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https://www.readbyqxmd.com/read/28810059/targeted-genome-editing-in-caenorhabditis-elegans-using-crispr-cas9
#1
REVIEW
Behnom Farboud
Utilization of programmable nucleases to generate DNA lesions at precise endogenous sequences has transformed the ability to edit genomes from microbes to plants and animals. This is especially true in organisms that previously lacked the means to engineer precise genomic changes, like Caenorhabditis elegans. C. elegans is a 1 mm long free-living, nonparasitic, nematode worm, which is easily cultivated in a laboratory. Its detailed genetic map and relatively compact genome (~100 megabases) helped make it the first metazoan to have its entire genome sequenced...
August 15, 2017: Wiley Interdisciplinary Reviews. Developmental Biology
https://www.readbyqxmd.com/read/28806695/use-of-peptide-aptamers-cationic-peptides-and-artificial-zinc-finger-proteins-to-generate-resistance-to-plant-viruses
#2
REVIEW
Takashi Sera
Various RNA/DNA viruses have caused severe infectious diseases in plants as well as animals, including humans, and been a threat to the production of agricultural crops. Therefore, prevention of plant virus infections is a major objective in crop protection. One attractive approach is to inhibit functions of viral proteins responsible for virus infections. In this review, I describe the status using such approaches to confer virus resistance to plants by three types of peptides/proteins: peptide aptamers, artificial zinc finger proteins and acidic peptides...
August 11, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28803149/concentrations-of-polycyclic-aromatic-hydrocarbons-and-trace-elements-in-arctic-soils-a-case-study-in-svalbard
#3
Montse Marquès, Jordi Sierra, Tatiana Drotikova, Montse Mari, Martí Nadal, José L Domingo
A combined assessment on the levels and distribution profiles of polycyclic aromatic hydrocarbons (PAHs) and trace elements in soils from Pyramiden (Central Spitsbergen, Svalbard Archipelago) is here reported. As previously stated, long-range atmospheric transport, coal deposits and previous mining extractions, as well as the stack emissions of two operative power plants at this settlement are considered as potential sources of pollution. Eight top-layer soil samples were collected and analysed for the 16 US EPA priority PAHs and for 15 trace elements (As, Be, Cd, Co, Cr, Cu, Hg, Mn, Mo, Ni, Pb, Sn, Tl, V and Zn) during late summer of 2014...
August 10, 2017: Environmental Research
https://www.readbyqxmd.com/read/28796823/assessment-of-photocatalytic-potentiality-and-determination-of-ecotoxicity-using-plant-model-for-better-environmental-applicability-of-synthesized-copper-copper-oxide-and-copper-doped-zinc-oxide-nanoparticles
#4
Debadrito Das, Animesh Kumar Datta, Divya Vishambhar Kumbhakar, Bapi Ghosh, Ankita Pramanik, Sudha Gupta, Aninda Mandal
NPS SYNTHESIS, CHARACTERIZATION AND AZO-DYE DEGRADATION: A facile cost effective wet chemical method of synthesis is proposed for Cu-NPs, CuO-NPs and Cu-doped ZnO-NPs. The nanomaterials are opto-physically characterized for nano standard quality. Cu-doped ZnO-NPs based catalytic system is found to possess most efficient photocatalytic activity in degradation of two organic azo-dyes namely methyl red (MR) and malachite green (MG) that are released as industrial effluents in eco-environment intercollegium...
2017: PloS One
https://www.readbyqxmd.com/read/28796196/two-c3h-type-zinc-finger-protein-genes-cpczf1-and-cpczf2-from-chimonanthus-praecox-affect-stamen-development-in-arabidopsis
#5
Huamin Liu, Renwei Huang, Jing Ma, Shunzhao Sui, Yulong Guo, Daofeng Liu, Zhineng Li, Yechun Lin, Mingyang Li
Wintersweet (Chimonanthus praecox) is a popular garden plant because of its flowering time, sweet fragrance, and ornamental value. However, research into the molecular mechanism that regulates flower development in wintersweet is still limited. In this study, we sought to investigate the molecular characteristics, expression patterns, and potential functions of two C3H-type zinc finger (CZF) protein genes, CpCZF1 and CpCZF2, which were isolated from the wintersweet flowers based on the flower developmental transcriptome database...
