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https://www.readbyqxmd.com/read/28733762/reconsidering-betaine-as-a-natural-anti-heat-stress-agent-in-poultry-industry-a-review
#1
REVIEW
Muhammad Saeed, Daryoush Babazadeh, Muhammad Naveed, Muhammad Asif Arain, Faiz Ul Hassan, Sun Chao
Betaine is found ubiquitously in plants, animals, microorganisms, and rich dietary sources including seafood, spinach, and wheat bran. The chief physiological role of betaine is to function as a methyl donor and an osmolyte. Betaine also acts as an osmolyte, to maintain the avian's cellular water and ion balance to improve the avian's capacity against heat stress via preventing dehydration and osmotic inactivation. It helps in maintaining the protective osmolytic activity, especially in heat-stressed birds...
July 21, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28728365/effects-of-inclusion-level-and-adaptation-period-on-nutrient-digestibility-and-digestible-energy-of-wheat-bran-in-growing-finishing-pigs
#2
Jinbiao Zhao, Shuai Zhang, Fei Xie, Defa Li, Chengfei Huang
Objective: This experiment was to evaluate the effect of different inclusion levels and adaptation periods on digestible energy (DE) and the apparent total tract digestibility (ATTD) of chemical constituents in diets supplemented with wheat bran. Methods: Thirty-six crossbred barrows with an initial body weight (BW) of 85.0 ± 2.1 kg were allotted to 6 diets in a completely randomized block design with 6 pigs per diet. Diets included a corn-soybean basal diet and 5 additional diets which formulated by replacing corn and soybean meal in control diet with 15, 25, 35, 45, or 55% wheat bran...
June 27, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28717237/fat-binding-capacity-and-modulation-of-the-gut-microbiota-both-determine-the-effect-of-wheat-bran-fractions-on-adiposity
#3
Francesco Suriano, Laure B Bindels, Joran Verspreet, Christophe M Courtin, Kristin Verbeke, Patrice D Cani, Audrey M Neyrinck, Nathalie M Delzenne
The aim of this study was to determine the impact of different wheat bran fractions on the gut microbiota and fat binding capacity to explain their differential effects on metabolic and inflammatory disorders induced by a western diet (WD) in mice. Wheat bran derived arabinoxylan oligosaccharides (AXOS), a crude fraction of wheat bran (WB), or the same wheat bran with reduced particle size (WBs) were added to the WD of mice for 8 weeks. AXOS shifted the gut microbiota composition, blunted Clostridium and Turicibacter genera and strongly promoted Bifidobacterium and Butyricicoccus genera, independently of changes in gut antimicrobial peptide expression...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28698485/dynamic-fumonisin-b%C3%A2-production-by-aspergillus-niger-intented-used-in-food-industry-in-china
#4
Xiaomin Han, Hongru Jiang, Jin Xu, Jing Zhang, Fengqin Li
There are a total of 30 strains including 27 strains of Aspergillus niger intended used in Chinese food industry, two strains used as control and one strain isolated from corn for fumonisin (FB) production on 3 media. It was found that FB₂ production by A. niger was function-dependent and highly related to culture media, as well as incubation time. All strains studied were unable to produce FB₁ and FB₃. Almost all strains were found to produce FB₂ on corn, rice and wheat bran. Based on their intended use in the food industry, the higher level of FB₂ producers were strains used for saccharifying enzyme (n = 13) production, followed by organic acid (n = 6), tannase (n = 7) and β-galactosidase (n = 1) production, with the FB₂ mean level of 3553-10,270 μg/kg, 1059-12,036 μg/kg, 3-7 μg/kg and 2-4 μg/kg on corn, 5455-9241 μg/kg, 559-2190 μg/kg, 4-9 μg/kg and 6-10 μg/kg on rice, 5959-7709 μg/kg, 9491-17,339 μg/kg, 8-14 μg/kg and 120-222 μg/kg on wheat bran, respectively...
