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https://www.readbyqxmd.com/read/27905924/current-knowledge-and-perspectives-of-paenibacillus-a-review
#1
REVIEW
Elliot Nicholas Grady, Jacqueline MacDonald, Linda Liu, Alex Richman, Ze-Chun Yuan
Isolated from a wide range of sources, the genus Paenibacillus comprises bacterial species relevant to humans, animals, plants, and the environment. Many Paenibacillus species can promote crop growth directly via biological nitrogen fixation, phosphate solubilization, production of the phytohormone indole-3-acetic acid (IAA), and release of siderophores that enable iron acquisition. They can also offer protection against insect herbivores and phytopathogens, including bacteria, fungi, nematodes, and viruses...
December 1, 2016: Microbial Cell Factories
https://www.readbyqxmd.com/read/27898793/increasing-soluble-phosphate-species-by-treatment-of-phosphate-rocks-with-acidic-waste
#2
Wedisson O Santos, Dean Hesterberg, Edson M Mattiello, Leonardus Vergütz, Matheus S C Barreto, Ivo R Silva, Luiz F S Souza Filho
The development of efficient fertilizers with a diminished environmental footprint will help meet the increasing demand for food and nutrients by a growing global population. Our objective was to evaluate whether an acidic mine waste (AMW) could be used beneficially by reacting it with sparingly soluble phosphate rocks (PRs) to produce more soluble P fertilizer materials. Three PRs from Brazil and Peru were reacted with different concentrations of AMW. Changes in mineralogy and P species were determined using a combination of X-ray diffraction and phosphorus K-edge XANES spectroscopy, in addition to extractable P concentrations...
November 2016: Journal of Environmental Quality
https://www.readbyqxmd.com/read/27890703/vitamin-b6-metabolism-in-microbes-and-approaches-for-fermentative-production
#3
REVIEW
Jonathan Rosenberg, Till Ischebeck, Fabian M Commichau
Vitamin B6 is a designation for the six vitamers pyridoxal, pyridoxine, pyridoxamine, pyridoxal 5'-phosphate (PLP), pyridoxine 5'-phosphate, and pyridoxamine. PLP, being the most important B6 vitamer, serves as a cofactor for many proteins and enzymes. In contrast to other organisms, animals and humans have to ingest vitamin B6 with their food. Several disorders are associated with vitamin B6 deficiency. Moreover, pharmaceuticals interfere with metabolism of the cofactor, which also results in vitamin B6 deficiency...
November 24, 2016: Biotechnology Advances
https://www.readbyqxmd.com/read/27889893/monitoring-and-distribution-patterns-of-pesticide-residues-in-soil-from-cotton-wheat-fields-of-pakistan
#4
Nazia Rafique, Saadia R Tariq, Dildar Ahmed
The excessive use of hazardous pesticides for massive cotton and wheat production has deteriorated the quality of Okara district's soil. Thus, in order to sustain the production of good-quality food, it is essential to determine the residue levels of pesticides in the agricultural soil and define their possible sources. Thus, the present study focused on the determination of selected pesticides in the soil samples obtained from cotton/wheat fields by using the modified multi-residue pesticide analysis method based on GCMS and HPLC-UV...
December 0: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27889170/drying-parameters-greatly-affect-the-destruction-of-cronobacter-sakazakii-and-salmonella-typhimurium-in-standard-buffer-and-milk
#5
Emilie Lang, Cyril Iaconelli, Fiona Zoz, Stéphane Guyot, Pablo Alvarez-Martin, Laurent Beney, Jean-Marie Perrier-Cornet, Patrick Gervais
Salmonella Typhimurium and Cronobacter sakazakii are two foodborne pathogens involved in neonatal infections from milk powder and infant formula. Their ability to survive in low-moisture food and during processing from the decontamination to the dried state is a major issue in food protection. In this work, we studied the effects of the drying process on Salmonella Typhimurium and Cronobacter sakazakii, with the aim of identifying the drying parameters that could promote greater inactivation of these two foodborne pathogens...
