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Carbohydrates and performance

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https://www.readbyqxmd.com/read/27933100/genome-and-methylome-of-the-oleaginous-diatom-cyclotella-cryptica-reveal-genetic-flexibility-toward-a-high-lipid-phenotype
#1
Jesse C Traller, Shawn J Cokus, David A Lopez, Olga Gaidarenko, Sarah R Smith, John P McCrow, Sean D Gallaher, Sheila Podell, Michael Thompson, Orna Cook, Marco Morselli, Artur Jaroszewicz, Eric E Allen, Andrew E Allen, Sabeeha S Merchant, Matteo Pellegrini, Mark Hildebrand
BACKGROUND: Improvement in the performance of eukaryotic microalgae for biofuel and bioproduct production is largely dependent on characterization of metabolic mechanisms within the cell. The marine diatom Cyclotella cryptica, which was originally identified in the Aquatic Species Program, is a promising strain of microalgae for large-scale production of biofuel and bioproducts, such as omega-3 fatty acids. RESULTS: We sequenced the nuclear genome and methylome of this oleaginous diatom to identify the genetic traits that enable substantial accumulation of triacylglycerol...
2016: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/27930452/shorter-duration-time-trial-performance-and-recovery-is-not-improved-by-inclusion-of-protein-in-a-multiple-carbohydrate-supplement
#2
Anthony S Wolfe, Sallee A Brandt, Isaac Krause, Rachel Mavison, Josh Aponte, Lisa M Ferguson-Stegall
Ingesting multiple carbohydrate (CHO) types during exercise can improve endurance performance compared to single CHO only. Adding protein to a multiple CHO beverage has been shown to increase cycling time to exhaustion (TTE) compared to a single CHO beverage. However, it is unclear if improvements were due to multiple CHOs or protein, and TTE protocols are not representative of typical race events. This study investigated whether adding protein to a multiple CHO beverage improved performance and recovery in 2 same-day cycling time trials compared to isocaloric multiple CHO-only...
November 19, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27930449/quantifying-the-effect-of-carbohydrate-mouth-rinsing-on-exercise-performance
#3
Daniel J Peart
The purpose of this study was to review the existing literature investigating carbohydrate mouth rinsing (CMR) as an ergogenic aid by using the effect sizes and percentage change in performance of the respective studies as outcome measures. A trivial-small average overall effect size was present for the 25 studies included in the review (0.18, 95% CI = 0.10 to 0.27). Effect sizes for the sub-groups were; ≥25-min (0.25, 95% CI = 0.14 to 0.36), ≤ 180 seconds (0.06, 95% CI = -0.03 to 0.15), resistance exercise (-0...
November 19, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27930447/carbohydrate-and-caffeine-improves-high-intensity-running-of-elite-rugby-league-interchange-players-during-simulated-match-play
#4
Jon S Clarke, Jamie Highton, Graeme L Close, Craig Twist
The study examined the effects of carbohydrate and caffeine ingestion on simulated rugby league interchange performance. Eight male elite rugby league forwards completed two trials of a rugby league simulation protocol for interchange players seven days apart in a randomized crossover design, ingesting either carbohydrate (CHO; 40 g·h-1) or carbohydrate and caffeine (CHO-C) (40 g·h-1 + 3 mg·kg-1) drink. Movement characteristics, heart rate, ratings of perceived exertion (RPE), and countermovement jump height (CMJ) were measured during the protocol...
November 19, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27928202/effects-of-short-term-carbohydrate-restrictive-and-conventional-hypoenergetic-diets-and-resistance-training-on-strength-gains-and-muscle-thickness
#5
Claudia M Meirelles, Paulo S C Gomes
: Hypoenergetic diets and resistance training (RT) have been suggested to be important components of weight loss strategy programs; however, there is little evidence as to the chronic effects of different macronutrient compositions on strength performance and muscle mass with RT. The purpose of this study was to compare the effects of carbohydrate restrictive (CRD) and conventional (CONV) diets combined with RT on strength performance and muscle thicknesses in overweight and obese participants already involved in RT programs...