July 9, 2017: Toxins
https://www.readbyqxmd.com/read/28697583/the-gut-microbiota-in-larvae-of-the-housefly-musca-domestica-and-their-horizontal-transfer-through-feeding
#5
Yao Zhao, Wanqiang Wang, Fen Zhu, Xiaoyun Wang, Xiaoping Wang, Chaoliang Lei
House fly larvae provide a prolific and sustainable source of proteins used in poultry and fish feed. Wheat bran is a superior diet for house fly larvae and has been widely investigated to exploit its potential in the food and feed area. Using Illumina MiSeq 16S rDNA sequencing, this study investigated the gut microbiota of house fly larvae feeding on wheat bran and the bacterial community in the wheat bran. The bacterial communities in the house fly larvae were dominated by the phyla Proteobacteria and Firmicutes...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28690170/polyhydroxybutyrate-by-streptomyces-sp-production-and-characterization
#6
Sivakumar Krishnan, Gandhi Shree Chinnadurai, Palani Perumal
A total number of 20 actinomycetes isolates were isolated from soil sediments obtained from Semmancheri coastal areas of Bay of Bengal, India and they were qualitatively screened for the production of polyhydroxybutyrate (PHB) on a medium containing Sudan black stain. Nine of the 20 isolates produced PHB and the quantity of PHB produced varied from 1.79 to 4.26g(-L). Among the positive isolates an actinomycete isolate which was identified as Streptomyces sp. through 16S rRNA sequencing analysis (Accession No: KF667247) produced relatively higher PHB than other positive isolates...
July 6, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28687934/co-administration-of-a-konjac-based-fibre-blend-and-american-ginseng-panax-quinquefolius-l-on-glycaemic-control-and-serum-lipids-in-type-2-diabetes-a-randomized-controlled-cross-over-clinical-trial
#7
Alexandra L Jenkins, Linda M Morgan, Jacqueline Bishop, Elena Jovanovski, David J A Jenkins, Vladimir Vuksan
PURPOSE: Use of polypharmacy in the treatment of diabetes is the norm; nonetheless, optimal control is often not achieved. Konjac-glucomannan-based fibre blend (KGB) and American ginseng (AG) have individually been shown to improve glycaemia and CVD risk factors in type 2 diabetes. The aim of this study was to determine whether co-administration of KGB and AG could improve diabetes control beyond conventional treatment. METHOD: Thirty-nine participants with type 2 diabetes (6...
July 7, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28669823/biochemical-and-structural-analyses-of-two-cryptic-esterases-in-bacteroides-intestinalis-and-their-synergistic-activities-with-cognate-xylanases
#8
Daniel Wefers, Janaina J V Cavalcante, Rachel R Schendel, Jaigeeth Deveryshetty, Kui Wang, Zdzislaw Wawrzak, Roderick I Mackie, Nicole M Koropatkin, Isaac Cann
Arabinoxylans are constituents of the human diet. Although not utilizable by the human host, they can be fermented by colonic bacteria. The arabinoxylan backbone is decorated with arabinose side-chains that may be substituted with ferulic acid, thus limiting depolymerization to fermentable sugars. We investigated the polypeptides encoded by two genes upregulated during growth of the colonic bacterium Bacteroides intestinalis on wheat arabinoxylan. The recombinant proteins, designated BiFae1A and BiFae1B, were functionally assigned esterase activities...
June 29, 2017: Journal of Molecular Biology
https://www.readbyqxmd.com/read/28667639/flavonoid-rich-agro-industrial-residues-for-enhanced-bacterial-laccase-production-by-submerged-and-solid-state-fermentation
#9
Aarjoo Sharma, Vijaya Gupta, Mussarat Khan, Sanjeev Balda, Naveen Gupta, Neena Capalash, Prince Sharma
Laccases have potential applications in industrial, biotechnological, and environmental set ups. Development of cost effective and efficient production technologies has gained significant attention in recent years. To enhance the laccase production from Rheinheimera sp. (Gram negative) using submerged fermentation (SmF) and from Lysinibacillus sp. (Gram positive) using solid-state fermentation (SSF), the inducing effect of various flavonoid-rich agro-industrial residues was investigated. Peels of citrus fruits, soybean meal, tofu dreg, lignin monomers, and lingo-cellulosic waste, used tea leaves and peels of onion and kiwi, paper, and dying industry effluents were tested as inducers...
July 2017: 3 Biotech
https://www.readbyqxmd.com/read/28664192/utilization-of-agro-waste-pectin-for-the-production-of-industrially-important-polygalacturonase
#10
Nayyar Jahan, Faiza Shahid, Afsheen Aman, Talat Yasmeen Mujahid, Shah Ali Ul Qader
In the present study, a variety of agro-industrial wastes have been utilized for meaningful purpose to produce valuable biocatalyst. All wastes used were low cost and easily accessible while, some available throughout the year. A number of bacterial strains isolated from rotten fruits and vegetables were screened for the production of industrially important polygalacturonase (PGase) using pectin present in these agro-industrial wastes. The strain producing maximum PGase was identified as Bacillus licheniformis KIBE-IB3 on the basis of taxonomic studies and 16S rDNA analysis...