April 2017: Food Microbiology
https://www.readbyqxmd.com/read/27889146/the-potential-of-species-specific-tagatose-6-phosphate-t6p-pathway-in-lactobacillus-casei-group-for-galactose-reduction-in-fermented-dairy-foods
#6
Qinglong Wu, Nagendra P Shah
Residual lactose and galactose in fermented dairy foods leads to several industrial and health concerns. There is very little information pertaining to manufacture of fermented dairy foods that are low in lactose and galactose. In the present study, comparative genomic survey demonstrated the constant presence of chromosome-encoded tagatose-6-phosphate (T6P) pathway in Lactobacillus casei group. Lactose/galactose utilization tests and β-galactosidase assay suggest that PTS(Gal) system, PTS(Lac) system and T6P pathway are major contributors for lactose/galactose catabolism in this group of organisms...
April 2017: Food Microbiology
https://www.readbyqxmd.com/read/27889138/405%C3%A2-%C3%A2-%C3%A2-5%C3%A2-nm-light-emitting-diode-illumination-causes-photodynamic-inactivation-of-salmonella-spp-on-fresh-cut-papaya-without-deterioration
#7
Min-Jeong Kim, Woo Suk Bang, Hyun-Gyun Yuk
This study evaluated the antibacterial effect of 405 ± 5 nm light emitting diode (LED) illumination against four Salmonella serovars on fresh-cut papaya and on fruit quality at various storage temperatures. To determine the antibacterial mechanism of LED illumination at 0.9 kJ/cm(2), oxidative damage to DNA and membrane lipids of Salmonella in phosphate-buffered saline solution was measured. The populations of Salmonella on cut fruits were significantly (P < 0.05) reduced by 0.3-1.3 log CFU/cm(2) at chilling temperatures following LED illumination for 36-48 h (1...
April 2017: Food Microbiology
https://www.readbyqxmd.com/read/27885680/effect-of-high-hydrostatic-pressure-on-the-enzymatic-hydrolysis-of-bovine-serum-albumin
#8
Serena De Maria, Giovanna Ferrari, Paola Maresca
BACKGROUND: The extent of the enzymatic proteolysis mainly depends on the accessibility of the peptide bonds, which stabilize the protein structure. High Hydrostatic Pressure (HHP) process is able to induce, at certain operating conditions, protein displacement, thus suggesting that this technology can be used to modify protein resistance to the enzymatic attack. This work aims at investigating the mechanism of the enzymatic hydrolysis assisted by HHP performed at different processing conditions (pressure level, treatment time)...
November 24, 2016: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/27880809/molecular-analysis-of-glucose-6-phosphate-dehydrogenase-gene-mutations-in-bangladeshi-individuals
#9
Suprovath Kumar Sarker, Md Tarikul Islam, Grace Eckhoff, Mohammad Amir Hossain, Syeda Kashfi Qadri, A K M Muraduzzaman, Golam Sarower Bhuyan, Mohammod Shahidullah, Mohammad Abdul Mannan, Sarabon Tahura, Manzoor Hussain, Shahida Akhter, Nazmun Nahar, Tahmina Shirin, Firdausi Qadri, Kaiissar Mannoor
Glucose-6-phosphate dehydrogenase (G6PD) deficiency is a common X-linked human enzyme defect of red blood cells (RBCs). Individuals with this gene defect appear normal until exposed to oxidative stress which induces hemolysis. Consumption of certain foods such as fava beans, legumes; infection with bacteria or virus; and use of certain drugs such as primaquine, sulfa drugs etc. may result in lysis of RBCs in G6PD deficient individuals. The genetic defect that causes G6PD deficiency has been identified mostly as single base missense mutations...
2016: PloS One
https://www.readbyqxmd.com/read/27876672/is-there-a-human-health-risk-associated-with-indirect-exposure-to-perfluorinated-carboxylates-pfcas
#10
Amy A Rand, Scott A Mabury
The production and widespread use of poly- and perfluorinated alkyl substances (PFAS) has led to their presence in environment, wildlife, and humans. Particularly, the perfluorinated carboxylates (PFCAs) are pervasive throughout the world and have been found at ng/mL concentrations in human blood. PFCAs, especially those having longer carbon chain lengths (≥C6), are associated with developmental and hormonal effects, immunotoxicity, and promote tumor growth in rodents through their role as PPARα agonists...
