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https://www.readbyqxmd.com/read/29161572/new-%C3%AE-galactosidase-producers-with-potential-for-prebiotic-synthesis
#1
Sara C Silvério, Eugénia A Macedo, José A Teixeira, Lígia R Rodrigues
β-Galactosidases (EC 3.2.1.23) are interesting enzymes with potential application in the pharmaceutical and food industry. In this work, a screening study was carried out to identify new fungal sources of β-galactosidase. A total of 50 fungi were evaluated using a chromogenic test performed in agar plates. The most promising microorganisms were validated as effective β-galactosidase producers under submerged fermentation conditions. The crude β-galactosidases were characterized regarding their optimal pH (3...
November 15, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29159587/teaching-an-old-pet-new-tricks-tuning-of-inclusion-body-formation-and-properties-by-a-mixed-feed-system-in-e-coli
#2
David J Wurm, Julian Quehenberger, Julia Mildner, Britta Eggenreich, Christoph Slouka, Andreas Schwaighofer, Karin Wieland, Bernhard Lendl, Vignesh Rajamanickam, Christoph Herwig, Oliver Spadiut
Against the outdated belief that inclusion bodies (IBs) in Escherichia coli are only inactive aggregates of misfolded protein, and thus should be avoided during recombinant protein production, numerous biopharmaceutically important proteins are currently produced as IBs. To obtain correctly folded, soluble product, IBs have to be processed, namely, harvested, solubilized, and refolded. Several years ago, it was discovered that, depending on cultivation conditions and protein properties, IBs contain partially correctly folded protein structures, which makes IB processing more efficient...
November 20, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29159163/association-of-lct-13910-c-t-polymorphism-and-colorectal-cancer
#3
Genco Gençdal, Esin Salman, Ömer Özütemiz, Ulus S Akarca
Purpose: The activity of epithelial lactase (LCT) is associated with a polymorphism 13910 bp upstream in the lactase encoding gene. Because the association between the LCT-13910 polymorphism and the risk for colorectal cancer is not clear, we investigated the role of the LCT-13910 polymorphism as a potential risk factor for colorectal cancer and colorectal polyps in the Turkish population. Methods: One hundred sixty-six subjects (74 with polyps, 44 with colorectal cancer, 48 controls), who had undergone a total colonoscopy between January 2012 and November 2012 in our endoscopy unit were genotyped for the LCT-13910 polymorphism by using the polymerase chain reaction and minisequencing...
October 2017: Annals of Coloproctology
https://www.readbyqxmd.com/read/29159160/lactose-intolerance-and-colorectal-cancer
#4
EDITORIAL
Jong-Woo Kim
No abstract text is available yet for this article.
October 2017: Annals of Coloproctology
https://www.readbyqxmd.com/read/29158280/anti-pseudomonal-activity-of-phage-pev20-in-a-dry-powder-formulation-a-proof-of-principle-study-in-a-murine-lung-infection-model
#5
Rachel Yoon Kyung Chang, Ke Chen, Jiping Wang, Martin Wallin, Warwick Britton, Sandra Morales, Elizabeth Kutter, Jian Li, Hak-Kim Chan
Bacteriophage therapy is a promising alternative treatment to antibiotics as it has been documented to be efficacious against multi-drug resistant bacteria with minimal side effects. Several groups have demonstrated the efficacy of phage suspension in vivo to treat lung infections using intranasal delivery; however, phage dry powder administration to the lungs has not yet been explored. Powder formulations provide potential advantages over liquid formulation, including easy storage, transport and administration...
November 20, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29157472/nuclear-magnetic-resonance-characterization-of-traditional-homeopathically-manufactured-copper-cuprum-metallicum-and-plant-gelsemium-sempervirens-medicines-and-controls
#6
Michel Van Wassenhoven, Martine Goyens, Marc Henry, Etienne Capieaux, Philippe Devos
BACKGROUND: NMR proton relaxation is sensitive to the dynamics of the water molecule H2O, through the interaction of the spin of the proton ((1)H) with external magnetic and electromagnetic fields. METHODS: We measured dilution and potentization processes through measurements of (1)H spin-lattice T1 and spin-spin T2 relaxation times. In order to interpret the recorded fluctuations in T1- or T2-values, experimental data were linearized by investigating how the area under a fluctuating time = f(dilution) curve (dilution integral or DI) changes with dilution...
November 2017: Homeopathy: the Journal of the Faculty of Homeopathy
https://www.readbyqxmd.com/read/29157302/prevalence-of-lactose-intolerance-in-patients-with-diarrhea-predominant-irritable-bowel-syndrome-data-from-a-tertiary-center-in-southern-china
#7
Lishou Xiong, Yilin Wang, Xiaorong Gong, Minhu Chen
BACKGROUND: Symptoms associated with lactose intolerance (LI) and diarrhea-predominant irritable bowel syndrome (IBS-D) are almost the same. These disease entities are difficult to differentiate clinically. In practice, differential diagnosis depends on self-reported patient milk intolerance. However, there is limited data on the prevalence of LI in China. The aim of this study was to investigate the prevalence of LI in IBS-D patients and asymptomatic healthy controls. METHODS: Lactose malabsorption (LM) was diagnosed by a lactose hydrogen breath test (HBT) and was defined by peak breath H2 excretion over the baseline level of ≥ 20 ppm...
