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https://www.readbyqxmd.com/read/29351575/waterlogging-tolerance-tissue-nitrogen-and-oxygen-transport-in-the-forage-legume-melilotus-siculus-a-comparison-of-nodulated-and-nitrate-fed-plants
#1
Dennis Konnerup, Guillermo Toro, Ole Pedersen, Timothy David Colmer
Background and Aims: Soil waterlogging adversely impacts most plants. Melilotus siculus is a waterlogging-tolerant annual forage legume, but data were lacking for the effects of root-zone hypoxia on nodulated plants reliant on N2 fixation. The aim was to compare the waterlogging tolerance and physiology of M. siculus reliant on N2 fixation or with access to NO3-. Methods: A factorial experiment imposed treatments of water level (drained or waterlogged), rhizobia (nil or inoculated) and mineral N supply (nil or 11 mm NO3-) for 21 d on plants in pots of vermiculite in a glasshouse...
January 17, 2018: Annals of Botany
https://www.readbyqxmd.com/read/29351555/omega-3-fatty-acid-desaturase-gene-family-from-two-%C3%AF-3-sources-salvia-hispanica-and-perilla-frutescens-cloning-characterization-and-expression
#2
Yufei Xue, Baojun Chen, Aung Naing Win, Chun Fu, Jianping Lian, Xue Liu, Rui Wang, Xingcui Zhang, Yourong Chai
Omega-3 fatty acid desaturase (ω-3 FAD, D15D) is a key enzyme for α-linolenic acid (ALA) biosynthesis. Both chia (Salvia hispanica) and perilla (Perilla frutescens) contain high levels of ALA in seeds. In this study, the ω-3 FAD gene family was systematically and comparatively cloned from chia and perilla. Perilla FAD3, FAD7, FAD8 and chia FAD7 are encoded by single-copy (but heterozygous) genes, while chia FAD3 is encoded by 2 distinct genes. Only 1 chia FAD8 sequence was isolated. In these genes, there are 1 to 6 transcription start sites, 1 to 8 poly(A) tailing sites, and 7 introns...
2018: PloS One
https://www.readbyqxmd.com/read/29351549/weeds-and-ground-dwelling-predators-response-to-two-different-weed-management-systems-in-glyphosate-tolerant-cotton-a-farm-scale-study
#3
Esteban García-Ruiz, Íñigo Loureiro, Gema P Farinós, Pablo Gómez, Elena Gutiérrez, Francisco Javier Sánchez, María Concepción Escorial, Félix Ortego, María Cristina Chueca, Pedro Castañera
The use of glyphosate, as a post-emergence broad-spectrum herbicide in genetically modified glyphosate-tolerant (GT) cotton, supposes a big change in weed management programs with respect to a conventional regime. Thus, alterations in arable flora and arthropod fauna must be considered when evaluating their potential impacts. A 3-year farm-scale study was conducted in a 2-ha GT cotton crop, in southern Spain, to compare the effects of conventional and glyphosate herbicide regimes on weed abundance and diversity and their consequences for ground-dwelling predators...
2018: PloS One
https://www.readbyqxmd.com/read/29351086/active-phytoconstituents-for-diabetes-management-a-review
#4
Rajnish Gupta
Diabetes is a metabolic syndrome increasing rapidly due to occupational stress, lack of physical activity, sedentary lifestyle and increasing occurrence of obesity, associated with rapidly growing urbanization and industrialization. Due to erroneous carbohydrate metabolism, diabetics are more prone to chronic complications like nephropathy, neuropathy, retinopathy, coronary artery disease and peripheral arterial disease resulting in tissue damage. Current treatment protocols to these problems produce more serious adverse effects and are costly too...
January 19, 2018: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/29350476/investigating-the-mechanisms-underlying-phytoprotection-by-plant-growth-promoting-rhizobacteria-in-spartina-densiflora-under-metal-stress
#5
K Paredes-Páliz, R Rodríguez-Vázquez, B Duarte, M A Caviedes, E Mateos-Naranjo, S Redondo-Gómez, Isabel Caçador, Ignacio D Rodríguez-Llorente, E Pajuelo
Pollution of coasts by toxic metals and metalloids is a worldwide problem for which phytoremediation using halophytes and associated microbiomes is getting relevance. Metal(loid)s excess is a constraint for plant establishment and development, and plant growth promoting rhizobacteria (PGPR) mitigate plant stress under these conditions. However, mechanisms underlying this effect remain elusive. In this paper, the effect of toxic metal(loid)s on the activity of ROS-scavenging enzymes in roots of the halophyte Spartina densiflora grown on real polluted sediments in a green house experiment, was investigated...
