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https://www.readbyqxmd.com/read/29780401/molecular-characterization-of-squamosa-promoter-binding-protein-like-spl-gene-family-in-betula-luminifera
#1
Xiu-Yun Li, Er-Pei Lin, Hua-Hong Huang, Ming-Yue Niu, Zai-Kang Tong, Jun-Hong Zhang
As a major family of plant-specific transcription factors, SQUAMOSA PROMOTER BINDING PROTEIN-LIKE ( SPL ) genes play vital regulatory roles in plant growth, development and stress responses. In this study, 18 SPL genes were identified and cloned from Betula luminifera . Two zinc finger-like structures and a nuclear location signal (NLS) segments were existed in the SBP domains of all BlSPLs. Phylogenetic analysis showed that these genes were clustered into nine groups (group I-IX). The intron/exon structure and motif composition were highly conserved within the same group...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29780273/ectopic-ring-zinc-finger-gene-from-hot-pepper-induces-totally-different-genes-in-lettuce-and-tobacco
#2
Mahipal Singh Kesawat, Dong Kyun Kim, Naheed Zeba, Mi Chung Suh, Xinli Xia, Choo Bong Hong
Advances in molecular biology have improved crops through transferring genes from one organism to new hosts, and these efforts have raised concerns about potential unexpected outcomes. Here, we provide evidence that a gene with a specific function in one organism can yield completely different effects in a new host. CaRZFP1 is a C3HC4-type RING zinc finger protein gene previously isolated from a cDNA library for heat-stressed hot pepper. In our previous work investigating in vivo CaRZFP1 function, we transferred CaRZFP1 into tobacco; transgenic tobacco exhibited enhanced growth and tolerance to abiotic stresses...
2018: Molecular Breeding: New Strategies in Plant Improvement
https://www.readbyqxmd.com/read/29778679/efficient-metal-adsorption-and-microbial-reduction-from-rawal-lake-wastewater-using-metal-nanoparticle-coated-cotton
#3
Attarad Ali, Ayesha Gul, Abdul Mannan, Muhammad Zia
This study was designed to investigate removal of toxic metals and reduction of bacterial count from Rawal Lake wastewater with novel nanocomposite sorbents. Iron, zinc and silver oxide nanoparticles (NPs) were attached on cotton. The nanocomposites (iron NPs on cotton (FeCt), zinc NPs on cotton (ZnCt) and silver NPs on cotton (AgCt)) were characterized by FTIR, XRD and SEM, which showed successful adsorption of 10-30 nm size nanoparticles. Batch experiments were performed to determine the adsorption capacity of nanocomposite for metal removal...
May 17, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29778168/development-of-a-novel-myconanomining-approach-for-the-recovery-of-agriculturally-important-elements-from-jarosite-waste
#4
Ankita Bedi, Braj Raj Singh, Sunil K Deshmukh, Nisha Aggarwal, Colin J Barrow, Alok Adholeya
In this study, an ecofriendly and economically viable waste management approach have been attempted towards the biosynthesis of agriculturally important nanoparticles from jarosite waste. Aspergillus terreus strain J4 isolated from jarosite (waste from Debari Zinc Smelter, Udaipur, India), showed good leaching efficiency along with nanoparticles (NPs) formation under ambient conditions. Fourier-transform infrared spectroscopy (FT-IR) and transmission electron microscopy (TEM) confirmed the formation of NPs...
May 2018: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/29775103/shoot-litter-breakdown-and-zinc-dynamics-of-an-aquatic-plant-schoenoplectus-californicus
#5
Silvana Arreghini, Laura de Cabo, Roberto José María Serafini, Alicia Fabrizio de Iorio
Decomposition of plant debris is an important process in determining the structure and function of aquatic ecosystems. The aims were to find a mathematic model fitting the decomposition process of Schoenoplectus californicus shoots containing different Zn concentrations; compare the decomposition rates; and assess metal accumulation/mobilization during decomposition. A litterbag technique was applied with shoots containing three levels of Zn: collected from an unpolluted river (RIV) and from experimental populations at low (LoZn) and high (HiZn) Zn supply...
