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Carbohydrate metabolism

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https://www.readbyqxmd.com/read/29332190/transcriptomic-profiling-of-developing-fiber-in-levant-cotton-gossypium-herbaceum-l
#1
Mithil J Parekh, Sushil Kumar, Ranbir S Fougat, Harshvardhan N Zala, Ramesh J Pandit
Cotton (Gossypium spp.) is an imperative economic crop of the globe due to its natural textile fiber. Molecular mechanisms of fiber development have been greatly revealed in allotetraploid cotton but remained unexplored in Gossypium herbaceum. G. herbaceum can withstand the rigors of nature like drought and pests but produce coarse lint. This undesirable characteristic strongly needs the knowledge of fiber development at molecular basis. The present study reported the transcriptome sequence of the developing fiber of G...
January 13, 2018: Functional & Integrative Genomics
https://www.readbyqxmd.com/read/29331529/effect-of-acids-produced-from-carbohydrate-metabolism-in-cryoprotectants-on-the-viability-of-freeze-dried-lactobacillus-and-prediction-of-optimal-initial-cell-concentration
#2
Shumao Cui, Feng Hang, Xiaoming Liu, Zhiyuan Xu, Zhenmin Liu, Jianxin Zhao, Hao Zhang, Wei Chen
For the industrial production of probiotics powder, various sugars have been used as cryoprotectants to preserve probiotics during freeze-drying. Some of these sugars can be metabolized by Lactobacillus with the production of acids during the mix. In this study, we investigated the effect of acids on ATPase, β-galactosidase, lactate dehydrogenase (LDH), integrity and fluidity of cell membrane and the survival rate of Lactobacillus during freeze-drying. In the presence of Lactobacillus, acids were produced from cryoprotectants containing fermentable sugars before freezing, resulting in a decrease in the pH of the bacterial suspension to below 5...
January 11, 2018: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/29331507/adropin-an-endocrine-link-between-the-biological-clock-and-cholesterol-homeostasis
#3
Sarbani Ghoshal, Joseph R Stevens, Cyrielle Billon, Clemence Girardet, Sadichha Sitaula, Arthur S Leon, D C Rao, James S Skinner, Tuomo Rankinen, Claude Bouchard, Marinelle V Nuñez, Kimber L Stanhope, Deborah A Howatt, Alan Daugherty, Jinsong Zhang, Matthew Schuelke, Edward P Weiss, Alisha R Coffey, Brian J Bennett, Praveen Sethupathy, Thomas P Burris, Peter J Havel, Andrew A Butler
OBJECTIVE: Identify determinants of plasma adropin concentrations, a secreted peptide translated from the Energy Homeostasis Associated (ENHO) gene linked to metabolic control and vascular function. METHODS: Associations between plasma adropin concentrations, demographics (sex, age, BMI) and circulating biomarkers of lipid and glucose metabolism were assessed in plasma obtained after an overnight fast in humans. The regulation of adropin expression was then assessed in silico, in cultured human cells, and in animal models...
December 30, 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29330509/transcriptome-analysis-reveals-carbohydrate-mediated-liver-immune-responses-in-epinephelus-akaara
#4
Yunxia Yang, Tao Han, Jia Xiao, Xinyu Li, Jiteng Wang
As the cheapest energy source, carbohydrates are used in fish feeds to improve physical quality and reduce catabolism of proteins and lipids. The liver is the primary organ for metabolism and is also an important site of immune regulation. Here, we investigated the effect of different dietary carbohydrate levels on growth and health by evaluating the liver transcriptome of Epinephelus akaara. In this study, E. akaara juveniles were fed diets containing few (0% corn starch), moderate (18% corn starch), and high (30% corn starch) levels of dietary carbohydrate...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29330494/characterizing-the-bacterial-microbiota-in-different-gastrointestinal-tract-segments-of-the-bactrian-camel
#5
Jing He, Li Yi, Le Hai, Liang Ming, Wanting Gao, Rimutu Ji
The bacterial community plays important roles in the gastrointestinal tracts (GITs) of animals. However, our understanding of the microbial communities in the GIT of Bactrian camels remains limited. Here, we describe the bacterial communities from eight different GIT segments (rumen, reticulum, abomasum, duodenum, ileum, jejunum, caecum, colon) and faeces determined from 11 Bactrian camels using 16S rRNA gene amplicon sequencing. Twenty-seven bacterial phyla were found in the GIT, with Firmicutes, Verrucomicrobia and Bacteroidetes predominating...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29330289/brca1-through-its-e3-ligase-activity-regulates-the-transcription-factor-oct1-and-carbohydrate-metabolism
#6
Karina Vázquez-Arreguín, Jessica Maddox, Jinsuk Kang, Dongju Park, Reuben R Cano, Rachel E Factor, Thomas Ludwig, Dean Tantin
The tumor suppressor BRCA1 regulates the DNA damage response (DDR) and other processes that remain incompletely defined. Among these, BRCA1 heterodimerizes with BARD1 to ubiquitylate targets via its N-terminal E3 ligase activity. Here it is demonstrated that BRCA1 promotes oxidative metabolism by degrading Oct1 (POU2F1), a transcription factor with pro-glycolytic and tumorigenic effects. BRCA1 E3 ubiquitin ligase mutation skews cells towards a glycolytic metabolic profile while elevating Oct1 protein. CRISPR-mediated Oct1 deletion reverts the glycolytic phenotype...
