keyword
MENU ▼
Read by QxMD icon Read
search

EPS

keyword
https://www.readbyqxmd.com/read/28333317/characterization-of-a-gene-encoding-a-membrane-protein-that-affects-exopolysaccharide-production-and-intracellular-mg2-concentrations-in-ensifer-meliloti
#1
Justin P Hawkins, Ivan J Oresnik
Exopolysaccharides play an important role in the physiology of a bacterial cell. Ensifer meliloti is capable of producing at least two types of exopolysaccharides (EPS); succinoglycan, and galactoglucan. In E. meliloti exopolysaccharides are best known for their role in mediating interaction with its symbiotic hosts. It was previously shown that high concentrations of Mg 2+ or K + were capable of suppressing the mucoid phenotype associated with galactoglucan production in an expR+ derivative of Rm1021. In an attempt to determine how Mg 2+ regulates galactoglucan production, SRmD363 was mutagenized and screened for mutants which were visibly mucoid at high concentrations of magnesium...
March 16, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28330266/biosorption-of-lead-copper-and-cadmium-using-the-extracellular-polysaccharides-eps-of-bacillus-sp-from-solar-salterns
#2
Syed Shameer
Extracellular Polysaccharides (EPS) from both prokaryotes and eukaryotes have a great deal of research interest as they protect the producer from different stresses including antibiotics, ionic stress, desiccation and assist in bio-film formation, pathogenesis, adhesion, etc. In this study haloalkaliphilic Bacillus sp., known to cope with osmophilic stress, was selected and screened for EPS production. The EPS were isolated, partially purified and chemical characteristics were documented using liquid FT-IR followed by assessment of heavy metal biosorption (lead, copper and cadmium) using Atomic Absorption Spectroscopy (AAS)...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330249/emulsifying-activity-of-a-biosurfactant-produced-by-a-marine-bacterium
#3
K Abraham Peele, V Ravi Teja Ch, Vidya P Kodali
Biosurfactants produced by biofilm-forming bacteria have great applications in biotechnology, pharmaceutical, food engineering, bioremediation, and biohydrometallurgy industries. This study aimed to find out the bacteria that produce novel exopolymers (EPSs) which can find potential role in oil biodegradation. A screening procedure was performed to detect EPS-producing bacteria. The EPS producing isolate was identified as Acinetobacter species by 16S rDNA analysis. The polymer produced by the isolate has shown significant emulsification and surfactant activities, and the activities were compared to some of the commercial emulsifiers...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330105/deciphering-the-effect-of-novel-bacterial-exopolysaccharide-based-nanoparticle-cream-against-propionibacterium-acnes
#4
Abraham P Karlapudi, Vidya P Kodali, Krishna P Kota, Sabiha S Shaik, N S Sampath Kumar, Vijaya R Dirisala
Acne vulgaris (acne) is a chronic inflammatory disease prevalent among adolescents and adults, with significant psychological effects. The aetiology of acne is multifactorial. Several pathophysiological associations have been identified in which Propionibacterium acnes plays a major role. This bacteria primarily affects areas containing oil glands including the face, back and trunk, where it causes the formation of seborrhoea and inflammatory lesions. The treatment methods currently in place have side effects...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28327257/determining-the-mechanism-for-low-sludge-yields-in-the-cannibal%C3%A2-solids-reduction-system
#5
Steven W Van Ginkel Joseph Miceli Bi-O Kim Ziming Yang Michelle Young Andrew Marcus And Bruce E Rittmann
Extracellular polymeric substances (EPS) and solids concentrations in samples from the Interchange Bioreactor (IBR) andreturn activated sludge (RAS) from Cannibal® plants having low and high sludge yields were analyzed to understand the mechanisms behind low sludge production. Low sludge yields correlated to more EPS degradation, higher concentrations of iron, and reducing conditions in the IBR. In the low-yield plants, iron was reduced when the RAS passed through the anaerobic and reducing conditions of the IBR, and this led to more EPS solubilization and degradation...