July 3, 2018: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/29774759/melatonin-stimulated-biosynthesis-of-anti-microbial-znonps-by-enhancing-bio-reductive-prospective-in-callus-cultures-of-catharanthus-roseus-var-alba
#6
Hafiza Rida Riaz, Syed Salman Hashmi, Tariq Khan, Christophe Hano, Nathalie Giglioli-Guivarc'h, Bilal Haider Abbasi
Melatonin as plant growth regulator induces differential effects on metabolites that are responsible for reduction, capping and stabilization of zinc oxide nanoparticles. Phytochemical analysis of callus cultures was performed and results were compared with callus cultures supplemented with other plant growth regulators (α-napthalene acetic acid, 2,4-dichlorophenoxy acetic acid and thidiazuron). Highest total phenolic and flavonoid content [42.23 mg of gallic acid equivalent (GAE) g-1 DW and 36.4 mg of (quercetin equivalent) g-1 DW, respectively] were recorded at melatonin (1...
May 18, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29768221/optimised-synthesis-of-zno-nano-fertiliser-through-green-chemistry-boosted-growth-dynamics-of-economically-important-l-esculentum
#7
Nyla Jabeen, Qaisar Maqbool, Tahira Bibi, Mudassar Nazar, Syed Z Hussain, Talib Hussain, Tariq Jan, Ishaq Ahmad, Malik Maaza, Sadaf Anwaar
Mounting-up economic losses to annual crops yield due to micronutrient deficiency, fertiliser inefficiency and increasing microbial invasions (e.g. Xanthomonas cempestri attack on tomatoes) are needed to be solved via nano-biotechnology. So keeping this in view, the authors' current study presents the new horizon in the field of nano-fertiliser with highly nutritive and preservative effect of green fabricated zinc oxide-nanostructures (ZnO-NSs) during Lycopersicum esculentum (tomato) growth dynamics. ZnO-NS prepared via green chemistry possesses highly homogenous crystalline structures well-characterised through ultraviolet and visible spectroscopy, Fourier transform infrared spectroscopy, X-ray diffraction and scanning electron microscope...
June 2018: IET Nanobiotechnology
https://www.readbyqxmd.com/read/29766690/garden-nasturtium-tropaeolum-majus-l-a-source-of-mineral-elements-and-bioactive-compounds
#8
Karolina Jakubczyk, Katarzyna Janda, Katarzyna Watychowicz, Jagoda Łukasiak, Jolanta Wolska
The garden nasturtium (Tropaeolum majus L.) belongs to the family Tropaeolaceae. Native to South America it was brought to Europe in XVI century. It is a plant with numerous healing properties. Medicinal plants such as the garden nasturtium contain trace elements and bioactive compounds which can be easily absorbed by the human body. The flowers and other parts of the garden nasturtium are a good source of micro elements such as potassium, phosphorus, calcium and magnesium, and macro elements, especially of zinc, copper and iron...
2018: Roczniki Państwowego Zakładu Higieny
https://www.readbyqxmd.com/read/29766364/binding-of-cd-ii-pb-ii-and-zn-ii-to-a-type-1-metallothionein-from-maize-zea-mays
#9
Lian Duan, Jing-Jing Kong, Tong-Qing Wang, Yue Sun
Metallothioneins (MTs) are a family of ubiquitous, low-molecular-mass, cysteine-rich proteins that play a significant role in maintaining intracellular metal homeostasis, eliminating metal toxification, and protecting cells against oxidative damages. Research activity on plant MTs, although known for 30 years, has only moderately increased in the past few years. In this study, a type 1 MT from maize (Zea mays) (ZmMT1) was successfully expressed in Escherichia coli strain BL21 (DE3). The UV absorption spectra recorded after the reconstitution of apo-ZmMT1 with different metals demonstrated that ZmMT1 can coordinate up to six Zn(II) ions, six Cd(II) ions, and even higher amounts of Pb(II)...
May 15, 2018: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/29763757/synthesis-and-characterization-of-phytochemical-fabricated-zinc-oxide-nanoparticles-with-enhanced-antibacterial-and-catalytic-applications
#10
Jawad Ali, Rabia Irshad, Baoshan Li, Kamran Tahir, Aftab Ahmad, Muhammad Shakeel, Naeem Ullah Khan, Zia Ul Haq Khan
A "green route" to fabricate nanoparticles has emerged as a revolutionary approach. The reported work presents a green approach to synthesize ZnO nanoparticles using Conyza canadensis plant leaves extract. The synthesis of ZnO was conducted at two different temperatures i.e. 30 °C and 80 °C. ZnO nanoparticles prepared at 80 °C were smaller in size and exhibited spherical morphology. The prepared nanomaterials were examined for the reduction of organic dyes i.e. methylene blue and methyl orange...
