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https://www.readbyqxmd.com/read/28214935/promotive-role-of-5-aminolevulinic-acid-on-chromium-induced-morphological-photosynthetic-and-oxidative-changes-in-cauliflower-brassica-oleracea-botrytis-l
#1
Rehan Ahmad, Shafaqat Ali, Fakhir Hannan, Muhammad Rizwan, Muhammad Iqbal, Zaidul Hassan, Nudrat Aisha Akram, Saliha Maqbool, Farhat Abbas
Chromium (Cr) is among the most toxic pollutants in the environment that adversely affect the living organisms and physiological processes in different plants. The present study investigated the effect of 15 mg L(-1) of 5-aminolevulinic acid (ALA) on morpho-physiological attributes of cauliflower (Brassica oleracea botrytis L.) under different Cr concentrations (0, 10, 100, and 200 μM) in the growth medium. The results showed that Cr stress decreased the growth, biomass, photosynthetic, and gas exchange parameters...
February 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28214919/grapevine-acclimation-to-water-deficit-the-adjustment-of-stomatal-and-hydraulic-conductance-differs-from-petiole-embolism-vulnerability
#2
Uri Hochberg, Andrea Giulia Bonel, Rakefet David-Schwartz, Asfaw Degu, Aaron Fait, Hervé Cochard, Enrico Peterlunger, Jose Carlos Herrera
Drought-acclimated vines maintained higher gas exchange compared to irrigated controls under water deficit; this effect is associated with modified leaf turgor but not with improved petiole vulnerability to cavitation. A key feature for the prosperity of plants under changing environments is the plasticity of their hydraulic system. In the present research we studied the hydraulic regulation in grapevines (Vitis vinifera L.) that were first acclimated for 39 days to well-watered (WW), sustained water deficit (SD), or transient-cycles of dehydration-rehydration-water deficit (TD) conditions, and then subjected to varying degrees of drought...
February 18, 2017: Planta
https://www.readbyqxmd.com/read/28214713/comparative-analysis-of-metagenomes-of-italian-top-soil-improvers
#3
Federica Gigliucci, Gianfranco Brambilla, Rosangela Tozzoli, Valeria Michelacci, Stefano Morabito
Biosolids originating from Municipal Waste Water Treatment Plants are proposed as top soil improvers (TSI) for their beneficial input of organic carbon on agriculture lands. Their use to amend soil is controversial, as it may lead to the presence of emerging hazards of anthropogenic or animal origin in the environment devoted to food production. In this study, we used a shotgun metagenomics sequencing as a tool to perform a characterization of the hazards related with the TSIs. The samples showed the presence of many virulence genes associated to different diarrheagenic E...
February 16, 2017: Environmental Research
https://www.readbyqxmd.com/read/28214690/safety-and-efficacy-of-a-polyherbal-formulation-for-the-management-of-dyslipidemia-and-hyperglycemia-in-patients-with-advanced-stage-of-type-2-diabetes
#4
Mahdi Zarvandi, Hassan Rakhshandeh, Mohammad Abazari, Reza Shafiee-Nick, Ahmad Ghorbani
The present clinical trial was designed to evaluate the safety and efficacy of a polyherbal formulation (PHF) consisted of Allium sativum, Aloe vera, Nigella sativa, Plantago psyllium, Silybum marianum and Trigonella foenum-graecum for controlling dyslipidemia and hyperglycemia in patients with advanced-stage of type-2 diabetes. An open-label phase I trial was carried out on 30 patients who had hyperlipidemia and hyperglycemia before the beginning of the trial in spite of receiving statins and oral hypoglycemic drugs...
February 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28214685/role-of-laxative-and-antioxidant-properties-of-malva-sylvestris-leaves-in-constipation-treatment
#5
Mohamed-Amine Jabri, Dalanda Wannes, Najla Hajji, Mohsen Sakly, Lamjed Marzouki, Hichem Sebai
INTRODUCTION: Mallaw (Malva sylvestris L.) is a medicinal plant who is traditionally being used as an antiulcer, laxative and anti-hemorrhoid, besides of its culinary use as a food in Tunisian cuisine. The present study was carried out to evaluate the protective effect of Malva sylvestris aqueous extract (MSAE) on constipation- induced by loperamide in male Wistar rats. METHODS: Rats were divided into six groups of six animals each: Control, Loperamide (LOP), LOP+ yohimbine (2mg/kg b...