August 10, 2017: Genes
https://www.readbyqxmd.com/read/28791581/phytoextraction-of-potentially-toxic-elements-by-six-tree-species-growing-on-hazardous-mining-sludge
#6
Mirosław Mleczek, Piotr Goliński, Magdalena Krzesłowska, Monika Gąsecka, Zuzanna Magdziak, Paweł Rutkowski, Sylwia Budzyńska, Bogusława Waliszewska, Tomisław Kozubik, Zbigniew Karolewski, Przemysław Niedzielski
The aim of the study was to compare the phytoextraction abilities of six tree species (Acer platanoides L., Acer pseudoplatanus L., Betula pendula Roth, Quercus robur L., Tilia cordata Miller, Ulmus laevis Pall.), cultivated on mining sludge contaminated with arsenic (As), cadmium (Cd), copper (Cu), lead (Pb), thallium (Tl), and zinc (Zn). All six tree species were able to survive on such an unpromising substrate. However, A. platanoides and T. cordata seedlings grown on the polluted substrate showed significantly lower biomass than control plants (55...
August 9, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28780412/atmospheric-emissions-of-cu-and-zn-from-coal-combustion-in-china-spatio-temporal-distribution-human-health-effects-and-short-term-prediction
#7
Rui Li, Junlin Li, Lulu Cui, Yu Wu, Hongbo Fu, Jianmin Chen, Mindong Chen
China has become the largest coal consumer and important emitter of trace metals in the world. A multiple-year inventory of atmospheric copper (Cu) and zinc (Zn) emissions from coal combustion in 30 provinces of China and 4 economic sectors (power plant, industry sector, residential sector, and others) for the period of 1995-2014 has been calculated. The results indicated that the total emissions of Cu and Zn increased from 5137.70 t and 11484.16 t in 1995-7099.24 t and 14536.61 t in 2014, at an annual average growth rate of 1...
August 3, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28771531/the-effects-of-arbuscular-mycorrhizal-fungi-on-glomalin-related-soil-protein-distribution-aggregate-stability-and-their-relationships-with-soil-properties-at-different-soil-depths-in-lead-zinc-contaminated-area
#8
Yurong Yang, Chuangjun He, Li Huang, Yihui Ban, Ming Tang
Glomalin-related soil protein (GRSP), a widespread glycoprotein produced by arbuscular mycorrhizal fungi (AMF), is crucial for ecosystem functioning and ecological restoration. In the present study, an investigation was conducted to comprehensively analyze the effects of heavy metal (HM) contamination on AMF status, soil properties, aggregate distribution and stability, and their correlations at different soil depths (0-10, 10-20, 20-30, 30-40 cm). Our results showed that the mycorrhizal colonization (MC), hyphal length density (HLD), GRSP, soil organic matter (SOM) and soil organic carbon (SOC) were significantly inhibited by Pb compared to Zn at 0-20 cm soil depth, indicating that HM had significant inhibitory effects on AMF growth and soil properties, and that Pb exhibited greater toxicity than Zn at shallow layer of soil...
2017: PloS One
https://www.readbyqxmd.com/read/28763829/f-group-bzips-in-barley-a-role-in-zn-deficiency
#9
Ahmad Zulhilmi Nazri, Jonathan H C Griffin, Kerry A Peaston, Douglas G A Alexander-Webber, Lorraine E Williams
Zinc (Zn) deficiency negatively impacts the development and health of plants and affects crop yield. When experiencing low Zn, plants undergo an adaptive response to maintain Zn homeostasis. We provide further evidence for the role of F-group transcription factors, AtbZIP19 and AtbZIP23, in responding to Zn deficiency in Arabidopsis and demonstrate the sensitivity and specificity of this response. Despite their economic importance, the role of F-group bZIPs in cereal crops is largely unknown. Here we provide new insights by functionally characterizing these in barley (Hordeum vulgare), demonstrating an expanded number of F-group bZIPs (seven) compared to Arabidopsis...
August 1, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28760553/genome-wide-identification-of-sweet-orange-citrus-sinensis-metal-tolerance-proteins-and-analysis-of-their-expression-patterns-under-zinc-manganese-copper-and-cadmium-toxicity
#10
Xing-Zheng Fu, Ya-Hua Tong, Xue Zhou, Li-Li Ling, Chang-Pin Chun, Li Cao, Ming Zeng, Liang-Zhi Peng
Plant metal tolerance proteins (MTPs) play important roles in heavy metal homeostasis; however, related information in citrus plants is limited. Citrus genome sequencing and assembly have enabled us to perform a systematic analysis of the MTP gene family. We identified 12 MTP genes in sweet orange, which we have named as CitMTP1 and CitMTP3 to CitMTP12 based on their sequence similarity to Arabidopsis thaliana MTPs. The CitMTPs were predicted to encode proteins of 864 to 2556 amino acids in length that included 4 to 6 putative transmembrane domains (TMDs)...