January 12, 2018: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/29329517/genome-wide-analyses-of-direct-target-genes-of-four-rice-nac-domain-transcription-factors-involved-in-drought-tolerance
#7
Pil Joong Chung, Harin Jung, Yang Do Choi, Ju-Kon Kim
BACKGROUND: Plant stress responses and mechanisms determining tolerance are controlled by diverse sets of genes. Transcription factors (TFs) have been implicated in conferring drought tolerance under drought stress conditions, and the identification of their target genes can elucidate molecular regulatory networks that orchestrate tolerance mechanisms. RESULTS: We generated transgenic rice plants overexpressing the 4 rice TFs, OsNAC5, 6, 9, and 10, under the control of the root-specific RCc3 promoter...
January 12, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29329236/gender-associated-impact-of-early-leucine-supplementation-on-adult-predisposition-to-obesity-in-rats
#8
Nora López, Juana Sánchez, Andreu Palou, Francisca Serra
Early nutrition plays an important role in development and may constitute a relevant contributor to the onset of obesity in adulthood. The aim of this study was to evaluate the long-term impact of maternal leucine (Leu) supplementation during lactation on progeny in rats. A chow diet, supplemented with 2% Leu, was supplied during lactation (21 days) and, from weaning onwards, was replaced by a standard chow diet. Then, at adulthood (6 months of age), this was replaced with hypercaloric diets (either with high-fat (HF) or high-carbohydrate (HC) content), for two months, to induce obesity...
January 12, 2018: Nutrients
https://www.readbyqxmd.com/read/29329013/antiobesity-effect-of-lactobacillus-reuteri-263-associated-with-energy-metabolism-remodeling-of-white-adipose-tissue-in-high-energy-diet-fed-rats
#9
Li-Han Chen, Yi-Hsing Chen, Kuan-Chen Cheng, Ting-Yi Chien, Ching-Hung Chan, Shu-Ping Tsao, Hui-Yu Huang
Obesity is a serious and costly issue to the medical welfare worldwide. Probiotics have been suggested as one of the candidates to resolve the obesity-associated problems, but how they combat obesity is not fully understood. Herein, we investigated the effects of Lactobacillus reuteri 263 (L. reuteri 263) on antiobesity using four groups of Sprague-Dawley rats (n=10/group), namely, C (normal diet with vehicle treatment), HE [high-energy diet (HED) with vehicle treatment], 1X (HED with 2.1×109 CFU/kg/day of L...
November 16, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29328029/-metabolic-secretion-in-reproductive-age-women-with-obesity
#10
A Malazonia, T Zerekidze, N Vekua, N Chkheidze, K Asatiani
For the last decade melatonin has attracted attention as a neuroregulator in pathogenesis of obesity and metabolic syndrome. The aim of our study is to evaluate the characteristics of metabolic secretion in obese women of reproductive age. The study was conducted on the total number of 120 women. Eighty women with obesity formed the case group, and forty healthy women - the control group. Carbohydrate metabolism, lipid profile and serum levels of melatonin were evaluated in all study subjects. According to the results, 61...