June 2017: Heliyon
https://www.readbyqxmd.com/read/28651384/agaricus-bisporus-production-on-substrates-pasteurized-by-self-heating
#11
Stephania Colmenares-Cruz, José E Sánchez, Javier Valle-Mora
The aim of this work was to determine if the self-heating pasteurization procedure is technically applicable to the cultivation of Agaricus bisporus. Firstly the substrates alone (corncob, Pangola grass and a mixture of both ingredients with wood shavings) were tested. Two supplementation trials were then undertaken using soybean, wheat bran, sheep manure, sesame seed, black bean and chia. Highest production values (BE = 176.3% and Y = 26.6 kg/m(2)) were obtained using a 9% supplement, with a formula consisting of 25% each of soybean, black bean, wheat bran and chia, added at spawning and at casing...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28634326/a-chrysoporthe-cubensis-enzyme-cocktail-produced-from-a-low-cost-carbon-source-with-high-biomass-hydrolysis-efficiency
#12
Thiago Rodrigues Dutra, Valéria Monteze Guimarães, Ednilson Mascarenhas Varela, Lílian da Silva Fialho, Adriane Maria Ferreira Milagres, Daniel Luciano Falkoski, José Cola Zanuncio, Sebastião Tavares de Rezende
Low cost and high efficiency cellulolytic cocktails can consolidate lignocellulosic ethanol technologies. Sugarcane bagasse (SCB) is a low cost agro-industrial residue, and its use as a carbon source can reduce the costs of fungi cultivation for enzyme production. Chrysoporthe cubensis grown under solid state fermentation (SSF) with wheat bran has potential to produce efficient enzymatic extracts for SCB saccharification. This fungus was grown under submersed fermentation (SmF) and SSF with in natura SCB, pretreated with acid or alkali and with others carbon sources...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28633643/enhancement-of-thermoalkaliphilic-xylanase-production-by-pichia-pastoris-through-novel-fed-batch-strategy-in-high-cell-density-fermentation
#13
Tingting Shang, Dayong Si, Dongyan Zhang, Xuhui Liu, Longmei Zhao, Cong Hu, Yu Fu, Rijun Zhang
BACKGROUND: Xylanase degrades xylan into monomers of various sizes by catalyzing the endohydrolysis of the 1,4-β-D-xylosidic linkage randomly, possessing potential in wide industrial applications. Most of xylanases are susceptible to be inactive when suffering high temperature and high alkaline process. Therefore, it is necessary to develop a high amount of effective thermoalkaliphilic xylanases. This study aims to enhance thermoalkaliphilic xylanase production in Pichia pastoris through fermentation parameters optimization and novel efficient fed-batch strategy in high cell-density fermentation...
June 21, 2017: BMC Biotechnology
https://www.readbyqxmd.com/read/28626590/antiglycemic-effect-of-water-extractable-arabinoxylan-from-wheat-aleurone-and-bran
#14
Lovemore Nkhata Malunga, Marta Izydorczyk, Trust Beta
The studies on the effects of arabinoxylan (AX) polysaccharides on postprandial glucose response have resulted in contrasting results owing to the diversity in AX structures. Four water extractable AX (WEAX) extracts obtained from wheat aleurone and bran were used to investigate (a) the effect of AX on activities of α-amylase and α-glucosidase, (b) influence of AX chemical composition on their inhibition potency, and (c) kinetics of enzyme inhibition. α-Amylase activity was not significantly affected by the presence WEAX fractions regardless of type or concentration...
2017: Journal of Nutrition and Metabolism
https://www.readbyqxmd.com/read/28624092/study-on-the-effects-of-wheat-bran-incorporation-on-water-mobility-and-biopolymer-behavior-during-bread-making-and-storage-using-time-domain-1-h-nmr-relaxometry
#15
S Hemdane, P J Jacobs, G M Bosmans, J Verspreet, J A Delcour, C M Courtin
Water binding is suggested to be key in the deleterious effect of wheat bran on bread quality. This study investigates water mobility and biopolymer behavior during bran-rich bread making and storage, using (1)H NMR. Coarse, ground, and pericarp-enriched bran were incorporated in bread dough, and their impact on freshly baked and stored bread properties was assessed. Compared to wheat flour control dough, bran incorporation resulted in a progressive immobilization of water during dough resting, which could be linked to changes in evolution of dough height during fermentation and oven rise...
