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https://www.readbyqxmd.com/read/28216891/effects-of-potassium-sulfate-k2so4-on-the-element-contents-polyphenol-content-antioxidant-and-antimicrobial-activities-of-milk-thistle-silybum-marianum
#1
Gulsum Yaldiz
BACKGROUND: Silybum marianum L. (Milk thistle) is native to the Mediterranean basin and is now widespread throughout the world. It's sprout is used as a herbal medicine for the treatment of liver disease for centuries. The seeds of milk thistle contain silymarin, an isomeric mixture of flavonolignans [silybin, silychristin, and silydianin]. Silymarin acts as a strong anti-hepatotoxic. OBJECTIVES: The objective of this study was to evaluate the influences of potassium sulfate [K2SO4] fertilizer doses on polyphenol content, some nutrient elements, antioxidant and antimicrobial activities of milk thistle at experimental fields of Ordu University in Turkey...
January 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28216591/iron-supply-affects-anthocyanin-content-and-related-gene-expression-in-berries-of-vitis-vinifera-cv-cabernet-sauvignon
#2
Pengbao Shi, Bing Li, Haiju Chen, Changzheng Song, Jiangfei Meng, Zhumei Xi, Zhenwen Zhang
Anthocyanins are important compounds for red grape and red wine quality, and can be influenced by supply of nutrients such as nitrogen, phosphorus, potassium, zinc, and iron. The present work aims to gain a better understanding of the effect of iron supply on anthocyanins concentration in grape berries. To this end, own-rooted four-year-old Cabernet Sauvignon grapevines (Vitis vinifera) were fertigated every three days with 0, 23, 46, 92, and 184 μM iron (Fe) from ferric ethylenediamine di (o-hydroxyphenylacetic) acid (Fe-EDDHA) in a complete nutrient solution...
February 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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/28211915/structure-of-the-shr-scr-heterodimer-bound-to-the-bird-idd-transcriptional-factor-jkd
#4
Yoshinori Hirano, Masahiro Nakagawa, Tomoe Suyama, Kohji Murase, Maya Shirakawa, Seiji Takayama, Tai-Ping Sun, Toshio Hakoshima
The plant-specific GAI, RGA and SCR (GRAS) family proteins play critical roles in plant development and signalling. Two GRAS proteins, SHORT-ROOT (SHR) and SCARECROW (SCR), cooperatively direct asymmetric cell division and the patterning of root cell types by transcriptional control in conjunction with BIRD/INDETERMINATE DOMAIN (IDD) transcription factors, although precise details of these specific interactions and actions remain unknown. Here, we present the crystal structures of the SHR-SCR binary and JACKDAW (JKD)/IDD10-SHR-SCR ternary complexes...
February 17, 2017: Nature Plants
https://www.readbyqxmd.com/read/28211339/phytoextraction-of-contaminated-urban-soils-by-panicum-virgatum-l-enhanced-with-application-of-a-plant-growth-regulator-bap-and-citric-acid
#5
Matthew Aderholt, Dale L Vogelien, Marina Koether, Sigurdur Greipsson
Lead (Pb) contamination in soil represents a threat to human health. Phytoextraction has gained attention as a potential alternative to traditional remediation methods because of lower cost and minimal soil disruption. The North American native switchgrass (Panicum virgatum L.) was targeted due to its ability to produce high biomass and grow across a variety of ecozones. In this study switchgrass was chemically enhanced with applications of the soil-fungicide benomyl, chelates (EDTA and citric acid), and PGR to optimize phytoextraction of Pb and zinc (Zn) from contaminated urban soils in Atlanta, GA...
February 4, 2017: Chemosphere
https://www.readbyqxmd.com/read/28208090/multi-approach-characterization-of-organic-sediment-produced-by-an-anaerobic-digestion-plant-fed-with-pig-slurry-and-stored-for-a-long-term-in-a-lagoon
#6
Anna Ricci, Luisa Massaccesi, Daniela Pezzolla, Giuseppe Corti, Alberto Agnelli, Giovanni Gigliotti
This study combined different approaches to characterize organic sediments produced by an anaerobic digestion plant feed with pig slurry, and accumulated for many years in a lagoon. The results of all analyses identified a certain homogeneity of the sediments. As a consequence of the pig diet, the sediment contained an high concentration of Zn (about 4gkg(-1)) and Cu (about 1.2gkg(-1)), which were mostly associated to the particles with a size ranging from 2 to 53μm. The sediment was made of large amount of organic matter, mostly cellulose and recalcitrant molecules, and 30-40% mineral fraction...