November 21, 2017: Journal of Health, Population, and Nutrition
https://www.readbyqxmd.com/read/29156926/-oral-feeding-and-nutritional-improvement-in-hospitals-and-residential-care-homes-industry-innovations
#8
Rosa M Ortega, Ana Isabel Jiménez Ortega, José Miguel Perea Sánchez, Esther Cuadrado Soto, Rosa M Martínez García, Ana M López Sobaler
OBJECTIVES: Inpatient and institutionalized elderly patients are population groups vulnerable from the nutritional point of view because oftheir greater risk of deficiencies and because in them the effects of imbalances are more serious than in other groups. Analyzing the possible usefulness of industry innovations offering solutions in the oral feeding of these population groups constitutes the objective of the present work. METHODS: Bibliographic search related to the topic...
October 15, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29155404/carbohydrate-source-affects-the-synthesis-of-silver-nanoparticles-by-lactobacillus-plantarum-1449-and-lactobacillus-ruminis-1313
#9
María de Lourdes Reyes-Escogido, David Meneses-Rodríguez, Rodolfo Guardado-Mendoza
Strains of Lactobacillus have been used for the synthesis of metallic nanoparticles. Since the carbohydrate source could influence the yield and size of the synthesised nanoparticles, the authors evaluated the potential of Lactobacillus plantarum 1449 and Lactobacillus ruminis 1313 to produce silver nanoparticles (AgNPs) using three carbohydrate sources and AgNO3. The presence of AgNO3 in the medium extended the duration of the acceleration and logarithmic phases of the two strains independently of the carbohydrate source used but did not inhibit their growth...
December 2017: IET Nanobiotechnology
https://www.readbyqxmd.com/read/29154730/effect-of-increased-milking-frequency-and-residual-milk-removal-on-milk-production-and-milk-fatty-acid-composition-in-lactating-cows
#10
Sabine Ferneborg, Lucia Kovac, Kevin J Shingfield, Sigrid Agenäs
It has been well established that milk yield is affected both by milking frequency and due to the removal of residual milk, but the influence of a combination of these factors is unclear. In this study, four mid-lactation cows were used in a 4 × 4 Latin square design to test the hypothesis that the effects of more frequent milking and residual milk removal on milk yield and composition are additive and alter milk fatty acid composition. Treatments comprised two or four times daily milking in combination with (or without) residual milk removal over a 96 h interval preceded by a 2 d pretreatment period and followed by a 8 d washout in each 14 d experimental period...
November 2017: Journal of Dairy Research
https://www.readbyqxmd.com/read/29153522/short-communication-growth-of-dairy-isolates-of-geobacillus-thermoglucosidans-in-skim-milk-depends-on-lactose-degradation-products-supplied-by-anoxybacillus-flavithermus-as-secondary-species
#11
Y Zhao, M Kumar, M P M Caspers, M N Nierop Groot, J M B M van der Vossen, T Abee
Thermophilic bacilli such as Anoxybacillus and Geobacillus are important contaminants in dairy powder products. Remarkably, one of the common contaminants, Geobacillus thermoglucosidans, showed poor growth in skim milk, whereas significant growth of G. thermoglucosidans was observed in the presence of an Anoxybacillus flavithermus dairy isolate. In the present study, we investigated the underlying reason for this growth dependence of G. thermoglucosidans. Whole-genome sequences of 4 A. flavithermus strains and 4 G...
November 15, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29153178/a-100-year-review-the-production-of-fluid-market-milk
#12
David M Barbano
During the first 100 years of the Journal of Dairy Science, dairy foods and dairy production dairy scientists have partnered to publish new data and research results that have fostered the development of new knowledge. This knowledge has been the underpinning of both the commercial development of the fluid milk processing industry and regulations and marketing policies for the benefit of dairy farmers, processors, and consumers. During the first 50 years, most of the focus was on producing and delivering high-quality raw milk to factories and improving the shelf life of pasteurized fluid milk...
December 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29153024/-diet-treatment-of-classical-galactosemia
#13
Erika Kiss, Lídia Balogh, Péter Reismann
Classical galactosemia is an inherited disorder of the carbohydrate metabolism, most often caused by the deficient activity of the enzyme galactose-1-phosphate-uridyltransferase. Classical galactosemia presents in the neonatal period with life threatening illness after galactose is introduced in the diet. Symptoms and signs include poor feeding, vomiting, and diarrhea, weight loss, jaundice, hypotension, cataracts, hepatosplenomegaly, hepatocellular insufficiency, and encephalopathy. Since 1975 the testing for galactosemia is part of the neonatal screening program in Hungary...