December 2017: Georgian Medical News
https://www.readbyqxmd.com/read/29327410/genomic-insights-into-the-acidobacteria-reveal-strategies-for-their-success-in-terrestrial-environments
#11
Stephanie A Eichorst, Daniela Trojan, Simon Roux, Craig Herbold, Thomas Rattei, Dagmar Woebken
Members of the phylum Acidobacteria are abundant and ubiquitous across soils. We performed the largest (to date) comparative genome analysis spanning subdivisions 1, 3, 4, 6, 8, and 23 (n=24) with the goal to identify features to help explain their prevalence in soils and understand their ecophysiology. In contrast to earlier studies, our analysis revealed that bacteriophage integration events along with transposable and mobile elements influenced the structure and plasticity of these genomes. Low- and high-affinity respiratory oxygen reductases were detected in multiple genomes, suggesting the capacity for growing across different oxygen gradients...
January 12, 2018: Environmental Microbiology
https://www.readbyqxmd.com/read/29327320/phylogenetic-analysis-and-biological-evaluation-of-marine-endophytic-fungi-derived-from-red-sea-sponge-hyrtios-erectus
#12
Mervat Morsy Abbas Ahmed El-Gendy, Shaymaa M M Yahya, Ahmed R Hamed, Maha M Soltan, Ahmed Mohamed Ahmed El-Bondkly
Forty-four endophytic fungal isolates obtained from marine sponge, Hyrtios erectus, were evaluated and screened for their hydrolase activities. Most of the isolates were found to be prolific producers of hydrolytic enzymes. Only 11 isolates exhibited maximum cellular contents of lipids, rhamnolipids, and protein in the fungal isolates under the isolation numbers MERVA5, MERVA22, MERVA25, MERVA29, MERVA32, MERVA34, MERV36, MERVA39, MERVA42, MERVA43, and MERVA44. These isolate extracts exhibit the highest reducing activities against carbohydrate-metabolizing enzymes including α-amylase, α-glucosidase, β-glucosidase, β-glucuronidase, and tyrosinase...
January 12, 2018: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/29327229/leopoldia-comosa-prevents-metabolic-disorders-in-rats-with-high-fat-diet-induced-obesity
#13
T Casacchia, F Scavello, C Rocca, M C Granieri, G Beretta, D Amelio, F Gelmini, A Spena, R Mazza, C C Toma, Tommaso Angelone, Giancarlo Statti, T Pasqua
PURPOSE: Obesity is the main feature of a complex illness known as metabolic syndrome. Anti-obesogenic therapies are often associated with side effects and represent a high cost in conventional pharmacological approaches. New strategies based on natural remedies are under continuous investigation. Leopoldia comosa (L.) Parl. (L. comosa) is a spontaneous plant with diuretic, anti-inflammatory and antioxidant properties. Recently, a hypoglycemic activity mediated by inhibition of carbohydrate digestion has been identified...
January 11, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29327126/antipyretic-effect-of-herba-ephedrae-ramulus-cinnamomi-herb-pair-on-yeast-induced-pyrexia-rats-a-metabolomics-study
#14
Xiao-Ming Wang, Wen-Jie Xu, Liang-Kui Xu, Shuai Song, Xue-Feng Xing, Jia-Bo Luo
OBJECTIVE: To investigate the antipyretic mechanism of Herba Ephedrae (Eph)-Ramulus Cinnamomi (RC) herb pair on yeast-induced pyrexia in rats. METHODS: Totally 30 qualifified male SD rats were randomly assigned to the normal control (NC) group, the pyrexia model (model) group, the Eph, RC and Eph-RC treatment groups by a random digital table, 6 rats in each group. Each rat received a 20% aqueous suspension of yeast (10 mL/kg) except the NC group. The 3 treatment groups were administered 8...
January 9, 2018: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/29327078/the-role-of-the-thioredoxin-thioredoxin-reductase-system-in-the-metabolic-syndrome-towards-a-possible-prognostic-marker
#15
REVIEW
Alexey A Tinkov, Geir Bjørklund, Anatoly V Skalny, Arne Holmgren, Margarita G Skalnaya, Salvatore Chirumbolo, Jan Aaseth
Mammalian thioredoxin reductase (TrxR) is a selenoprotein with three existing isoenzymes (TrxR1, TrxR2, and TrxR3), which is found primarily intracellularly but also in extracellular fluids. The main substrate thioredoxin (Trx) is similarly found (as Trx1 and Trx2) in various intracellular compartments, in blood plasma, and is the cell's major disulfide reductase. Thioredoxin reductase is necessary as a NADPH-dependent reducing agent in biochemical reactions involving Trx. Genetic and environmental factors like selenium status influence the activity of TrxR...