December 2016: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/27926473/growth-differentiation-factor-15-increases-following-oral-glucose-ingestion-effect-of-meal-composition-and-obesity
#6
Marie Helene Schernthaner-Reiter, Dominik Kasses, Christina Tugendsam, Michaela Riedl, Slobodan Peric, Gerhard Prager, Michael Krebs, Miriam Promintzer-Schifferl, Martin Clodi, Anton Luger, Greisa Vila
OBJECTIVE: Growth differentiation factor 15 (GDF15) is a cardiovascular biomarker belonging to the transforming growth factor-β superfamily. Increased GDF15 concentrations are associated with insulin resistance, diabetes and obesity. We investigated the physiological effects of meal composition and obesity on the regulation of systemic GDF15 levels. DESIGN: Lean (n = 8) and obese (n = 8) individuals received a carbohydrate- or fat-rich meal, a 75 g oral glucose load (OGTT) or short-term fasting...
December 2016: European Journal of Endocrinology
https://www.readbyqxmd.com/read/27924153/genome-sequence-of-a-commensal-bacterium-enterococcus-faecalis-cba7120-isolated-from-a-korean-fecal-sample
#7
Joon Yong Kim, Hye Seon Song, Yeon Bee Kim, Joseph Kwon, Jong-Soon Choi, Yong-Joon Cho, Byung-Yong Kim, Jin-Kyu Rhee, Jinjong Myoung, Young-Do Nam, Seong Woon Roh
BACKGROUND: Enterococcus faecalis, the type strain of the genus Enterococcus, is not only a commensal bacterium in the gastrointestinal tract in vertebrates and invertebrates, but also causes serious disease as an opportunistic pathogen. To date, genome sequences have been published for over four hundred E. faecalis strains; however, pathogenicity of these microbes remains complicated. To increase our knowledge of E. faecalis virulence factors, we isolated strain CBA7120 from the feces of an 81-year-old female from the Republic of Korea and performed a comparative genomic analysis...
2016: Gut Pathogens
https://www.readbyqxmd.com/read/27923204/case-report-of-the-surgical-management-of-small-bowel-and-colonic-ischaemia-associated-with-anorexia-nervosa-binge-purge-subtype
#8
Ann T Foran, Cillian Clancy, Tom F Gorey
INTRODUCTION: Anorexia Nervosa affects up to 1% of the population and can present with binge/purge episodes. A paucity of literature exists regarding small bowel and colonic ischaemia relating to this common condition. We report our own experience and management of a patient with anorexia nervosa binge/purge subtype with small bowel and colon ischaemia and review existing cases in the literature. PRESENTATION OF CASE: A 32year old female self-presented to the emergency department complaining of abdominal pain, abdominal distension and vomiting on a background history of binge/purge subtype eating disorder, following consumption of a large amount of carbohydrates...
August 25, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27921399/antioxidant-and-antidiabetic-properties-of-tartary-buckwheat-rice-flavonoids-after-in-vitro-digestion
#9
Tao Bao, Ye Wang, Yu-Ting Li, Vemana Gowd, Xin-He Niu, Hai-Ying Yang, Li-Shui Chen, Wei Chen, Chong-de Sun
Oxidative stress and diabetes have a tendency to alter protein, lipid, and DNA moieties. One of the strategic methods used to reduce diabetes-associated oxidative stress is to inhibit the carbohydrate-digesting enzymes, thereby decreasing gastrointestinal glucose production. Plant-derived natural antioxidant molecules are considered a therapeutic tool in the treatment of oxidative stress and diabetes. The objective of this study was to identify tartary buckwheat rice flavonoids and evaluate the effect of in vitro digestion on their antioxidant and antidiabetic properties...
2016: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/27919701/evaluation-of-the-neurotoxic-effects-of-chronic-embryonic-exposure-with-inorganic-mercury-on-motor-and-anxiety-like-responses-in-zebrafish-danio-rerio-larvae
#10
Noraini Abu Bakar, Nurul Syafida Asma' Mohd Sata, Nurul Farhana Ramlan, Wan Norhamidah Wan Ibrahim, Syaizwan Zahmir Zulkifli, Che Azurahanim Che Abdullah, Mohammad Noor Amal Azmai
Chronic exposure to mercury (Hg) can lead to cumulative impairments in motor and cognitive functions including alteration in anxiety responses. Although several risk factors have been identified in recent year, little is known about the environmental factors that either due exposure toward low level of inorganic mercury that may led to the developmental disorders. The present study investigated the effects of embryonic exposure of mercury chloride on motor function and anxiety-like behavior. The embryo exposed to 6 different concentrations of HgCl2 (7...
