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https://www.readbyqxmd.com/read/28647122/effect-of-succinate-on-phosphate-solubilization-in-nitrogen-fixing-bacteria-harbouring-chick-pea-and-their-effect-on-plant-growth
#1
Bhagya Iyer, Mahendrapal Singh Rajput, Shalini Rajkumar
Diverse nitrogen fixing bacteria harbouring chick pea rhizosphere and root nodules were tested for multiple plant growth promoting traits like tricalcium phosphate (TCP) and rock phosphate (RP) solubilization, production of ammonia, indole 3-acetic acid, chitinase, phytase and alkaline phosphatase. Isolates belonged to diverse genus like Enterobacter, Acinetobacter, Erwinia, Pseudomonas, Rhizobium, Sinorhizobium, Ensifer, Klebsiella, etc. Most isolates solubilized TCP and RP along with the lowering of media pH, indicating acidification to be the chief mechanism behind this solubilization...
September 2017: Microbiological Research
https://www.readbyqxmd.com/read/28646629/mechanisms-of-inhibitory-effects-of-polycyclic-aromatic-hydrocarbons-in-the-photosynthetic-primary-processes-in-pea-leaves-and-thylakoid-preparations
#2
V D Kreslavski, M Brestic, S K Zharmukhamedov, V Yu Luybimov, A V Lankin, A Jajoo, S I Allakhverdiev
Inhibitory effects of Polycyclic aromatic hydrocarbons on plants is studied in pea leaves in order to elucidate the mechanisms of action of polycyclic aromatic hydrocarbons (PAHs) such as naphthalene (Naph) and phenanthrene (Phen) on activity of photosystem 2 (PS-2). The changes in different Chl fluorescence parameters were calculated on the basis of Chl fluorescence induction curves. Hydrogen peroxide content was measured in leaf homogenates by luminol-dependent chemiluminescence method. We demonstrated that due to PAH treatment, the total energy dissipation (DI0 /ABS) and amount of QB -non-reducing complexes of PS-2 significantly increased...
June 24, 2017: Plant Biology
https://www.readbyqxmd.com/read/28645331/circadian-clock-gene-polymorphisms-in-relation-to-sleep-patterns-and-obesity-in-african-americans-findings-from-the-jackson-heart-study
#3
Pia Riestra, Samson Y Gebreab, Ruihua Xu, Rumana J Khan, Amadou Gaye, Adolfo Correa, Nancy Min, Mario Sims, Sharon K Davis
BACKGROUND: Circadian rhythms regulate key biological processes and the dysregulation of the intrinsic clock mechanism affects sleep patterns and obesity onset. The CLOCK (circadian locomotor output cycles protein kaput) gene encodes a core transcription factor of the molecular circadian clock influencing diverse metabolic pathways, including glucose and lipid homeostasis. The primary objective of this study was to evaluate the associations between CLOCK single nucleotide polymorphisms (SNPs) and body mass index (BMI)...
June 23, 2017: BMC Genetics
https://www.readbyqxmd.com/read/28639230/intracellular-pharmacokinetics-of-antibacterials-and-their-clinical-implications
#4
REVIEW
Federico Pea
The intracellular pharmacokinetics of the different classes of antimicrobials into surrogate markers of tissue accumulation (alveolar macrophages and/or total alveolar cells collected by means of bronchoalveolar lavage or peripheral white blood cells) was reviewed. The aim of this review was to discuss the clinical implications of the intracellular pharmacokinetics of antibacterials, either from the therapeutic or toxicological perspective. The different pharmacokinetic behaviour of antimicrobials within cells is mainly related to their physicochemical properties (hydrophilicity and lipophilicity), and may have several clinical implications...
June 21, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28638443/dosage-compensation-and-sex-specific-epigenetic-landscape-of-the-x-chromosome-in-the-pea-aphid
#5
Gautier Richard, Fabrice Legeai, Nathalie Prunier-Leterme, Anthony Bretaudeau, Denis Tagu, Julie Jaquiéry, Gaël Le Trionnaire
BACKGROUND: Heterogametic species display a differential number of sex chromosomes resulting in imbalanced transcription levels for these chromosomes between males and females. To correct this disequilibrium, dosage compensation mechanisms involving gene expression and chromatin accessibility regulations have emerged throughout evolution. In insects, these mechanisms have been extensively characterized only in Drosophila but not in insects of agronomical importance. Aphids are indeed major pests of a wide range of crops...
