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Plant lipids

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https://www.readbyqxmd.com/read/28933563/effects-of-exogenously-applied-salicylic-acid-and-putrescine-alone-and-in-combination-with-rhizobacteria-on-the-phytoremediation-of-heavy-metals-and-chickpea-growth-in-sandy-soil
#1
Naeem Khan, Asghari Bano
The present attempt was made to study the role of exogenously applied salicylic acid (SA) and putrescine (Put) on the phytoremediation of heavy metal and on the growth parameters of chickpea grown in sandy soil. The SA and Put were applied alone as well as in combination with plant growth promoting rhizobacteria (PGPR). The PGPRs, isolated from the rhizosphere of chickpea were characterized on the basis of colony morphology and biochemical traits through gram staining, catalase and oxidase tests, and identified by 16S-rRNA gene sequencing as Bacillus subtilis, Bacillus thuringiensis and Bacillus megaterium...
September 21, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28931281/comparative-study-of-the-phytoprostanes-and-phytofurans-content-of-indica-and-japonica-rice-s-oryza-sativa-l-flours
#2
M Pinciroli, R Dominguez-Perles, A Abellan, A Guy, T Durand, C Oger, J M Galano, F Ferreres, A Gil-Izquierdo
Phytoprostanes and phytofurans (PhytoPs and PhytoFs, respectively) are non-enzymatic lipid peroxidation products derived from α-linolenic acid (C18:3 n-3), considered biomarkers of oxidative degradation in plant foods. The present work profiled these compounds in white and brown grain flours, and rice bran from 14 rice cultivars of the subspecies indica and japonica by UHPLC-ESI-QqQ-MS/MS. For PhytoPs, the average concentrations were higher in rice bran (0.01-9.35 ng g-1) than in white and brown grain flours (0...
September 20, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28930528/biotechnological-improvement-of-nutritional-and-therapeutic-value-of-cultivated-potato
#3
Deepak Singh Bagri, Devanshi Chandel Upadhyay, Subodh Kumar Jain, Chandrama Prakash Upadhyay
Genetic engineering is recognized as a powerful tool for altering the genetic characteristic of crop plants. Genetic engineering has tremendous potential in developing improved potato varieties with desired agronomic traits and has been utilized for improvement of several crop plants including potato to enhance essential amino acid, protein and lipids/carbohydrates contents as well to improve stress tolerance. The pathway engineering of amino acid revealed dramatic changes in essential amino acid content and protein quality...
January 1, 2018: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/28930279/comparative-evaluation-of-oxidative-stress-modulating-and-dna-protective-activities-of-aqueous-and-methanolic-extracts-of-acacia-catechu
#4
Ashwini Patil, Manisha Modak
Background: Plant-derived bioactive compounds are becoming immensely important as potential drugs. Different solvents are being used for extraction of these phytochemicals. Evaluation of biological activities of aqueous plant extracts is important as water soluble compounds would be more beneficial with respect to certification, safety and commercial issues. Oxidative stress is involved in development of many diseases; therefore, antioxidants are now being looked upon as convincing therapeutics against such diseases...
September 5, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28930250/enrichment-of-animal-diets-with-essential-oils-a-great-perspective-on-improving-animal-performance-and-quality-characteristics-of-the-derived-products
#5
REVIEW
Panagiotis E Simitzis
Food industry operates in a competitive market and is continually facing challenges to retain or even increase its market share. Consistent high-quality animal products are required to maintain consumer confidence and consumption. Enrichment of foods with bioactive compounds such as the essential oils appears to improve quality characteristics of the derived products and protects consumers against oxidation and bacterial spoilage effects. Synthetic additives are nowadays questioned due to their suspected carcinogenic potential, and therefore extensive research has been undertaken to identify safe and efficient alternatives...
