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https://www.readbyqxmd.com/read/28803155/assisted-phytoremediation-of-a-multi-contaminated-soil-investigation-on-arsenic-and-lead-combined-mobilization-and-removal
#1
Meri Barbafieri, Francesca Pedron, Gianniantonio Petruzzelli, Irene Rosellini, Elisabetta Franchi, Roberto Bagatin, Marco Vocciante
The removal of contaminants from an earthy matrix by phytoremediation requires the selection of appropriate plant species and a suitable strategy to be effective. In order to set up an assisted phytoremediation intervention related to a disused industrial site affected by an arsenic and lead complex contamination, an extensive experimental investigation on micro and mesocosm scale has been conducted. Particular attention was given to the choice of plant species: using crop plants (Lupinus albus, Helianthus annuus and Brassica juncea) a series of parallel test campaigns have been realized to investigate different scenarios for the reclamation...
August 10, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28797073/assessment-of-veterinary-drugs-in-plants-using-pharmacokinetic-approaches-the-absorption-distribution-and-elimination-of-tetracycline-and-sulfamethoxazole-in-ephemeral-vegetables
#2
Hui-Ru Chen, Tirawat Rairat, Shih-Hurng Loh, Yu-Chieh Wu, Thomas W Vickroy, Chi-Chung Chou
The present study was carried out to demonstrate novel use of pharmacokinetic approaches to characterize drug behaviors/movements in the vegetables with implications to food safety. The absorption, distribution, metabolism and most importantly, the elimination of tetracycline (TC) and sulfamethoxazole (SMX) in edible plants Brassica rapa chinensis and Ipomoea aquatica grown hydroponically were demonstrated and studied using non-compartmental pharmacokinetic analysis. The results revealed drug-dependent and vegetable-dependent pharmacokinetic differences and indicated that ephemeral vegetables could have high capacity accumulating antibiotics (up to 160 μg g-1 for TC and 38 μg g-1 for SMX) within hours...
2017: PloS One
https://www.readbyqxmd.com/read/28793843/assessment-of-phyto-kinetic-removal-of-pollutants-of-paper-mill-effluent-using-water-hyacinth-eichhornia-crassipes-mart-solms
#3
Vinod Kumar, Jogendra Singh, A K Chopra
Laboratory experiments were carried out to assess the phytoremediation potential of water hyacinth (Eichhornia crassipes [Mart.] Solms) for the removal of different parameters of the paper mill effluent. The maximum removal efficiency of E. crassipes and phyto-kinetic removal rate was recorded at 50% concentration of the paper mill effluent followed by 60 days of phytoremediation experiments. The most percent reduction was observed in the contents of EC (62.23%), TDS (72.54%), BOD (79.93%), COD (85.66%), TKN (89...
August 9, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28783599/root-endophytic-fungus-piriformospora-indica-affected-growth-cadmium-partitioning-and-chlorophyll-fluorescence-of-sunflower-under-cadmium-toxicity
#4
Saleh Shahabivand, Azar Parvaneh, Ali Asghar Aliloo
Cadmium (Cd) pollution in the soil threatens the quality of environmental health, and deleteriously affects physiological activities of crops. Symbiosis of endophytic fungi with various plants is a promising manner to improving numerous plant characteristics and remediating heavy metal-polluted soils. In this pot experiment, the influence of root endophyte fungus Piriformospora indica on growth, physiological parameters and organs Cd accumulation in sunflower cv. Zaria plants under the toxic levels of Cd (0, 40, 80 and 120mg/kg soil) were studied...
August 4, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28755585/evaluation-of-asteraceae-herbal-extracts-in-the-management-of-diabetes-and-obesity-contribution-of-caffeoylquinic-acids-on-the-inhibition-of-digestive-enzymes-activity-and-formation-of-advanced-glycation-end-products-in%C3%A2-vitro
#5
Vítor Spínola, Paula C Castilho
The study was performed to assess, for the first time, the in vitro anti-diabetic potential of ten Asteraceae plant extracts to inhibit the activity of digestive enzymes (α-amylase, α-, β-glucosidases and lipase) responsible for hydrolysis/digestion of sugar and lipids. Prevention of advanced glycation end-products (AGEs) formation was evaluated in bovine serum albumin/ribose glycation reaction model. The phytochemical profiles and caffeoylquinic acids (CQAs) contents were determined for the methanolic extract of each plant...
