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https://www.readbyqxmd.com/read/28651087/effects-of-terrestrial-and-marine-organic-matters-on-deposition-of-dechlorane-plus-dp-in-marine-sediments-from-the-southern-yellow-sea-china-evidence-from-multiple-biomarkers
#1
Guoguang Wang, Jialin Peng, Ting Hao, Lijuan Feng, Qiaoling Liu, Xianguo Li
As an emerging halogenated organic contaminant, Dechlorane Plus (DP) was scarcely reported in marine environments, especially in China. In this work, 35 surface sediments and a sediment core were collected across the Southern Yellow Sea (SYS) to comprehensively explore the spatio-temporal distribution and possible migration pathway of DP. DP concentrations ranged from 14.3 to 245.5 pg/g dry weight in the surface sediments, displaying a seaward increasing trend with the high levels in the central mud zone. This spatial distribution pattern was ascribed to that fine particles with the elevated DP levels were preferentially transported to the central mud zone under hydrodynamic forcing and/or via long-range atmospheric transportation and deposition...
June 23, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28648724/nitrogen-fixing-rhizobial-strains-isolated-from-desmodium-incanum-dc-in-argentina-phylogeny-biodiversity-and-symbiotic-ability
#2
María Antonieta Toniutti, Laura Viviana Fornasero, Francisco Javier Albicoro, María Carla Martini, Walter Draghi, Florencia Alvarez, Antonio Lagares, José Francisco Pensiero, María Florencia Del Papa
Desmodium spp. are leguminous plants belonging to the tribe Desmodieae of the subfamily Papilionoideae. They are widely distributed in temperated and subtropical regions and are used as forage plants, for biological control, and in traditional folk medicine. The genus includes pioneer species that resist the xerothermic environment and grow in arid, barren sites. Desmodium species that form nitrogen-fixing symbiosis with rhizobia play an important role in sustainable agriculture. In Argentina, 23 native species of this genus have been found, including Desmodium incanum...
June 7, 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28648407/health-related-quality-of-life-fear-of-recurrence-and-emotional-distress-in-patients-treated-for-thyroid-cancer
#3
S N Rogers, V Mepani, S Jackson, D Lowe
Diagnosis of differentiated thyroid carcinoma (papillary or follicular) and its treatment may be associated with a poor health-related quality of life (HRQoL), and with fear of recurrence (FoR), and distress. To our knowledge, this is the first time a single FoR screening question (written to complement a HRQoL questionnaire), has been reported with HRQoL and levels of distress in patients treated for the disease. In April 2014 we did a cross-sectional survey of patients who had presented to the Merseyside and Cheshire thyroid cancer network between April 2009 and November 2013...
June 22, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28647758/a-meta-analysis-of-quantitative-trait-loci-for-abiotic-and-biotic-stress-resistance-in-tetraploid-cotton
#4
Abdelraheem Abdelraheem, Feng Liu, Mingzhou Song, Jinfa F Zhang
The number and location of mapped quantitative trait loci (QTL) depend on genetic populations and testing environments. The identification of consistent QTL across genetic backgrounds and environments is a pre-requisite to marker-assisted selection. This study analyzed a total of 661 abiotic and biotic stress resistance QTL based on our previous work and other publications using the meta-analysis software Biomercator. It identified chromosomal regions containing QTL clusters for different resistance traits and hotspots for a particular resistance trait in cotton from 98 QTL for drought tolerance under greenhouse (DT) and 150 QTL in field conditions (FDT), 80 QTL for salt tolerance in the greenhouse conditions (ST), 201 QTL for resistance to Verticillium wilt (VW, Verticillium dahliae), 47 QTL for resistance to Fusarium wilt (FW, Fusarium oxysporum f...
June 24, 2017: Molecular Genetics and Genomics: MGG
https://www.readbyqxmd.com/read/28647328/effects-of-feeding-an-immunomodulatory-supplement-to-heat-stressed-or-actively-cooled-cows-during-late-gestation-on-postnatal-immunity-health-and-growth-of-calves
#5
Amy L Skibiel, Thiago F Fabris, Fabiana N Corrá, Yazielis M Torres, Derek J McLean, James D Chapman, David J Kirk, Geoffrey E Dahl, Jimena Laporta
Heat stress during late gestation negatively affects the physiology, health, and productivity of dairy cows as well as the calves developing in utero. Providing cows with active cooling devices, such as fans and soakers, and supplementing cows with an immunomodulating feed additive, OmniGen-AF (OG; Phibro Animal Health Corporation), improves immune function and milk yield of cows. It is unknown if maternal supplementation of OG combined with active cooling during late gestation might benefit the developing calf as well...