December 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28624091/study-of-biopolymer-mobility-and-water-dynamics-in-wheat-bran-using-time-domain-1-h-nmr-relaxometry
#16
S Hemdane, P J Jacobs, G M Bosmans, J Verspreet, J A Delcour, C M Courtin
In this study, the molecular mobility of water and biopolymers in coarse, ground, and pericarp-enriched (PE) wheat bran and refined flour was investigated using time-domain proton nuclear magnetic resonance relaxometry, and related to their hydration properties. Several specific proton populations were present in the bran samples but not in flour. These populations were mainly assigned to protons of bran-related compounds such as arabinoxylan, cellulose, and lipids. All bran samples showed similar proton distributions at a 44% moisture level, although the chemical composition of coarse/ground bran and PE bran differed...
December 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28619635/production-and-characterization-of-polyhydroxyalkanoic-acid-from-bacillus-thuringiensis-using-different-carbon-substrates
#17
Olubusola A Odeniyi, Olakunle J Adeola
Polyhydroxyalkanoic acids (PHA) are biodegradable microbially synthesised polymers which can act as alternatives to conventional petrochemical based plastics. Bacterial isolates from soil and sewage samples were screened for the ability to accumulate PHA using Sudan Black B dye, and growth conditions of the best PHA accumulating bacterium was optimized. The PHA produced was characterized by FTIR spectroscopy. Eight PHA-producing bacteria were isolated and isolate SBC4 which had the highest percentage accumulation of 30% was genotypically identified as Bacillus thuringiensis and selected for further studies...
June 12, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28618173/inter-individual-differences-determine-the-outcome-of-wheat-bran-colonization-by-the-human-gut-microbiome
#18
Kim De Paepe, Frederiek-Maarten Kerckhof, Joran Verspreet, Christophe M Courtin, Tom Van de Wiele
Gut microbiota research reveals a vital role for the luminal and mucosal gut microbiota in human health. Fewer studies, however, have characterized the microbiome associated with undigested, insoluble dietary particles in the gut. These particles can act as a food source for bacteria and offer a physical platform to which they can attach. In this study, the microbiome colonizing wheat bran particles was analyzed. In a batch experiment, wheat bran particles were separately incubated with the fecal microbiota derived from ten donors and washed after 48h to remove loosely attached bacteria...
June 15, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28614737/glucose-triggers-the-cytotoxicity-of-citrobacter-sp-r1-against-microcystis-aeruginosa
#19
Pengfei Sun, Sofia Esquivel-Elizondo, Yuhua Zhao, Yonghong Wu
Algicidal bacteria offer a promising option for killing Microcystis aeruginosa, one notorious cyanobacteria causing harmful algal blooms. In this study, Citrobacter sp. R1 presented high algicidal activity (81.6±2.2%, 72h) against M. aeruginosa when cultured using glucose, while it showed no algicidal activity (0±3.4%) when cultured using wheat bran, suggesting that appropriate carbon source is crucial for algicidal bacteria in killing M. aeruginosa. The underlying algicidal mechanism of strain R1 was explored by studying the effect of different carbon sources (glucose and wheat bran) on its key algicidal gene expression and total protein translation...
June 11, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28591592/recombinant-thermo-alkali-stable-endoglucanase-of-myceliopthora-thermophila-bja-rmt-egl-biochemical-characteristics-and-applicability-in-enzymatic-saccharification-of-agro-residues
#20
Priya Phadtare, Swati Joshi, T Satyanarayana
Codon adaptation index (CAI) of a 1263bp long endoglucanase encoding gene from the thermophilic mould Myceliopthora thermophile BJA has been improved from 0.44 to 0.76 by in vitro gene synthesis. The codon optimized endoglucanase gene (Mt-egl) has been constitutively expressed in Pichia pastoris under the regulation of GAP promoter. Recombinant endoglucanase (rMt-egl), purified by size exclusion chromatography, has been confirmed to be a monomeric protein of ∼47kDa. rMt-egl is optimally active at pH 10 and 50°C, displaying stability in broad pH and temperature ranges, with a t1/2 of 60 and 15min at 90 and 100°C, respectively...
June 4, 2017: International Journal of Biological Macromolecules
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