2017: Epigenetics & Chromatin
https://www.readbyqxmd.com/read/28635666/host-adaptation-of-soybean-dwarf-virus-following-serial-passages-on-pea-pisum-sativum-and-soybean-glycine-max
#6
Bin Tian, Frederick E Gildow, Andrew L Stone, Diana J Sherman, Vernon D Damsteegt, William L Schneider
Soybean Dwarf Virus (SbDV) is an important plant pathogen, causing economic losses in soybean. In North America, indigenous strains of SbDV mainly infect clover, with occasional outbreaks in soybean. To evaluate the risk of a US clover strain of SbDV adapting to other plant hosts, the clover isolate SbDV-MD6 was serially transmitted to pea and soybean by aphid vectors. Sequence analysis of SbDV-MD6 from pea and soybean passages identified 11 non-synonymous mutations in soybean, and six mutations in pea. Increasing virus titers with each sequential transmission indicated that SbDV-MD6 was able to adapt to the plant host...
June 21, 2017: Viruses
https://www.readbyqxmd.com/read/28634464/anti-inflammatory-and-neuroprotective-effects-of-co-ultrapealut-in-a-mouse-model-of-vascular-dementia
#7
Rosalba Siracusa, Daniela Impellizzeri, Marika Cordaro, Rosalia Crupi, Emanuela Esposito, Stefania Petrosino, Salvatore Cuzzocrea
Vascular dementia (VaD), the second most common cause of cognitive impairment in the population, is a disease that results from reduction in regional cerebral blood flow and involves oxidative stress and inflammation. Co-ultramicronized PEALut (co-ultra PEALut) is a new compound with beneficial effects, which include anti-inflammatory and antioxidant properties. Recently, co-ultraPEALut has been shown to exhibit neuroprotective effects in models of Parkinson's disease, cerebral ischemia and Alzheimer's disease...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28634068/investigation-of-changes-in-endocannabinoids-and-n-acylethanolamides-in-biofluids-and-their-correlations-with-female-infertility
#8
Jun Ding, Xiao-Tong Luo, Yan-Ru Yao, Hua-Ming Xiao, Ming-Quan Guo
Female infertility is a worldwide medical problem, and the scarcity of infertility biomarkers has hindered the ability to launch preventive and therapeutic measures in a timely manner. Intriguingly, alterations in endocannabinoids (eCBs) and N-acylethanolamides (NAEs) have been observed in the biofluids of infertile females. Therefore, a hypothesis of using eCB and NAEs in biofluids as infertility biomarkers was proposed by several researchers; however, little evidence exists to verify the hypothesis. To investigate their correlations with female infertility, we developed a magnetic liquid microextraction-chemical derivatization (MLME-CD) method coupled with liquid chromatography-tandem mass spectrometry for the quantification of eCBs and NAEs in biofluids...
June 12, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28633373/auxin-transport-and-response-requirements-for-root-hydrotropism-differ-between-plant-species
#9
Yusuke Nakajima, Yoshitaka Nara, Akie Kobayashi, Tomoki Sugita, Yutaka Miyazawa, Nobuharu Fujii, Hideyuki Takahashi
The direction of auxin transport changes in gravistimulated roots, causing auxin accumulation in the lower side of horizontally reoriented roots. This study found that auxin was similarly involved in hydrotropism and gravitropism in rice and pea roots, but hydrotropism in Lotus japonicus roots was independent of both auxin transport and response. Application of either auxin transport inhibitors or an auxin response inhibitor decreased both hydrotropism and gravitropism in rice roots, and reduced hydrotropism in pea roots...
June 15, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28631495/serum-endocannabinoids-in-assessing-pain-in-patients-with-chronic-pancreatitis-and-in-those-with-pancreatic-ductal-adenocarcinoma
#10
Raffaele Pezzilli, Pierangela Ciuffreda, Roberta Ottria, Alessandro Ravelli, Gianvico Melzi d'Eril, Alessandra Barassi
BACKGROUND: The endocannabinoid system plays a substantial role in analgesia. AIM: To analyze N-arachidonoylethanolamine (AEA), N-oleoylethanolamine (OEA), linoleoyl ethanolamide (LEA), α-linoleoyl ethanolamine (α-LNEA), N-palmitoylethanolamine (PEA) and N-stearoyl ethanolamine (SEA) in two groups of patients having chronic pancreatic diseases. PATIENTS AND METHODS: Twenty-six patients with chronic pancreatitis, 26 patients with pancreatic ductal adenocarcinoma and 36 healthy subjects were studied...
