improvements-a-systematic-review-and-meta-analysis
#2
REVIEW
Francisco Antonio Muñoz-Martínez, Jacobo Á Rubio-Arias, Domingo Jesús Ramos-Campo, Pedro E Alcaraz
BACKGROUND: It is well known that concurrent increases in both maximal strength and aerobic capacity are associated with improvements in sports performance as well as overall health. One of the most popular training methods used for achieving these objectives is resistance circuit-based training. OBJECTIVE: The objective of the present systematic review with a meta-analysis was to evaluate published studies that have investigated the effects of resistance circuit-based training on maximum oxygen uptake and one-repetition maximum of the upper-body strength (bench press exercise) in healthy adults...
August 18, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28821962/influence-of-aerobic-fitness-on-vasoreactivity-in-young-men
#3
Preston L Bell, Edward T Kelley, Stephanie M McCoy, Daniel P Credeur
Previous work has demonstrated a direct relationship between aerobic fitness and vasodilatory function (i.e., flow-mediated dilation; FMD); however, the relation between aerobic fitness and vasoconstrictor responsiveness (i.e., low flow-mediated constriction; L-FMC), and the overall vasoactive range (FMD + L-FMC) is unclear. PURPOSE: To test the hypothesis that L-FMC and the overall vasoactive range (FMD + L-FMC) will be related to aerobic fitness in young, healthy men. METHODS: Twenty men (age: 23 ± 5 years) were recruited, and divided evenly into a higher (HF) vs...
August 18, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28821948/mucilaginibacter-ginsenosidivorans-sp-nov-isolated-from-soil-of-ginseng-field
#4
Minseok M Kim, Muhammad Zubair Siddiqi, Wan-Taek Im
A Gram-reaction-negative, aerobic, nonmotile, nonspore-forming, and rod-shaped bacterial strain designated Gsoil 3017(T) was isolated from soil of ginseng field and investigated by phenotypic and phylogenetic analyses. Strain Gsoil 3017(T) grew at 10-37 °C (optimal growth at 30 °C) and at pH 5.5-8.0 (optimal growth at pH 7) on R2A and nutrient agar without additional NaCl as a supplement. Strain Gsoil 3017(T) possessed β-glucosidase activity, which was responsible for its ability to transform ginsenosides Rb1, Rc, and Rd (the three dominant active components of ginseng) to F2 and C-K, respectively...
August 18, 2017: Current Microbiology
https://www.readbyqxmd.com/read/28821946/quantitative-expression-analysis-of-spa-fnba-and-rsp-genes-in-staphylococcus-aureus-actively-associated-in-the-formation-of-biofilms
#5
Sthanikam Yeswanth, Abhijit Chaudhury, Potukuchi Venkata Gurunadha Krishna Sarma
In Staphylococcus aureus, adherence and secretory proteins play chief role in the formation of biofilms. This mode of growth exhibits resistance to a variety of antibiotics and spreads its infections. In the present study, secretary and adherence proteins, Protein-A, Fibronectin-binding protein-A (FnbA) and Rsp (a transcription regulator encoding proteolytic property) expression levels were evaluated at different stages of growth in S. aureus ATCC12600 a drug-sensitive strain and multidrug-resistant strains of S...
August 18, 2017: Current Microbiology
https://www.readbyqxmd.com/read/28821788/bioenergetic-adaptations-in-chemoresistant-ovarian-cancer-cells
#6
Sajad Dar, Jasdeep Chhina, Ismail Mert, Dhananjay Chitale, Thomas Buekers, Hareena Kaur, Shailendra Giri, Adnan Munkarah, Ramandeep Rattan
Earlier investigations have revealed that tumor cells undergo metabolic reprogramming and mainly derive their cellular energy from aerobic glycolysis rather than oxidative phosphorylation even in the presence of oxygen. However, recent studies have shown that certain cancer cells display increased oxidative phosphorylation or high metabolically active phenotype. Cellular bioenergetic profiling of 13 established and 12 patient derived ovarian cancer cell lines revealed significant bioenergetics diversity. The bioenergetics phenotype of ovarian cancer cell lines correlated with functional phenotypes of doubling time and oxidative stress...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821569/elevated-temperature-and-acclimation-time-affect-metabolic-performance-in-the-heavily-exploited-nile-perch-of-lake-victoria
#7
Elizabeth A Nyboer, Lauren J Chapman
Increasing water temperatures due to anthropogenic climate change are predicted to negatively impact the aerobic metabolic performance of aquatic ectotherms. Specifically, it has been hypothesized that thermal increases result in reductions in aerobic scope (AS), which lead to decreases in energy available for essential fitness and performance functions. Consequences of warming are anticipated to be especially severe for warm-adapted tropical species as they are thought to have narrow thermal windows and limited plasticity for coping with elevated temperatures...
