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https://www.readbyqxmd.com/read/28705398/very-long-chain-aldehydes-induce-appressorium-formation-in-ascospores-of-the-wheat-powdery-mildew-fungus-blumeria-graminis
#1
Mo Zhu, Markus Riederer, Ulrich Hildebrandt
Asexually produced conidia of the wheat powdery mildew fungus Blumeria graminis f. sp. tritici (Bgt) are known to perceive cuticular very-long-chain aldehydes as signal substances strongly stimulating germination and differentiation of infection structures in a concentration- and chain-length-dependent manner. Conidial germination and appressorium formation are widely prevented by the presence of free water on the host surface. However, sexually produced ascospores can differentiate immersed in water. Applying a Formvar(®)-based in vitro-system showed that ascospore appressorium formation was strongly induced by the presence of wheat leaf cuticular wax...
August 2017: Fungal Biology
https://www.readbyqxmd.com/read/28698513/anti-inflammatory-activity-of-citric-acid-treated-wheat-germ-extract-in-lipopolysaccharide-stimulated-macrophages
#2
Hee-Yeong Jeong, Yong-Seok Choi, Jae-Kang Lee, Beom-Joon Lee, Woo-Ki Kim, Hee Kang
Until recently, fermentation was the only processing used to improve the functionality of wheat germ. The release of 2,6-dimethoxy-1,4-benzoquinone (DMBQ) from hydroquinone glycosides during the fermentation process is considered a marker of quality control. Here, we treated wheat germ extract with citric acid (CWG) to release DMBQ and examined the anti-inflammatory activity of this extract using a lipopolysaccharide-activated macrophage model. Treatment of wheat germ with citric acid resulted in detectable release of DMBQ but reduced total phenolic and total flavonoid contents compared with untreated wheat germ extract (UWG)...
July 10, 2017: Nutrients
https://www.readbyqxmd.com/read/28693732/wheat-germ-agglutinin-and-lens-culinaris-agglutinin-sensitized-anisotropic-silver-nanoparticles-in-detection-of-bacteria-a-simple-photometric-assay
#3
Mariam V Mikaelyan, Gayane G Poghosyan, Olga D Hendrickson, Boris B Dzantiev, Vardan K Gasparyan
Efficacy of anisotropic silver nanoparticles sensitized with wheat germ agglutinin (WGA) and Lens culinaris agglutinin (LCA) was studied for detection of Staphylococcus aureus and Escherichia coli. It was demonstrated that interaction of these nanoparticles with bacteria stabilizes them and prevents their aggregation upon addition of sodium chloride; such stabilization depends on bacteria concentration. High concentration of bacteria results in higher stabilization whereas low concentration leads to aggregation of nanoparticles...
August 15, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28688084/chemical-proteomic-analysis-of-6-benzylaminopurine-molecular-partners-in-wheat-grains
#4
Radim Simerský, Ivo Chamrád, Jindřich Kania, Miroslav Strnad, Marek Šebela, René Lenobel
An affinity-based chemical proteomic technique enabled direct identification of BAP-interacting proteins in wheat, including the well-known cytokinin-binder, cytokinin-binding protein 1. In this work, we show the development of a chemical proteomic technique for the identification of proteins binding to natural aromatic cytokinins (CKs). 6-benzylaminopurine (BAP) and documented CK-binder, wheat germ-allocated cytokinin-binding protein 1 (CBP-1), were suggested as an ideal proof-of concept affinity pair. Therefore, wheat grains were chosen as a model plant material...
July 7, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28686627/wga-based-lectin-affinity-gel-electrophoresis-a-novel-method-for-the-detection-of-o-glcnac-modified-proteins
#5
Yuji Kubota, Ko Fujioka, Mutsuhiro Takekawa
Post-translational modification with O-linked β-N-acetylglucosamine (O-GlcNAc) occurs selectively on serine and/or threonine residues of cytoplasmic and nuclear proteins, and dynamically regulates their molecular functions. Since conventional strategies to evaluate the O-GlcNAcylation level of a specific protein require time-consuming steps, the development of a rapid and easy method for the detection and quantification of an O-GlcNAcylated protein has been a challenging issue. Here, we describe a novel method in which O-GlcNAcylated and non-O-GlcNAcylated forms of proteins are separated by lectin affinity gel electrophoresis using wheat germ agglutinin (WGA), which primarily binds to N-acetylglucosamine residues...