July 26, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28723316/when-green-and-red-mycology-meet-impressions-from-an-interdisciplinary-forum-on-virulence-mechanisms-of-phyto-and-human-pathogenic-fungi
#6
Yidong Yu, Bernhard Hube, Jörg Kämper, Vera Meyer, Sven Krappmann
Fungal infections pose a constant threat to plants and humans, but detailed knowledge about pathogenesis, immunity, or virulence is rather scarce. Due to the fact that a certain overlap in the armoury of infection exists between plant- and human-pathogenic fungi, an interdisciplinary forum was held in October 2016 at the Institute for Clinical Microbiology, Immunology and Hygiene in Erlangen under the organisational umbrella from two special interest groups of German microbial societies. Scientific exchange and intense discussion of this timely topic was fostered by bringing together renowned experts in their respective fields to present their thoughts and recent findings in the course of a plenary lecture and six themed sessions, accompanied by oral and poster contributions of young researchers...
July 19, 2017: Virulence
https://www.readbyqxmd.com/read/28721833/role-of-nutrients-and-phyto-compounds-in-the-modulation-of-antimicrobial-resistance
#7
Steve Harakeh, Imran Khan, Saad B Almasaudi, Esam I Azhar, Soad Al-Jaouni, Aleksandra Niedzweicki
Antimicrobial resistance is quickly spreading and has become a major public health problem worldwide. If this issue is not resolved, it may cause a shift back to the pre-antibiotics era and infectious disease will again be a serious problem, especially in developing countries. Since the discovery of antibiotics, bacterial resistance has emerged, enabling certain bacteria to withstand antibiotic effects. The emergence of antibiotic resistance is fueled by excessive and improper use of antimicrobial agents, especially in developing countries...
July 18, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28721806/l-tetrahydropalmatine-induces-apoptosis-in-eu-4-leukemia-cells-by-down-regulating-x-linked-inhibitor-of-apoptosis-protein-and-increases-the-sensitivity-towards-doxorubicin
#8
S Li, D Chen, Renzhi Pei, Y Lu, P Zhang, J Ma, X Liu, X Du, K Sha, L Chen, J Cao, X Zhuang, J Wu, L Li, Z Fan, P Ye, S Tang, B Zhang, X Shi, K Li
BACKGROUND: L-Tetrahydropalmatine (L-THP) is a tetra-hydro protoberberine isoquinoline alkaloid. The phyto-compounds bearing isoquinoline alkaloids have been reported to show a potential effect against a number of human cancers cell lines including leukemia. We hypothesized that L-THP, being an isoquinoline alkaloid, could be a potential molecule against acute lymphoblastic leukemia (ALL), in this study, we evaluate L-THP against p53 deficient leukemia EU-4 cell lines in vitro. METHODS: For the study, p53 null leukemia EU-4 cells were used and treated with L-THP...
July 18, 2017: Current Molecular Medicine
https://www.readbyqxmd.com/read/28711019/photo-catalytic-anti-bacterial-and-anti-cancer-properties-of-phyto-mediated-synthesis-of-silver-nanoparticles-from-artemisia-tournefortiana-rchb-extract
#9
Fahimeh Baghbani-Arani, Rabee Movagharnia, Alireza Sharifian, Soheil Salehi, Seyed Ataollah Sadat Shandiz
Metal nanoparticles have largely been investigated due to their potential medicinal activities. This study demonstrates the biological properties of green-synthesized silver nanoparticles (AgNPs) by using Artemisia tournefortiana Rchb ethanol extract. Instrumentations such as ultraviolet-visible spectra analysis, high-resolution transmission electron microscopy, scanning electron microscopy, energy-dispersive X-ray analysis, X-ray diffraction, and Fourier transform infrared spectroscopy were used to reveal the synthesized AgNPs...
July 6, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28709077/phytonanotherapy-for-management-of-diabetes-using-green-synthesis-nanoparticles
#10
K Anand, C Tiloke, Pragalathan Naidoo, A A Chuturgoon
The world has a rich diversity of indigenous medicinal plants. The World Health Organization (WHO) gives high priority to eco-friendly, non-hazardous and cost effective healthcare such as the use of medicinal plants to treat various illnesses, including Human immunodeficiency virus (HIV) infection and Acquired immune deficiency syndrome (AIDS), tuberculosis (TB), diabetes mellitus (DM), malaria, and cancer. In developing countries, a high proportion of the population tends to use complementary and alternative medicines (CAM) together with conventional prescription drugs...
