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https://www.readbyqxmd.com/read/28220183/quantitative-light-induced-fluorescence-images-and-digital-photographs-reproducibility-of-manually-marked-demineralisations
#1
Rosalia Tatano, Eva E Ehrlich, Benjamin Berkels, Ekaterina Sirazitdinova, Thomas M Deserno, Ulrike B Fritz
OBJECTIVE: Hard tooth tissue demineralisation is an undesirable side effect of orthodontic treatment with fixed appliances. Whereas both clinically and in digital photographs (DP), demineralisations appear as white spot lesions, WSLs appear as dark areas when quantitative light-induced fluorescence (QLF) imaging is used. This study aims at comparing the reproducibility of the detection of decalcified tooth areas in DP and QLF. MATERIALS AND METHODS: DP and QLF pairs were acquired from 139 teeth of 32 patients after braces removal...
February 20, 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/28220136/novel-sources-of-witchweed-striga-resistance-from-wild-sorghum-accessions
#2
Dorothy A Mbuvi, Clet W Masiga, Eric Kuria, Joel Masanga, Mark Wamalwa, Abdallah Mohamed, Damaris A Odeny, Nada Hamza, Michael P Timko, Steven Runo
Sorghum is a major food staple in sub-Saharan Africa (SSA), but its production is constrained by the parasitic plant Striga that attaches to the roots of many cereals crops and causes severe stunting and loss of yield. Away from cultivated farmland, wild sorghum accessions grow as weedy plants and have shown remarkable immunity to Striga. We sought to determine the extent of the resistance to Striga in wild sorghum plants. Our screening strategy involved controlled laboratory assays of rhizotrons, where we artificially infected sorghum with Striga, as well as field experiments at three sites, where we grew sorghum with a natural Striga infestation...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28220132/identification-of-marker-trait-associations-for-lint-traits-in-cotton
#3
Muhammad A Iqbal, Mehboob-Ur- Rahman
Harvesting high quality lint, a long-awaited breeding goal-accomplished partly, can be achieved by identifying DNA markers which could be used for diagnosing cotton plants containing the desired traits. In the present studies, a total of 185 cotton genotypes exhibiting diversity for lint traits were selected from a set of 546 genotypes evaluated for fiber traits in 2009. These genotypes were extensively studied for three consecutive years (2011-2013) at three different locations. Significant genetic variations were found for average boll weight, ginning out turn (GOT), micronaire value, staple length, fiber bundle strength, and uniformity index...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28218394/cross-sectional-observational-study-of-the-availability-of-evidence-supporting-novel-implantable-devices-used-in-gastrointestinal-surgery
#4
S J Chapman, B Shelton, M Maruthappu, P Singh, P McCulloch, A Bhangu
BACKGROUND: Evidence supporting the implementation of novel surgical devices is unstandardized, despite recommendations for assessing novel innovations. This study aimed to determine the proportion of novel implantable devices used in gastrointestinal surgery that are supported by evidence from RCTs. METHODS: A list of novel implantable devices placed intra-abdominally during gastrointestinal surgery was produced. Systematic searches were performed for all devices via PubMed and clinical trial registries...
February 20, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28217884/male-age-and-strain-affect-ejaculate-quality-in-the-mexican-fruit-fly
#5
Mariana Herrera-Cruz, Solana Abraham, Nicolas Nuñez-Beverido, Norma Flores-Estévez, Martha Reyes-Hernández, Mayvi Alvarado, Diana Pérez-Staples
Aging in all organisms is inevitable. Male age can have profound effects on mating success and female reproduction, yet relatively little is known on the effects of male age on different components of the ejaculate. Furthermore, in mass-reared insects used for the Sterile Insect Technique, there are often behavioral differences between mass-reared and wild males, while differences in the ejaculate have been less studied. The ejaculate in insects is composed mainly of sperm and accessory gland proteins. Here, we studied how male age and strain affected (i) protein quantity of testes and accessory glands, (ii) the biological activity of accessory gland products injected into females, (iii) sperm viability and (iv) sperm quantity stored by females in wild and mass-reared Anastrepha ludens (Diptera: Tephritidae)...
February 19, 2017: Insect Science
https://www.readbyqxmd.com/read/28211291/a-biomechanical-analysis-of-tibial-acl-reconstruction-with-graft-length-mismatch
#6
Evan B Gaines, Diana Lau, Qais Naziri, Westley Hayes, Julio J Jauregui, Bhaveen H Kapadia, William P Urban, Bashir A Zikria
INTRODUCTION: The incidence of graft length mismatch (GLM) during anterior cruciate ligament (ACL) reconstruction is reported to be up to 13%, with a rate of 20% when using bone-patellar tendon-bone (BPTB) allografts. Multiple techniques have been described to accommodate for the longer BPTB graft. As no study has compared the biomechanical properties of these methods (with cyclic loading), we evaluated the strength of four different surgical techniques used to accommodate for GLM during ACL reconstruction...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28211205/locking-interconversion-of-aromatic-oligoamide-foldamers-by-intramolecular-side-chain-crosslinking-toward-absolute-control-of-helicity-in-synthetic-aromatic-foldamers
#7
Lu Zheng, Chengyuan Yu, Yulin Zhan, Xuebing Deng, Ying Wang, Hua Jiang
A series of foldamers of 8-amino-2-quinolinecarboxylic acid were stapled by intramolecular ring-closing olefin metathesis to generate the constrained aromatic foldamers with varying lengths of hydrocarbon side-chains. Investigations clearly revealed that the side-chain crosslinkers are capable of completely locking the interconversions of the stapled aromatic foldamers over a wide range of temperature in CDCl3, even in C2D2Cl4. Hence, the stapled foldamers with the short hydrocarbon crosslinker can be easily separated by silica gel chromatography to generate foldamers with stable, absolute one-handed helicity...