July 28, 2017: Gene
https://www.readbyqxmd.com/read/28758909/exogenous-gr24-alleviates-cadmium-toxicity-by-reducing-cadmium-uptake-in-switchgrass-panicum-virgatum-seedlings
#11
Zhenglan Tai, Xinqiang Yin, Zhigang Fang, Gaoling Shi, Laiqing Lou, Qingsheng Cai
Strigolactones (SLs) are classified into plant hormones, playing a key role as a mediator of plant growth in response to several abiotic stresses, including drought and salinity. However, the role of SLs in cadmium (Cd)-induced stress to plants is still unknown. The physiological responses of switchgrass (Panicum virgatum) stressed in 10 μmol L(-1) Cd to exogenous synthetic SLs analog, GR24 were studied in hydroponics. The Cd stress significantly caused the adverse effects on plant growth and root morphology, inhibited photosynthesis, but boosted lipid peroxidation of Switchgrass seedlings...
July 29, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28746739/characterization-and-influence-of-green-synthesized-of-nano-sized-zinc-complex-with-5-aminolevulinic-acid-on-bioactive-compounds-of-aniseed
#12
Vahid Tavallali, Sadegh Rahmati, Vahid Rowshan
A new water soluble zinc-aminolevulinic acid nano complex (n[Zn(ALA)2 ]), which characterized by TEM, IR and EDX spectra, has been prepared via sonochemical method under green conditions in water. In the current study, the effectiveness of foliar Zn amendment using synthetic Zn-ALA nano complex, as a new introduced Zn-fertilizer here, was evaluated. As the model plant, Pimpinella anisum, the most valuable spice and medicinal plant grown in warm regions, was used. By using zinc nano complex, further twenty compounds were obtained in the essential oil of anise plants...
July 26, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28746617/resistance-of-xanthomonas-euvesicatoria-strains-from-brazilian-pepper-to-copper-and-zinc-sulfates
#13
Maysa S Areas, Ricardo M Gonçalves, José M Soman, Ronaldo C Souza, Ricardo Gioria, Tadeu A F DA Silva, Antonio C Maringoni
Bacterial spot, caused by Xanthomonas spp., is one of the major bacterial diseases in pepper (Capsicum annuum L.). The infection results in reduced crop yield, particularly during periods of high rainfall and temperature, due to the low efficiency of chemical control with copper bactericides. This study evaluated the copper and zinc sulfate sensitivity of 59 pathogenic strains of Xanthomonas euvesicatoria isolated from pepper plants produced in various regions throughout Brazil. Both the respective sulfates and a mixture thereof was evaluated at 50, 100, 200 and 400 μg...
July 24, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28738207/translocation-of-heavy-metals-from-soils-into-floral-organs-and-rewards-of-cucurbita-pepo-implications-for-plant-reproductive-fitness
#14
Erna Xun, Yanwen Zhang, Jimin Zhao, Jixun Guo
Metals and metalloids in soil could be transferred into reproductive organs and floral rewards of hyperaccumulator plants and influence their reproductive success, yet little is known whether non-hyperaccumulator plants can translocate heavy metals from soil into their floral organs and rewards (i.e., nectar and pollen) and, if so, whether plant reproduction will be affected. In our studies, summer squash (Cucurbita pepo L. cv. Golden Apple) was exposed to heavy-metal treatments during bud stage to investigate the translocation of soil-supplemented zinc, copper, nickel and lead into its floral organs (pistil, anther and nectary) and rewards (nectar and pollen) as well as floral metal accumulation effects on its reproduction...
July 21, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28735324/study-of-acid-phosphatase-in-solubilization-of-inorganic-phosphates-by-piriformospora-indica
#15
Swetha Seshagiri, Padmavathi Tallapragada
Phosphorus is an essential plant macronutrient present in the soil. Only a small portion of phosphorus in soil is taken up by plants and the rest of it becomes unavailable to plants as it is immobilized. Phosphate solubilizing microorganisms play a vital role in converting the insoluble form of phosphates to the soluble form. The present paper reports the solubilization of tricalcium phosphate, rock phosphate, single super phosphate, zinc phosphate and aluminum phosphate by Piriformospora indica with the production of organic acids as well as acid phosphatase...
January 2, 2017: Polish Journal of Microbiology
https://www.readbyqxmd.com/read/28733937/sequential-extraction-as-novel-approach-to-compare-12-medicinal-plants-from-kenya-regarding-their-potential-to-release-chromium-manganese-copper-and-zinc
#16
R Mogwasi, S Zor, D K Kariuki, M Z Getenga, V Nischwitz
This study is focusing on a novel approach to screen a large number of medicinal plants from Kenya regarding their contents and availability of selected metals potentially relevant for treatment of diabetes patients. For this purpose, total levels of zinc, chromium, manganese, and copper were determined by flame atomic absorption spectrometry and inductively coupled plasma mass spectrometry as well as BCR sequential extraction to fractionate the elemental species in anti-diabetic medicinal plants collected from five natural locations in two sub counties in Nyamira County, Kenya...