February 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28214647/fate-of-antimicrobials-in-duckweed-lemna-minor-wastewater-treatment-systems
#6
Evangelia I Iatrou, Georgia Gatidou, Dimitrios Damalas, Nikolaos S Thomaidis, Athanasios S Stasinakis
The fate of four antimicrobials (cefadroxil, CFD; metronidazole, METRO; trimethoprim, TRI; sulfamethoxazole, SMX) was studied in Lemna minor systems and the role of different mechanisms on their removal was evaluated. All micropollutants were significantly removed in batch experiments with active Lemna minor; the highest removal was observed for CFD (100% in 14 d), followed by METRO (96%), SMX (73%) and TRI (59%) during 24 d of the experiment. Calculation of kinetic constants for hydrolysis, photodegradation, sorption to biomass and plant uptake revealed significant differences depending on the compound and the studied mechanism...
February 13, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28214398/effects-of-recirculation-in-a-three-tank-pilot-scale-system-for-pharmaceutical-removal-with-powdered-activated-carbon
#7
Victor Kårelid, Gen Larsson, Berndt Björlenius
The removal of pharmaceutically active compounds by powdered activated carbon (PAC) in municipal wastewater is a promising solution to the problem of polluted recipient waters. Today, an efficient design strategy is however lacking with regard to high-level overall, and specific, substance removal in the large scale. The performance of PAC-based removal of pharmaceuticals was studied in pilot-scale with respect to the critical parameters; contact time and PAC dose using one PAC product selected by screening in bench-scale...
February 15, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28214376/sensitive-quantification-of-coixol-a-potent-insulin-secretagogue-in-scoparia-dulcis-extract-using-high-performance-liquid-chromatography-combined-with-tandem-mass-spectrometry-and-uv-detection
#8
Arslan Ali, Faraz Ul Haq, Qamar Ul Arfeen, Khaga Raj Sharma, Achyut Adhikari, Syed Ghulam Musharraf
Diabetes is a major global health problem which requires new studies for its prevention and control. Scoparia dulcis, an herbal product, is widely used for treatment of diabetes. Recent studies demonstrate coixol as a potent and non-toxic insulin secretagogue from S. dulcis. This study focuses on developing two quantitative methods of coixol in Scoparia dulcis methanol-based extracts. Quantification of coixol was performed using high performance liquid chromatography-tandem mass spectrometry (method 1) and high performance liquid chromatography-ultraviolet detection (method 2) with limit of detection of 0...
February 18, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28214356/comparative-analysis-of-the-transcriptional-responses-to-low-and-high-temperature-in-three-rice-planthopper-species
#9
Hai-Jian Huang, Jian Xue, Ji-Chong Zhuo, Ruo-Lin Cheng, Hai-Jun Xu, Chuan-Xi Zhang
The brown planthopper (Nilaparvata lugens, BPH), white-backed planthopper (Sogatella furcifera, WBPH), and small brown planthopper (Laodelphax striatellus, SBPH) are important rice pests in Asia. These three species differ in thermal tolerance and exhibit quite different migration and overwintering strategies. To understand the underlying mechanisms, we sequenced and compared the transcriptome of the three species under different temperature treatments. We found that metabolism-, exoskeleton-, and chemosensory-related genes were modulated...
February 18, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28214122/anaerobic-co-digestion-of-recalcitrant-agricultural-wastes-characterizing-of-biochemical-parameters-of-digestate-and-its-impacts-on-soil-ecosystem
#10
Adele Muscolo, Giovanna Settineri, Teresa Papalia, Emilio Attinà, Carmelo Basile, Maria Rosaria Panuccio
Anaerobic digestion (AD) of organic wastes is a promising alternative to landfilling for reducing Greenhouse Gas Emission (GHG) and it is encouraged by current regulation in Europe. Biogas-AD produced, represents a useful source of green energy, while its by-product (digestate) is a waste, that needs to be safely disposal. The sustainability of anaerobic digestion plants partly depends on the management of their digestion residues. This study has been focused on the environmental and economic benefits of co-digest recalcitrant agricultural wastes such olive wastes and citrus pulp, in combination with livestock wastes, straw and cheese whey for biogas production...