June 21, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28647252/source-apportionment-of-perfluoroalkyl-substances-in-surface-sediments-from-lakes-in-jiangsu-province-china-comparison-of-three-receptor-models
#6
Yanjie Qi, Zhuoshi He, Shouliang Huo, Jingtian Zhang, Beidou Xi, Shibin Hu
Receptor models have been proved as useful tools to identify source categories and quantitatively calculate the contributions of extracted sources. In this study, sixty surface sediment samples were collected from fourteen lakes in Jiangsu Province, China. The total concentrations of C4-C14-perfluoroalkyl carboxylic acids and perfluorooctane sulfonic acid (∑12PFASs) in sediments ranged from 0.264 to 4.44ng/gdw (dry weight), with an average of 1.76ng/gdw. Three commonly-applied receptor models, namely principal component analysis-multiple linear regression (PCA-MLR), positive matrix factorization (PMF) and Unmix models, were employed to apportion PFAS sources in sediments...
July 2017: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/28646690/polycyclic-aromatic-hydrocarbons-in-the-water-spm-sediment-system-from-the-middle-reaches-of-huai-river-china-distribution-partitioning-origin-tracing-and-ecological-risk-assessment
#7
Jiamei Zhang, Guijian Liu, Rujing Wang, He Huang
The polycyclic aromatic hydrocarbons (PAHs) concentrations in the water, suspended particulate matter (SPM) and sediment from the middle reaches of Huai River were analyzed by a gas chromatograph-mass spectrometer (GC-MS). The mean concentrations for the sum of 16 PAHs (∑16 PAHs) in the water, SPM and sediment were 1204 ng/L, 3192 ng/g (dry weight; dw), and 7955 ng/g (dw), respectively. Along the vertical profiles of water columns, higher ∑16 PAHs levels were seen in surface and bottom water layers and co-located SPM...
June 21, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28646332/a-rational-approach-for-the-improvement-of-biomass-production-and-lipid-profile-in-cacao-cell-suspensions
#8
Adriana María Gallego Rúa, Luisa Fernanda Rojas, Aura Ines Urrea Trujillo, Oriana Parra Zuleta, Cristian David Correa Alvarez, Lucía Atehortúa Garcés
Cocoa butter (CB) is produced in the seeds of Theobroma cacao representing 50% of its dry weight. The lipid composition plays an important role in the physicochemical, rheological, and sensory properties of the CB, making this fat a valuable resource for the production of chocolates, cosmetics, and pharmaceuticals. In this paper, are described experimental strategies used for a rational improvement of biomass production and fatty acids in cacao cell suspension cultures. First, the lipid profile in four cacao varieties is characterized, and then, one variety is selected to induce cell suspensions using a direct method without previous establishment of a callus phase...
June 23, 2017: Bioprocess and Biosystems Engineering
https://www.readbyqxmd.com/read/28644883/effects-of-dietary-inclusion-of-high-concentrations-of-crude-glycerin-on-meat-quality-and-fatty-acid-profile-of-feedlot-fed-nellore-bulls
#9
Eric H C B van Cleef, André P D'Áurea, Vanessa R Fávaro, Flavia O S van Cleef, Robson S Barducci, Marco T C Almeida, Otávio R Machado Neto, Jane M B Ezequiel
Crude glycerin, the main by-product of biodiesel production, can replace dietary energy sources, such as corn. The objective of this study was to evaluate the inclusion of up to 30% of crude glycerin in dry matter (DM) of the total diets, and its effects on meat quality parameters of feedlot Nellore bulls. Thirty animals (227.7 ± 23.8 kg body weight; 18 months old) were housed in individual pens and fed 5 experimental diets, containing 0, 7.5, 15, 22.5 or 30% crude glycerin (DM basis). After 103 d (21 d adaptation) animals were slaughtered and the Longissimus muscle was collected...
2017: PloS One
https://www.readbyqxmd.com/read/28644408/isolation-and-selection-of-microalgal-strains-from-natural-water-sources-in-viet-nam-with-potential-for-edible-oil-production
#10
Tran Yen Thao, Dinh Thi Nhat Linh, Vo Chi Si, Taylor W Carter, Russell T Hill
Industrial vegetable oil production in Viet Nam depends on oil seeds and crude plant oils that are currently more than 90% imported. As the first step in investigating the feasibility of using microalgae to provide Viet Nam with a domestic source of oil for food and edible oil industries, fifty lipid-producing microalgae were isolated and characterized. The microalgae were isolated from water sources ranging from freshwater to brackish and marine waters from a wide geographic distribution in Viet Nam. Initial analyses showed that 20 of the 50 strains had good growth rates, produced high biomass and had high lipid content, ranging up to 50% of dry weight biomass...