January 19, 2018: Plant Biology
https://www.readbyqxmd.com/read/29350442/role-of-ethylene-and-related-gene-expression-in-the-interaction-between-strawberry-plants-and-the-plant-growth-promoting-bacterium-azospirillum-brasilense
#6
J M Elías, M F Guerrero-Molina, M G Martínez-Zamora, J C Díaz-Ricci, R O Pedraza
• The induced systemic resistance (ISR) is one of the indirect mechanisms of growth promotion exerted by plant growth-promoting bacteria, and can be mediated by ethylene (ET). We assessed the ET production and the expression of related genes in the Azospirillum-strawberry plant interaction. • ET production was evaluated by gas chromatography in plants inoculated or not with A. brasilense REC3. Also, plants were treated with AgNO3 , an inhibitor of ET biosynthesis; with 1-aminocyclopropane-1-carboxylic-acid (ACC), a precursor of ET biosynthesis; and with indole acetic acid (IAA)...
January 19, 2018: Plant Biology
https://www.readbyqxmd.com/read/29350410/misidentification-of-recombinant-hepatitis-c-virus-leading-to-treatment-failure-with-direct-acting-antivirals
#7
Thomas Mourez, Amandine Decroos, Odile Goria, Hélène Montialoux, Fabienne DE Oliveira, Sylvie Larrat, Jean-Christophe Plantier, Ghassan Riachi
The use of new Direct Acting Antivirals, specific of HCV, has greatly improved the HCV treatment. Most of the DAA are specific of HCV genotypes. Genotyping methods may target different regions of the HCV genome, though only the whole genome sequencing could confirm the correct genotype. The present study describes the virological investigation of a treatment failure due to the false identification of an unusual 2k/1b recombinant HCV form. It describes the sequencing methods, and the similarity analysis of the sequences to different genotype query sequences, to identify the recombination breakpoint...
January 19, 2018: Journal of Medical Virology
https://www.readbyqxmd.com/read/29350299/mutagenicity-cytotoxic-and-antioxidant-activities-of-ricinus-communis-different-parts
#8
Mazhar Abbas, Abid Ali, Muhammad Arshad, Asia Atta, Zahed Mehmood, Imtiaz Mahmood Tahir, Munawar Iqbal
Ricinus communis (castor plant) is a potent medicinal plant, which is commonly used in the treatment of various ailments. The present study was conducted to appraise the cytotoxicity and mutagenicity of R. communis along with antioxidant and antimicrobial activities. Cytotoxicity was evaluated by hemolytic and brine shrimp assays, whereas Ames test (TA98 and TA100) was used for mutagenicity evaluation. Plant different parts were extracted in methanol by shaking, sonication and Soxhlet extraction methods. The R...
January 19, 2018: Chemistry Central Journal
https://www.readbyqxmd.com/read/29350280/selective-precipitation-and-characterization-of-lignin-carbohydrate-complexes-lccs-from-eucalyptus
#9
Bao-Cheng Zhao, Ji-Dong Xu, Bo-Yang Chen, Xue-Fei Cao, Tong-Qi Yuan, Shuang-Fei Wang, Adam Charlton, Run-Cang Sun
Six types of lignin-carbohydrate complex (LCC) fractions were isolated from Eucalyptus. The acidic dioxane treatment applied significantly improved the yield of LCCs. The extraction conditions had a limited impact on the LCC structures and linkages. Characterization of the lignin-carbohydrate complex (LCC) structures and linkages promises to offer insight on plant cell wall chemistry. In this case, Eucalyptus LCCs were extracted by aqueous dioxane, and then precipitated sequentially by 70% ethanol, 100% ethanol, and acidic water (pH = 2)...
January 19, 2018: Planta
https://www.readbyqxmd.com/read/29350244/autophagy-related-atg-11-atg9-and-the-phosphatidylinositol-3-kinase-control-atg2-mediated-formation-of-autophagosomes-in-arabidopsis
#10
Sangwoo Kang, Kwang Deok Shin, Jeong Hun Kim, Taijoon Chung
Using quantitative assays for autophagy, we analyzed 4 classes of atg mutants, discovered new atg2 phenotypes and ATG gene interactions, and proposed a model of autophagosome formation in plants. Plant and other eukaryotic cells use autophagy to target cytoplasmic constituents for degradation in the vacuole. Autophagy is regulated and executed by a conserved set of proteins called autophagy-related (ATG). In Arabidopsis, several groups of ATG proteins have been characterized using genetic approaches. However, the genetic interactions between ATG genes have not been established and the relationship between different ATG groups in plants remains unclear...