November 19, 2016: Toxicology
https://www.readbyqxmd.com/read/27867189/the-role-of-phosphate-in-kidney-disease
#11
REVIEW
Marc G Vervloet, Siren Sezer, Ziad A Massy, Lina Johansson, Mario Cozzolino, Denis Fouque
The importance of phosphate homeostasis in chronic kidney disease (CKD) has been recognized for decades, but novel insights - which are frequently relevant to everyday clinical practice - continue to emerge. Epidemiological data consistently indicate an association between hyperphosphataemia and poor clinical outcomes. Moreover, compelling evidence suggests direct toxicity of increased phosphate concentrations. Importantly, serum phosphate concentration has a circadian rhythm that must be considered when interpreting patient phosphate levels...
November 21, 2016: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/27859875/improving-phosphorus-use-efficiency-a-complex-trait-with-emerging-opportunities
#12
Sigrid Heuer, Roberto Gaxiola, Rhiannon Schilling, Luis Herrera-Estrella, Damar López-Arredondo, Matthias Wissuwa, Emanuel Delhaize, Hatem Rouached
Phosphorus (P) is one of the essential nutrients for plants and indispensable for plant growth and development. P deficiency severely limits crop yield and regular fertilizer applications are required to obtain high yields and prevent soil degradation. To access P from the soil, plants have evolved high and low affinity Pi transporters and the ability to induce root architectural changes to forage P. Also, adjustments of numerous cellular processes are triggered by the P starvation response, a tightly regulated process in plants...
November 17, 2016: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/27858108/effects-of-ranitidine-antacid-food-and-formulation-on-the-pharmacokinetics-of-fostamatinib-results-from-five-phase-i-clinical-studies
#13
Talia Flanagan, Paul Martin, Michael Gillen, David Mathews, Eleanor Lisbon, Martin Kruusmägi
PURPOSE: Fostamatinib is an orally dosed phosphate prodrug that is cleaved by intestinal alkaline phosphatase to the active metabolite R406. Clinical studies were performed to assess the effect of food and ranitidine on exposure, to support in vitro-in vivo relationships (IVIVR) understanding and formulation transitions and to investigate absolute oral bioavailability. METHODS: A series of in vitro dissolution and clinical pharmacokinetic studies were performed to support the design and introduction of a new formulation, understand the impact of changes in in vitro dissolution on in vivo performance for two fostamatinib formulations, to characterize the effects of food and ranitidine on exposure, and determine the absolute oral bioavailability...
November 17, 2016: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27855924/factors-that-impact-the-stability-of-vitamin-c-at-intermediate-temperatures-in-a-food-matrix
#14
Anna-Lena Herbig, Catherine M G C Renard
The study comprises a systematic and quantitative evaluation of potential intrinsic and extrinsic factors that impact vitamin C degradation in a real food matrix. The supernatant of centrifuged apple purée was fortified in vitamin C, and degradation was followed without stirring. Model discrimination indicated better fit for the zero order model than the first order model which was hence chosen for determination of rate constants. pH influenced strongly vitamin C degradation in citrate-phosphate buffer but not in the apple purée serum...
April 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27832439/biosorbent-a-promising-material-for-remediation-of-eutrophic-environments-studies-in-microcosm
#15
Glaucia Pantano, Josilei S Ferreira, Francisco W B Aquino, Edenir R Pereira-Filho, Antonio A Mozeto, Pedro S Fadini
Eutrophication is considered a global environmental problem that causes economic and biodiversity loss. Together with excess phosphorus in some aquatic environments, there is the depletion of phosphate rock deposits, which can directly affect fertilizer production and therefore global food security. Thus, the present work aimed to study a new remediation technique for eutrophic environments that enables the recovery of these environments through phosphorus adsorption in sawdust, creating the possibility to apply the phosphorus-enriched material as an agricultural fertilizer...