June 23, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28643283/role-of-cation-structure-in-the-phytotoxicity-of-ionic-liquids-growth-inhibition-and-oxidative-stress-in-spring-barley-and-common-radish
#11
Robert Biczak, Barbara Pawłowska, Arkadiusz Telesiński, Janusz Kapuśniak
The present study determines the influence of three ionic liquids (ILs) containing cations with diversified structure on the growth and development of spring barley seedlings and common radish leaves. Increasing amounts of 1-butyl-1-methylpyrrolidinium hexafluorophosphate [Pyrrol][PF6], 1-butyl-1-methylpiperidinium hexafluorophosphate [Piper][PF6], and 1-butyl-4-methylpyridinium hexafluorophosphate [Pyrid][PF6] were added to the soil on which both plants were cultivated. The results of this studies showed that the applied ILs were highly toxic for plants, demonstrated by the inhibition of length of plant shoots and roots, decrease of fresh mass, and increase of dry weight content...
June 22, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28642768/silicon-transporters-and-effects-of-silicon-amendments-in-strawberry-under-high-tunnel-and-field-conditions
#12
Samuel Ouellette, Marie-Hélène Goyette, Caroline Labbé, Joan Laur, Linda Gaudreau, André Gosselin, Martine Dorais, Rupesh K Deshmukh, Richard R Bélanger
Together with longer production periods, the commercial transition to day-neutral strawberry (Fragaria × ananassa) varieties has favored the development of diseases such as powdery mildew (Podosphaera aphanis) that thrives in late summer-early fall. In an attempt to find alternative solutions to fungicides currently employed to curb the disease, we wanted to investigate the potential of silicon (Si) amendments that have been associated with prophylactic properties against powdery mildews. To this end, our first objective was to determine if strawberry was a Si-competent species following the recent characterization of the properties of Si transporters that plants must carry to uptake silicic acid...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28642763/rootstock-sub-optimal-temperature-tolerance-determines-transcriptomic-responses-after-long-term-root-cooling-in-rootstocks-and-scions-of-grafted-tomato-plants
#13
Georgia Ntatsi, Dimitrios Savvas, Vassilis Papasotiropoulos, Anastasios Katsileros, Rita M Zrenner, Dirk K Hincha, Ellen Zuther, Dietmar Schwarz
Grafting of elite cultivars onto tolerant rootstocks is an advanced strategy to increase tomato tolerance to sub-optimal temperature. However, a detailed understanding of adaptive mechanisms to sub-optimal temperature in rootstocks and scions of grafting combinations on a physiological and molecular level is lacking. Here, the commercial cultivar Kommeet was grafted either onto 'Moneymaker' (sensitive) or onto the line accession LA 1777 of Solanum habrochaites (tolerant). Grafted plants were grown in NFT-system at either optimal (25°C) or sub-optimal (15°C) temperatures in the root environment with optimal air temperature (25°C) for 22 days...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28641602/milk-replacers-supplemented-with-either-l-arginine-or-l-carnitine-potentially-improve-muscle-maturation-of-early-reared-low-birth-weight-piglets-from-hyperprolific-sows
#14
J G Madsen, S Mueller, M Kreuzer, M B Bigler, P Silacci, G Bee
As a result of the selection for genotypes with greater sow prolificacy, litter size increased and, concomitantly, average litter birth weight and early postnatal survival rates of low birth weight (L-BtW) offspring decreased. This study compared the impact of l-carnitine (CAR) and l-arginine (ARG) supplemented with a milk replacer and fed to L-BtW piglets born from large litters from days 7 to 28 of age on growth performance, carcass composition, organ and Semitendinosus muscle (STM) development. A total of 30 female and castrated Swiss Large White piglets weaned at 7 days of age were assigned to three milk replacer diets containing either no supplement (CON), CAR (0...
June 23, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28641150/polyamine-and-tyramine-involvement-in-nacl-induced-improvement-of-cd-resistance-in-the-halophyte-inula-chrithmoides-l
#15
Rim Ghabriche, Tahar Ghnaya, Mejda Mnasri, Hanen Zaier, Raoudha Baioui, Delphine Vromman, Chedly Abdelly, Stanley Lutts
The aim of the present work was to analyze the impact of salinity on the plant response to Cd toxicity in the Mediterranean halophyte species Inula crithmoides. For this purpose, cuttings were cultivated hydroponically during 21d in the presence of 0, 25 or 50μM CdCl2 combined or not with 0, 100, 200 and 400mM NaCl. The obtained data demonstrated that, in the absence of Cd, NaCl strongly increased plant growth (the maximal dry weight being observed at 100mM) and enhanced the Na(+)/K(+) ratio in the shoot. Cd alone strongly affected plant growth in this halophyte...
