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https://www.readbyqxmd.com/read/29146906/qtl-mapping-and-molecular-characterization-of-the-classical-d-locus-controlling-seed-and-flower-color-in-linum-usitatissimum-flax
#1
Gurudatt Pavagada Sudarshan, Manoj Kulkarni, Leonid Akhov, Paula Ashe, Hamid Shaterian, Sylvie Cloutier, Gordon Rowland, Yangdou Wei, Gopalan Selvaraj
The flowers of flax (linseed) are blue-hued, ephemeral and self-pollinating, and the seeds are typically brown. A century-old interest in natural yellow seed variants and a historical model point to recessive alleles in B1, D and G loci being responsible, but the functional aspects had remained unknown. Here, we characterized the "D" locus by quantitative trait loci (QTL) mapping and identified a FLAVONOID 3'5' HYDROXYLASE (F3'5'H) gene therein. It does not belong to the F3'5'H clade, but resembles biochemically characterized F3'Hs (flavonoid 3' hydroxylase) but without F3'H activity...
November 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29126301/coagulation-testing-in-the-core-laboratory
#2
William E Winter, Sherri D Flax, Neil S Harris
Primary hemostasis begins with endothelial injury. VWF, produced by endothelial cells, binds to platelets and links them to subendothelial collagen. Platelet-derived ADP and thromboxane activate non-adhered platelets via their GPIIb/IIIa receptors, allowing these platelets to participate in platelet aggregation. Secondary hemostasis is initiated with the binding of factor VII to extravascular tissue factor (TF). Factors II, VII, IX and X are vitamin K-dependent factors. The role of vitamin K is to assist in the addition of gamma carboxylate groups to glutamic acids in the "GLA" domains of these factors...
November 8, 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/29117103/development-and-physico-chemical-characterization-of-a-shea-butter-containing-lipid-nutrition-supplement-for-sub-saharan-africa
#3
Elizabeth M Sloffer, Shashank Gaur, Nicki J Engeseth, Juan E Andrade
Lipid-based nutrient supplements (LNS) are used to prevent and treat moderate and severe acute malnutrition, a leading cause of mortality in children-under-five. The physical and chemical changes of two new LNS products were evaluated before and after accelerated shelf life testing (ASLT) according to protocols suggested by the U.S. Agency for International Development (USAID) and Doctors without Borders and compared against USAID's A-20 paste as a control. LNS formulas containing Shea butter from the Shea nut tree (Vitellaria paradoxa), a common fat source in parts of Sub-Saharan Africa, with and without flax-seed oil, as a source of omega-3 fatty acids, were developed...
November 8, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/29112793/effect-of-partially-replacing-a-barley-based-concentrate-with-flaxseed-based-products-on-the-rumen-bacterial-population-of-lactating-holstein-dairy-cows
#4
E Castillo-Lopez, J Moats, N D Aluthge, H A Ramirez Ramirez, D A Christensen, T Mutsvangwa, G B Penner, S C Fernando
AIMS: The effects of partial replacement of a barley-based concentrate with flaxseed-based products on the rumen bacterial population of lactating Holstein dairy cows were evaluated. METHODS AND RESULTS: Treatments fed were CONT, a normal diet that included barley silage, alfalfa hay, and a barley-based concentrate that contained no flaxseed or faba beans; FLAX, inclusion of a non-extruded flaxseed-based product containing 55.0% flaxseed, 37.8% field peas and 6...
November 7, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29111245/environmental-performance-of-straw-based-pulp-making-a-life-cycle-perspective
#5
Mingxing Sun, Yutao Wang, Lei Shi
Agricultural straw-based pulp making plays a vital role in pulp and paper industry, especially in forest deficient countries such as China. However, the environmental performance of straw-based pulp has scarcely been studied. A life cycle assessment on wheat straw-based pulp making in China was conducted to fill of the gaps in comprehensive environmental assessments of agricultural straw-based pulp making. On average, the global warming potential (GWP), GWP excluding biogenic carbon, acidification potential and eutrophication potential of wheat straw based pulp making are 2299kg CO2-eq, 4550kg CO2-eq, 16...