June 2, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28929610/identification-of-bottlenecks-in-the-accumulation-of-cyclic-fatty-acids-in-camelina-seed-oil
#6
Xiao-Hong Yu, Rebecca E Cahoon, Patrick J Horn, Hai Shi, Richa Rawat Prakash, Yuanheng Cai, Maegan Hearney, Kent D Chapman, Edgar B Cahoon, Jorg Schwender, John Shanklin
Modified fatty acids (mFA) have diverse uses, e.g., cyclopropane fatty acids (CPA) are feedstocks for producing coatings, lubricants, plastics, and cosmetics. The expression of mFA-producing enzymes in crop and model plants generally results in lower levels of mFA accumulation than in their natural-occurring source plants. Thus, to further our understanding of metabolic bottlenecks that limit mFA accumulation, we generated transgenic Camelina sativa lines co-expressing Escherichia coli cyclopropane synthase (EcCPS) and Sterculia foetida lysophosphatidic acid acyltransferase (SfLPAT)...
September 20, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28929453/effects-of-long-term-ingestion-of-white-tea-on-oxidation-produced-by-aging-and-acute-oxidative-damage-in-rats
#7
Cristóbal Espinosa Ruiz, Lorena Cabrera, José Ángel López-Jiménez, Salvador Zamora, Francisca Pérez-Llamas
The infusion tea extracted from the leaves of the plant Camellia sinensis can be used in the prevention of cancer, cardiovascular and neurodegenerative diseases, and aging, while adriamycin (ADR) is an anticancer drug that increases oxidative stress in cells. The present study evaluated the protective effect of the long-term consumption of white tea used at two different doses against the oxidative stress produced by aging and acute oxidation caused ADR treatment. At wearing, rats received distilled water (control), or 0...
September 19, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28928759/identification-of-biomarkers-for-defense-response-to-plasmopara-viticola-in-a-resistant-grape-variety
#8
Giulia Chitarrini, Evelyn Soini, Samantha Riccadonna, Pietro Franceschi, Luca Zulini, Domenico Masuero, Antonella Vecchione, Marco Stefanini, Gabriele Di Gaspero, Fulvio Mattivi, Urska Vrhovsek
Downy mildew (Plasmopara viticola) is one of the most destructive diseases of the cultivated species Vitis vinifera. The use of resistant varieties, originally derived from backcrosses of North American Vitis spp., is a promising solution to reduce disease damage in the vineyards. To shed light on the type and the timing of pathogen-triggered resistance, this work aimed at discovering biomarkers for the defense response in the resistant variety Bianca, using leaf discs after inoculation with a suspension of P...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28928514/component-analysis-of-nutritionally-rich-chloroplasts-recovery-from-conventional-and-unconventional-green-plant-species
#9
Mohamed A Gedi, Rhianna Briars, Felius Yuseli, Noorazwani Zainol, Randa Darwish, Andrew M Salter, David A Gray
A study of the literature indicates that chloroplasts synthesise a range of molecules, many of which have nutritional value for humans, but the nutritional credentials of chloroplasts recovered from plant cells are not established. Chloroplast-rich-fractions (CRFs) were prepared from green plant species and the macro- and micro-nutrient composition compared with the whole leaf materials (WLMs). The results indicated that, on a dry weight basis, CRF material from a range of green biomass was enriched in lipids and proteins, and in a range of micronutrients compared with the WLM...
August 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28926923/involvement-of-mapk-nf-%C3%AE%C2%BAb-signal-transduction-pathways-camellia-japonica-mitigates-inflammation-and-gastric-ulcer
#10
Md Rashedunnabi Akanda, Byung-Yong Park
Gastric ulcer is an important risk factor for human health globally. Camellia japonica (CJ) is a plant of which the fruits are used as traditional phytomedicine for inflammatory and immunomodulatory diseases; however, the underlying molecular mechanism has not been clarified. The present study aimed to investigate the immunopharmacological activities of Camellia japonica and validate its pharmacological targets. To evaluate the protective roles of Camellia japonica on LPS-induced inflammation in RAW 264.7 cells and HCl/EtOH-induced gastric ulcer in mice; we applied 3-(4,5-dimethyl-thiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT), nitric oxide (NO), reactive oxygen species (ROS), histopathology, malondialdehyde (MDA), quantitative real-time polymerase chain reaction (qPCR), immunohistochemistry (IHC), and western blot analyses...