June 6, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28641138/changes-in-lipid-peroxidation-in-stay-green-leaves-of-tobacco-with-senescence-induced-synthesis-of-cytokinins
#16
Maria Pilarska, Ernest Skowron, Rafał Pietraś, Karin Krupinska, Ewa Niewiadomska
The involvement of reactive oxygen species (ROS) in the progress of leaf senescence has long been suggested, but there are contrasting results to either support or deny the positive correlation between the senescence progression and the level of ROS-triggered lipid peroxidation. The inconsistency among reported results can partly be attributed to the poor specificity of the most commonly employed colorimetric assay and changes in the ratio of dry weight/fresh weight during leaf senescence. In this study we determined the end-product of lipid peroxidation malondialdehyde (MDA) by GS-MS, and analyzed its changes during senescence of tobacco leaves as calculated on dry weight basis...
June 15, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28640858/early-growth-stages-salinity-stress-tolerance-in-cm72-x-gairdner-doubled-haploid-barley-population
#17
Tefera Tolera Angessa, Xiao-Qi Zhang, Gaofeng Zhou, Sue Broughton, Wenying Zhang, Chengdao Li
A doubled haploid (DH) population of barley (Hordeum vulgare L.) generated from salinity tolerant genotype CM72 and salinity sensitive variety Gairdner was studied for salinity stress tolerance at germination, seedling emergence and first leaf full expansion growth stages. Germination study was conducted with deionized water, 150 mM and 300 mM NaCl treatments. Seedling stage salinity tolerance was conducted with three treatments: control, 150 mM NaCl added at seedling emergence and first leaf full expansion growth stages...
2017: PloS One
https://www.readbyqxmd.com/read/28640834/overexpression-of-gmfdl19-enhances-tolerance-to-drought-and-salt-stresses-in-soybean
#18
Yuanyuan Li, Quanzhen Chen, Haiyang Nan, Xiaoming Li, Sijia Lu, Xiaohui Zhao, Baohui Liu, Changhong Guo, Fanjiang Kong, Dong Cao
The basic leucine zipper (bZIP) family of transcription factors plays an important role in the growth and developmental process as well as responds to various abiotic stresses, such as drought and high salinity. Our previous work identified GmFDL19, a bZIP transcription factor, as a flowering promoter in soybean, and the overexpression of GmFDL19 caused early flowering in transgenic soybean plants. Here, we report that GmFDL19 also enhances tolerance to drought and salt stress in soybean. GmFDL19 was determined to be a group A member, and its transcription expression was highly induced by abscisic acid (ABA), polyethylene glycol (PEG 6000) and high salt stresses...
2017: PloS One
https://www.readbyqxmd.com/read/28640221/use-of-chitosan-pva-hydrogels-with-copper-nanoparticles-to-improve-the-growth-of-grafted-watermelon
#19
Homero González Gómez, Francisca Ramírez Godina, Hortensia Ortega Ortiz, Adalberto Benavides Mendoza, Valentín Robledo Torres, Marcelino Cabrera De la Fuente
Modern agriculture requires alternative practices that improve crop growth without negatively affecting the environment, as resources such as water and arable land grow scarcer while the human population continues to increase. Grafting is a cultivation technique that allows the plant to be more efficient in its utilization of water and nutrients, while nanoscale material engineering provides the opportunity to use much smaller quantities of consumables compared to conventional systems but with similar or superior effects...
June 22, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28639158/development-of-a-survivorship-needs-assessment-planning-tool-for-head-and-neck-cancer-survivors-and-their-caregivers-a-preliminary-study
#20
K R Sterba, J Zapka, N LaPelle, T K Garris, A Buchanan, M Scallion, T Day
PURPOSE: The purpose of this study was to characterize primary end-of-treatment challenges in head and neck cancer (HNC) to drive the development of a survivorship needs assessment planning (SNAP) tool and evaluate its acceptability and feasibility. METHODS: Using qualitative methods (focus groups, interviews), we identified physical, emotional, and social post-treatment challenges from the perspectives of survivors (N = 17), caregivers (N = 14), and healthcare providers (N = 14) and pretested the SNAP tool...
June 21, 2017: Journal of Cancer Survivorship: Research and Practice
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