October 27, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29104570/characterization-of-bacterial-and-fungal-community-dynamics-by-high-throughput-sequencing-hts-metabarcoding-during-flax-dew-retting
#6
Christophe Djemiel, Sébastien Grec, Simon Hawkins
Flax dew-retting is a key step in the industrial extraction of fibers from flax stems and is dependent upon the production of a battery of hydrolytic enzymes produced by micro-organisms during this process. To explore the diversity and dynamics of bacterial and fungal communities involved in this process we applied a high-throughput sequencing (HTS) DNA metabarcoding approach (16S rRNA/ITS region, Illumina Miseq) on plant and soil samples obtained over a period of 7 weeks in July and August 2014. Twenty-three bacterial and six fungal phyla were identified in soil samples and 11 bacterial and four fungal phyla in plant samples...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29100992/antagonism-of-the-kappa-opioid-receptor-attenuates-thc-induced-place-aversions-in-adult-male-sprague-dawley-rats
#7
Matthew M Clasen, Shaun M Flax, Briana J Hempel, Kejun Cheng, Kenner C Rice, Anthony L Riley
RATIONALE: Prior research with transgenic mice in which the kappa opioid receptor (KOR) has been suppressed or activated suggests that the aversive effects of THC are mediated by activity of this receptor subtype. If the activity of the KOR system is responsible for mediating the THC's aversive effects, then selective antagonism of the KOR by norBNI should block such aversive effects. To test this hypothesis, rats were pretreated with norBNI 24h prior to place conditioning with THC to assess its effect on the acquisition of THC-induced place aversions...
October 31, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/29050605/isolation-of-cellulose-ii-nanospheres-from-flax-stems-and-their-physical-and-morphological-properties
#8
Jérémy Astruc, Malladi Nagalakshmaiah, Gaétan Laroche, Michel Grandbois, Saïd Elkoun, Mathieu Robert
In this study, cellulose-II nanospheres (CNS) were extracted from flax fibers and analyzed to understand the crystalline, functional and morphological properties by means of X-ray Diffraction (X-RD), Fourier Transform Infrared (FT-IR) and Scanning Electron Microscopy (SEM). FT-IR and SEM results indicate the effective removal of extractives, lignin and hemicellulose. X-RD results clearly show the transformation from cellulose-I to cellulose-II during the mercerization process. Further, the resulting cellulose fibers were treated with sulfuric acid in order to obtain cellulose nanospheres (CNS)...
December 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28993783/genetic-variability-of-27-traits-in-a-core-collection-of-flax-linum-usitatissimum-l
#9
Frank M You, Gaofeng Jia, Jin Xiao, Scott D Duguid, Khalid Y Rashid, Helen M Booker, Sylvie Cloutier
Assessment of genetic variability of plant core germplasm is needed for efficient germplasm utilization in breeding improvement. A total of 391 accessions of a flax core collection, which preserves the variation present in the world collection of 3,378 accessions maintained by Plant Gene Resources of Canada (PGRC) and represents a broad range of geographical origins, different improvement statuses and two morphotypes, was evaluated in field trials in up to 8 year-location environments for 10 agronomic, eight seed quality, six fiber and three disease resistance traits...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28983308/induced-mutagenesis-in-ugt74s1-gene-leads-to-stable-new-flax-lines-with-altered-secoisolariciresinol-diglucoside-sdg-profiles
#10
Bourlaye Fofana, Kaushik Ghose, Ashok Somalraju, Jason McCallum, David Main, Michael K Deyholos, Gordon G Rowland, Sylvie Cloutier
Flax secoisolariciresinol (SECO) diglucoside (SDG) lignan is an emerging natural product purported to prevent chronic diseases in humans. SECO, the aglycone form of SDG, has shown higher intestinal cell absorption but it is not accumulated naturally in planta. Recently, we have identified and characterized a UDP-glucosyltransferase gene, UGT74S1, that glucosylates SECO into its monoglucoside (SMG) and SDG forms when expressed in yeast. However, whether this gene is unique in controlling SECO glucosylation into SDG in planta is unclear...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28982196/effect-of-mechanical-damage-and-wound-healing-on-the-viscoelastic-properties-of-stems-of-flax-cultivars-linum-usitatissimum-l-cv-eden-and-cv-drakkar
#11
Cloé Paul-Victor, Sara Dalle Vacche, Federica Sordo, Siegfried Fink, Thomas Speck, Véronique Michaud, Olga Speck
As plant fibres are increasingly used in technical textiles and their composites, underlying principles of wound healing in living plant fibres are relevant to product quality, and provide inspiration for biomimetic healing in synthetic materials. In this work, two Linum usitatissimum cultivars differing in their stem mechanical properties, cv. Eden (stems resistant to lodging) and cv. Drakkar (with more flexible stems), were grown without wound or with stems previously wounded with a cut parallel or transversal to the stem...