February 5, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28207797/mutation-increasing-%C3%AE-carotene-concentrations-does-not-adversely-affect-concentrations-of-essential-mineral-elements-in-pepper-fruit
#7
Nasya B Tomlekova, Philip J White, Jacqueline A Thompson, Emil A Penchev, Stephan Nielen
Vitamin and mineral deficiencies are prevalent in human populations throughout the world. Vitamin A deficiency affects hundreds of millions of pre-school age children in low income countries. Fruits of pepper (Capsicum annuum L.) can be a major dietary source of precursors to Vitamin A biosynthesis, such as β-carotene. Recently, pepper breeding programs have introduced the orange-fruited (of) trait of the mutant variety Oranzheva kapiya, which is associated with high fruit β-carotene concentrations, to the mutant variety Albena...
2017: PloS One
https://www.readbyqxmd.com/read/28198489/negative-effects-of-divalent-mineral-cations-on-the-bioaccessibility-of-carotenoids-from-plant-food-matrices-and-related-physical-properties-of-gastro-intestinal-fluids
#8
Joana Corte-Real, Marie Bertucci, Christos Soukoulis, Charles Desmarchelier, Patrick Borel, Elke Richling, Lucien Hoffmann, Torsten Bohn
Carotenoid intake and tissue levels have been frequently associated with reduced risk of chronic diseases. However, their bioavailability is low and influenced by many dietary related parameters. Divalent mineral cations have been suggested to interfere with carotenoid digestion and to hamper micellarization, a prerequisite for their uptake, via complexation of bile salts and precipitation of fatty acids. In the present investigation, we have evaluated the effects of increasing concentrations of magnesium (0-300 mg L(-1)), calcium (0-1500 mg L(-1)), zinc (0-200 mg L(-1)), and sodium (0-1500 mg L(-1); control monovalent cation), on carotenoid bioaccessibility from frequently consumed food items rich in carotenoids (tomato juice, carrot juice, apricot nectar, spinach and field salad), following simulated gastro-intestinal digestion...
February 15, 2017: Food & Function
https://www.readbyqxmd.com/read/28191616/removal-of-pb-zn-and-cd-from-contaminated-soil-by-new-washing-agent-from-plant-material
#9
Yaru Cao, Shirong Zhang, Guiyin Wang, Qinling Huang, Ting Li, Xiaoxun Xu
Soil washing is an effective approach to remove soil heavy metals, and the washing agent is generally regarded as one of the primary factors in the process, but there is still a lack of efficient and eco-friendly agents for this technique. Here, we showed that four plant washing agents-from water extracts of Coriaria nepalensis (CN), Clematis brevicaudata (CB), Pistacia weinmannifolia (PW), and Ricinus communis (RC)-could be feasible agents for the removal of soil lead (Pb), zinc (Zn), and cadmium (Cd). The metal removal efficiencies of the agents increased with their concentrations from 20 to 80 g L(-1), decreased with the increasing solution pH, and presented different trends with the reaction time increasing...
February 12, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28185046/complete-amino-acid-sequence-of-a-copper-zinc-superoxide-dismutase-from-ginger-rhizome
#10
Yuki Nishiyama, Tamo Fukamizo, Kazunari Yoneda, Tomohiro Araki
Superoxide dismutase (SOD) is an antioxidant enzyme protecting cells from oxidative stress. Ginger (Zingiber officinale) is known for its antioxidant properties, however, there are no data on SODs from ginger rhizomes. In this study, we purified SOD from the rhizome of Z. officinale (Zo-SOD) and determined its complete amino acid sequence using N terminal sequencing, amino acid analysis, and de novo sequencing by tandem mass spectrometry. Zo-SOD consists of 151 amino acids with two signature Cu/Zn-SOD motifs and has high similarity to other plant Cu/Zn-SODs...
