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https://www.readbyqxmd.com/read/28812152/native-arbuscular-mycorrhizal-symbiosis-alters-foliar-bacterial-community-composition
#1
Anbu Poosakkannu, Riitta Nissinen, Minna-Maarit Kytöviita
The effects of arbuscular mycorrhizal (AM) fungi on plant-associated microbes are poorly known. We tested the hypothesis that colonization by an AM fungus affects microbial species richness and microbial community composition of host plant tissues. We grew the grass, Deschampsia flexuosa in a greenhouse with or without the native AM fungus, Claroideoglomus etunicatum. We divided clonally produced tillers into two parts: one inoculated with AM fungus spores and one without AM fungus inoculation (non-mycorrhizal, NM)...
August 15, 2017: Mycorrhiza
https://www.readbyqxmd.com/read/28811503/lacrimal-gland-repair-after-short-term-obstruction-of-excretory-duct-in-rabbits
#2
Hui Lin, Ying Liu, Hong He, Benjamin Botsford, Samuel Yiu
Aqueous tear-deficient dry eye is a multifactorial chronic disorder in which the lacrimal glands fail to produce enough tears to maintain a healthy ocular surface. The existence of lacrimal gland stem/progenitor cells was proposed in several species, yet their origin and characteristics are not very clear. Here, we investigated the presence of resident progenitor cells and their regenerative potential in a rabbit model with lacrimal gland main excretory duct ligation-induced injury. The ligation-injured lacrimal glands temporarily decreased in weight and had impaired tear secretion...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28810549/dexmedetomidine-preconditioning-protects-against-lung-injury-induced-by-ischemia-reperfusion-through-inhibition-of-autophagy
#3
Wei Zhang, Jiaqiang Zhang
The present study aimed to evaluate the role of autophagy in the protective effect of dexmedetomidine in lung injury caused by ischemia-reperfusion (IR) in rats. In total 48 adult male Sprague-Dawley rats were randomly divided into 6 groups (n=8) as follows: i) Sham group; ii) the IR group; iii) IR + 1 µg/kg dexmedetomidine preconditioning group (pre-LD); iv) IR + 10 µg/kg dexmedetomidine preconditioning group (pre-HD); v) IR + 1 µg/kg dexmedetomidine postconditioning group (post-LD); and vi) IR + 10 µg/kg dexmedetomidine postconditioning group (post-HD)...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28809446/deferasirox-for-managing-iron-overload-in-people-with-thalassaemia
#4
REVIEW
Claudia Bollig, Lisa K Schell, Gerta Rücker, Roman Allert, Edith Motschall, Charlotte M Niemeyer, Dirk Bassler, Joerg J Meerpohl
BACKGROUND: Thalassaemia is a hereditary anaemia due to ineffective erythropoiesis. In particular, people with thalassaemia major develop secondary iron overload resulting from regular red blood cell transfusions. Iron chelation therapy is needed to prevent long-term complications.Both deferoxamine and deferiprone are effective; however, a review of the effectiveness and safety of the newer oral chelator deferasirox in people with thalassaemia is needed. OBJECTIVES: To assess the effectiveness and safety of oral deferasirox in people with thalassaemia and iron overload...
August 15, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28808815/physiological-responses-and-antioxidant-enzyme-changes-in-sulla-coronaria-inoculated-by-cadmium-resistant-bacteria
#5
Manel Chiboub, Salwa Harzalli Jebara, Omar Saadani, Imen Challougui Fatnassi, Souhir Abdelkerim, Moez Jebara
Plant growth promoting bacteria (PGPB) may help to reduce the toxicity of heavy metals on plants growing in polluted soils. In this work, Sulla coronaria inoculated with four Cd resistant bacteria (two Pseudomonas spp. and two Rhizobium sullae) were cultivated in hydroponic conditions treated by Cd; long time treatment 50 µM CdCl2 for 30 days and short time treatment; 100 µM CdCl2 for 7 days. Results showed that inoculation with Cd resistant PGPB enhanced plant biomass, thus shoot and root dry weights of control plants were enhanced by 148 and 35% respectively after 7 days...