2017: PloS One
https://www.readbyqxmd.com/read/28667579/the-impact-of-fish-oil-and-wheat-germ-oil-combination-on-mineral-bone-and-inflammatory-markers-in-maintenance-hemodialysis-patients-a-randomized-double-blind-placebo-controlled-clinical-trial
#6
Hadeer Zakaria, Tarek M Mostafa, Gamal A El-Azab, Ahmed M Abd El Wahab, Heba Elshahawy, Nagy Ah Sayed-Ahmed
PURPOSE: This study aimed to examine the impact of combined supplementation of fish oil (FO) with antioxidants like wheat germ oil (WGO) on mineral-bone and inflammatory markers in maintenance HD patients. METHODS: This randomized, double-blind, placebo-controlled trial involved 46 HD patients who were randomly assigned into two groups to receive daily 3000 mg of FO [1053 mg omega-3 fatty acids (ω-3 FAs)] plus 300 mg of WGO [0.765 mg vitamin E] or placebo for 4 months...
June 30, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28652201/incorporation-of-in-vitro-digestive-enzymes-in-an-intestinal-epithelial-cell-line-model-for-protein-hazard-identification
#7
Lauren K Markell, Stephanie M Wezalis, Jason M Roper, Cindi Zimmermann, Bryan Delaney
Relatively few proteins in nature produce adverse effects following oral exposure. Of those that do, effects are often observed in the gut, particularly on intestinal epithelial cells (IEC). Previous studies reported that addition of protein toxins to IEC lines disrupted monolayer integrity but innocuous dietary proteins did not. Studies presented here investigated the effects of innocuous (bovine serum albumin, β-lactoglobulin, RuBisCO, fibronectin) or hazardous (phytohaemagglutinin-E, concanavalin A, wheat germ agglutinin, melittin) proteins that either were untreated or exposed to digestive enzymes prior to addition to Caco-2 human IEC line monolayers...
June 23, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28648723/a-protocol-for-the-simultaneous-identification-of-chitin-containing-particles-and-their-associated-bacteria
#8
Florencia Biancalana, Germán A Kopprio, Rubén J Lara, Cecilia Alonso
Chitin is the second most abundant polymer on Earth, playing a crucial role in the biogeochemical cycles. A core issue for studying its processing in aquatic systems is the identification and enumeration of chitin-containing particles and organisms, ideally in a manner that can be directly linked to bulk chitin quantification. The aim of this study was the development of such a technique. We successfully combined the methodology of bulk chitin determination using wheat germ agglutinin (FITC-WGA) for staining chitin-containing particles and organisms along with CARD-FISH staining of either chitin-containing eukaryotic cells or bacteria associated with them...
June 7, 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28639357/cerebellar-projections-to-the-ventral-lateral-geniculate-nucleus-and-the-thalamic-reticular-nucleus-in-the-cat
#9
Hiroyuki Nakamura
The ventral lateral geniculate nucleus (LGNv) is a retinorecipient part of the ventral thalamus and in cats, it consists of medial (M), medial intermediate (IM), lateral intermediate (IL), lateral (L), and dorsal (D) subdivisions. These subdivisions can be differentiated not only by their cytoarchitecture, but also by their connectivity and putative functions. The LGNv may play a role in visuomotor gating, in that there is evidence of cerebellar afferent projections to the intermediate subdivisions. The cerebellar posterior interpositus (IP) and lateral (LC) nuclei are known to project to IM and IL, but the specifics of these projections are unclear...
June 22, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28635255/characterization-and-immunomodulatory-activity-of-a-novel-peptide-ecfsta-from-wheat-germ-globulin
#10
Wenjia Wu, Mengmeng Zhang, Yao Ren, Xinze Cai, Zhina Yin, Xiaoai Zhang, Tian Min, Hui Wu
A novel peptide was extracted from wheat germ globulin and purified using ion-exchange chromatography, gel filtration chromatography, and semi-preparative reversed-phase high-performance liquid chromatography (RP-HPLC). The sequence of the peptide was found to be Glu-Cys-Phe-Ser-Thr-Ala (ECFSTA). Its immunomodulatory effects were evaluated, and the results showed that ECFSTA could enhance phagocytosis of RAW 264.7 cells and significantly increase their secretion of nitric oxide (NO), interleukin 6 (IL-6), tumor necrosis factor α (TNF-α), and reactive oxygen species (ROS)...