March 16, 2017: Water Environment Research: a Research Publication of the Water Environment Federation
https://www.readbyqxmd.com/read/28326953/placenta-increta-presenting-as-exaggerated-placental-site-reaction
#6
Stewart F Cramer, Debra S Heller
Exaggerated placental site (EPS) is usually an incidental finding seen in curettings after an abortion. Placenta increta is, by definition, a disease that damages and destroys myometrium; however, prior literature has not paid sufficient attention to the role of myometrium in its pathogenesis and diagnosis. We present an unusual case of placenta increta in a hysterectomy performed for uterine perforation after curettage for the termination of pregnancy at 18 weeks. The initial histologic section of the implantation site suggested EPS...
March 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28326776/exopolysaccharides-production-during-the-fermentation-of-soybean-and-fava-bean-flours-by-leuconostoc-mesenteroides-dsm-20343
#7
Yan Xu, Rossana Coda, Qiao Shi, Päivi Tuomainen, Kati Katina, Maija Tenkanen
Consumption of legumes is highly recommended due to their beneficial properties. Thus, there is a great interest in developing new legume-based products with good texture. In situ produced microbial exopolysaccharides (EPS) are regarded as efficient texture modifiers in the food industry. In this study, soybean and fava bean flours with different levels of added sucrose were fermented by Leuconostoc mesenteroides DSM 20343. After fermentation, a significant increase in viscosity was observed. Sugars, glucans, fructans, mannitol, lactic acid and acetic acid were quantified to follow the EPS and metabolite production...
March 22, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28325767/cohesive-properties-of-the-caulobacter-crescentus-holdfast-adhesin-are-regulated-by-a-novel-c-di-gmp-effector-protein
#8
Kathrin S Sprecher, Isabelle Hug, Jutta Nesper, Eva Potthoff, Mohamed-Ali Mahi, Matteo Sangermani, Volkhard Kaever, Torsten Schwede, Julia Vorholt, Urs Jenal
When encountering surfaces, many bacteria produce adhesins to facilitate their initial attachment and to irreversibly glue themselves to the solid substrate. A central molecule regulating the processes of this motile-sessile transition is the second messenger c-di-GMP, which stimulates the production of a variety of exopolysaccharide adhesins in different bacterial model organisms. In Caulobacter crescentus, c-di-GMP regulates the synthesis of the polar holdfast adhesin during the cell cycle, yet the molecular and cellular details of this control are currently unknown...
March 21, 2017: MBio
https://www.readbyqxmd.com/read/28324840/biosorption-of-diethyl-phthalate-ester-by-living-and-nonliving-burkholderia-cepacia-and-the-role-of-its-cell-surface-components
#9
Si Luo, Langlang Li, Anwei Chen, Qingru Zeng, Hao Xia, Ji-Dong Gu
In this study, the dibutyl phthalate (DBP) binding properties of a DBP-tolerant bacterium (B. cepacia) were characterized in terms of adsorption kinetics and isotherm. Living and nonliving cells both exhibited rapid removal of DBP, achieving more than 80% of maximum sorption within 30 min of contact and reached the equilibrium after 3 h. The adsorption isotherms were well fitted with the Sips model and the nonliving cells have greater biosorption capacity and affinity for DBP than the living cells. Furthermore, the absence of an active mechanism dependent on metabolism implied that the DBP bioaccumulation by living cells was mainly attribute to passive surface binding...
March 11, 2017: Chemosphere
https://www.readbyqxmd.com/read/28322954/characterization-of-high-yield-exopolysaccharide-produced-by-phyllobacterium-sp-921f-exhibiting-moisture-preserving-properties
#10
Yinping Li, Gaoli Zhang, Chunying Du, Haijin Mou, Jiefen Cui, Huashi Guan, Hueymin Hwang, Peng Wang
A new strain bacteria was isolated and named as Phyllobacterium sp. 921F, due to its high production capacity of exopolysaccharide (EPS). Characterization of physico-chemical properties of the EPS and optimization for high production were conducted to aim at industrial applications. The optimum pH and temperature were 7.0 and 30°C, respectively. The following scale-up fermentation was carried out in 30L bioreactor and amounts of EPS (21.9g/L) were produced. The EPS with a molecular mass of 1082kDa was composed of glucose, galactose, and pyruvate...