February 9, 2017: Protein Journal
https://www.readbyqxmd.com/read/28174577/a-novel-rna-binding-protein-involves-aba-signaling-by-post-transcriptionally-repressing-abi2
#11
Jianwen Xu, Yihan Chen, Luofeng Qian, Rong Mu, Xi Yuan, Huimin Fang, Xi Huang, Enshun Xu, Hongsheng Zhang, Ji Huang
The Stress Associated RNA-binding protein 1 (SRP1) repressed by ABA, salt and cold encodes a C2C2-type zinc finger protein in Arabidopsis. The knock-out mutation in srp1 reduced the sensitivity of seed to ABA and salt stress during germination and post-germinative growth stages. In contrast, SRP1-overexpressing seedlings were more sensitive to ABA and salt compared to wild type plants. In the presence of ABA, the transcript levels of ABA signaling and germination-related genes including ABI3. ABI5. EM1 and EM6 were less induced in srp1 compared to WT...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28167937/antiviral-defenses-in-plants-through-genome-editing
#12
REVIEW
Gustavo Romay, Claude Bragard
Plant-virus interactions based-studies have contributed to increase our understanding on plant resistance mechanisms, providing new tools for crop improvement. In the last two decades, RNA interference, a post-transcriptional gene silencing approach, has been used to induce antiviral defenses in plants with the help of genetic engineering technologies. More recently, the new genome editing systems (GES) are revolutionizing the scope of tools available to confer virus resistance in plants. The most explored GES are zinc finger nucleases, transcription activator-like effector nucleases, and clustered regularly interspaced short palindromic repeats/Cas9 endonuclease...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28166935/toxicoses-of-the-ruminant-nervous-system
#13
REVIEW
Gene A Niles
This article discusses the etiology, mechanism of action, clinical signs, and diagnostic tests used to identify toxic agents that affect the nervous system of ruminants. The article is not intended to be an exhaustive review of each agent, but a reference for establishing a differential diagnosis when toxic agents are suspected as the cause of central nervous system disease in ruminants. The initial focus of the article is on agents that cause brain lesions consistent with polioencephalomalacia. Other neurotoxic disease agents include bovine bonkers, urea, organophosphate, organochlorine, cyanobacteria, zinc, aluminum, phosphide, metaldehyde, strychnine, botulism, tetanus, clostridium perfringens, and poisonous plants...
March 2017: Veterinary Clinics of North America. Food Animal Practice
https://www.readbyqxmd.com/read/28155655/between-species-differences-in-gene-copy-number-are-enriched-among-functions-critical-for-adaptive-evolution-in-arabidopsis-halleri
#14
Vasantika Suryawanshi, Ina N Talke, Michael Weber, Roland Eils, Benedikt Brors, Stephan Clemens, Ute Krämer
BACKGROUND: Gene copy number divergence between species is a form of genetic polymorphism that contributes significantly to both genome size and phenotypic variation. In plants, copy number expansions of single genes were implicated in cultivar- or species-specific tolerance of high levels of soil boron, aluminium or calamine-type heavy metals, respectively. Arabidopsis halleri is a zinc- and cadmium-hyperaccumulating extremophile species capable of growing on heavy-metal contaminated, toxic soils...
December 22, 2016: BMC Genomics
https://www.readbyqxmd.com/read/28153402/assessment-of-biotransfer-and-bioaccumulation-of-cadmium-lead-and-zinc-from-fly-ash-amended-soil-in-mustard-aphid-beetle-food-chain
#15
Mudasir Irfan Dar, Iain D Green, Mohd Irfan Naikoo, Fareed Ahmad Khan, Abid Ali Ansari, Mohd Iqbal Lone
The present study investigates the extent of biotransfer and bioaccumulation of cadmium (Cd), lead (Pb) and zinc (Zn) from fly ash amended soil in mustard (Brassica juncea)-aphid (Lipaphis erysimi)-beetle (Coccinella septempunctata) food chain and its subsequent implications for the beetle. The soil was amended with fly ash at the rates of 0, 5, 10, 20 and 40% (w/w). Our results showed that the uptake of Cd, Pb and Zn from soil to mustard root increased with the increase in fly ash application rates, but their root to shoot translocation was relatively restricted...