July 21, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28732146/medicago-truncatula-zinc-iron-permease6-provides-zinc-to-rhizobia-infected-nodule-cells
#17
Isidro Abreu, Ángela Saéz, Rosario Castro-Rodríguez, Viviana Escudero, Benjamín Rodríguez-Haas, Marta Senovilla, Camille Larue, Daniel Grolimund, Manuel Tejada-Jiménez, Juan Imperial, Manuel González-Guerrero
Zinc is a micronutrient required for symbiotic nitrogen fixation. It has been proposed that in model legume Medicago truncatula, zinc is delivered by the root vasculature into the nodule and released in the infection/differentiation zone. There, transporters must introduce this element into rhizobia-infected cells to metallate the apoproteins that use zinc as a cofactor. MtZIP6 (Medtr4g083570) is a M. truncatula Zinc-Iron Permease (ZIP) that is expressed only in roots and nodules, with the highest expression levels in the infection/differentiation zone...
July 21, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28730426/phytaspase-loaded-mn-doped-zns-quantum-dots-when-embedded-into-chitosan-nanoparticles-leads-to-improved-chemotherapy-of-hela-cells-using-in-cisplatin
#18
Sharmila Narayanan, Deepanjalee Dutta, Neha Arora, Lingaraj Sahoo, Siddhartha Sankar Ghosh
OBJECTIVES: To investigate the potential of recombinant phytaspase loaded manganese (Mn) doped zinc sulphide (ZnS) quantum dots embedded chitosan nanoparticles for augmenting cisplatin induced chemotherapy of HeLa cells. RESULTS: The recombinant phytaspase was cloned into bacterial expression vector PGEX-4T-2. The expressed and purified recombinant plant phytaspase protein from Escherichia coli BL21 was immobilized onto the cationic nanocomposite. Confocal microscopy elucidated the delivery of these luminescent nanocomposites inside cervical cancer HeLa cells...
July 20, 2017: Biotechnology Letters
https://www.readbyqxmd.com/read/28730330/effect-of-the-phosphogypsum-amendment-of-saline-and-agricultural-soils-on-growth-productivity-and-antioxidant-enzyme-activities-of-tomato-solanum-lycopersicum-l
#19
Mariem Smaoui-Jardak, Walid Kriaa, Mohamed Maalej, Mohamed Zouari, Lotfi Kamoun, Wassim Trabelsi, Ferjani Ben Abdallah, Nada Elloumi
The objective of this study was to investigate the effects of phosphogypsum (PG) amendment on the physiochemical proprieties of saline and agricultural soils along with the growth, productivity and antioxidant enzyme activities of tomato plants ( Solanum lycopersicum L.) grown on the amended soils under controlled conditions. Obtained results showed that the amendment of saline soil (H) by PG induced a decrease in pH as well as in electrical conductivity. However, for the non saline soil (MC), there was a decrease in pH associated with an increase in electrical conductivity...
July 20, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28729226/solanum-paniculatum-l-decreases-levels-of-inflammatory-cytokines-by-reducing-nfkb-tbet-and-gata3-gene-expression-in-vitro
#20
Raimon Rios, Hugo Bernardino Ferreira da Silva, Norma Vilany Queiroz Carneiro, Anaque de Oliveira Pires, Tamires Cana Brasil Carneiro, Ryan Dos Santos Costa, Cintia Rodrigues Marques, Marta Santos Serafim Machado, Eudes da Silva Velozo, Telma M G da Silva, Tania M S da Silva, Adilva de Souza Conceição, Neuza Maria Alcântara-Neves, Camila Alexandrina Figueiredo
ETHNOPHARMACOLOGICAL RELEVANCE: Solanum paniculatum L., popularly known as jurubeba, is a common subtropical plant from Brazil, Paraguay, Bolivia and Argentina, that is used in folk medicine for the treatment of anemia, gastrointestinal disorders and inflammatory conditions in general. In addition to that, an ethnobotanical survey in "Todos os Santos" Bay have pointed out S. paniculatum as an herb to treat asthma. Previous publications have shown that S. paniculatum possesses antibiotic, antioxidant and modulatory effects on gastric acid secretion; however, its anti-inflammatory potential remains unexplored...
July 18, 2017: Journal of Ethnopharmacology
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