June 29, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28633842/effects-of-multi-frequency-ultrasound-pretreatment-under-low-power-density-on-the-enzymolysis-and-the-structure-characterization-of-defatted-wheat-germ-protein
#11
Xue Yang, Yunliang Li, Suyun Li, Ayobami Olayemi Oladejo, Yucheng Wang, Shanfen Huang, Cunshan Zhou, Yang Wang, Li Mao, Yanyan Zhang, Haile Ma, Xiaofei Ye
The effects of ultrasonic frequency mode, power density, pretreatment time and other parameters under low power density on the degree of hydrolysis (DH) of defatted wheat germ protein (DWGP) and angiotensin-I-converting enzyme (ACE) inhibitory activity of DWGP hydrolysate were studied in this research. Ultraviolet-visible (UV-Vis) spectra, free sulfhydryl (SH), disulfide bond (SS), surface hydrophobicity and hydrophobic protein content of ultrasound-pretreated protein and hydrophobic amino acid (HAA) content of alcalase-hydrolysate of DWGP were measured under optimized ultrasonic condition...
September 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28626561/enantioselective-carbohydrate-recognition-by-synthetic-lectins-in-water
#12
Pablo Ríos, Tiddo J Mooibroek, Tom S Carter, Christopher Williams, Miriam R Wilson, Matthew P Crump, Anthony P Davis
Carbohydrate receptors with a chiral framework have been generated by combining a tetra-aminopyrene and a C3-symmetrical triamine via isophthalamide spacers bearing water-solubilising groups. These "synthetic lectins" are the first to show enantiodiscrimination in aqueous solution, binding N-acetylglucosamine (GlcNAc) with 16 : 1 enantioselectivity. They also show exceptional affinities. GlcNAc is bound with Ka up to 1280 M(-1), more than twice that measured for previous synthetic lectins, and three times the value for wheat germ agglutinin, the lectin traditionally employed to bind GlcNAc in glycobiological research...
May 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28622359/aerobic-exercise-protects-against-pressure-overload-induced-cardiac-dysfunction-and-hypertrophy-via-%C3%AE-3-ar-nnos-no-activation
#13
Bin Wang, Ming Xu, Wenju Li, Xiaoli Li, Qiangsun Zheng, Xiaolin Niu
Aerobic exercise confers sustainable protection against cardiac hypertrophy and heart failure (HF). Nitric oxide synthase (NOS) and nitric oxide (NO) are known to play an important role in exercise-mediated cardioprotection, but the mechanism of NOS/NO stimulation during exercise remains unclear. The aim of this study is to determine the role of β3-adrenergic receptors (β3-ARs), NOS activation, and NO metabolites (nitrite and nitrosothiols) in the sustained cardioprotective effects of aerobic exercise. An HF model was constructed by transverse aortic constriction (TAC)...
2017: PloS One
https://www.readbyqxmd.com/read/28613837/artificial-off-riboswitches-that-downregulate-internal-ribosome-entry-without-hybridization-switches-in-a-eukaryotic-cell-free-translation-system
#14
Atsushi Ogawa, Hiroki Masuoka, Tsubasa Ota
We constructed novel artificial riboswitches that function in a eukaryotic translation system (wheat germ extract), by rationally implanting an in vitro-selected aptamer into the intergenic internal ribosome entry site (IRES) of Plautia stali intestine virus. These eukaryotic OFF-riboswitches (OFF-eRSs) ligand-dose-dependently downregulate IRES-mediated translation without hybridization switches, which typical riboswitches utilize for gene regulation. The hybridization-switch-free mechanism not only allows for easy design but also requires less energy for regulation, resulting in a higher switching efficiency than hybridization-switch-based OFF-eRSs provide...
June 14, 2017: ACS Synthetic Biology
https://www.readbyqxmd.com/read/28604122/blood-stage-malaria-vaccines-post-genome-strategies-for-the-identification-of-novel-vaccine-candidates
#15
Edward H Ntege, Eizo Takashima, Masayuki Morita, Hikaru Nagaoka, Tomoko Ishino, Takafumi Tsuboi
An efficacious malaria vaccine is necessary to advance the current control measures towards malaria elimination. To-date, only RTS,S/AS01, a leading pre-erythrocytic stage vaccine completed phase 3 trials, but with an efficacy of 28-36% in children, and 18-26% in infants, that waned over time. Blood-stage malaria vaccines protect against disease, and are considered effective targets for the logical design of next generation vaccines to improve the RTS,S field efficacy. Therefore, novel blood-stage vaccine candidate discovery efforts are critical, albeit with several challenges including, high polymorphisms in vaccine antigens, poor understanding of targets of naturally protective immunity, and difficulties in the expression of high AT-rich plasmodial proteins...