August 14, 2017: Journal of Plant Research
https://www.readbyqxmd.com/read/28807451/the-137-cs-activity-concentration-of-suspended-and-dissolved-fractions-in-irrigation-waters-collected-from-the-80%C3%A2-km-zone-around-tepco-s-fukushima-daiichi-nuclear-power-station
#6
Hirofumi Tsukada, Satoshi Nihira, Takashi Watanabe, Satoru Takeda
Fifty-four samples of irrigation water were collected in 2014 from agricultural ponds, rivers, and dams within the 80 km zone around TEPCO's Fukushima Daiichi Nuclear Power Station (FDNPS). The samples were filtered with a 0.45 μm pore-size membrane filter to produce suspended and dissolved fractions. The (137)Cs activity concentration of the suspended fraction varied from 1.5 to 300 Bq g(-1) dry weight and was significantly higher than that in the soil around each sampling site. The range of (137)Cs activity concentrations in the dissolved fraction varied over three orders of magnitude at 0...
August 11, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28807219/effects-of-p38-mitogen-activated-protein-kinase-on-lung-ischemia-reperfusion-injury-in-diabetic-rats
#7
Linlin Song, Di Li, Juan Wang, Chao Meng, Xiaoguang Cui
BACKGROUND: Lung ischemia-reperfusion injury (LIRI) is a pathologic process that is observed in several clinical conditions, and p38 mitogen-activated protein kinase (MAPK) is involved. Diabetes mellitus (DM) results in an increased incidence of ischemia-induced organ damage. The aims of this study were to examine the effects of DM on LIRI in a rat model of DM and to explore the possible mechanisms in relation to the p38 MAPK pathway. METHODS: Forty rats were randomly divided into the following five groups (n = 8 each): a control + sham group, a control + IR group (CIR), a DM + sham group, a DM + IR group (DIR), and a DM + IR + SB203580 group...
August 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28807084/linseed-plus-nitrate-in-the-diet-for-fattening-bulls-effects-on-methane-emission-animal-health-and-residues-in-offal
#8
M Doreau, M Arbre, M Popova, Y Rochette, C Martin
The combination of linseed and nitrate is known to decrease enteric methane emission in dairy cows but few studies have been carried out in fattening cattle for animal liveweight gain, enteric methane emission, animal health and presence of residues in beef products. To address this gap, 16 young bulls received a control (C) diet between weaning at 9 months and 14 months, then were split into two groups of eight balanced on feed intake, BW gain and methane emission to receive either the C diet or a diet moderately supplemented with extruded linseed and calcium nitrate (LN) for 2 months before being slaughtered...
August 15, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28806650/floating-rice-culture-system-for-nutrient-remediation-and-feed-production-in-a-eutrophic-lake
#9
Ankita Srivastava, Seong-Jun Chun, So-Ra Ko, Junhwan Kim, Chi-Yong Ahn, Hee-Mock Oh
The increased inputs of nutrients have been demonstrated to be a major contributing factor to the eutrophication of lakes and reservoirs which can lead to the production of harmful algal/cyanobacterial blooms and deleteriously affect the aesthetics of water-bodies. Floating plant-culture systems have been widely used for the ecological remediation of eutrophic water in a cost-effective manner. We investigated the applicability of Korean japonica rice variety 'Nampyeong' in a floating-culture system in a eutrophic lake for nutrient uptake and biomass production...