March 17, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28321946/plant-oil-derived-epoxy-polymers-toward-sustainable-biobased-thermosets
#11
Zhongkai Wang, Liang Yuan, Mitra S Ganewatta, Meghan E Lamm, Md Anisur Rahman, Jifu Wang, Shengquan Liu, Chuanbing Tang
Epoxy polymers (EPs) derived from soybean oil with varied chemical structures are synthesized. These polymers are then cured with anhydrides to yield soybean-oil-derived epoxy thermosets. The curing kinetic, thermal, and mechanical properties are well characterized. Due to the high epoxide functionality per epoxy polymer chain, these thermosets exhibit tensile strength over an order of magnitude higher than a control formulation with epoxidized soybean oil. More importantly, thermosetting materials ranging from soft elastomers to tough thermosets can be obtained simply by using different EPs and/or by controlling feed ratios of EPs to anhydrides...
March 21, 2017: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/28321481/molecular-analysis-and-biochemical-characteristics-of-degenerated-strains-of-cordyceps-militaris
#12
Shu-Jing Sun, Chang-Huan Deng, Liao-Yuan Zhang, Kai-Hui Hu
Cordyceps militaris has commercially been cultivated, but its degenerated subcultures have gradually resulted in the reduced production. In this study, the biological characteristics and DNA change of degenerated strains of C. militaris were analyzed in detail. The results showed that the degenerated strains exhibited the lower growth rate, and the deficiency in fruit body formation and pigment production. The degradation of strains was not attributable to DNA changes identified by RAPD and SRAP. Compared to normal strains, the biochemical indexes of degradation strains and normal strains showed that the carotenoid content of degradation strains was significantly lower, the activities of cellulase and amylase of degradation strains were slight lower, and the EPS content was lower, but the IPS was higher...
March 20, 2017: Archives of Microbiology
https://www.readbyqxmd.com/read/28320262/intracardiac-electrophysiological-conduction-parameters-in-adult-dogs
#13
Alicja Cepiel, Agnieszka Noszczyk-Nowak, Robert Pasławski, Adrian Janiszewski, Urszula Pasławska
BACKGROUND: Invasive electrophysiology study (EPS) is one of the most important adjunct tests for the evaluation of arrhythmias in human medicine. Moreover, it is a vital procedure conducted prior to, and after, radiofrequency ablation. However, EPS is neither well known, nor widely used in veterinary medicine. OBJECTIVE: To define the values for intracardiac conduction parameters determined during invasive EPS in dogs. ANIMALS AND METHODS: The study included 16 admitted dogs of various breeds, sex and ages and 6 control Beagles...
March 21, 2017: Veterinary Quarterly
https://www.readbyqxmd.com/read/28319761/dynamic-changes-of-dissolved-organic-matter-in-membrane-bioreactors-at-different-organic-loading-rates-evidence-from-spectroscopic-and-chromatographic-methods
#14
Tahir Maqbool, Jinwoo Cho, Jin Hur
Excitation emission matrix-parallel factor analysis (EEM-PARAFAC) and size exclusion chromatography (SEC) were utilized to explore the dynamics in extracellular polymeric substances (EPS), soluble microbial products (SMP), and effluent for the membrane bioreactors at two different organic loading rates (OLRs). Combination of three different fluorescent components explained the compositional changes of dissolved organic matter. The lower OLR resulted in a higher production of tryptophan-like component (C1) in EPS, while the opposite trends were found for the other two components (humic-like C2 and tyrosine-like C3), signifying the role of C1 in the endogenous condition...
March 9, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28318581/characterization-of-the-chemical-structures-and-physical-properties-of-exopolysaccharides-produced-by-various-streptococcus-thermophilus-strains
#15
U Pachekrepapol, J A Lucey, Y Gong, R Naran, P Azadi
Exopolysaccharides (EPS) produced by some lactic acid bacteria are often used by the dairy industry to improve the rheological and physical properties of yogurt, but the relationship between their structure and functional effect is still unclear. The EPS from different species, or different strains from the same species, may differ in terms of molar mass, repeating unit structure, and EPS yield during fermentation of milk. This study aimed to characterize the detailed properties of EPS produced from 7 strains of Streptococcus thermophilus, which is one of the key cultures used for yogurt manufacture...
