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Lipid accumulation product

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https://www.readbyqxmd.com/read/28448589/morpho-physiological-analysis-of-tolerance-to-aluminum-toxicity-in-rice-varieties-of-north-east-india
#1
Jay Prakash Awasthi, Bedabrata Saha, Preetom Regon, Smita Sahoo, Umakanta Chowra, Amit Pradhan, Anupam Roy, Sanjib Kumar Panda
Aluminum (Al) is the third most abundant metal in earth crust, whose chemical form is mainly dependent on soil pH. The most toxic form of Al with respect to plants is Al3+, which exists in soil pH <5. Acidic soil significantly limits crop production mainly due to Al3+ toxicity worldwide, impacting approximately 50% of the world's arable land (in North-Eastern India 80% soil are acidic). Al3+ toxicity in plants ensues root growth inhibition leading to less nutrient and water uptake impacting crop productivity as a whole...
2017: PloS One
https://www.readbyqxmd.com/read/28448543/heterologous-expression-of-a-thermophilic-diacylglycerol-acyltransferase-triggers-triglyceride-accumulation-in-escherichia-coli
#2
Beatriz Lázaro, Juan A Villa, Omar Santín, Matilde Cabezas, Cintia D F Milagre, Fernando de la Cruz, Gabriel Moncalián
Triglycerides (TAGs), the major storage molecules of metabolic energy and source of fatty acids, are produced as single cell oil by some oleogenic microorganisms. However, these microorganisms require strict culture conditions, show low carbon source flexibilities, lack efficient genetic modification tools and in some cases pose safety concerns. TAGs have essential applications such as behaving as a source for added-value fatty acids or giving rise to the production of biodiesel. Hence, new alternative methods are urgently required for obtaining these oils...
2017: PloS One
https://www.readbyqxmd.com/read/28443115/cytosolic-glyceraldehyde-3-phosphate-dehydrogenase-is-phosphorylated-during-seed-development
#3
Claudia V Piattoni, Danisa M L Ferrero, Ignacio Dellaferrera, Abelardo Vegetti, Alberto Á Iglesias
Cytosolic glyceraldehyde-3-phosphate dehydrogenase (NAD-GAPDH) is involved in a critical energetic step of glycolysis and also has many important functions besides its enzymatic activity. The recombinant wheat NAD-GAPDH was phosphorylated in vitro at Ser205 by a SNF1-Related protein kinase 1 (SnRK1) from wheat heterotrophic (but not from photosynthetic) tissues. The S205D mutant enzyme (mimicking the phosphorylated form) exhibited a significant decrease in activity but similar affinity toward substrates. Immunodetection and activity assays showed that NAD-GAPDH is phosphorylated in vivo, the enzyme depicting different activity, abundance and phosphorylation profiles during development of seeds that mainly accumulate starch (wheat) or lipids (castor oil seed)...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28443020/bgp-15-protects-against-oxaliplatin-induced-skeletal-myopathy-and-mitochondrial-reactive-oxygen-species-production-in-mice
#4
James C Sorensen, Aaron C Petersen, Cara A Timpani, Dean G Campelj, Jordan Cook, Adam J Trewin, Vanesa Stojanovska, Mathew Stewart, Alan Hayes, Emma Rybalka
Chemotherapy is a leading intervention against cancer. Albeit highly effective, chemotherapy has a multitude of deleterious side-effects including skeletal muscle wasting and fatigue, which considerably reduces patient quality of life and survivability. As such, a defense against chemotherapy-induced skeletal muscle dysfunction is required. Here we investigate the effects of oxaliplatin (OXA) treatment in mice on the skeletal muscle and mitochondria, and the capacity for the Poly ADP-ribose polymerase (PARP) inhibitor, BGP-15, to ameliorate any pathological side-effects induced by OXA...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28442003/lipid-production-for-biodiesel-from-sludge-and-crude-glycerol
#5
Xiaolei Zhang, Jiaxin Chen, Song Yan, Rajeshwar Dayal Tyagi, Rao Y Surampalli, Ji Li
  Oleaginous yeast Trichosporon oleaginosus was studied for lipid production using municipal sludge with or without fortification of crude glycerol in a 15-L fermenter. The maximum lipid content (concentration) was 32.0% w/w (9.35 g/L), 33.6% (10.13 g/L), 33.3% (9.13 g/L), and 33.1% (9.03 g/L) w/w with the addition of 25, 50, 100, and 150 g/L glycerol, respectively. Glycerol concentration had little effect on lipid accumulation. However, glycerol concentration substantially affected increase of biomass concentration and cell count...