August 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28704491/phyto-toponyms-of-arbutus-unedo-l-and-their-distribution-in-sardinia-italy
#11
Claudia Pinna, Luisa Carta, Vitale Deiana, Ignazio Camarda
The study shows the results of an inventory of place names connected to Arbutus unedo L., a Mediterranean species, widespread throughout Sardinia. The main aim was to compare the past distribution of place names, referring to the strawberry tree, to the current distribution of the species on the island. In addition, we investigated the meaning and the diversity of these local place names in the various communities. The result was a collection of 432 phyto-toponyms. 248 of them were used for an analysis of their distribution in the habitats, indicated on the Map of the Nature System in Sardinia, defined on the basis of the current vegetation typology...
2017: PloS One
https://www.readbyqxmd.com/read/28703274/pterostilbene-reduces-oxidative-stress-prevents-hypertrophy-and-preserves-systolic-function-of-right-ventricle-in-cor-pulmonale-model
#12
Denise Dos Santos Lacerda, Patrick Türck, Bruna Gazzi de Lima-Seolin, Rafael Colombo, Vanessa Duarte Ortiz, Jéssica Hellen Poletto Bonetto, Cristina Campos-Carraro, Sara Elis Bianchi, Adriane Belló-Klein, Valquiria LinckBassani, Alex Sander da Rosa Araujo
BACKGROUND AND PURPOSE: In cor pulmonale, the increased afterload imposed on the right ventricle (RV) generates a maladaptive response, impairing the contractile cardiac function. Oxidative mechanisms play an important role in the pathophysiology and progression of this disease. The administration of pterostilbene (PTS), a phyto-phenol with antioxidant potential, may represent a therapeutic alternative. In the present study, the objective was to evaluate the effect of PTS complexed with hydroxypropyl-β-cyclodextrin (HPβCD) on hypertrophy, contractile function and oxidative parameters in the RV of rats with pulmonary hypertension induced by monocrotaline administration...
July 12, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28690830/in-silico-discovery-of-terpenoid-metabolism-in-cannabis-sativa
#13
Luca Massimino
Due to their efficacy, cannabis based therapies are currently being prescribed for the treatment of many different medical conditions. Interestingly, treatments based on the use of cannabis flowers or their derivatives have been shown to be very effective, while therapies based on drugs containing THC alone lack therapeutic value and lead to increased side effects, likely resulting from the absence of other pivotal entourage compounds found in the Phyto-complex. Among these compounds are terpenoids, which are not produced exclusively by cannabis plants, so other plant species must share many of the enzymes involved in their metabolism...
2017: F1000Research
https://www.readbyqxmd.com/read/28686542/polyunsaturated-fatty-acids-and-endocannabinoids-in-health-and-disease
#14
Hércules Rezende Freitas, Alinny Rosendo Isaac, Renato Malcher-Lopes, Bruno Lourenço Diaz, Isis Hara Trevenzoli, Ricardo Augusto De Melo Reis
Polyunsaturated fatty acids (PUFAs) are lipid derivatives of omega-3 (docosahexaenoic acid, DHA, and eicosapentaenoic acid, EPA) or of omega-6 (arachidonic acid, ARA) synthesized from membrane phospholipids and used as a precursor for endocannabinoids (ECs). They mediate significant effects in the fine-tune adjustment of body homeostasis. Phyto- and synthetic cannabinoids also rule the daily life of billions worldwide, as they are involved in obesity, depression and drug addiction. Consequently, there is growing interest to reveal novel active compounds in this field...
July 7, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28680440/vaccatides-antifungal-glutamine-rich-hevein-like-peptides-from-vaccaria-hispanica
#15
Ka H Wong, Wei Liang Tan, Shruthi G Kini, Tianshu Xiao, Aida Serra, Sui Kwan Sze, James P Tam
Hevein and hevein-like peptides are disulfide-constrained chitin-binding cysteine-rich peptides. They are divided into three subfamilies, 6C-, 8C-, and 10C-hevein-like peptides, based on the number of cysteine residues. In addition, hevein-like peptides can exist in two forms, short and long. The long C-terminal form found in hevein and 10C-hevein-like peptides contain a C-terminal protein cargo. In contrast, the short form without a protein cargo is found in all three subfamilies. Here, we report the discovery and characterization of two novel glutamine-rich and protein cargo-free 8C-hevein-like peptides, vaccatides vH1 and vH2, from Vaccaria hispanica of the Caryophyllaceae family...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28674938/herbaspirillum-rubrisubalbicans-a-mild-pathogen-impairs-growth-of-rice-by-augmenting-ethylene-levels
#16
Glaucio Valdameri, Dayane Alberton, Vivian Rotuno Moure, Thiago Borba Kokot, Caroline Kukolj, Liziane Cristina Campos Brusamarello-Santos, Rose Adele Monteiro, Fabio de Oliveira Pedrosa, Emanuel Maltempi de Souza
Herbaspirillum rubrisubalbicans decreases growth of rice. Inoculation of rice with H. rubrisubalbicans increased the ACCO mRNA levels and ethylene production. The H. rubrisubalbicans rice interactions were further characterized by proteomic approach. Herbaspirillum rubrisubalbicans is a well-known growth-promoting rhizobacteria that can also act as a mild phyto-pathogen. During colonisation of rice, RT-qPCR analyses showed that H. rubrisubalbicans up-regulates the methionine recycling pathway as well as phyto-siderophore synthesis genes...