November 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/29151400/review-optimizing-ruminant-conversion-of-feed-protein-to-human-food-protein
#14
G A Broderick
Ruminant livestock have the ability to produce high-quality human food from feedstuffs of little or no value for humans. Balanced essential amino acid composition of meat and milk from ruminants makes those protein sources valuable adjuncts to human diets. It is anticipated that there will be increasing demand for ruminant proteins in the future. Increasing productivity per animal dilutes out the nutritional and environmental costs of maintenance and rearing dairy animals up to production. A number of nutritional strategies improve production per animal such as ration balancing in smallholder operations and small grain supplements to ruminants fed high-forage diets...
November 20, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29150063/lactose-avoidance-and-bone
#15
EDITORIAL
Bo Abrahamsen, Peter Vestergaard
No abstract text is available yet for this article.
November 3, 2017: Maturitas
https://www.readbyqxmd.com/read/29149860/anaphylactic-shock-with-methylprednisolone-sodium-succinate-in-a-child-with-short-bowel-syndrome-and-cow-s-milk-allergy
#16
Federica Porcaro, Maria Giovanna Paglietti, Antonella Diamanti, Francesca Petreschi, Alessandra Schiavino, Valentina Negro, Valentina Pecora, Alessandro Fiocchi, Renato Cutrera
BACKGROUND: Medications with methyl-prednisolone sodium succinate containing lactose, which potentially contains traces of cow's milk proteins (CMP), could cause allergic reactions or compromise treatment of acute allergic reactions in sensitized patients. CASE PRESENTATION: We describe the unusual case of a one-year-old child affected by short bowel syndrome and history of severe cow's milk allergy (CMA) and anaphylactic reaction due to intravenous administration of methyl-prednisolone sodium succinate (Solu-Medrol 40 mg, Pfizer)...
November 17, 2017: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/29149729/functionalized-gold-nanoparticles-as-affinity-nanoprobes-for-multiple-lectins
#17
Karuppuchamy Selvaprakash, Yu-Chie Chen
Glycan-lectin interactions are commonly observed in nature. Analytical methods, which are used to detect lectins that rely on the use of glycan ligand-modified nanoprobes as affinity probes, have been developed. Most of the existing methods are focused on the use of synthetic glycan ligands. Nevertheless, naturally available glycoproteins, such as ovalbumin in chicken egg whites, are good sources for fabricating glycan-immobilized nanoprobes. In this study, we generated functionalized gold nanoparticles (Au NPs) from a one-pot reaction by reacting chicken egg white (cew) proteins with aqueous tetrachloroaurate...
November 8, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29147872/fluidized-bed-hot-melt-granulation-as-a-tool-to-improve-curcuminoid-solubility
#18
Cristiane C C Teixeira, Elias de Paiva Junior, Luis Alexandre Pedro de Freitas
Curcumin is the main bioactive component of Curcuma longa L. and has recently aroused growing interest from the scientific community. Unfortunately, the medicinal properties attributed to curcuminoids are impaired by their low oral bioavailability or low solubility in aqueous solutions. Many strategies have been studied to improve curcumin solubility; however, the preparation of granules using hydrophilic materials has never been attempted. The aim of this work was to develop curcumin granules by fluidized bed hot-melt granulation using the hydrophilic carrier Gelucire® 50:13...
November 16, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/29142893/evaluation-of-polymerase-chain-reaction-for-detecting-coliform-bacteria-in-drinking-water-sources
#19
Bahram Nasr Isfahani, Hossein Fazeli, Zeinab Babaie, Farkhondeh Poursina, Sharareh Moghim, Meisam Rouzbahani
Background: Coliform bacteria are used as indicator organisms for detecting fecal pollution in water. Traditional methods including microbial culture tests in lactose-containing media and enzyme-based tests for the detection of β-galactosidase; however, these methods are time-consuming and less specific. The aim of this study was to evaluate polymerase chain reaction (PCR) for detecting coliform. Materials and Methods: Totally, 100 of water samples from Isfahan drinking water source were collected...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/29137998/effect-of-temperature-and-selected-sugars-on-dilute-solution-properties-of-two-hairless-canary-seed-starches-compared-with-wheat-starch
#20
Ali Heydari, Seyed Mohammad Ali Razavi, Mahdi Irani
In this paper, influence of temperature (25, 35, 45 and 55°C) and sugars (sucrose and lactose) at different concentrations (0, 5, 10 and 15%) on some molecular parameters of starches from two canary seed varieties (C05041 and CDC Maria) in the dilute regime were investigated in comparison to wheat starch (WS). The results indicated that the intrinsic viscosity ([η]) values of C05041, CDC Maria and WS samples were 1.42, 1.46 and 1.70 dl/g at 25°C, respectively. Intrinsic viscosity of selected starches decreased with an increase in temperature, but the effect of high temperatures were somewhat unnoticeable...
November 11, 2017: International Journal of Biological Macromolecules
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