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https://www.readbyqxmd.com/read/29351606/analysis-of-metal-tolerance-in-rhizobium-leguminosarum-strains-isolated-from-an-ultramafic-soil
#1
Laura Rubio-Sanz, Belén Brito, Jose Palacios
Natural habitats containing high amounts of heavy metals provide a valuable source of bacteria adapted to deal with metal toxicity. A functional analysis of the population of legume endosymbiotic bacteria in an ultramafic soil was undertaken by studying a collection of Rhizobium leguminosarum bv viciae (Rlv) isolates obtained using pea as trap plant. One of the isolates, Rlv UPM1137, was selected on the basis of its higher tolerance to nickel and cobalt and presence of inducible mechanisms for such tolerance...
January 17, 2018: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/29341173/strigolactones-positively-regulate-chilling-tolerance-in-pea-and-in-arabidopsis
#2
James W Cooper, Yan Hu, Leila Beyyoudh, H Yildiz Dasgan, Karl Kunert, Christine A Beveridge, Christine H Foyer
Strigolactones (SL) fulfil important roles in plant development and stress tolerance. Here we characterised the role of SL in the dark chilling tolerance of pea and Arabidopsis by analysis of mutants that are defective in either SL synthesis or signalling. Pea mutants (rms3, rms4, rms5) had significantly greater shoot branching with higher leaf chlorophyll a/b ratios and carotenoid contents than the wild type. Exposure to dark chilling significantly decreased shoot fresh weights but increased leaf numbers in all lines...
January 17, 2018: Plant, Cell & Environment
https://www.readbyqxmd.com/read/29340862/effect-of-brewery-wastewater-obtained-from-different-phases-of-treatment-plant-on-seed-germination-of-chickpea-cicer-arietinum-maize-zea-mays-and-pigeon-pea-cajanus-cajan
#3
Rupa Salian, Suhas Wani, Ramamohan Reddy, Mukund Patil
Brewing industry releases large quantities of wastewater after product generation. Brewery wastewater contains organic compounds which are biodegradable in nature. These biodegradable wastes can be recycled and reused and hence considered as suitable products for agriculture. But before using wastewater for agriculture, it is better to evaluate the phytotoxic effects of wastewater on crops. Hence, the main objective of this study is to evaluate the effects of brewery effluent on seed germination and growth parameters of selected crop species like chickpea (Cicer arietinum), maize (Zea mays), and pigeon pea (Cajanus cajan)...
January 17, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29339734/au-nb-h-x-k1-xnbo3-nanopeapods-with-near-infrared-active-plasmonic-hot-electron-injection-for-water-splitting
#4
Ying-Chu Chen, Yu-Kuei Hsu, Radian Popescu, Dagmar Gerthsen, Yan-Gu Lin, Claus Feldmann
Full-spectrum utilization of diffusive solar energy by a photocatalyst for environmental remediation and fuel generation has long been pursued. In contrast to tremendous efforts in the UV-to-VIS light regime of the solar spectrum, the NIR and IR areas have been barely addressed although they represent about 50% of the solar flux. Here we put forward a biomimetic photocatalyst blueprint that emulates the growth pattern of a natural plant-a peapod-to address this issue. This design is exemplified via unidirectionally seeding core-shell Au@Nb nanoparticles in the cavity of semiconducting H x K1-xNbO3 nanoscrolls...
January 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29337861/protein-from-meat-or-vegetable-sources-in-meals-matched-for-fiber-content-has-similar-effects-on-subjective-appetite-sensations-and-energy-intake-a-randomized-acute-cross-over-meal-test-study
#5
Lone V Nielsen, Marlene D Kristensen, Lars Klingenberg, Christian Ritz, Anita Belza, Arne Astrup, Anne Raben
Higher-protein meals decrease hunger and increase satiety compared to lower-protein meals. However, no consensus exists about the different effects of animal and vegetable proteins on appetite. We investigated how a meal based on vegetable protein (fava beans/split peas) affected ad libitum energy intake and appetite sensations, compared to macronutrient-balanced, iso-caloric meals based on animal protein (veal/pork or eggs). Thirty-five healthy men were enrolled in this acute cross-over study. On each test day, participants were presented with one of four test meals (~3550 kilojoules (kJ) 19% of energy from protein), based on fava beans/split peas (28...