December 2, 2016: Neurotoxicology and Teratology
https://www.readbyqxmd.com/read/27918076/genome-wide-association-analyses-of-54-traits-identified-multiple-loci-for-the-determination-of-floret-fertility-in-wheat
#11
Zifeng Guo, Dijun Chen, Ahmad M Alqudah, Marion S Röder, Martin W Ganal, Thorsten Schnurbusch
Increasing grain yield is still the main target of wheat breeding; yet today's wheat plants utilize less than half of their yield potential. Owing to the difficulty of determining grain yield potential in a large population, few genetic factors regulating floret fertility (i.e. the difference between grain yield potential and grain number) have been reported to date. In this study, we conducted a genome-wide association study (GWAS) by quantifying 54 traits (16 floret fertility traits and 38 traits for assimilate partitioning and spike morphology) in 210 European winter wheat accessions...
December 5, 2016: New Phytologist
https://www.readbyqxmd.com/read/27914157/-prevalence-of-dental-caries-in-type-1-diabetic-patients-treated-with-insulin-pump
#12
Rosana Garcia, Ana Coelho, Anabela Paula, Manuel Marques Ferreira, Francisco Caramelo, Luísa Barros, Carla Batista, Miguel Melo, Mário Jorge Silva, Eunice Carrilho
INTRODUCTION: Type 1 diabetes mellitus and oral health are strictly related on a reciprocal basis, and an increased susceptibility to a wide variety of oral diseases is recognised in these patients. The aim of the present study was to establish a relationship between the prevalence of dental caries in Type 1 diabetic patients treated with insulin pump and that of non-diabetic patients. MATERIAL AND METHODS: An observational clinical study of analytical and cross-sectional nature was conducted...
August 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/27912968/validation-of-a-thin-layer-chromatography-densitometry-method-for-the-characterization-of-invertase-activity
#13
Justine Ferey, David Da Silva, Sophie Bravo-Veyrat, Pierre Lafite, Richard Daniellou, Benoît Maunit
This paper presents a kinetic study of invertase, a specific fructofuranosidase cloned from the Leishmania major genome. The kinetic parameters of the β-d-fructofuranosidase from Leishmania major (BfrA) were determined using Thin-Layer Chromatography (TLC) and UV-densitometry (TLC@UV) specifically developed for the separation and detection of three carbohydrates namely sucrose, glucose and fructose. Separation was performed on TLC silica gel 60 F254 plates impregnated with sodium bisulphate and citrate and heated prior to development...
November 25, 2016: Journal of Chromatography. A
https://www.readbyqxmd.com/read/27905883/carbohydrate-metabolism-in-oenococcus-oeni-a-genomic-insight
#14
Alice Cibrario, Claire Peanne, Marine Lailheugue, Hugo Campbell-Sills, Marguerite Dols-Lafargue
BACKGROUND: Oenococcus oeni is the bacterial species that drives malolactic fermentation in most wines. Several studies have described a high intraspecific diversity regarding carbohydrate degradation abilities but the link between the phenotypes and the genes and metabolic pathways has been poorly described. RESULTS: A collection of 41 strains whose genomic sequences were available and representative of the species genomic diversity was analyzed for growth on 18 carbohydrates relevant in wine...
December 1, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27904629/effect-of-various-kinds-of-beverages-on-stress-oxidative-f2-isoprostane-serum-lipid-and-blood-glucose-of-elite-taekwondo-players
#15
Zahra Maghsoudi, Ashfin Shiranian, Gholamreza Askai, Reza Ghaisvand
BACKGROUND: Athletes' recovery is important in improving their performance. Nutritional strategies can be effective in enhancing recovery rate. Choosing the best food items in appropriate intervals can play effective roles in resynthesis of fuels and recovery of muscle injury. Beverage micro and macronutrient content are helpful in fuel restoration. In this study, we assess the effects of various kinds of beverages on oxidative stress, muscle injury, and metabolic risk factors in taekwondo players...