August 2017: Plant Molecular Biology
https://www.readbyqxmd.com/read/28655697/banana-fruit-pulp-and-peel-involved-in-antianxiety-and-antidepressant-effects-while-invigorate-memory-performance-in-male-mice-possible-role-of-potential-antioxidants
#17
Noreen Samad, Aqsa Muneer, Najeeb Ullah, Aqal Zaman, M Mazhar Ayaz, Ijaz Ahmad
The present study was aimed to investigate the anti-stress and memory enhancing effects of banana (Musa sapientum L.) fruit pulp and peel extract in male mice. Locally bred albino Wistar mice were divided into control and 2 test groups (n=10). Control rats received drinking water while test groups were treated with banana fruit pulp (600 mg/kg; oral administration) and extract of banana peel (400mg/kg; oral administration). Behavioral activities of animals were monitored 14 days post administration of banana pulp and peel extract...
May 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28655644/pregnenolone-does-not-interfere-with-the-effects-of-cannabinoids-on-synaptic-transmission-in-the-cerebellum-and-the-nucleus-accumbens
#18
Anna Krohmer, Martin Brehm, Volker Auwärter, Bela Szabo
The steroid hormone pregnenolone attenuates several in vivo behavioural and somatic effects of the phytocannabinoid Δ(9)-tetrahydrocannabinol, and it was suggested that pregnenolone can protect the brain from cannabis intoxication. The primary neuronal cannabinoid action behind most of the behavioural and somatic effects of cannabinoids is presynaptic inhibition of synaptic transmission. Therefore, the hypothesis of the present study was that pregnenolone attenuates the inhibition of synaptic transmission elicited by cannabinoids...
June 24, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28647339/the-effects-of-amoxicillin-and-vancomycin-on-parameters-reflecting-cholesterol-metabolism
#19
S Baumgartner, D Reijnders, M C J M Konings, A K Groen, D Lütjohann, G H Goossens, E E Blaak, J Plat
BACKGROUND: Changes in the microbiota composition have been implicated in the development of obesity and type 2 diabetes. However, not much is known on the involvement of gut microbiota in lipid and cholesterol metabolism. In addition, the gut microbiota might also be a potential source of plasma oxyphytosterol and oxycholesterol concentrations (oxidation products of plant sterols and cholesterol). Therefore, the aim of this study was to modulate the gut microbiota by antibiotic therapy to investigate effects on parameters reflecting cholesterol metabolism and oxyphytosterol concentrations...
June 21, 2017: Chemistry and Physics of Lipids
https://www.readbyqxmd.com/read/28647267/relationship-between-nutrients-and-plankton-biomass-in-the-turbidity-maximum-zone-of-the-pearl-river-estuary
#20
Zhen Shi, Jie Xu, Xiaoping Huang, Xia Zhang, Zhijian Jiang, Feng Ye, Ximei Liang
Nutrients, dissolved and particulate organic carbon and plankton (bacterio-, phyto- and zoo-) were compared in the turbidity maximum zone (TMZ) and adjacent areas (non-TMZ) in the Pearl River estuary. Our results showed that high levels of suspended substances had marked effect on dynamics of nutrients and plankton in the TMZ. Based on the cluster analysis of total suspended solids (TSS) concentrations, all stations were divided into two groups, TMZ with average TSS of 171mg/L and non-TMZ of 45mg/L. Suspended substances adsorbed PO4(3-) and dissolved organic carbon, resulting in higher particulate phosphorus and organic carbon (POC) and lower PO4(3-) and DOC in the TMZ, compared to the non-TMZ...
July 2017: Journal of Environmental Sciences (China)
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