February 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28214114/effects-of-salvage-logging-on-soil-properties-and-vegetation-recovery-in-a-fire-affected-mediterranean-forest-a-two-year-monitoring-research
#11
F García-Orenes, V Arcenegui, K Chrenková, J Mataix-Solera, J Moltó, A B Jara-Navarro, M P Torres
Post-fire management can have an additional impact on the ecosystem; in some cases, even more severe than the fire. Salvage logging (SL) is a common practice in most fire-affected areas. The management of burnt wood can determine microclimatic conditions and seriously affect soil properties. In some cases, the way of doing it, using heavy machinery, and the vulnerability of soils to erosion and degradation can make this management potentially aggressive to soil. Research was done in "Sierra de Mariola Natural Park" (E Spain)...
February 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28213735/microalgae-based-advanced-municipal-wastewater-treatment-for-reuse-in-water-bodies
#12
REVIEW
Jing-Han Wang, Tian-Yuan Zhang, Guo-Hua Dao, Xue-Qiao Xu, Xiao-Xiong Wang, Hong -Ying Hu
Reuse of secondary municipal effluent from wastewater treatment plants in water bodies could effectively alleviate freshwater resource shortage. However, excessive nutrients must be efficiently removed to prevent eutrophication. Compared with other means of advanced wastewater treatment, microalgae-based processes display overwhelming advantages including efficient and simultaneous N and P removal, no requirement of additional chemicals, O2 generation, CO2 mitigation, and potential value-added products from harvested biomass...
February 17, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28213708/removal-mechanisms-for-extremely-high-level-fluoroquinolone-antibiotics-in-pharmaceutical-wastewater-treatment-plants
#13
Xinyan Guo, Zheng Yan, Yi Zhang, Xiangji Kong, Deyang Kong, Zhengjun Shan, Na Wang
Pharmaceutical wastewater treatment plants (PWWTPs) receive industrial effluents from the plant that contain extremely high levels of antibiotics and are regarded as one of the major sources of antibiotics in the environment. Two PWWTPs have been selected in Zhejiang Province, China, to assess the removal mechanisms of fluoroquinolone antibiotics (FQs). PWWTP A uses activated sludge with biocarriers in a moving bed biofilm reactor in anoxic and aerobic units, and PWWTP B uses biological units under anaerobic, aerobic, and anoxic conditions...
February 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28213701/ursolic-acid-mediated-changes-in-glycolytic-pathway-promote-cytotoxic-autophagy-and-apoptosis-in-phenotypically-different-breast-cancer-cells
#14
Anna Lewinska, Jagoda Adamczyk-Grochala, Ewa Kwasniewicz, Anna Deregowska, Maciej Wnuk
Plant-derived pentacyclic triterpenotids with multiple biological activities are considered as promising candidates for cancer therapy and prevention. However, their mechanisms of action are not fully understood. In the present study, we have analyzed the effects of low dose treatment (5-20 µM) of ursolic acid (UA) and betulinic acid (BA) on breast cancer cells of different receptor status, namely MCF-7 (ER(+), PR(+/-), HER2(-)), MDA-MB-231 (ER(-), PR(-), HER2(-)) and SK-BR-3 (ER(-), PR(-), HER2(+)). UA-mediated response was more potent than BA-mediated response...
February 17, 2017: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/28213335/transformation-products-of-clindamycin-in-moving-bed-biofilm-reactor-mbbr
#15
Gordon T H Ooi, Monica Escola Casas, Henrik R Andersen, Kai Bester
Clindamycin is widely prescribed for its ability to treat a number of common bacterial infections. Thus, clindamycin enters wastewater via human excretion or disposal of unused medication and widespread detection of pharmaceuticals in rivers proves the insufficiency of conventional wastewater treatment plants in removing clindamycin. Recently, it has been discovered that attached biofilm reactors, e.g., moving bed biofilm reactors (MBBRs) obtain a higher removal of pharmaceuticals than conventional sludge wastewater treatment plants...