September 2016: Iranian Journal of Nursing and Midwifery Research
https://www.readbyqxmd.com/read/27902241/description-of-lactobacillus-colini-sp-nov-isolated-from-northern-bobwhite-colinus-virginianus
#16
Michael Z Zhang, Ming Yang, Hongwen Su, Dale Rollins, Shuping Zhang
Biochemical and molecular studies were performed on five unknown bacterial strains isolated from the intestinal contents of Northern Bobwhites (Colinus virginianus) collected from western Texas, USA. The strains were Gram-stain-positive, catalase-negative, non-spore-forming rods arranged in single cells, pairs or short chains. Colonies on Columbia blood agar are circular, flat, entire, approximately 0.5 - 1.5 mm in diameter and surrounded with a zone of alpha hemolysis at 48 h incubation at 37 °C. Colonies on MRS agar are umbonate with irregular edge, opaque and approximately 1 - 1...
October 28, 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27901120/complete-genome-sequence-and-transcriptomic-analysis-of-a-novel-marine-strain-bacillus-weihaiensis-reveals-the-mechanism-of-brown-algae-degradation
#17
Yueming Zhu, Peng Chen, Yunjuan Bao, Yan Men, Yan Zeng, Jiangang Yang, Jibin Sun, Yuanxia Sun
A novel marine strain representing efficient degradation ability toward brown algae was isolated, identified, and assigned to Bacillus weihaiensis Alg07. The alga-associated marine bacteria promote the nutrient cycle and perform important functions in the marine ecosystem. The de novo sequencing of the B. weihaiensis Alg07 genome was carried out. Results of gene annotation and carbohydrate-active enzyme analysis showed that the strain harbored enzymes that can completely degrade alginate and laminarin, which are the specific polysaccharides of brown algae...
November 30, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27899969/diagnostic-usefulness-of-the-risk-of-ovarian-malignancy-algorithm-using-the-electrochemiluminescence-immunoassay-for-he4-and-the-chemiluminescence-microparticle-immunoassay-for-ca125
#18
Anita Chudecka-Głaz, Aneta Cymbaluk-Płoska, Katarzyna Luterek-Puszyńska, Janusz Menkiszak
The present study aimed to investigate the usefulness of the Risk of Ovarian Malignancy Algorithm (ROMA) in the preoperative stratification of patients with ovarian tumors using a novel combination of laboratory tests. The study group (n=619) consisted of 354 premenopausal and 265 postmenopausal patients. The levels of carbohydrate antigen 125 (CA125) and human epididymis protein 4 (HE4) were determined, and ROMA calculations were performed for each pre- and postmenopausal patient. HE4 levels were determined using an electrochemiluminescence immunoassay, while CA125 levels were determined by a chemiluminescence microparticle immunoassay...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27899900/fiber-type-specific-satellite-cell-content-in-cyclists-following-heavy-training-with-carbohydrate-and-carbohydrate-protein-supplementation
#19
Alec I McKenzie, Andrew C D'Lugos, Michael J Saunders, Keith D Gworek, Nicholas D Luden
The central purpose of this study was to evaluate the fiber type-specific satellite cell and myonuclear responses of endurance-trained cyclists to a block of intensified training, when supplementing with carbohydrate (CHO) vs. carbohydrate-protein (PRO). In a crossover design, endurance-trained cyclists (n = 8) performed two consecutive training periods, once supplementing with CHO (de facto "control" condition) and the other with PRO. Each training period consisted of 10 days of intensified cycle training (ICT-120% increase in average training duration) followed by 10 days of recovery (RVT-reduced volume training; 33% volume reduction vs...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27898972/intake-digestibility-performance-and-nitrogen-metabolism-of-feedlot-finished-young-bulls-fed-diets-containing-peanut-cake
#20
B R Correia, G G P de Carvalho, R L Oliveira, A J V Pires, O L Ribeiro, R R Silva, A G Leão, P A Oliveira
This aim of this study was to evaluate the use of peanut cake as a dietary substitute for soybean meal and to determine the effects on intake, apparent digestibility, performance, and N metabolism in feedlot-finished young bulls. Thirty-two young Nellore bulls with an average initial BW of 390 ± 43.5 kg were distributed in a completely randomized design and individually housed in stalls. The young bulls were fed Tifton 85 hay and 4 concentrate mixes containing 0, 33, 66, or 100% peanut cake replacing soybean meal...
November 2016: Journal of Animal Science
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