January 16, 2018: Nutrients
https://www.readbyqxmd.com/read/29337083/palmitoylethanolamide-attenuates-cocaine-induced-behavioral-sensitization-and-conditioned-place-preference-in-mice
#6
Emma Zambrana-Infantes, Cristina Rosell Del Valle, David Ladrón de Guevara-Miranda, Pablo Galeano, Estela Castilla-Ortega, Fernando Rodríguez De Fonseca, Eduardo Blanco, Luis Javier Santín
Cocaine addiction is a chronically relapsing disorder characterized by compulsive drug-seeking and drug-taking behaviors. Previous studies have demonstrated that cocaine, as well as other drugs of abuse, alters the levels of lipid-based signaling molecules, such as N-acylethanolamines (NAEs). Moreover, brain levels of NAEs have shown sensitivity to cocaine self-administration and extinction training in rodents. Given this background, the aim of this study was to investigate the effects of repeated or acute administration of palmitoylethanolamide (PEA), an endogenous NAE, on psychomotor sensitization and cocaine-induced contextual conditioning...
January 11, 2018: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/29329832/effects-of-cluster-thinning-on-vine-photosynthesis-berry-ripeness-and-flavonoid-composition-of-cabernet-sauvignon
#7
Yu Wang, Yan-Nan He, Wei-Kai Chen, Fei He, Wu Chen, Xiao-Dong Cai, Chang-Qing Duan, Jun Wang
Cluster thinning is a common practice for regulating vine yield and grape quality. The effects of cluster thinning on vine photosynthesis, berry ripeness and flavonoid composition of V. vinifera L. Cabernet Sauvignon were evaluated during two seasons. Half of the clusters were removed at pea-size and veraison relative to two controls, respectively. Both cluster thinning treatments significantly increased pruning weight and decreased yield. No effects of cluster thinning on berry growth, ripeness and flavonol composition were observed...
May 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29329098/effect-of-organic-amendments-on-cadmium-stress-to-pea-a-multivariate-comparison-of-germinating-vs-young-seedlings-and-younger-vs-older-leaves
#8
Saliha Shamshad, Muhammad Shahid, Marina Rafiq, Sana Khalid, Camille Dumat, Muhammad Sabir, Behzad Murtaza, Abu Bakr Umer Farooq, Noor S Shah
Despite significant recent advancement in research, biogeochemical behavior of heavy metals with respect to their applied form is still topical. Moreover, metal toxicity to plants may vary with their stage of development/maturity. Therefore, this study for the first time evaluated the influence of ethylenediaminetetraacetic acid (EDTA) and citric acid (CA) on cadmium (Cd) accumulation and toxicity to germinating and young pea seedlings as well as in younger and older leaves. The experimental setup of current study consisted of two separate studies...
January 9, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29327416/comparative-proteomics-studies-of-insect-cuticle-by-tandem-mass-spectrometry-application-of-a-novel-proteomics-approach-to-the-pea-aphid-cuticular-proteins
#9
Masson Victor, Arafah Karim, Voisin Sébastien, Bulet Philippe
The exoskeleton of arthropods, called cuticle, is a biological composite material consisting principally of N-acetylglucosamine polymer embedded in cuticular proteins (CPs). The CPs have been studied and characterized by mass spectrometry in several cuticular structures and in many arthropods. Such analyses were usually carried out by protein extraction using SDS detergent followed by electrophoresis, allowing detection and identification of a large number of CPs. To build a repertoire of cuticular structures from Bombyx mori, Apis mellifera and Anopheles gambiae we avoided the use of SDS and electrophoresis...
January 12, 2018: Proteomics
https://www.readbyqxmd.com/read/29322104/soil-total-carbon-and-nitrogen-and-crop-yields-after-eight-years-of-tillage-crop-rotation-and-cultural-practice
#10
Upendra M Sainju, Andrew W Lenssen, Brett L Allen, William B Stevens, Jalal D Jabro
Information on the long-term effect of management practices on soil C and N stocks is lacking. An experiment was conducted from 2004 to 2011 in the northern Great Plains, USA to examine the effects of tillage, crop rotation, and cultural practice on annualized crop residue (stems + leaves) returned to the soil and grain yield, and soil total C (STC) and total N (STN) stocks at the 0-120 cm depth. Tillage practices were no-tillage (NT) and conventional tillage (CT) and crop rotations were continuous spring wheat (Triticum aestivum L...