June 19, 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/28602911/jaburetox-induced-toxic-effects-on-the-hemocytes-of-rhodnius-prolixus-hemiptera-reduviidae
#16
Natalia R Moyetta, Valquiria Broll, Ana Paula A Perin, Augusto F Uberti, Matheus V Coste Grahl, Fernanda Staniscuaski, Celia R Carlini, Leonardo L Fruttero
Jaburetox is a recombinant peptide derived from a Canavalia ensiformis urease that presents toxic effects upon several species of insects, phytopathogenic fungi and yeasts of medical importance. So far, no toxicity of Jaburetox to mammals has been shown. Previous reports have identified biochemical targets of this toxic peptide in insect models, although its mechanism of action is not completely understood. In this work, we aimed to characterize the effects of Jaburetox in hemolymphatic insect cells. For this purpose, the model insect and Chagas' disease vector Rhodnius prolixus was used...
June 8, 2017: Comparative Biochemistry and Physiology. Toxicology & Pharmacology: CBP
https://www.readbyqxmd.com/read/28595582/enhancing-the-quality-and-lipid-stability-of-chicken-nuggets-using-natural-antioxidants
#17
Muhammad Sajid Arshad, Ali Imran, Muhammad Tahir Nadeem, Muhammad Sohaib, Farhan Saeed, Faqir Muhammad Anjum, Joong-Ho Kwon, Shahzad Hussain
BACKGROUND: Current day consumers prefer natural antioxidants to synthetic antioxidants because they are more active. However, the activity generally depends on the specific condition and composition of food. The aim of this study was to investigate the effect of wheat germ oil and α-lipoic acid on the quality characteristics, antioxidant status, fatty acid profile, and sensory attributes of chicken nuggets. METHODS: Six types of diets were prepared for feeding the chickens to evaluate the quality of nuggets made from the leg meat of these experimental animals...
June 8, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28591780/position-dependent-effects-of-regioisomeric-methylated-adenine-and-guanine-ribonucleosides-on-translation
#18
Changjun You, Xiaoxia Dai, Yinsheng Wang
Reversible methylation of the N6 or N1 position of adenine in RNA has recently been shown to play significant roles in regulating the functions of RNA. RNA can also be alkylated upon exposure to endogenous and exogenous alkylating agents. Here we examined how regio-specific methylation at the hydrogen bonding edge of adenine and guanine in mRNA affects translation. When situated at the third codon position, the methylated nucleosides did not compromise the speed or accuracy of translation under most circumstances...
June 7, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28587523/defatted-wheat-germ-application-influence-on-cookies-properties-with-regard-to-its-particle-size-and-dough-moisture-content
#19
Jovana Petrović, Dušan Rakić, Aleksandar Fišteš, Biljana Pajin, Ivana Lončarević, Vladimir Tomović, Danica Zarić
The introduction of agro-food industry by-products rich in bioactive compounds represents major challenge in food industry sector. The influence of wheat germ particle size (<150 µm, 150-1000 µm, and 800-2000 µm), wheat germ content (5, 10, and 15%), and dough moisture content (20, 22, and 24%) on chemical, textural, and sensory characteristics of cookies was investigated using the Box-Behnken experimental design. The substitution of wheat flour with wheat germ increased the protein, fat, mineral, and fiber content of the cookies...
January 1, 2017: Food Science and Technology International, Ciencia y Tecnología de Los Alimentos Internacional
https://www.readbyqxmd.com/read/28586046/enhanced-effect-of-nuclear-localization-signal-peptide-during-ultrasound%C3%A2-targeted-microbubble-destruction%C3%A2-mediated-gene-transfection
#20
Sheng Cao, Qing Zhou, Jin-Ling Chen, Nan Jiang, Yi-Jia Wang, Qing Deng, Bo Hu, Rui-Qiang Guo
Ultrasound‑targeted microbubble destruction (UTMD) can promote the entry of plasmid DNA (pDNA) into the cell cytoplasm, by increasing the permeability of the cell membrane. But the transfection efficiency remains low due to inability of the pDNA to enter the nucleus. Various methods have been explored to improve the UTMD transfection efficiency, but with little success. In cells, the classic nuclear localization signal (cNLS) peptide is an amino acid sequence that signals proteins that are due for nuclear transport...
July 2017: Molecular Medicine Reports
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