March 16, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28314664/membrane-fouling-control-in-membrane-bioreactors-mbrs-using-granular-materials
#16
REVIEW
Oliver Terna Iorhemen, Rania Ahmed Hamza, Joo Hwa Tay
Membrane fouling is considered the major limitation of membrane bioreactors (MBRs). This paper provides an overview on fouling mitigation in MBRs using granular materials. Adsorbents addition extends filtration period, improves critical flux as well as sludge properties (increased flocs size, reduced soluble EPS, improved dewaterability). However, determination of optimal dosages of adsorbents is needed to balance cost savings from fouling mitigation versus cost of adsorbents and sludge handling. The abrasion from granular media reduces cake layer formation, extends membrane filtration period, increases flux (∼20-30%), and reduces aeration intensity by 50%...
March 6, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28297049/improvement-of-radiocephalic-fistula-maturation-rationale-and-design-of-the-liposomal-prednisolone-to-improve-hemodialysis-fistula-maturation-lipmat-study-a-randomized-controlled-trial
#17
Bram M Voorzaat, Jan van Schaik, Koen E A van der Bogt, Liffert Vogt, Laurens Huisman, Bas A Th F Gabreëls, Irene M van der Meer, Randolph G S van Eps, Daniël Eefting, Marcel C Weijmer, Han O Groeneveld, Roos C van Nieuwenhuizen, Henk Boom, Cornelis A Verburgh, Karien van der Putten, Joris I Rotmans
BACKGROUND: Non-maturation is a frequent complication of radiocephalic arteriovenous fistulas (RCAVF). In an animal model, liposomal prednisolone improved maturation of experimental fistulas. The Liposomal Prednisolone to Improve Hemodialysis Fistula Maturation (LIPMAT) study investigates if liposomal prednisolone improves RCAVF maturation. METHODS AND RESULTS: The LIPMAT study is an investigator-initiated, multicenter, double-blinded, placebo-controlled randomized controlled trial with 1:1 randomization to liposomal prednisolone or placebo...
March 6, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28295895/rome-iii-functional-dyspepsia-symptoms-classification-severity-vs-frequency
#18
F Carbone, L Holvoet, T Vanuytsel, J Tack
BACKGROUND: The Rome III criteria subdivide functional dyspepsia (FD) in the epigastric pain syndrome (EPS) and the postprandial distress syndrome (PDS) based on the frequency of the symptoms to optimize the diagnostic and therapeutic approach. However, it is unclear to which extent the frequency of the symptoms is related to their severity. Our aim was to explore the frequency and severity of dyspeptic symptoms and their relationship in FD patients. METHODS: Functional dyspepsia patients fulfilling the Rome III diagnostic completed a questionnaire that evaluated the frequency and severity of FD symptoms...
March 13, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28293390/effect-of-sodium-hydrosulfide-on-mrna-expression-of-prostaglandin-e2-receptors-in-response-to-mucosal-acidification-and-distention-induced-gastric-acid-secretion-in-rats
#19
Seyyed Ali Mard, Simin Mahini, Mahin Dianat, Yaghoob Farbood
OBJECTIVES: Prostaglandins have been shown to mediate the gastro-protective effect of sodium hydrosulfide (NaHS) but effect of NaHS on mRNA expression of prostaglandin E2 receptors (EP1, 3-4; EPs) has not been investigated. Therefore, this study designed to evaluate the effect of NaHS on mRNA expression of EPs receptors in response to mucosal acidification and distention-induced gastric acid secretion in rats. MATERIALS AND METHODS: Fasted rats were randomly assigned into 4 groups (n=6/group)...
February 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28292197/sudden-death-risk-stratification-in-non-ischemic-dilated-cardiomyopathy-using-old-and-new-tools-a-clinical-challenge
#20
Antonis S Manolis
Risk stratification for sudden cardiac death in non-ischemic dilated cardiomyopathy (NIDCM) remains a clinical challenge. Areas Covered: Currently, left ventricular ejection fraction (LVEF), severity of heart failure symptoms according to NYHA classification, and morphology and duration of the QRS complex guide device management in these patients with implantation of a cardioverter defibrillator (ICD) and/or cardiac resynchronization therapy (CRT) devices. Recently, the results of a randomized trial stirred some controversy regarding the utility of ICD in NIDCM patients, however, a subsequent meta-analysis confirmed prior findings of the survival-prolonging benefit of device therapy...
March 15, 2017: Expert Review of Cardiovascular Therapy
keyword
keyword
104022
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"