2017: PloS One
https://www.readbyqxmd.com/read/28974821/formulation-characterization-and-antimicrobial-properties-of-black-cumin-essential-oil-nanoemulsions-stabilized-by-osa-starch
#12
Hafiz Rizwan Sharif, Shabbar Abbas, Hamid Majeed, Waseem Safdar, Muhammad Shamoon, Muhammad Aslam Khan, Muhammad Shoaib, Husnain Raza, Junaid Haider
Preparation of oil-in-water nanoemulsions has emerged as a subject of interest for the encapsulation of lipophilic functional ingredients to increase their stability and activity. In this study, black cumin essential oil nanoemulsions (BCO-NE) using different ratios of essential oil with canola and flax seed oils (ripening inhibitors) were formulated and stabilized with octenyl succinic anhydride (OSA) modified waxy maize starch. The nanoemulsions exhibited monomodal size distributions with mean droplet diameter below 200 nm and zeta potential above -30, indicating a strong electrostatic repulsion between the dispersed oil droplets...
September 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28967226/effect-of-ingredients-on-rheological-physico-sensory-and-nutritional-characteristics-of-omega-3-fatty-acid-enriched-eggless-cake
#13
N Abhay Kumar, U J S Prasada Rao, T Jeyarani, D Indrani
The effect of defatted soya flour (DS), flax seed powder (FS) in combination (DSFS) with emulsifiers such as glycerol monostearate, GMS (DSFSG) and sodium stearoyl-2-lactylate, SSL (DSFSS) on the rheological, physico-sensory, protein subunit composition by sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE), fatty acid profile, and nutritional characteristics of eggless cake was studied. Use of DSFS, DSFSG, and DSFSS increased the amylograph peak viscosity, hot and cold paste viscosities similar to the egg...
October 2017: Journal of Texture Studies
https://www.readbyqxmd.com/read/28894144/molecular-details-of-secretory-phospholipase-a2-from-flax-linum-usitatissimum-l-provide-insight-into-its-structure-and-function
#14
Payal Gupta, Prasanta K Dash
Secretory phospholipase A2 (sPLA2) are low molecular weight proteins (12-18 kDa) involved in a suite of plant cellular processes imparting growth and development. With myriad roles in physiological and biochemical processes in plants, detailed analysis of sPLA2 in flax/linseed is meagre. The present work, first in flax, embodies cloning, expression, purification and molecular characterisation of two distinct sPLA2s (I and II) from flax. PLA2 activity of the cloned sPLA2s were biochemically assayed authenticating them as bona fide phospholipase A2...
September 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28888608/effect-of-dietary-flax-seed-and-oil-on-milk-yield-gross-composition-and-fatty-acid-profile-in-dairy-cows-a-meta-analysis-and-meta-regression
#15
M Leduc, M-P Létourneau-Montminy, R Gervais, P Y Chouinard
Several experiments were conducted over the past few years to evaluate the feeding value of flax seed and oil in dairy cow diets. The current meta-analysis and meta-regression was undertaken to assess the overall effect of different forms of flax, as a source of trienoic (cis-9,cis-12,cis-15 18:3) fatty acids (FA), on lactation performance and on transfer efficiency of its constituent n-3 FA from diet to milk fat. Comparisons were first conducted with nonsupplemented controls or with diets containing either saturated (mainly 16:0 or 18:0 or both), monoenoic (mainly cis-9 18:1), or dienoic (mainly cis-9,cis-12 18:2) FA...