February 2, 2017: Water Research
https://www.readbyqxmd.com/read/28213320/comparative-analysis-of-mosquito-diptera-culicidae-aedes-aegypti-liston-responses-to-the-insecticide-temephos-and-plant-derived-essential-oil-derived-from-piper-betle-l
#16
Prabhakaran Vasantha-Srinivasan, Sengottayan Senthil-Nathan, Athirstam Ponsankar, Annamalai Thanigaivel, Edward-Sam Edwin, Selvaraj Selin-Rani, Muthiah Chellappandian, Venkatraman Pradeepa, Jalasteen Lija-Escaline, Kandaswamy Kalaivani, Wayne B Hunter, Veeramuthu Duraipandiyan, Naif Abdullah Al-Dhabi
Resistance to treatments with Temephos or plant derived oil, Pb-CVO, between a field collected Wild Strain (WS) and a susceptible Laboratory Strain (LS) of Ae. aegypti were measured. The Temephos (0.1mg/L) showed the greatest percentage of mosquito mortality compared to Pb-CVO (1.5mg/L) in LS Ae. aegypti. However, WS Ae. aegypti was not significantly affected by Temephos (0.1mg/L) treatment compare to the Pb-CVO (1.5mg/L). However, both strains (LS and WS) when treated with Pb-CVO (1.5mg/L) displayed steady larval mortality rate across all instars...
February 14, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28213306/phosphorous-extractability-and-ryegrass-availability-from-bio-waste-composts-in-a-calcareous-soil
#17
Marco Grigatti, Elisa Boanini, Silvia Mancarella, Andrea Simoni, Massimo Centemero, Adrie H M Veeken
In this work four stable bio-waste composts (C1, C2, C3, C4) were selected on the basis of their increasing water soluble P (H2O-P). The P speciation was assessed via sequential chemical extraction (SCE) on the same products. Moreover, the plant-available P was assessed via apparent recovery fraction approach (ARF) in a pot test on ryegrass over 21 weeks at 15 mg P kg(-)(1) of soil. An inorganic P source (P-chem) was added as a reference at the same P rate in addition to a non-fertilized control (Control)...
February 6, 2017: Chemosphere
https://www.readbyqxmd.com/read/28213269/protective-effects-of-morin-on-lipopolysaccharide-d-galactosamine-induced-acute-liver-injury-by-inhibiting-tlr4-nf-%C3%AE%C2%BAb-and-activating-nrf2-ho-1-signaling-pathways
#18
Ye Tian, Zheng Li, Bingyu Shen, Qiaoling Zhang, Haihua Feng
Morin, a bioactive flavonoid extracted from the bark of Moraceae plants and many medicinal herbs, has anti-inflammatory and antioxidative effects. In this research, we explored the protective effects of morin against lipopolysaccharide (LPS) and d-galactosamine (D-GalN) induced acute liver injury in mice. Mice were given an intraperitoneal injection of morin before LPS and D-GalN treatment and the HepG2 cells were only given morin to investigate its effects. The results showed that morin markedly inhibited the production of serum alanine transaminase (ALT), aspartate aminotransferase (AST), interleukin-6 (IL-6), tumor necrosis factor (TNF-α) and hepatic TNF-α, IL-6, and myeloperoxidase (MPO) induced by LPS/D-GalN...
February 14, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28213108/intestinal-transport-and-absorption-of-bioactive-phenolic-compounds-from-a-chemically-characterized-aqueous-extract-of-athrixia-phylicoides
#19
Sandra L Bowles, Yonela Ntamo, Christiaan J Malherbe, Abidemi M P Kappo, Johan Louw, Christo J F Muller
ETHNOPHARMACOLOGICAL RELEVANCE: Athrixia phylicoides (A. phylicoides), popularly known as "bush tea", is an indigenous aromatic shrub found in mountainous and grassland areas of the northern and eastern parts of southern Africa. The plant is traditionally used for the treatment of several ailments, including coughing, treating infected wounds, treating boils and sore throat, hypertension and heart disease. Potential anti-diabetic effects have also been demonstrated in vitro. AIM OF THE STUDY: To investigate the intestinal transport of prominent phenolic constituents, across a fully differentiated Caco-2 monolayer, using a characterized aqueous extract of A...
February 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28213104/isolation-and-characterization-of-a-virulent-bacteriophage-infecting-acinetobacter-johnsonii-from-activated-sludge
#20
Niansi Fan, Rong Qi, Min Yang
A double-stranded DNA phage named AJO1, infecting Acinetobacter johnsonii, which plays an important role in wastewater treatment, was isolated from activated sludge in a full-scale municipal wastewater treatment plant. Based on morphological taxonomy, AJO1, with an icosahedral head 55 ± 2 nm in diameter and a non-contractile tail 8 ± 2 nm in length, was classified as a member of the Podoviridae family. Bacterial infection characteristics were as follows: no polyvalent infectivity, optimal multiplicity of infection of 10(-2); eclipse and burst size of 30 min and 51...
February 14, 2017: Research in Microbiology
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