August 18, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28821550/crystal-structure-of-the-tetr-family-repressor-alkx-from-dietzia-sp-dq12-45-1b-implicated-in-biodegradation-of-n-alkanes
#8
Jie-Liang Liang, Yuan Gao, Zheng He, Yong Nie, Meng Wang, Jing-Hong JiangYang, Xuejun C Zhang, Wen-Sheng Shu, Xiao-Lei Wu
n-Alkanes are ubiquitous in nature and are widely used by microorganisms as carbon sources. Alkane hydroxylation by alkane monooxygenases is a critical step in the aerobic biodegradation of n-alkanes, which plays important roles in natural alkane attenuation and is used in industrial and environmental applications. The alkane oxidation operon, alkW1-alkX, in an alkane-degrading strain Dietzia sp. DQ12-45-1b, is negatively auto-regulated by the TetR family repressor, AlkX, via a product positive feedback mechanism...
August 18, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28820950/combined-aerobic-and-resistance-exercise-training-for-improving-reproductive-function-in-infertile-men-a-randomized-controlled-trial
#9
Behzad Hajizadeh Maleki, Bakhtyar Tartibian
This randomized controlled trial was conducted to examine the effects of 24 weeks of combined aerobic and resistance exercise training on seminal markers of inflammation and oxidative stress as well as markers of male reproductive function and reproductive performance in infertile patients. Of a total of 1296 infertile patients (aged 25-40 years) who were screened, 556 were randomly assigned to exercise (EX, n = 278) and non-exercise (NON-EX, n = 278) groups. Semen samples were taken before, 12 and 24 weeks as well as 7 and 30 days post intervention...
August 18, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28820847/effectiveness-of-a-16-week-high-intensity-cardioresistance-training-program-in-adults
#10
Tina A Greenlee, Daniel R Greene, Nathan J Ward, Ginger E Reeser, Courtney M Allen, Nicholas W Baumgartner, Neal J Cohen, Arthur F Kramer, Charles H Hillman, Aron K Barbey
Greenlee, TA, Greene, DR, Ward, NJ, Reeser, GE, Allen, CM, Baumgartner, NW, Cohen, NJ, Kramer, AF, Hillman, CH, and Barbey, AK. Effectiveness of a 16-week high-intensity cardioresistance training program in adults. J Strength Cond Res 31(9): 2528-2541, 2017-The purpose of this study was to determine the efficacy of a novel, 16-week high-intensity cardioresistance training (HICRT) program on measures of aerobic fitness, agility, aerobic power, muscular endurance, lower-body explosive power, and self-reported activity level...
September 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28820127/mongoliimonas-terrestris-gen-nov-sp-nov-isolated-from-desert-soil
#11
Jiao Xi, Yu Wang, Xiaorong Yang, Yu Tao, Yufang Shao, Fuying Feng
A Gram-stain-negative, non-motile, aerobic, non-spore-forming, spherical bacterium (strain MIMtkB18T) was isolated from desert soil collected from part of a Mongolian Plateau, territory of Inner Mongolia, PR China. Cell growth could be observed at 20-45 °C (optimum at 40 °C), at a pH of 6-9 (optimum at pH 8.6) and in the presence of 0-1 % (w/v) NaCl (optimum 0 %). The genomic DNA G+C content was 69.6 mol%. 16S rRNA gene sequence analysis showed that strain MIMtkB18T was most closely related to Methylobrevis pamukkalensis PK2T (94...
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
#12
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/28820121/aureimonas-endophytica-sp-nov-a-novel-endophytic-bacterium-isolated-from-aegiceras-corniculatum
#13
Fei-Na Li, Li Tuo, Zhen Pan, Min Guo, Simon Ming-Yuen Lee, Li Chen, Lin Hu, Cheng-Hang Sun
A Gram-negative, motile, aerobic and coccoid rod-shaped bacterium, designated strain 2T4P-2-4T, was isolated from a piece of surface-sterilized bark of Aegiceras corniculatum collected from Cotai Ecological Zones in Macao, China, and tested by a polyphasic approach to clarify its taxonomic position. Strain 2T4P-2-4T grew optimally without NaCl at 28-30 °C, pH 7.0-8.0. The 16S rRNA gene sequence of strain 2T4P-2-4T had the highest similarity (96.2 %) to Aureimonas rubiginis CC-CFT034T. Phylogenetic analysis showed that the strain grouped with species of the genus Aureimonas...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28820120/spiribacter-aquaticus-sp-nov-a-novel-member-of-the-genus-spiribacter-isolated-from-a-saltern
#14
María José León, Borja Aldeguer-Riquelme, Josefa Antón, Cristina Sánchez-Porro, Antonio Ventosa
A moderately halophilic bacterium, designated strain SP30T, was isolated from a solar saltern located in Santa Pola, Alicante, on the East coast of Spain. It was a Gram-stain-negative, strictly aerobic bacterium, able to grow in 7.5-25 % (w/v) NaCl and optimally in 12.5 % (w/v) NaCl. Phylogenetic analyses, based on 16S rRNA gene sequences, showed that the novel isolate is a member of the genus Spiribacter, with the most closely related species being Spiribacter roseus SSL50T (99.9 % sequence similarity) and Spiribacter curvatus UAH-SP71T (99...