December 2017: Heliyon
https://www.readbyqxmd.com/read/29321405/reversible-parkinsonism-and-multiple-cerebral-infarctions-after-pulmonary-endarterectomy-in-a-patient-with-antiphospholipid-syndrome
#11
Mitsumasa Okano, Kazuhiko Nakayama, Naoki Tamada, Yuto Shinkura, Ken-Ichi Yanaka, Hiroyuki Onishi, Hidekazu Tanaka, Toshiro Shinke, Hiroshi Tanaka, Yutaka Okita, Noriaki Emoto, Ken-Ichi Hirata
Antiphospholipid syndrome (APS) is a cause of chronic thromboembolic pulmonary hypertension (CTEPH) and it is associated with an increased risk of postoperative neurological complications. We experienced a case of reversible parkinsonism after pulmonary endarterectomy (PEA) and subsequent multiple cerebral infarctions under standard anticoagulation therapy in a patient with CTEPH associated with APS. Strict management using a combination of antiplatelet and anticoagulation therapy should be considered in patients with a high titer of triple antiphospholipid antibodies in the perioperative period...
January 11, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29318791/impact-of-balloon-pulmonary-angioplasty-on-hemodynamics-and-clinical-outcomes-in-patients-with-chronic-thromboembolic-pulmonary-hypertension-the-initial-korean-experience
#12
Woochan Kwon, Jeong Hoon Yang, Taek Kyu Park, Sung A Chang, Dong Seop Jung, Young Seok Cho, Sung Mok Kim, Tae Jung Kim, Hye Yoon Park, Seung Hyuk Choi, Duk Kyung Kim
BACKGROUND: The treatment of choice for chronic thromboembolic pulmonary hypertension (CTEPH) is pulmonary endarterectomy (PEA). However, not all patients are eligible for PEA, and some patients experience recurrence of pulmonary hypertension even after PEA. METHODS: Patients who underwent balloon pulmonary angioplasty (BPA) between December 2015 and April 2017 were enrolled from the Samsung Medical Center CTEPH registry. Enrolled patients underwent right heart catheterization, echocardiography, and 6-minute walk distance (6MWD) at baseline, 4 and 24 weeks after their first BPA session...
January 22, 2018: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/29310938/evaluation-of-the-clinical-utility-of-transesophageal-echocardiography-and-invasive-monitoring-to-assess-right-ventricular-function-during-and-after-pulmonary-endarterectomy
#13
Thomas P Sullivan, James E Moore, Andrew A Klein, David P Jenkins, Lynne K Williams, Andrew Roscoe, Wendy Tsang
OBJECTIVE: Patients undergoing pulmonary endarterectomy (PEA) have impaired right ventricular function. The authors sought to assess the clinical utility of commonly used perioperative echocardiographic and right heart catheter measurements in patients undergoing PEA. DESIGN: A single-center prospective observational study. SETTING: The study was conducted in a quaternary care cardiac surgical center in the United Kingdom. PARTICIPANTS: Patients undergoing PEA between April 2015 and January 2016...
September 21, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29305666/decorated-superparamagnetic-iron-oxide-nanoparticles-with-monoclonal-antibody-and-diethylene-triamine-pentaacetic-acid-labeled-with-thechnetium-99m-and-galium-68-for-breast-cancer-imaging
#14
Marta de Souza Albernaz, Sergio Hiroshi Toma, Jeff Clanton, Koiti Araki, Ralph Santos-Oliveira
PURPOSE: In this study we developed and tested an iron oxide nanoparticle conjugated with DTPA and Trastuzumab, which can efficiently be radiolabeled with 99m-Tc and Ga-68, generating a nanoradiopharmaceutical agent to be used for SPECT and PET imaging. METHODS: The production of iron oxide nanoparticle conjugated with DTPA and Trastuzumab was made using phosphorylethanolamine (PEA) surface modification. Both radiolabeling process was made by the direct radiolabeling of the nanoparticles...
January 5, 2018: Pharmaceutical Research
https://www.readbyqxmd.com/read/29304210/overview-of-antifungal-dosing-in-invasive-candidiasis
#15
Federico Pea, Russell E Lewis
In the past, most antifungal therapy dosing recommendations for invasive candidiasis followed a 'one-size fits all' approach with recommendations for lowering maintenance dosages for some antifungals in the setting of renal or hepatic impairment. A growing body of pharmacokinetic/pharmacodynamic research, however now points to a widespread 'silent epidemic' of antifungal underdosing for invasive candidiasis, especially among critically ill patients or special populations who have altered volume of distribution, protein binding and drug clearance...