August 11, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28805924/measures-of-lamb-production-efficiency-in-a-temperate-grass-based-system-differing-in-ewe-prolificacy-potential-and-stocking-rate
#10
E Earle, T M Boland, N McHugh, P Creighton
The objective of this study was to quantify the effects of ewe prolificacy potential (PP; predicted number of lambs born ewe yr), as dictated by sire breed type, and stocking rate (SR; ewes ha) on ewe production efficiency (kg lamb live weight weaned:kg ewe live weight mated), lamb growth, lamb carcass output, and dry matter (DM; kg) and energy (UFL; unit of energy kg DM) consumption (in the form of both grazed and conserved herbage, concentrate supplementation, and total) in a temperate grass-based lamb production system...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28805885/effects-of-steeped-or-fermented-distillers-dried-grains-with-solubles-on-growth-performance-in-weanling-pigs
#11
M Wiseman, B McBride, J Li, D Wey, J Zhu, C F M de Lange
Coproduct feeding value may be improved by enzyme and microbial inoculant treatment in liquid diets. Three experiments were conducted to assess growth performance in newly weaned 20-d-old pigs fed corn- and soybean meal-based diets with untreated, steeped, or partially fermented distillers dried grains with solubles (DDGS) from day of weaning. In Exp. 1, conventionally dry fed diets with untreated DDGS (DDGS) or without DDGS (Control) were fed. In Exp. 2, liquid diets (25% DM [75% moisture]) were fed with enzymes (β-glucanase and xylanase at 67...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28805683/analysis-and-comparison-of-the-antioxidant-component-of-portulaca-oleracea-leaves-obtained-by-different-solid-liquid-extraction-techniques
#12
Monica Gallo, Esterina Conte, Daniele Naviglio
Portulaca oleracea is a wild plant pest of orchards and gardens, but is also an edible vegetable rich in beneficial nutrients. It possesses many antioxidant properties due to the high content of vitamins, minerals, omega-3 essential fatty acids and other healthful compounds; therefore, the intake of purslane and/or its bioactive compounds could help to improve the health and function of the whole human organism. Accordingly, in this work it was analyzed and compared to the extractive capacity of the antioxidant component of purslane leaves obtained by solid-liquid extraction techniques such as: hot-maceration, maceration with ultrasound, rapid solid-liquid dynamic extraction using the Naviglio extractor, and a combination of two techniques (mix extraction)...
August 12, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28805380/evaluating-the-antibacterial-properties-of-polyacetylene-and-glucosinolate-compounds-with-further-identification-of-their-presence-within-various-carrot-daucus-carota-and-broccoli-brassica-oleracea-cultivars-using-high-performance-liquid-chromatography-with
#13
L Hinds, O Kenny, M B Hossain, D Walsh, E Sheehy, P Evans, M Gaffney, D K Rai
Ongoing consumer concerns over using synthetic additives in foods has strongly influenced efforts worldwide to source suitable natural alternatives. In this study, the antibacterial efficacy of polyacetylene and glucosinolate compounds was evaluated against both Gram positive and Gram negative bacterial strains. Falcarinol [minimum inhibitory concentration (MIC) = 18.8-37.6 μg/mL] demonstrated the best overall antibacterial activity, while sinigrin (MIC = 46.9-62.5 μg/mL) was the most active glucosinolate compound...
August 14, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28804810/assessing-the-phytoavailability-of-arsenic-and-phosphorus-to-corn-plant-after-the-addition-of-an-acrylic-copolymer-to-polluted-soils
#14
Tahereh Mansouri, Ahmad Golchin, Hossein Kouhestani
Soil pollution by arsenic increases the potential risk of arsenic entrance into the food chain. The usefulness of maleic anhydride- styrene- acrylic acid copolymer on the mobility and phytoavailability of arsenic was evaluated. Treatments were the concentrations of acrylic copolymer (0, 0.05, 0.10, and 0.20% w/w) and the concentrations of soil total arsenic (0, 6, 12, 24, 48, and 96 mg kg(-1)). Sodium arsenate was added in appropriate amounts to subsamples of an uncontaminated soil to give contaminated soils with different levels of arsenic...
August 13, 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28803369/volume-balance-and-intradialytic-ultrafiltration-rate-in-the-hemodialysis-patient
#15
REVIEW
Jason A Chou, Kamyar Kalantar-Zadeh
PURPOSE OF REVIEW: Volume management in hemodialysis patients is often challenging. Assessing volume status and deciding how much fluid to remove during hemodialysis, the so-called ultrafiltration rate (UFR), has remained a conundrum. RECENT FINDINGS: To date there is no objective assessment tool to determine the needed UFR during each hemodialysis session. Higher volume overload or higher UFR is associated with poor outcomes including worse mortality and unfavorable clinical outcomes...
August 12, 2017: Current Heart Failure Reports
https://www.readbyqxmd.com/read/28803103/engineering-halomonas-bluephagenesis-td01-for-non-sterile-production-of-poly-3-hydroxybutyrate-co-4-hydroxybutyrate
#16
Xiangbin Chen, Jin Yin, Jianwen Ye, Haoqian Zhang, Xuemei Che, Yiming Ma, Mengyi Li, Lin-Ping Wu, Guo-Qiang Chen
Poly(3-hydroxybutyrate-co-4-hydroxybutyrate), short as P(3HB-co-4HB), was successfully produced by engineered Halomonas bluephagenesis TD01 grown in glucose and γ-butyrolactone under open non-sterile conditions. Gene orfZ encoding 4HB-CoA transferase of Clostridium kluyveri was integrated into the genome to achieve P(3HB-co-4HB) accumulation comparable to that of strains encoding orfZ on plasmids. Fed-batch cultivations conducted in 1-L and 7-L fermentors, respectively, resulted in over 70g/L cell dry weight (CDW) containing 63% P(3HB-co-12mol% 4HB) after 48h under non-sterile conditions...