June 20, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28629201/systemic-induction-of-the-defensin-and-phytoalexin-pisatin-pathways-in-pea-pisum-sativum-against-aphanomyces-euteiches-by-acetylated-and-nonacetylated-oligogalacturonides
#11
Sameh Selim, Jean Sanssené, Stéphanie Rossard, Josiane Courtois
Oligogalacturonides (OGs) are known for their powerful ability to stimulate the plant immune system but little is known about their mode of action in pea (Pisum sativum). In the present study, we investigated the elicitor activity of two fractions of OGs, with polymerization degrees (DPs) of 2-25, in pea against Aphanomyces euteiches. One fraction was nonacetylated (OGs - Ac) whereas the second one was 30% acetylated (OGs + Ac). OGs were applied by injecting the upper two rachises of the plants at three- and/or four-weeks-old...
June 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28627579/correlation-analysis-of-protein-quality-characteristics-with-gluten-free-bread-properties
#12
S W Horstmann, M Foschia, E K Arendt
The interest in gluten-free cereal products has increased significantly over the last number of years and there is still a high demand for high quality products. This study aims to establish possible connections between protein properties and dough and bread quality which could advance the knowledge for gluten-free product development. The objective of the present study was to correlate protein properties with bread characteristics. Therefore, a wide range of tests (solubility, emulsifying, foaming, water hydration properties) was performed to characterize a range of food proteins (potato, pea, carob, lupin and soy)...
June 19, 2017: Food & Function
https://www.readbyqxmd.com/read/28627401/educational-nutrition-messaging-at-breakfast-reduces-snack-intake-and-influences-snack-preferences-in-adult-men-and-women
#13
Jamie I Baum, Brianna L Gaines, Gabrielle C Kubas, Charlayne F Mitchell, Sarah L Russell
Breakfast skipping is associated with increased risk of weight gain and obesity in young adults, possibly due to increased snacking later in the day. Recent research suggests that providing and animal versus a plant source of protein at breakfast can reduce snack intake later in the day. In addition, providing nutrition information via a nutrition label, front-of-pack information, or via text messaging has been shown to help individuals make healthier food choices. The objective of this study was to determine if educational nutrition messaging and protein source influenced snack intake 2 h following the breakfast meal...
June 13, 2017: Appetite
https://www.readbyqxmd.com/read/28626138/evaluation-of-sorption-mechanism-of-pb-ii-andni-ii-onto-pea-pisum-sativum-peels
#14
Atta Ul Haq, Muhammad Saeed, Salma Anjum, Tanveer Hussain Bokhari, Muhammad Usman, Saiqa Tubbsum
The present study was carried out to know the sorption mechanism of Pb (II) and Ni (II) in aqueous solution using pea peels under the influence of sorbent dose, pH, temperature, initial metal ion concentration and contact time. SEM and FTIR were used for characterization of pea peels. The study showed that solution pH affects sorption process and the optimum pH for Pb (II) was 6.0 while for that of Ni (II) was 7.0. Pseudo-second order kinetic model was found to be the most suitable one to explain the kinetic data not only due to high value of R(2) (>0...
June 13, 2017: Journal of Oleo Science
https://www.readbyqxmd.com/read/28623782/factors-responsible-for-the-aggregation-behavior-of-hydrophobic-polyelectrolyte-pea-in-aqueous-solution-studied-by-molecular-dynamics-simulations
#15
Praveenkumar Sappidi, Upendra Natarajan
Self-association (i.e. interchain aggregation) behavior of atactic poly(ethacrylic acid) PEA in dilute aqueous solution as function of degree-of-neutralization by Na(+) counter-ions (i.e. charge fraction f) was investigated by molecular dynamics simulations. Aggregation is found to occur in the range 0≤f≤0.7 in agreement with experimental results compared at specified polymer concentration Cp=0.36mol/l in dilute solution. The macromolecular solution was characterized and analysed for radius-of-gyration, torsion angle distribution, inter and intra-molecular hydrogen bonds, radial distribution functions of intermolecular and inter-atomic pairs, inter-chain contacts and solvation enthalpy...