January 1, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29303692/molecular-identification-and-characterization-of-the-new-16srix-j-and-cpn60-ut-ix-j-phytoplasma-subgroup-associated-with-chicory-bushy-stunt-disease-in-saudi-arabia
#16
Edel Pérez-López, Ayman F Omar, Khaled M Al-Jamhan, Tim J Dumonceaux
Chicory (Cichorium intybus) is a perennial plant (Asteraceae) that grows wild in pasture fields in Saudi Arabia. Chicory plants displaying symptoms typically induced by phytoplasmas, such as bushy phenotype and stunt, were observed in the Mulayda region, Qassim governorate, Saudi Arabia. In this study we examined samples taken from three symptomatic chicory plants and confirmed the presence of phytoplasma DNA. Analysis of the 16S rRNA-encoding sequences showed that the plants were infected with a phytoplasma from the pigeon pea witches'-broom group (16SrIX)...
January 5, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29301599/experimental-study-on-the-protection-of-agrimony-extracts-from-different-extracting-methods-against-cerebral-ischemia-reperfusion-injury
#17
Hui-Yuan Zhu, Yu-Long Bie, Jiang Wang, Jing Gao, Bing-Yue Yang, Hai-Tong Wan
Objective To study the protective effect of agrimony extracts from different extracting methods on cerebral ischemia-reperfusion injury in rats, in order to optimize the extraction scheme of agrimony. Methods Male rats were randomly assigned into seven groups: 1. Sham-operated group, 2. Untreated MCAO group (MCAO), 3. Petroleum ether extract of Agrimonia pilosa treated MCAO group (PEA), 4. Ethyl acetate extract of Agrimonia pilosa treated MCAO group (EAEA), 5. Ethanol extract of Agrimonia pilosa treated MCAO group (EEA), 6...
December 30, 2017: Chinese Medical Sciences Journal, Chung-kuo i Hsüeh K'o Hsüeh Tsa Chih
https://www.readbyqxmd.com/read/29288722/comparative-analysis-of-phosphoethanolamine-transferases-involved-in-polymyxin-resistance-across-ten-clinically-relevant-gram-negative-bacteria
#18
Jiayuan Huang, Yan Zhu, Meiling Han, Mengyao Li, Jiangning Song, Tony Velkov, Chen Li, Jian Li
The rapid emergence of Gram-negative 'superbugs' has become a significant threat to human health globally and polymyxins become a last-line therapy for these very problematic pathogens. Polymyxins exhibit their antibacterial killing by the initial interaction with lipid A in Gram-negative bacteria. Polymyxin resistance can be mediated by phosphoethanolamine (PEA) modification of lipid A that abolishes the initial electrostatic interaction with polymyxins. Both chromosome-encoded (e.g. EptA, EptB and EptC) and plasmid-encoded PEA transferases (e...
December 27, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29287431/effect-of-roasted-pea-flour-starch-and-encapsulated-pea-starch-incorporation-on-the-in-vitro-starch-digestibility-of-pea-breads
#19
Zhan-Hui Lu, Elizabeth Donner, Qiang Liu
Oven or microwave roasting and alginate encapsulation of pea flour and starch to produce novel pea ingredients for enrichment of slowly digestible starch (SDS) and resistant starch (RS) content in pea bread were investigated. Pea flour treated either by oven roasting (160°C, 30min) or by microwave roasting (1.1kW, 6min) effectively retained its low starch digestibility similar to its native form (∼25% SDS; ∼60% RS). When oven roasting was applied to pea starch, SDS content increased triply compared to the fully boiled counterpart...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29287399/interaction-of-cellulose-nanocrystals-and-amylase-its-influence-on-enzyme-activity-and-resistant-starch-content
#20
Na Ji, Chengzhen Liu, Man Li, Qingjie Sun, Liu Xiong
The aim of this work was to evaluate the effects of cellulose nanocrystals (CNCs) on amylolytic enzyme activity and starch digestibility. For the first time, we investigated the interaction between α-amylase or glucoamylase and CNCs using ultraviolet visible (UV-Vis) absorption spectroscopy, fluorescence quenching method, Fourier transform infrared (FTIR) spectroscopy, and circular dichroism (CD). The results of UV and fluorescence spectra suggested that CNCs interacted with α-amylase and glucoamylase. Increasing the concentration of CNCs caused a reduction of α-amylase and glucoamylase activities...
April 15, 2018: Food Chemistry
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