May 1, 2017: Water Environment Research: a Research Publication of the Water Environment Federation
https://www.readbyqxmd.com/read/28441735/effects-of-flavonoids-and-triterpene-analogues-from-leaves-of-eleutherococcus-sieboldianus-makino-koidz-himeukogi-in-3t3-l1-preadipocytes
#6
Atsuyoshi Nishina, Masaya Itagaki, Yuusuke Suzuki, Mamoru Koketsu, Masayuki Ninomiya, Daisuke Sato, Takashi Suzuki, Satoshi Hayakawa, Makoto Kuroda, Hirokazu Kimura
Eleutherococcus sieboldianus (Makino) Koidz. is a local product from the area in and around Yonezawa City in Yamagata Prefecture, Japan. It has been used as a medicinal plant for a long time. We isolated and identified four types of flavonoid glycosides [astragalin (1), isoquercetin (2), rhamnocitrin 3-O-glucoside (3), and nicotiflorin (4)], a triterpene [methyl hederagenin (5)], and three types of triterpene glycosides [δ-hederin (6), echinocystic acid 3-O-arabinoside (7), and cauloside B (8)] from the methanol extract of E...
April 22, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28439814/imaging-the-accumulated-intracellular-microalgal-lipids-as-a-response-to-temperature-stress
#7
Khaled N M Elsayed, Tatiana A Kolesnikova, Anja Noke, Gerd Klöck
Over the last few decades, many scientists considered microalgae as promising actors for future biofuels because of the high lipid productivity inside their cells. Moreover, much attention has been paid to algal lipids as they can be used in biodiesel production. In this study, we optimized the different suitable conditions such as incubation time, incubation temperature, Dimethylesulfoxide and Nile red concentrations of the lipophilic fluorescence dye Nile red as an excellent and fast vital stain to detect and quantify intracellular lipids...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28439279/metabolic-investigation-of-phelipanche-aegyptiaca-reveals-significant-changes-during-developmental-stages-and-in-its-different-organs
#8
Noam Nativ, Yael Hacham, Joseph Hershenhorn, Evgenia Dor, Rachel Amir
Phelipanche aegyptiaca Pers. is a root holoparasitic plant considered to be among the most destructive agricultural weeds worldwide. In order to gain more knowledge about the metabolic profile of the parasite during its developmental stages, we carried out primary metabolic and lipid profiling using GC-MS analysis. In addition, the levels of amino acids that incorporate into proteins, total protein in the albumin fraction, nitrogen, reduced sugars, and phenols were determined. For the assays, the whole plants from the four developmental stages-tubercle, pre-emergent shoot, post-emergent shoot, and mature flowering plants-were taken...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28439258/diabetic-cardiomyopathy-an-immunometabolic-perspective
#9
REVIEW
Paras K Mishra, Wei Ying, Shyam Sundar Nandi, Gautam K Bandyopadhyay, Kaushik K Patel, Sushil K Mahata
The heart possesses a remarkable inherent capability to adapt itself to a wide array of genetic and extrinsic factors to maintain contractile function. Failure to sustain its compensatory responses results in cardiac dysfunction, leading to cardiomyopathy. Diabetic cardiomyopathy (DCM) is characterized by left ventricular hypertrophy and reduced diastolic function, with or without concurrent systolic dysfunction in the absence of hypertension and coronary artery disease. Changes in substrate metabolism, oxidative stress, endoplasmic reticulum stress, formation of extracellular matrix proteins, and advanced glycation end products constitute the early stage in DCM...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28438358/potential-of-oleaginous-yeast-trichosporon-sp-for-conversion-of-sugarcane-bagasse-hydrolysate-into-biodiesel
#10
K K Brar, A K Sarma, Mohammad Aslam, Igor Polikarpov, B S Chadha
This study reports production of microbial oil from a yeast strain Trichosporon sp., (RW) isolated from decayed wood. Preliminary analysis based on fluorescence microscopy and spectroscopy of Nile red stained yeast cells showed accumulation of lipid globules. The potential of the yeast to produce lipids was evaluated on glucose, glycerol and acid hydrolysate of sugarcane bagasse, where Trichosporon sp. (RW) was found to accumulate 21.45 (59.6%), 18.41 (56%) and 10.25g/l (40.5%) of the lipids after 120h of fermentation at 30°C...