April 27, 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28623006/a-longevity-study-with-enhancer-substances-selegiline-bpap-detected-an-unknown-tumor-manifestation-suppressing-regulation-in-rat-brain
#16
J Knoll, K Baghy, S Eckhardt, P Ferdinandy, M Garami, L G Harsing, P Hauser, Z Mervai, T Pocza, Z Schaff, D Schuler, I Miklya
AIMS: First proof to show that (-)-deprenyl/selegiline (DEP), the first selective inhibitor of MAO-B, later identified as the first β-phenylethylamine (PEA)-derived synthetic catecholaminergic activity enhancer (CAE) substance and (2R)-1-(1-benzofuran-2-yl)-N-propylpentane-2-amine (BPAP), the tryptamine-derived presently known most potent, selective, synthetic enhancer substance, are specific markers of unknown enhancer-sensitive brain regulations. MAIN METHODS: Longevity study disclosing the operation of tumor-manifestation-suppressing (TMS) regulation in rat brain...
June 13, 2017: Life Sciences
https://www.readbyqxmd.com/read/28618121/specificity-traits-consistent-with-legume-rhizobia-coevolution-displayed-by-ensifer-meliloti-rhizosphere-colonization
#17
María Eugenia Salas, Mauricio Javier Lozano, José Luis López, Walter Draghi, Javier Serrania, Gonzalo Arturo Torres Tejerizo, Francisco Javier Albicoro, Juliet Fernanda Nilsson, Mariano Pistorio, María Florencia Del Papa, Gustavo Parisi, Anke Becker, Antonio Lagares
Rhizobia are α- and ß-Proteobacteria that associate with legumes in symbiosis to fix atmospheric nitrogen. The chemical communication between roots and rhizobia begins in the rhizosphere. Using signature-tagged-Tn5 mutagenesis (STM) we performed a genome-wide screening for Ensifer meliloti genes that participate in colonizing the rhizospheres of alfalfa and other legumes. The analysis of ca. 6,000 mutants indicated that genes relevant for rhizosphere colonization account for nearly 2% of the rhizobial genome and that most (ca...
June 15, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28618004/silencing-of-a-lipase-maturation-factor-2-like-gene-by-wheat-mediated-rnai-reduces-the-survivability-and-reproductive-capacity-of-the-grain-aphid-sitobion-avenae
#18
Lanjie Xu, Qiling Hou, Yanjie Zhao, Lihua Lu, Baoyun Li, Zhongfu Ni, Rongqi Liang
Lipase maturation factor (LMF) family proteins are required for the maturation and transport of active lipoprotein lipases. However, the specific roles of LMF2 remain unknown. In this study, a grain aphid lmf2-like gene fragment was cloned and was highly similar in sequence to a homologous gene in the pea aphid, Acyrthosiphon pisum. An RNAi vector was constructed with this fragment and used for wheat transformation. The expression of the lmf2-like gene in aphid, as well as the growth and reproduction of the aphids, was analyzed after feeding on the transgenic wheat...
June 15, 2017: Archives of Insect Biochemistry and Physiology
https://www.readbyqxmd.com/read/28613443/green-pea-and-garlic-puree-model-food-development-for-thermal-pasteurization-process-quality-evaluation
#19
Ellen R Bornhorst, Juming Tang, Shyam S Sablani, Gustavo V Barbosa-Cánovas, Fang Liu
Development and selection of model foods is a critical part of microwave thermal process development, simulation validation, and optimization. Previously developed model foods for pasteurization process evaluation utilized Maillard reaction products as the time-temperature integrators, which resulted in similar temperature sensitivity among the models. The aim of this research was to develop additional model foods based on different time-temperature integrators, determine their dielectric properties and color change kinetics, and validate the optimal model food in hot water and microwave-assisted pasteurization processes...
June 14, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28612879/cell-migration-on-material-driven-fibronectin-microenvironments
#20
E Grigoriou, M Cantini, M J Dalby, A Petersen, M Salmeron-Sanchez
Cell migration is a fundamental process involved in a wide range of biological phenomena. However, how the underlying mechanisms that control migration are orchestrated is not fully understood. In this work, we explore the migratory characteristics of human fibroblasts using different organisations of fibronectin (FN) triggered by two chemically similar surfaces, poly(ethyl acrylate) (PEA) and poly(methyl acrylate) (PMA); cell migration is mediated via an intermediate layer of fibronectin (FN). FN is organised into nanonetworks upon simple adsorption on PEA whereas a globular conformation is observed on PMA...
June 14, 2017: Biomaterials Science
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