January 30, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28150142/genome-wide-exploration-of-metal-tolerance-protein-mtp-genes-in-common-wheat-triticum-aestivum-insights-into-metal-homeostasis-and-biofortification
#16
Recep Vatansever, Ertugrul Filiz, Seckin Eroglu
Metal transport process in plants is a determinant of quality and quantity of the harvest. Although it is among the most important of staple crops, knowledge about genes that encode for membrane-bound metal transporters is scarce in wheat. Metal tolerance proteins (MTPs) are involved in trace metal homeostasis at the sub-cellular level, usually by providing metal efflux out of the cytosol. Here, by using various bioinformatics approaches, genes that encode for MTPs in the hexaploid wheat genome (Triticum aestivum, abbreviated as Ta) were identified and characterized...
February 1, 2017: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/28144860/effect-of-the-combined-addition-of-zn-and-pb-on-partitioning-in-sediments-and-their-accumulation-by-the-emergent-macrophyte-schoenoplectus-californicus
#17
Silvana Arreghini, Laura de Cabo, Roberto Serafini, Alicia Fabrizio de Iorio
Wetlands usually provide a natural mechanism that diminishes the transport of toxic compounds to other compartments of the ecosystem by immobilization and accumulation in belowground tissues and/or soil. This study was conducted to assess the ability of Schoenoplectus californicus growing in natural marsh sediments, with zinc and lead addition, to tolerate and accumulate these metals, taking account of the metal distribution in the sediment fractions. The Zn and Pb were mainly found in available (exchangeable) and potentially available (bound to organic matter) forms, respectively...
January 31, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28138761/synergistic-effects-between-si-hemicellulose-matrix-ligands-and-zn-ions-in-inhibiting-cd-ion-uptake-in-rice-oryza-sativa-cells
#18
Jie Ma, Xiuqing Zhang, Lijun Wang
Our study demonstrated that Zn alleviated Cd toxicity in the presence of Si in the cell walls by Zn (2+) binding to ligands through the formation of the [Si-hemicellulose matrix]Zn complexes that restrict the uptake of Cd. The plant cell wall exhibits preferential sites for the accumulation of metals at toxic concentrations. Through modification of wall polysaccharide components, elements, such as silicon (Si) and zinc (Zn), may play active roles in alleviating the toxicity of heavy metals, including cadmium (Cd)...
January 30, 2017: Planta
https://www.readbyqxmd.com/read/28133699/genomic-organization-phylogenetic-comparison-and-expression-profiles-of-the-spl-family-genes-and-their-regulation-in-soybean
#19
Rajiv K Tripathi, Ridhi Goel, Sweta Kumari, Anil Dahuja
SQUAMOSA Promoter-Binding Protein-Like (SPL) genes form a major family of plant-specific transcription factors and play an important role in plant growth and development. In this study, we report the identification of 41 SPL genes (GmSPLs) in the soybean genome. Phylogenetic analysis revealed that these genes were divided into five groups (groups 1-5). Further, exon/intron structure and motif composition revealed that the GmSPL genes are conserved within their same group. The N-terminal zinc finger 1 (Zn1) of the SBP domain was a CCCH (Cys3His1) and the C terminus zinc finger 2 (Zn2) was a CCHC (Cys2HisCys) type...
January 29, 2017: Development Genes and Evolution
https://www.readbyqxmd.com/read/28124144/interaction-between-southern-rice-black-streaked-dwarf-virus-minor-core-protein-p8-and-a-rice-zinc-finger-transcription-factor
#20
Jing Li, Nian-Jun Cai, Jin Xue, Jian Yang, Jian-Ping Chen, Heng-Mu Zhang
The fijivirus southern rice black-streaked dwarf virus (SRBSDV) causes one of the most serious viral diseases of rice in China and Vietnam. To better understand the molecular basis of SRBSDV infection, a yeast two-hybrid screen of a rice cDNA library was carried out using P8, a minor core protein of SRBSDV, as the bait. A rice Cys2His2-type zinc finger protein (OsZFP) was found to interact with SRBSDV P8. A strong interaction between SRBSDV P8 and OsZFP was then confirmed by pull-down assays, and bimolecular fluorescence complementation assays showed that the in vivo interaction was specifically localized in the nucleus of plant cells...
January 25, 2017: Archives of Virology
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