March 28, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28437481/firemaster%C3%A2-550-and-its-components-isopropylated-triphenyl-phosphate-and-triphenyl-phosphate-enhance-adipogenesis-and-transcriptional-activity-of-peroxisome-proliferator-activated-receptor-ppar%C3%AE-on-the-adipocyte-protein-2-ap2-promoter
#11
Emily W Y Tung, Shaimaa Ahmed, Vian Peshdary, Ella Atlas
Firemaster® 550 (FM550) is a chemical mixture currently used as an additive flame retardant in commercial products, and is comprised of 2-ethylhexyl-2,3,4,5-tertrabromobenzoate (TBB), bis(2-ethylhexyl) tetrabromophthalate (TBPH), triphenyl phosphate (TPP), and isopropylated triphenyl phosphate (IPTP). Animal and in vitro studies suggest that FM550, TPP and IPTP may have adipogenic effects and may exert these effects through PPARγ activation. Using murine 3T3-L1 preadipocytes, we investigated the detailed expression of transcription factors and adipogenic markers in response to FM550 and its components...
2017: PloS One
https://www.readbyqxmd.com/read/28436966/microbial-metabolites-regulate-host-lipid-metabolism-through-nr5a-hedgehog-signalling
#12
Chih-Chun Janet Lin, Meng C Wang
Microorganisms and their hosts share the same environment, and microbial metabolic molecules (metabolites) exert crucial effects on host physiology. Environmental factors not only shape the composition of the host's resident microorganisms, but also modulate their metabolism. However, the exact molecular relationship among the environment, microbial metabolites and host metabolism remains largely unknown. Here, we discovered that environmental methionine tunes bacterial methyl metabolism to regulate host mitochondrial dynamics and lipid metabolism in Caenorhabditis elegans through an endocrine crosstalk involving NR5A nuclear receptor and Hedgehog signalling...
May 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28436456/synthesis-and-anti-obesity-effects-in-vivo-of-crotadihydrofuran-c-as-a-novel-ppar%C3%AE-antagonist-from-crotalaria-albida
#13
Qin-Hu Sun, Yu Zhang, Gui-Xin Chou
Crotadihydrofuran C (CC) from the herbs of Crotalaria albida is able to inhibit adipocyte differentiation and lipid accumulation. However, the effects of CC on obesity and metabolic disorders have not yet been elucidated. In our study, the first enantioselective synthesis of the 2-isopropenyl dihydrofuran isoflavone skeleton (CC) is described. The convenient and efficient synthetic protocols developed skilfully solve the problems of the ortho-para directing group and Suzuki coupling reaction using a boronic acid pinacol ester that was more stable and easy to obtain...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28435131/repression-of-acetaminophen-induced-hepatotoxicity-by-a-combination-of-celastrol-and-brilliant-blue-g
#14
Heba A Abdelaziz, Mohamed E Shaker, Mohamed F Hamed, Nariman M Gameil
The sterile inflammatory response is an eminent contributor to acetaminophen (APAP)-hepatotoxicity in humans. Recent advances unraveled an axial role of the NLRP3-inflammasome in APAP-post injury inflammation. Nevertheless, the role of signaling events preceded the NLRP3-inflammasome activation, like the transcription factor NF-κB and the purinergic receptor P2×7, is still unclear and needs further elucidation. Here, we investigated the pharmacological inhibition of these upstream signaling molecules by celastrol and brilliant blue G (BBG) (separately or simultaneously) in APAP-hepatotoxicity in mice...
April 20, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28433582/effects-of-twenty-standard-amino-acids-on-biochemical-constituents-docosahexaenoic-acid-production-and-metabolic-activity-changes-of-crypthecodinium-cohnii
#15
Waseem Safdar, Xinyi Zan, Muhammad Shamoon, Hafiz Rizwan Sharif, Omar Mukama, Xin Tang, Yuanda Song
The influence of 20 standard amino acids was investigated on growth, lipid accumulation, docosahexaenoic acid (DHA) production and cell biochemical composition of Crypthecodinium cohnii. C. cohnii efficiently utilize organic nitrogen (predominantly threonine and to a lesser extent tyrosine and serine) as compared to inorganic nitrogen (NH4)2SO4. However, No significant effect was observed on major biochemical composition of C. cohnii (lipids, carbohydrates and proteins) under N limitation or supplementation with different N-sources...