January 19, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/29349932/isolation-and-characterization-of-lectin-with-antibacterial-antibiofilm-and-antiproliferative-activities-from-acinetobacter-baumannii-of-environmental-origin
#11
Abdullah A Alyousef, Abdulaziz Alqasim, Mustafa Sawsan Aloahd
AIMS: Lectin is a non-immunogenic glycoprotein, have been extracted majority from the plant source primarily leguminoasea. Its ability to precisely recognize and bind to the complex cell bound structure to enable it playing diverse roles. In this study, we obligate to define new sources of lectins since the production of lectins is very expensive. Therefore, we performed a study with the goal to isolate and characterize lectin from bacteria of plant origin and screen its ability as an antibacterial, antibiofilm and antiproliferative agent...
January 19, 2018: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29349740/can-cd-translocation-in-oryza-sativa-l-be-attenuated-by-arbuscular-mycorrhizal-fungi-in-the-presence-of-edta
#12
Xiaochen Huang, Guangnan An, Shishu Zhu, Li Wang, Fang Ma
Arbuscular mycorrhizal (AM) fungi play an important role in plant tolerance of heavy metal contamination. In this study, a pot experiment was conducted to illustrate the effects of the two AM fungi species Funneliformis mosseae (Fm) and Rhizophagus irregularis (Ri) on plant growth of Oryza sativa L. either with or without ethylenediamine tetraacetate (EDTA) addition and during exposure to five Cd concentrations (in the range of 0-5 mg kg-1). The results showed that Fm inoculation achieved greater mycorrhizal colonization and mycorrhizal dependency indexes than Ri inoculation...
January 18, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29349734/alternative-soilless-media-using-olive-mill-and-paper-waste-for-growing-ornamental-plants
#13
Antonios Chrysargyris, Omiros Antoniou, Andreas Tzionis, Munoo Prasad, Nikolaos Tzortzakis
Peat-based growing media are not ecologically sustainable and peat extraction threatens sensitive peatland ecosystem. In this study, olive-stone waste (OSW) and paper waste (PW) were used in different ratios-as growing media-for ornamental crop production, as peat (P) substitutes. Marigold (Calendula officinalis L.), petunia (Petunia x hybrita L.) and matthiola (Matthiola incana L.) plants were grown in (1) P (100%), (2) P:OSW (90%:10%), (3) P:OSW (70%:30%), and (4) P:OSW:PW (60%:20%:20%). The physicochemical properties of these substrates and the effects on plant growth were determined...
January 18, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29349683/plantamajoside-inhibits-lipopolysaccharide-induced-muc5ac-expression-and-inflammation-through-suppressing-the-pi3k-akt-and-nf-%C3%AE%C2%BAb-signaling-pathways-in-human-airway-epithelial-cells
#14
Chaonan Ma, Wei Ma
It has been reported that plantamajoside (PMS), a major natural compound isolated from Plantago asiatica, has anti-inflammatory activities. However, the effect of PMS on respiratory inflammatory diseases has not yet been studied. The present study aimed to evaluate the effect of PMS on lipopolysaccharide (LPS)-induced airway inflammation and the underlying mechanism. The results showed that PMS did not affect the cell viability of 16-HBE cells. PMS (20 and 40 μg/ml) decreased the expression levels of MUC5AC, IL-6, and IL-1β, which were induced by LPS treatment...
January 18, 2018: Inflammation
https://www.readbyqxmd.com/read/29349382/intravascular-ultrasound-as-a-novel-tool-for-the-diagnosis-and-targeted-treatment-of-functional-popliteal-artery-entrapment-syndrome
#15
Anna E Boniakowski, Frank Davis, Dani Campbell, Minhajuddin Khaja, Katherine A Gallagher
Functional popliteal artery entrapment syndrome can be difficult to diagnose, as the imaging modalities presently employed are designed to detect anatomic entrapment. We describe a novel imaging technique to aid in diagnosis in this cohort. A 22-year-old cyclist presented with exercise-limiting claudication. Magnetic resonance angiography with provocative maneuvers was nondiagnostic. Digital subtraction angiography revealed long-segment occlusion of the popliteal artery with plantar flexion; however, the specific site of compression remained unclear...