July 27, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28803021/effect-of-dietary-supplementation-with-heat-treated-canola-meal-on-ruminal-nutrient-metabolism-in-lactating-dairy-cows
#17
S J Krizsan, H Gidlund, F Fatehi, P Huhtanen
An experiment was conducted to quantify the effects of incremental levels of heat-moisture-treated canola meal (TCM) fed to dairy cows on the relationship between ruminal nutrient digestion and milk production. Experimental diets were fed to 4 multiparous rumen-cannulated Nordic Red cows, averaging (mean ± standard deviation) 681 ± 54.8 kg of body weight, 111 ± 16 d in milk, and 29.1 ± 9.1 kg of milk/d at the start of the study, in a Latin square design with four 21-d periods. The 4 experimental dietary treatments consisted of a basal diet of grass silage and crimped barley, and 3 diets in which the crimped barley was replaced with TCM, giving 3 incremental levels of protein supplementation...
August 9, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28803009/involvement-of-plasma-adipokines-in-metabolic-and-reproductive-parameters-in-holstein-dairy-cows-fed-with-diets-with-differing-energy-levels
#18
N Mellouk, C Rame, J L Touzé, E Briant, L Ma, D Guillaume, D Lomet, A Caraty, T Ntallaris, P Humblot, J Dupont
This study aimed to investigate the association between plasma adipokine concentrations and metabolic and reproductive parameters in Holstein dairy cows fed diets with different energy levels during the peripartum period. The experiment started 1 mo before first calving and was maintained for 2 lactations. Dry matter intake and energy balance in animals fed a low-energy (LE) diet were significantly lower than that of animals fed a high-energy (HE) diet in the first lactation. Body weight, milk production, back fat thickness, and plasma concentrations of fatty acids, glucose, and insulin were not affected by diet, whereas plasma leptin and adiponectin concentrations were lower and plasma resistin concentrations higher in animals fed the LE diet...
August 9, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28801706/seasonal-distribution-source-identification-and-toxicological-risk-assessment-of-polycyclic-aromatic-hydrocarbons-pahs-in-sediments-from-wadi-el-bey-watershed-in-tunisia
#19
Imen Gdara, Ines Zrafi, Catia Balducci, Angelo Cecinato, Ahmed Ghrabi
Surface sediments were collected from the Watershed of Wadi El Bey in Tunisia to evaluate the degree of polycyclic aromatic hydrocarbons (PAHs) contamination. Sediments were collected during different seasons in 14 sites that received wastes from domestic effluent, industrial discharge, and agricultural drainage wastes. Twenty-six individual PAHs were analyzed. The total PAH contents (Σ PAHs) in surface sediments showed wide variability, ranging from 6.89 ± 0.05 to 340 ± 0.1 ng g(-1). The 4-, 5-, and 6-ring compounds were the most abundant PAHs detected at the majority of sites...
August 11, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28799860/mutations-in-leptin-lep-gene-are-associated-with-carcass-and-meat-quality-traits-in-crossbreed-rabbits
#20
Lukasz Migdal, Konrad Koziol, Sylwia Palka, Wladyslaw Migdal, Tomasz Zabek, Agnieszka Otwinowska-Mindur, Anna Migdal, Michal Kmiecik, Dorota Maj, Jozef Bieniek
Leptin is a hormone synthesized and secreted primarily in adipose cells that help to regulate energy balance. This study examined the associations of single nucleotide polymorphisms in the rabbit leptin gene with growth traits, slaughter traits and physicochemical parameters of New Zealand White (NZW) and Belgian Giant Grey (BGG) crossbreed rabbits. In total, 320 crossbreed animals were genotyped for polymorphisms within exon 2-g.16081633T>C, intron 1_2-g.16081420C>T, and within UTR-g.16079636C>G for association analysis...
August 11, 2017: Animal Biotechnology
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