April 9, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28432996/toxicological-effects-of-phenol-on-four-marine-microalgae
#16
Weiyan Duan, Fanping Meng, Yufei Lin, Guoshan Wang
The toxic effects of phenol on four marine microalgae (Dunaliella salina, Platymonas subcordiformis, Phaeodactylum tricornutum Bohlin, and Skeletonema costatum) were evaluated. The 96h EC50 values were 72.29, 92.97, 27.32, and 27.32mgL(-1), respectively, which were lower than those values of freshwater microalgae reported in the literature. During a 96-h exposure to a sub-lethal concentration of phenol (1/2 96h EC50) with green alga (D. salina) and diatom (S. costatum), reactive oxygen species (ROS) accumulation, and chlorophyll a (Chl a) content decrease were simultaneously observed in diatom cells after 48h treatment...
April 13, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28429330/growth-kinetics-fatty-acid-composition-and-metabolic-activity-changes-of-crypthecodinium-cohnii-under-different-nitrogen-source-and-concentration
#17
Waseem Safdar, Muhammad Shamoon, Xinyi Zan, Junaid Haider, Hafiz Rizwan Sharif, Muhammad Shoaib, Yuanda Song
The effect of varying concentrations of the nitrogen source on the growth kinetics, lipid accumulation, lipid and DHA productivity, and fatty acid composition of C. cohnii was elucidated. Growth of C. cohnii was in three distinct growth stages: cell growth, lipid accumulation and a final lipid turnover stage. Most of lipids were accumulated in lipid accumulation stage (48-120 h) though, slow growth rate was observed during this stage. NaNO3 supported significantly higher lipid content (26.9% of DCW), DHA content (0...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28428819/lipid-production-and-molecular-dynamics-simulation-for-regulation-of-accd-gene-in-cyanobacteria-under-different-n-and-p-regimes
#18
Roshan Kumar, Koushik Biswas, Puneet Kumar Singh, Pankaj Kumar Singh, Sanniyasi Elumalai, Pratyoosh Shukla, Sunil Pabbi
BACKGROUND: Microalgae grown under different nutrient deficient conditions present a good source of natural lipids with applications for several types of biofuels. The expression of acetyl-CoA carboxylase gene can further provide an insight to the mechanisms leading to enhanced lipid production under such stresses. In this study, two nutrients viz. nitrogen and phosphorus were modulated to see its effect on lipid productivity in selected cyanobacteria and its correlation with Accase followed by molecular dynamics simulation...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28426167/characterization-the-carotenoid-productions-and-profiles-of-three-rhodosporidium-toruloides-mutants-from-agrobacterium-tumefaciens-mediated-transformation
#19
Xinping Lin, Ning Gao, Sasa Liu, Sufang Zhang, Shuang Song, Chaofan Ji, Xiuping Dong, Yichen Su, Zongbao Kent Zhao, Beiwei Zhu
The red yeast Rhodosporidium toruloides is a known lipid producer capable of accumulating large amounts of triacylglycerols and carotenoids. However, it remains challenging to study its carotenoid production profiles due to limited biochemical information and inefficient genetic tools. Here we used an Agrobacterium tumefaciens-mediated transformation (ATMT) to change its carotenoid production and profiles. We constructed R. toruloides NP11 mutant libraries with ATMT, selected 3 mutants with different colors, characterized their carotenoid products by high pressure liquid chromatography-mass spectrometry (HPLC-MS) analysis, and assured differences among those strains in terms of carotenoid production and its composition profiles...
April 20, 2017: Yeast
https://www.readbyqxmd.com/read/28423468/cytoprotective-effects-of-dietary-flavonoids-against-cadmium-induced-toxicity
#20
REVIEW
Xia Li, Xinwei Jiang, Jianxia Sun, Cuijuan Zhu, Xiaoling Li, Lingmin Tian, Liu Liu, Weibin Bai
Cadmium (Cd) damages the liver, kidney, bones, reproductive system, and other organs. Flavonoids, such as anthocyanins and flavonols, which are commonly found in plant foods, have shown protective effects against Cd-induced damage. The cytoprotective effects of flavonoids against Cd-induced diseases are mainly attributable to three mechanisms. First, flavonoids clear reactive oxygen species, thereby reducing lipid peroxide production and improving the activity of antioxidation enzymes. Second, flavonoids chelate Cd, thus reducing the accumulation of Cd and altering the levels of other essential metal ions in vivo...
April 19, 2017: Annals of the New York Academy of Sciences
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