September 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28926816/phycoremediation-of-landfill-leachate-with-the-chlorophyte-chlamydomonas-sp-sw15arl-and-evaluation-of-toxicity-pre-and-post-treatment
#11
Andrea Paskuliakova, Ted McGowan, Steve Tonry, Nicolas Touzet
Landfill leachate treatment is an ongoing challenge in the wastewater management of existing sanitary landfill sites due to the complex nature of leachates and their heavy pollutant load. There is a continuous interest in treatment biotechnologies with expected added benefits for resource recovery; microalgal bioremediation is seen as promising in this regard. Toxicity reduction of landfill leachate subsequent to phycoremediation was investigated in this study. The treatment eventuated from the growth of the ammonia tolerant microalgal strain Chlamydomonas sp...
September 15, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28925901/plant-cell-wall-proteomics-as-a-strategy-to-reveal-candidate-proteins-involved-in-extracellular-lipid-metabolism
#12
Adélaïde Jacq, Vincent Burlat, Elisabeth Jamet
Plant cell walls are composite structures surrounding cells and involved in both mechanical support and perception of their environment. They are mainly composed of polysaccharides (90-95% of their mass) and proteins (5-10%). The cell wall proteins (CWPs) contribute to the arrangements and modifications of polymer networks and to cell-to-cell communication. The structure and composition of cell walls are not uniform in the whole plants, but rather specialized in different cell types to fulfil different functions...
September 18, 2017: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/28925545/methane-delays-the-senescence-and-browning-in-daylily-buds-by-re-established-redox-homeostasis
#13
Huali Hu, Dan Liu, Pengxia Li
BACKGROUND: During the postharvest senescence of fruits and vegetables, redox imbalance occurs. Although the release of methane (CH4 ) has been observed for a long time and its antioxidant properties have recently been demonstrated in animals and plants, the corresponding physiological role of CH4 in regulating plant senescence has not yet been elucidated. RESULTS: Here, our results indicate that the postharvest deterioration of daylily buds during storage is greatly ameliorated by the exogenous application of CH4 , particularly in the inhibition of tissue browning...
September 19, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28923247/effects-of-plant-and-animal-based-high-fat-diets-on-lipid-storage-and-distribution-in-environmental-bacteria-colonized-gnotobiotic-mice
#14
Yi-Hsun Chen, Chien-Chao Chiu, Shao-Wen Hung, Ju-Yun Liu, Yu-Chih Wang, Qiang Lv, Cheng-Chih Hsu, Yi-Wen Huang, Wen-Ching Huang, Hsiao-Li Chuang, Ter-Hsin Chen
Different edible oils such as lard and soybean oil have been reported to interact with the gut microbiota, affecting host lipid metabolism. However, whether bacteria derived from the environment influence host lipid metabolism remains unclear. This study aimed to clarify the roles of environmental bacteria in host lipid storage and distribution with various edible oils. Gnotobiotic C57BL/6JNarl mice were inoculated with Lysinibacillus xylanilyticus and Paenibacillus azoreducens and then fed either a normal diet (LabDiet 5010, control group) or a diet containing 60% lard (L-group) or soybean oil (S-group) for 18 months...
September 15, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28922986/attenuation-of-doxorubicin-induced-cardiotoxicity-and-genotoxicity-by-an-indole-based-natural-compound-3-3-diindolylmethane-dim-through-activation-of-nrf2-are-signaling-pathways-and-inhibiting-apoptosis
#15
Subhadip Hajra, Abhishek Basu, Somnath Singha Roy, Arup Ranjan Patra, Sudin Bhattacharya
The most crucial complication related to doxorubicin (DOX) therapy is nonspecific cytotoxic effect on healthy normal cells. The clinical use of this broad-spectrum chemotherapeutic agent is restricted due to development of severe form of cardiotoxicity, myelosuppression and genotoxicity which interfere with therapeutic schedule, compromise treatment outcome and may lead to secondary malignancy. 3,3'-diindolylmethane (DIM) is a naturally occurring plant alkaloid formed by the hydrolysis of indolylmethyl glucosinolate (glucobrassicin)...