November 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28884128/erratum-to-mir319-mir390-and-mir393-are-involved-in-aluminum-response-in-flax-linum-usitatissimum-l
#16
Alexey A Dmitriev, Anna V Kudryavtseva, Nadezhda L Bolsheva, Alexander V Zyablitsin, Tatiana A Rozhmina, Natalya V Kishlyan, George S Krasnov, Anna S Speranskaya, Anastasia A Krinitsina, Asiya F Sadritdinova, Anastasiya V Snezhkina, Maria S Fedorova, Olga Yu Yurkevich, Olga V Muravenko, Maxim S Belenikin, Nataliya V Melnikova
[This corrects the article DOI: 10.1155/2017/4975146.].
2017: BioMed Research International
https://www.readbyqxmd.com/read/28878799/integration-of-physical-genetic-and-cytogenetic-mapping-data-for-cellulose-synthase-cesa-genes-in-flax-linum-usitatissimum-l
#17
Olga Y Yurkevich, Ilya V Kirov, Nadezhda L Bolsheva, Olga A Rachinskaya, Zoya E Grushetskaya, Svyatoslav A Zoschuk, Tatiana E Samatadze, Marina V Bogdanova, Valentina A Lemesh, Alexandra V Amosova, Olga V Muravenko
Flax, Linum usitatissimum L., is a valuable multi-purpose plant, and currently, its genome is being extensively investigated. Nevertheless, mapping of genes in flax genome is still remaining a challenging task. The cellulose synthase (CesA) multigene family involving in the process of cellulose synthesis is especially important for metabolism of this fiber crop. For the first time, fluorescent in situ hybridization (FISH)-based chromosomal localization of the CesA conserved fragment (KF011584.1), 5S, and 26S rRNA genes was performed in landrace, oilseed, and fiber varieties of L...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28841399/infant-and-young-child-feeding-decision-making-and-practices-malawian-mothers-and-fathers-roles-in-the-context-of-hiv
#18
Nainisha Chintalapudi, Gloria Hamela, Innocent Mofolo, Suzanne Maman, Mina C Hosseinipour, Irving F Hoffman, Valerie L Flax
BACKGROUND: Few studies in low- and middle-income countries have examined the roles of couples in infant and young child feeding decision making and practices, and there is no corresponding data in the context of human immunodeficiency virus (HIV). Research aim: This study aimed to explore mothers' and fathers' perceptions of their roles in feeding decision making and practices. METHODS: The authors conducted in-depth interviews with 15 mothers and their male partners, recruited from the catchment areas of two urban and two rural government clinics in Lilongwe District, Malawi...
August 1, 2017: Journal of Human Lactation: Official Journal of International Lactation Consultant Association
https://www.readbyqxmd.com/read/28838555/distinct-effects-of-dietary-flax-compared-to-fish-oil-soy-protein-compared-to-casein-and-sex-on-the-renal-oxylipin-profile-in-models-of-polycystic-kidney-disease
#19
Jessay G Devassy, Tamio Yamaguchi, Md Monirujjaman, Melissa Gabbs, Amir Ravandi, Jing Zhou, Harold M Aukema
Oxylipins are bioactive lipids derived from polyunsaturated fatty acids (PUFA) that are important regulators of kidney function and health. Targeted lipidomic analyses of renal oxylipins from four studies of rodent models of renal disease were performed to investigate the differential effects of dietary flax compared to fish oil, soy protein compared to casein, and sex. Across all studies, dietary fish oil was more effective than flax oil in reducing n-6 PUFA derived oxylipins and elevating eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) derived oxylipins, whereas dietary flax oil resulted in higher α-linolenic acid (ALA) oxylipins...
August 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/28821127/a-comparative-study-on-cellulose-nanocrystals-extracted-from-bleached-cotton-and-flax-and-used-for-casting-films-with-glycerol-and-sorbitol-plasticisers
#20
Emilia Csiszár, Sebestyén Nagy
Cellulose nanocrystals (CNCs) were released from bleached cotton and flax by a sulphuric acid hydrolysis with about 40 and 34% yield, respectively. The rod-like cotton-CNC particles were slightly longer and wider and had a less pronounced aggregation ability in aqueous suspension than the flax-CNC ones. Films were cast from the CNC suspensions with sorbitol and glycerol plasticisers. The concept behind this research was to explore how the plasticisers - with similar structure but different molecular weight - and their concentrations affect the perceptible and measured properties of CNC films...
October 15, 2017: Carbohydrate Polymers
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