May 9, 2018: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29758499/interference-of-three-herbicides-on-iron-acquisition-in-maize-plants
#11
Maria Luce Bartucca, Alessandro Di Michele, Daniele Del Buono
The use of herbicides to control weed species could lead to environmental threats due to their persistence and accumulation in the ecosystems and cultivated fields. Nonetheless, the effect of these compounds on plant mineral nutrition in crops has been barely investigated. This study aimed at ascertaining the effect of three herbicides (S-metolachlor, metribuzin and terbuthylazine) on the capacity of maize to acquire iron (Fe). Interferences on plant growth and reductions on the Fe contents were found in the plants treated...
May 7, 2018: Chemosphere
https://www.readbyqxmd.com/read/29757950/changes-in-arsenic-copper-iron-manganese-and-zinc-levels-resulting-from-the-application-of-poultry-litter-to-agricultural-soils
#12
Richard D Foust, Michael Phillips, Killian Hull, Dariia Yehorova
Twelve applications of poultry litter were made to a 2.1-ha field located in the Shenandoah Valley of Virginia, United States (USA), between March 1999 and August 2014. The field was planted with bermudagrass ( Cynodon dactylon ) and used as a pasture on an active farm. Copper, iron, manganese, zinc, and arsenic concentrations in the poultry litter were measured, and the application rates of these metals were calculated. The median application rates were: Cu, 1.32 kg/ha, Fe, 5.57 kg/ha, Mn, 1.80 kg/ha, Zn, 1...
May 14, 2018: Toxics
https://www.readbyqxmd.com/read/29754773/genome-editing-in-plants-advancing-crop-transformation-and-overview-of-tools
#13
Tariq Shah, Tayyaba Andleeb, Sadia Lateef, Mehmood Ali Noor
Genome manipulation technology is one of emerging field which brings real revolution in genetic engineering and biotechnology. Targeted editing of genomes pave path to address a wide range of goals not only to improve quality and productivity of crops but also permit to investigate the fundamental roots of biological systems. These goals includes creation of plants with valued compositional properties and with characters that confer resistance to numerous biotic and abiotic stresses. Numerous novel genome editing systems have been introduced during the past few years; these comprise zinc finger nucleases (ZFNs), transcription activator-like effector nucleases (TALENs), and clustered regularly interspaced short palindromic repeats/Cas9 (CRISPR/Cas9)...
May 7, 2018: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29752522/meta-qtl-analysis-of-seed-iron-and-zinc-concentration-and-content-in-common-bean-phaseolus-vulgaris-l
#14
Paulo Izquierdo, Carolina Astudillo, Matthew W Blair, Asif M Iqbal, Bodo Raatz, Karen A Cichy
Twelve meta-QTL for seed Fe and Zn concentration and/or content were identified from 87 QTL originating from seven population grown in sixteen field trials. These meta-QTL include 2 specific to iron, 2 specific to zinc and 8 that co-localize for iron and zinc concentrations and/or content. Common bean (Phaseolus vulgaris L.) is the most important legume for human consumption worldwide and it is an important source of microelements, especially iron and zinc. Bean biofortification breeding programs develop new varieties with high levels of Fe and Zn targeted for countries with human micronutrient deficiencies...
May 11, 2018: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/29739310/genetic-diversity-and-characterization-of-arsenic-resistant-endophytic-bacteria-isolated-from-pteris-vittata-an-arsenic-hyperaccumulator
#15
Yunfu Gu, Yingyan Wang, Yihao Sun, Ke Zhao, Quanju Xiang, Xiumei Yu, Xiaoping Zhang, Qiang Chen
BACKGROUND: Alleviating arsenic (As) contamination is a high-priority environmental issue. Hyperaccumulator plants may harbor endophytic bacteria able to detoxify As. Therefore, we investigated the distribution, diversity, As (III) resistance levels, and resistance-related functional genes of arsenite-resistant bacterial endophytes in Pteris vittata L. growing in a lead-zinc mining area with different As contamination levels. RESULTS: A total of 116 arsenite-resistant bacteria were isolated from roots of P...