November 10, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27825075/comparative-transcript-profiling-of-maize-inbreds-in-response-to-long-term-phosphorus-deficiency-stress
#16
Yanling Sun, Chunhua Mu, Yu Chen, Xiangpei Kong, Yuanchao Xu, Hongxia Zheng, Hui Zhang, Qingcheng Wang, Yanfang Xue, Zongxin Li, Zhaojun Ding, Xia Liu
Maize (Zea mays L.) is an important food and energy crop, and low phosphate (Pi) availability is one of the major constraints in maize production worldwide. Plants adapt suitably to acclimate to low Pi stress. However, the underlying molecular mechanism of Pi deficiency response is still unclear. In this study, comparative transcriptomic analyses were conducted to investigate the differences of transcriptional responses in two maize genotypes with different tolerances to low phosphorus (LP) stress. LP-tolerant genotype QXN233 maintained higher P and Pi levels in shoots than LP-sensitive genotype QXH0121 suffering from Pi deficiency at seedling stage...
October 22, 2016: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/27818275/dietary-phosphorus-burden-increases-cariogenesis-independent-of-vitamin-d-uptake
#17
REVIEW
Ping Shi, J Max Goodson, Chrispinus H Mumena, Afrozul Haq, Mohammed S Razzaque
An association between excessive sugar consumption and dental decay, particularly in children, has been well-established. In this study we have analyzed whether consumption of phosphorus, an important ingredient of sugary drinks, has any association with the evolvement of dental decay. Food consumption, gingival redness and dental decay were evaluated in a total of 8,317children with the mean age of 9.99 +0.68 years with a strong gender bias (p<0.0005); boys being more affected than girls. Our results showed a significant association (p=0...
November 3, 2016: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/27812979/ampk-mitochondria-in-metabolic-diseases
#18
Pedro Bullon, Fabiola Marin-Aguilar, Lourdes Roman-Malo
The obtaining of nutrients is the most important task in our lives. Energy is central to life's evolutions; this was one of the aspect that induced the selection of the more adaptable and more energetically profitable species. Nowadays things have changed in our modern society. A high proportion of people has access to plenty amount of food and the obesity appear as one of the pathological characteristics of our society. Energy is obtained essentially in the mitochondria with the transfer of protons across the inner membrane that produce ATP...
2016: EXS
https://www.readbyqxmd.com/read/27808333/the-physicochemical-properties-in-vitro-binding-capacities-and-in-vivo-hypocholesterolemic-activity-of-soluble-dietary-fiber-extracted-from-soy-hulls
#19
Chun Liu, Xiao-Lu Lin, Zhili Wan, Yuan Zou, Fen-Fen Cheng, Xiao-Quan Yang
Soluble dietary fibers (SDFs) have earned a healthy reputation due to their distinguished physiological functions. In this study, SDF was efficiently extracted from soy hulls using a phosphate-assisted subcritical water extraction method. The physicochemical properties, in vitro binding capacities and in vivo hypocholesterolemic activity of soy hull soluble dietary fiber (SHSDF) were evaluated. The results indicated that the major component of SHSDF was pectic polysaccharides, and with comparison to commercial oat β-glucan, SHSDF had favorable solubility, viscosity, water-holding ability (5...
November 3, 2016: Food & Function
https://www.readbyqxmd.com/read/27803186/metabolism-of-toxic-sugars-by-strains-of-the-bee-gut-symbiont-gilliamella-apicola
#20
Hao Zheng, Alex Nishida, Waldan K Kwong, Hauke Koch, Philipp Engel, Margaret I Steele, Nancy A Moran
: Social bees collect carbohydrate-rich food to support their colonies, and yet, certain carbohydrates present in their diet or produced through the breakdown of pollen are toxic to bees. The gut microbiota of social bees is dominated by a few core bacterial species, including the Gram-negative species Gilliamella apicola We isolated 42 strains of G. apicola from guts of honey bees and bumble bees and sequenced their genomes. All of the G. apicola strains share high 16S rRNA gene similarity, but they vary extensively in gene repertoires related to carbohydrate metabolism...
November 1, 2016: MBio
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