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
#15
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/28820118/arcobacter-haliotis-sp-nov-isolated-from-abalone-species-haliotis-gigantea
#16
Reiji Tanaka, Ilse Cleenwerck, Yukino Mizutani, Shunpei Iehata, Peter Bossier, Peter Vandamme
A Gram-negative, aerobic, polar-flagellated and rod-shaped, sometimes slightly curved bacterium, designated MA5T, was isolated from the gut of an abalone of the species Haliotis gigantea collected in Japan. Phylogenetic analyses based on 16S rRNA, gyrB, hsp60 and rpoB gene sequences placed strain MA5T in the genus Arcobacter in an independent phylogenetic line. Comparison of the 16S rRNA gene sequence of this strain with those of the type strains of the established Arcobacter species revealed A. nitrofigilis (95...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28820117/mucilaginibacter-rubeus-sp-nov-isolated-from-rhizosphere-soil
#17
Jie-Chao Wei, Le-Ni Sun, Zhuo-Xin Yuan, Xue-Ting Hou, En-Dong Yang, Yuan-Yuan Cao
A Gram-stain-negative, aerobic, non-motile, rod-shaped and non-spore-forming bacterium, designated EF23T, was isolated from rhizosphere soil of watermelon. Growth of strain EF23T was observed at 10-37 °C, at pH 5.0-9.0 and in the presence of 0-0.5 % (w/v) NaCl. Strain EF23T contained menaquinone 7 (MK-7) as the major isoprenoid quinone, and summed feature 3 (C16:1ω7c and/or iso-C15 : 0 2-OH), iso-C15 : 0, C16 : 0 and iso-C17 : 0 3-OH as the major fatty acids. Phosphatidylethanolamine was identified as the major polar lipid...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28820111/description-of-actinokineospora-acnipugnans-sp-nov-an-actinomycete-isolated-from-soil-showing-potential-uses-in-cosmetics
#18
Ram Hari Dahal, Dong Seop Shim, Jaisoo Kim
During isolation of soil bacteria having antibacterial functions, an aerobic, Gram-stain-positive, oxidase-negative, catalase-positive bacterium, designated strain R434T, was isolated. Strain R434T showed antimicrobial activity against Propionibacterium acnes and Staphylococcus epidermidis and significant enzyme-inhibitory capability. The diagnostic diamino acid of the cell-wall peptidoglycan was meso-diaminopimelic acid, and the whole-cell sugars were galactose, arabinose and glucose. Phylogenetic analysis based on the 16S rRNA gene sequence revealed that strain R434T formed a lineage within the family Pseudonocardiaceae...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28820110/flavivirga-eckloniae-sp-nov-and-flavivirga-aquimarina-sp-nov-isolated-from-seaweed-ecklonia-cava
#19
Ji Hee Lee, Joo Won Kang, Han Na Choe, Chi Nam Seong
Two Gram-stain-negative, non-spore-forming, rod-shaped, aerobic and yellow-coloured bacterial strains, designated strains ECD14T and EC2D5T, were isolated from a seaweed Eckloniacava. The isolates required sea salts for growth. Flexirubin-type and carotenoid pigment was produced. The 16S rRNA gene sequence similarity between the two new strains was 95.5 %. Flavivirga amylovorans JC2681T was the nearest neighbour of strains ECD14T and EC2D5T with 96.5 and 96.8 % 16S rRNA gene sequence similarity, respectively...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28820108/nakamurella-intestinalis-sp-nov-isolated-from-the-faeces-of-pseudorhynchus-japonicus
#20
Soo-Jin Kim, Hayoung Cho, Jae-Ho Joa, Moriyuki Hamada, Jae-Hyung Ahn, Hang-Yeon Weon, Soon-Wo Kwon
One strain, designated 63MJ-1T, was isolated from fresh faeces of broad-winged katydids collected in Jinan-gun, Jeollabuk-do, the Republic of Korea. The organism stained Gram-positive and was an aerobic, non-flagellated and short-rod-shaped bacterium. The organism grew in the range of 4-35 °C (optimum, 28-30 °C) and pH 6.0-9.0 (optimum, pH 7.0), and in the presence of 5 % NaCl (w/v), but not in media containing 7 % NaCl. According to the 16S rRNA gene sequence analysis, strain 63MJ-1T showed the highest sequence similarities with Nakamurella panacisegetis P4-7T (95...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
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