May 8, 2018: BMC Microbiology
https://www.readbyqxmd.com/read/29734621/elemental-and-isotopic-behaviour-of-zn-in-deccan-basalt-weathering-profiles-chemical-weathering-from-bedrock-to-laterite-and-links-to-zn-deficiency-in-tropical-soils
#16
Nils Suhr, Ronny Schoenberg, David Chew, Carolina Rosca, Mike Widdowson, Balz S Kamber
Zinc (Zn) is a micronutrient for organisms and essential for plant growth, therefore knowledge of its elemental cycling in the surface environment is important regarding wider aspects of human nutrition and health. To explore the nature of Zn cycling, we compared its weathering behaviour in a sub-recent regolith versus an ancient laterite profile of the Deccan Traps, India - an area of known soil Zn deficiency. We demonstrate that progressive breakdown of primary minerals and the associated formation of phyllosilicates and iron oxides leads to a depletion in Zn, ultimately resulting in a loss of 80% in lateritic residues...
April 1, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29734518/zinc-finger-nuclease-zfn-mediated-precision-genome-editing-of-an-endogenous-gene-in-hexaploid-bread-wheat-triticum-aestivum-using-a-dna-repair-template
#17
Yidong Ran, Nicola Patron, Pippa Kay, Debbie Wong, Margaret Buchanan, Ying-Ying Cao, Tim Sawbridge, John P Davies, John Mason, Steven R Webb, German Spangenberg, W Michael Ainley, Terence A Walsh, Matthew J Hayden
Sequence-specific nucleases have been used to engineer targeted genome modifications in various plants. While targeted gene knockouts resulting in loss-of-function have been reported with relatively high rates of success, targeted gene editing using an exogenously supplied DNA repair template and site-specific transgene integration has been more challenging. Here, we report the first application of Zinc Finger Nuclease (ZFN)-mediated, non-homologous end joining (NHEJ)-directed editing of a native gene in allohexaploid bread wheat to introduce, via a supplied DNA repair template, a specific single amino acid change into the coding sequence of acetohydroxyacid synthase (AHAS) to confer resistance to imidazolinone herbicides...
May 7, 2018: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/29727834/a-review-on-bio-synthesized-zinc-oxide-nanoparticles-using-plant-extracts-as-reductants-and-stabilizing-agents
#18
Parita Basnet, T Inakhunbi Chanu, Dhrubajyoti Samanta, Somenath Chatterjee
In the age of technology, nanoparticles have proven to be one of the essential needs for development. These nanoparticles have the potential to be used for a wide variety of applications, thereby, development in improving the quality of nanoparticles, to make them more application specific, is still under research. In this regard, an important point to note is that the procedures employed in synthesizing nanoparticles require to be cost-effective and less-steps involved and have an additional advantage, i.e...
April 24, 2018: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29724127/growth-components-of-cow-s-milk-emphasis-on-effects-in-undernourished-children
#19
Benedikte Grenov, Kim F Michaelsen
BACKGROUND: Cow's milk is a core ingredient in foods for prevention and treatment of undernutrition in children. It promotes growth, but there is limited knowledge of which components in milk have growth-stimulating effects. OBJECTIVE: To discuss the growth-stimulating effects of milk in undernourished children with emphasis on protein, lactose, and minerals. METHODS: We reviewed literature on dairy and growth in undernourished children. RESULTS: Cow's milk has a specific stimulating effect on linear growth, even in well-nourished children, and it may stimulate weight gain and muscle accretion in wasted children...
January 1, 2018: Food and Nutrition Bulletin
https://www.readbyqxmd.com/read/29722686/use-of-the-terrestrial-weed-alternanthera-ficoidea-in-treating-greywater-in-soil-less-shefrol-%C3%A2-bioreactors
#20
S A Abbasi, S M Tauseef
The ornamental plant Alternanthera ficoidea (also named A. tenella), which is common and widespread throughout the tropics and is being increasingly regarded as an invasive, problematic weed, has been explored as a bioagent in greywater treatment. In the recently developed SHEFROL® bioreactor, it was seen to treat greywater of varying strengths (250-1,300 mg/L chemical oxygen demand, COD) quickly and substantially to the extent of 75-77%. Biological oxygen demand (BOD), nitrogen, phosphorus, suspended solids, and heavy metals copper, nickel, manganese, and zinc were also removed to the extents of 83...
May 2018: Water Science and Technology: a Journal of the International Association on Water Pollution Research
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