September 18, 2017: Free Radical Research
https://www.readbyqxmd.com/read/28921708/scopoletin-supplementation-ameliorates-steatosis-and-inflammation-in-diabetic-mice
#16
Ra-Yeong Choi, Ju Ri Ham, Hae-In Lee, Hyun Wook Cho, Myung-Sook Choi, Seok-Kyu Park, Jin Lee, Myung-Joo Kim, Kwon-Il Seo, Mi-Kyung Lee
Scopoletin is a bioactive component in many edible plants and fruits. This study investigated the effects of scopoletin on hepatic steatosis and inflammation in a high-fat diet fed type 1 diabetic mice by comparison with metformin. Scopoletin (0.01%, w/w) or metformin (0.5%, w/w) was provided with a high-fat diet to streptozotocin-induced diabetic mice for 11 weeks. Both scopoletin and metformin lowered blood glucose and HbA1c , serum ALT, TNF-α and IL-6 levels, glucose intolerance, and hepatic lipid accumulation compared with the diabetic control group...
September 18, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28920829/allobranchiibius-huperziae-gen-nov-sp-nov-a-member-of-dermacoccaceae-isolated-from-the-root-of-a-medicinal-plant-huperzia-serrata-thunb
#17
Meng-Jie Ai, Ye Sun, Hong-Min Sun, Hong-Yu Liu, Li-Yan Yu, Yu-Qin Zhang
A Gram-stain-positive, non-spore-forming actinobacterial strain, designated CPCC 204077T, was isolated from the surface-sterilized root of a medicinal plant Huperzia serrata (Thunb.) collected from Sichuan Province, south-west China. The peptidoglycan type of strain CPCC 204077T was detected as A4α with an l-Lys-l-Ser-d-Asp interpeptide bridge. Galactose, glucose, rhamnose and ribose were the sugar compositions in the whole-cell hydrolysates. MK-8(H4) was the only menaquinone. The polar lipid profile consisted of diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, phosphatidylinositol, one unidentified phospholipid and one unidentified glycolipid...
September 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28918945/hof1-and-chs4-interact-via-f-bar-domain-and-sel1-like-repeats-to-control-extracellular-matrix-deposition-during-cytokinesis
#18
Younghoon Oh, Jennifer H Schreiter, Hiroki Okada, Carsten Wloka, Satoshi Okada, Di Yan, Xudong Duan, Erfei Bi
Localized extracellular matrix (ECM) remodeling is thought to stabilize the cleavage furrow and maintain cell shape during cytokinesis [1-14]. This remodeling is spatiotemporally coordinated with a cytoskeletal structure pertaining to a kingdom of life, for example the FtsZ ring in bacteria [15], the phragmoplast in plants [16], and the actomyosin ring in fungi and animals [17, 18]. Although the cytoskeletal structures have been analyzed extensively, the mechanisms of ECM remodeling remain poorly understood...
September 6, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28918933/structural-proteomics-topology-and-relative-accessibility-of-plant-lipid-droplet-associated-proteins
#19
Pascale Jolivet, Laure Aymé, Alexandre Giuliani, Frank Wien, Thierry Chardot, Yann Gohon
Lipid droplets are the major stock of lipids in oleaginous plant seeds. Despite their economic importance for oil production and biotechnological issues (biofuels, lubricants and plasticizers), numerous questions about their formation, structure and regulation are still unresolved. To determine water accessible domains of protein coating at lipid droplets surface, a structural proteomic approach has been performed. This technique relies on the millisecond timescale production of hydroxyl radicals by the radiolysis of water using Synchrotron X-ray white beam...
September 14, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28918545/increased-postharvest-life-of-tomlox-b-silenced-mutants-of-tomato-solanum-lycopersicum-var-ta234
#20
Elizabeth León-García, Gilber Vela-Gutiérrez, Oscar A Del Ángel-Coronel, Cristobal Torres-Palacios, Javier De La Cruz-Medina, Miguel A Gómez-Lim, Hugo Sergio García
A healthy lifestyle includes fruits and vegetables consumption. Tomato is one of the most consumed vegetables, although it is susceptible to physical damage through postharvest handling, thus leading to important losses. Softening is an important variable during tomato ripening; excessive softening is undesirable and leads to postharvest losses. TomloxB plays an important role in ripening, mainly in the loss of cellular integrity caused by fatty acids released from the lipid matrix of membranes that initiate oxidative deterioration, which is in turn carried into senescence...
September 16, 2017: Plant Foods for Human Nutrition
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