January 11, 2018: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/29327073/azospirillum-brasilense-increases-co2-fixation-on-microalgae-scenedesmus-obliquus-chlorella-vulgaris-and-chlamydomonas-reinhardtii-cultured-on-high-co2-concentrations
#16
Francisco J Choix, Cecilia Guadalupe López-Cisneros, Hugo Oscar Méndez-Acosta
Mutualism interactions of microalgae with other microorganisms are widely used in several biotechnological processes since symbiotic interaction improves biotechnological capabilities of the microorganisms involved. The interaction of the bacterium Azospirillum brasilense was assessed with three microalgae genus, Scenedesmus, Chlorella, and Chlamydomonas, during CO2 fixation under high CO2 concentrations. The results in this study have demonstrated that A. brasilense maintained a mutualistic interaction with the three microalgae assessed, supported by the metabolic exchange of indole-3-acetic acid (IAA) and tryptophan (Trp), respectively...
January 11, 2018: Microbial Ecology
https://www.readbyqxmd.com/read/29324672/genome-wide-identification-expression-and-functional-analysis-of-the-alkaline-neutral-invertase-gene-family-in-pepper
#17
Long-Bin Shen, Yuan Yao, Huang He, Yu-Ling Qin, Zi-Ji Liu, Wei-Xia Liu, Zhi-Qiang Qi, Li-Jia Yang, Zhen-Mu Cao, Yan Yang
Alkaline/neutral invertase (NINV) proteins irreversibly cleave sucrose into fructose and glucose, and play important roles in carbohydrate metabolism and plant development. To investigate the role of NINVs in the development of pepper fruits, seven NINV genes (CaNINV1-7) were identified. Phylogenetic analysis revealed that the CaNINV family could be divided into α and β groups. CaNINV1-6 had typical conserved regions and similar protein structures to the NINVs of other plants, while CaNINV7 lacked amino acid sequences at the C-terminus and N-terminus ends...
January 11, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29323472/integrated-analysis-of-the-transcriptome-and-metabolome-of-corynebacterium-glutamicum-during-penicillin-induced-glutamic-acid-production
#18
Takashi Hirasawa, Masaki Saito, Katsunori Yoshikawa, Chikara Furusawa, Hiroshi Shmizu
Corynebacterium glutamicum is known for its ability to produce glutamic acid and has been utilized for the fermentative production of various amino acids. Glutamic acid production in C. glutamicum is induced by penicillin. In this study, we analyzed the transcriptome and metabolome of C. glutamicum to understand the mechanism of penicillin-induced glutamic acid production. Transcriptomic analysis with DNA microarray revealed that expression of some glycolysis- and TCA cycle-related genes, which include those encoding the enzymes involved in conversion of glucose to 2-oxoglutaric acid, was upregulated after penicillin addition...
January 11, 2018: Biotechnology Journal
https://www.readbyqxmd.com/read/29323287/disposition-of-a-glucose-load-into-hepatic-glycogen-by-direct-and-indirect-pathways-in-juvenile-seabass-and-seabream
#19
João Rito, Ivan Viegas, Miguel A Pardal, Isidoro Metón, Isabel V Baanante, John G Jones
In carnivorous fish, conversion of a glucose load to hepatic glycogen is widely used to assess their metabolic flexibility towards carbohydrate utilization, but the activities of direct and indirect pathways in this setting are unclear. We assessed the conversion of an intraperitoneal glucose load (2 g.kg-1) enriched with [U-13C6]glucose to hepatic glycogen in juvenile seabass and seabream. 13C-NMR analysis of glycogen was used to determine the contribution of the load to glycogen synthesis via direct and indirect pathways at 48-hr post-injection...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29322868/in-silico-approaches-to-evaluate-the-molecular-properties-of-organophosphate-compounds-to-inhibit-acetylcholinesterase-activity-in-housefly
#20
Parthiban Marimuthu, Yong-Jin Lee, Byung-Hoon Kim, Seong S Seo
Organophosphate compounds (OPC) have become the primary choice as insecticides and is widely used across the world. Additionally, OPCs were also commonly used as a chemical warfare agent that triggers a great challenge to public safety. Exposure of OPCs to human causes immediate excitation of cholinergic neurotransmission through transient elevation of synaptic acetylcholine (ACh) levels and accumulations. Likewise, prolonged exposure of OPCs can affect the processes in immune response, carbohydrate metabolism, cardiovascular toxicity and several others...
January 11, 2018: Journal of Biomolecular Structure & Dynamics
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