June 2017: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29348389/efficacy-of-curcumin-as-adjuvant-therapy-to-induce-or-maintain-remission-in-ulcerative-colitis-patients-an-evidence-based-clinical-review
#16
Marcellus Simadibrata, Christopher Christian Halimkesuma, Benedicta Mutiara Suwita
BACKGROUND: treatment guidelines for ulcerative colitis (UC) not yet established. Currently, mesalazine, corticosteroids, and immunomodulators are treatment options for UC. However, they are known to have unpleaseant side effects such as nausea, vomiting, headaches, hepatitis, and male infertility. Curcumin is found in Turmeric plants (Curcuma longa L.), which possesses both anti-inflammatory and antioxidant properties. This study aimed to determine whether curcumin as adjuvant therapy can induce or maintain remission in UC patients...
October 2017: Acta Medica Indonesiana
https://www.readbyqxmd.com/read/29348067/physiological-response-and-transcription-profiling-analysis-reveals-the-role-of-h2s-in-alleviating-excess-nitrate-stress-tolerance-in-tomato-roots
#17
Zhaolai Guo, Yuanlin Liang, Jinping Yan, En Yang, Kunzhi Li, Huini Xu
Soil secondary salinization caused by excess nitrate addition is one of the major obstacles in greenhouse vegetable production. Excess nitrate inhibited the growth of tomato plants, while application of 100 μM H2S donor NaHS efficiently increased the plant height, fresh and dry weight of shoot and root, root length, endogenous H2S contents and L-cysteine desulfhydrases activities. NaHS altered the oxidative status of nitrate-stressed plants as inferred by changes in reactive oxygen species (ROS) accumulation and lipid peroxidation accompanied by regulation of the activities of superoxide dismutase (SOD), peroxidase (POD), catalase (CAT), ascorbate peroxidase (APX)...
January 11, 2018: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29348000/biodegradation-and-metabolism-of-tetrabromobisphenol-a-tbbpa-in-the-bioaugmented-activated-sludge-batch-bioreactor-system-by-heterotrophic-and-nitrifying-bacteria
#18
Mohammad Showkatul Islam, Hongde Zhou, Richard G Zytner
  Tetrabromobisphenol A [2,4'-isopropylidenebis(2,6-dibromophenol)] has been identified in wastewater samples collected from the Guelph municipal wastewater treatment plant (GWWTP). In order to assess the kinetics and metabolic mechanisms of the dissolved TBBPA, bench scale experiments were completed with batch bioreactors. The biodegradation test was conducted by taking aerobic sludge from the conventional activated sludge reactor (CAS) and membrane bioreactor (MBR), and bioaugmenting both reactors with soil based strains of Bacillus brevis and Bacillus pumilus...
February 1, 2018: Water Environment Research: a Research Publication of the Water Environment Federation
https://www.readbyqxmd.com/read/29347906/expression-and-functional-analysis-of-the-propamocarb-related-gene-csdir16-in-cucumbers
#19
Chunhong Liu, Zhiwei Qin, Xiuyan Zhou, Ming Xin, Chunhua Wang, Dong Liu, Shengnan Li
BACKGROUND: Cucumber downy mildew is among the most important diseases that can disrupt cucumber production. Propamocarb, also known as propyl-[3-(dimethylamino)propyl]carbamate (PM), is a systemic carbamate fungicide pesticide that is widely applied in agricultural production because of its high efficiency of pathogens control, especially cucumber downy mildew. However, residual PM can remain in cucumbers after the disease has been controlled. To explore the molecular mechanisms of PM retention, cucumber cultivars 'D9320' (with the highest residual PM content) and 'D0351' (lowest residual PM content) were studied...
January 18, 2018: BMC Plant Biology
https://www.readbyqxmd.com/read/29346559/predicting-plant-biomass-accumulation-from-image-derived-parameters
#20
Dijun Chen, Rongli Shi, Jean-Michel Pape, Kerstin Neumann, Daniel Arend, Andreas Graner, Ming Chen, Christian Klukas
Background: Image-based high-throughput phenotyping technologies have been rapidly developed in plant science recently and they provide a great potential to gain more valuable information than traditionally destructive methods. Predicting plant biomass is regarded as a key purpose for plant breeders and ecologist. However, it is a great challenge to find a predictive biomass model across experiments. Results: In the present study, we constructed four predictive models to examine the quantitative relationship between image-based features and plant biomass accumulation...
January 16, 2018: GigaScience
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