February 16, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28209263/management-of-a-persistent-staple-line-leakage-with-roux-en-y-fistulojejunostomy-following-sleeve-gastrectomy
#8
Romulo Lind, Andre F Teixeira, Muhammad A Jawad
No abstract text is available yet for this article.
December 19, 2016: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28208798/maternal%C3%A2-folic%C3%A2-acid%C3%A2-supplementation%C3%A2-during%C3%A2-pregnancy%C3%A2-and%C3%A2-childhood%C3%A2-allergic%C3%A2-disease%C3%A2-outcomes-%C3%A2-a%C3%A2-question%C3%A2-of%C3%A2-timing
#9
REVIEW
Catrina L McStay, Susan L Prescott, Carol Bower, Debra J Palmer
Since the early 1990s, maternal folic acid supplementation has been recommended prior  to and during the first trimester of pregnancy, to reduce the risk of infant neural tube defects. In  addition, many countries have also implemented the folic acid fortification of staple foods, in order  to promote sufficient intakes amongst women of a childbearing age, based on concerns surrounding  variable dietary and supplementation practices. As many women continue to take folic acid  supplements beyond the recommended first trimester, there has been an overall increase in folate  intakes, particularly in countries with mandatory fortification...
February 9, 2017: Nutrients
https://www.readbyqxmd.com/read/28205037/the-mesenteric-defects-in-laparoscopic-roux-en-y-gastric-bypass-5-years-follow-up-of-non-closure-versus-closure-using-the-stapler-technique
#10
Ebrahim Aghajani, Bent J Nergaard, Bjorn G Leifson, Jan Hedenbro, Hjortur Gislason
BACKGROUND: Internal hernia (IH) is a common complication of laparoscopic Roux-en-Y gastric bypass (LRYGB). Little large-volume data exist on how to handle the mesenteric defects during LRYGB. This study evaluated long-term follow-up (5.5 years) of 2443 patients with primary closure of the mesenteric defects with a stapling device at LRYGB, in comparison with a non-closed group from the same centre. METHODS: All patients (N = 4013) undergoing LRYGB over a 10-year period (2005-2015) at a single institution were evaluated...
February 15, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28202634/dietary-patterns-are-associated-with-metabolic-outcomes-among-adult-samoans-in-a-cross-sectional-study
#11
Dongqing Wang, Nicola L Hawley, Avery A Thompson, Viali Lameko, Muagatutia Sefuiva Reupena, Stephen T McGarvey, Ana Baylin
Background: The Samoan population has been undergoing a nutrition transition toward more imported and processed foods and a more sedentary lifestyle.Objectives: We aimed to identify dietary patterns in Samoa and to evaluate their associations with metabolic outcomes.Methods: The sample of this cross-sectional study includes 2774 Samoan adults recruited in 2010 (1104 with metabolic syndrome compared with 1670 without). Principal component analysis on food items from a 104-item food-frequency questionnaire was used to identify dietary patterns...
February 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28198514/genetic-diversity-among-exotic-cotton-accessions-as-for-qualitative-and-quantitative-traits
#12
L P de Carvalho, F J C Farias, J I S Rodrigues, N D Suassuna, P E Teodoro
Studying genetic diversity among a group of genotypes is important in genetic breeding because identifying hybrid combinations of greater heterotic effect also increases the chance of obtaining plants with favorable allele combinations in an intra-population selection program. The objective of this study was to compare different types of long and extra-long staple cotton and their genetic diversity in relation to the fiber traits and some agronomic traits in order to grant breeding programs. Diversity analysis among 29 cotton accessions based on qualitative and quantitative traits and joint including qualitative and quantitative traits was performed...
February 8, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28197207/maize-fungal-growth-control-with-scopoletin-of-cassava-roots-produced-in-benin
#13
Rafiatou Ba, Teou Alfa, Fernand Gbaguidi, Kosi Mawuéna Novidzro, Kokouvi Dotse, Koffi Koudouvo, Ursula Houngue, Marcel T Donou Hounsode, Kossi Honoré Koumaglo, Yaovi Ameyapoh, Lamine Baba-Moussa
The chemical contamination of food is among the main public health issues in developing countries. With a view to find new natural bioactive products against fungi responsible for chemical contamination of staple food such as maize, the antifungal activity tests of scopoletin extracted from different components of the cassava root produced in Benin were carried out. The dosage of scopoletin from parts of the root (first skin, second skin, whole root, and flesh) was done by High Performance Liquid Chromatography...
2017: International Journal of Microbiology
https://www.readbyqxmd.com/read/28193733/giant-faz10-is-required-for-flagellum-attachment-zone-stabilization-and-furrow-positioning-in-trypanosoma-brucei
#14
Bernardo Pereira Moreira, Carol Kobori Da Fonseca, Tansy C Hammarton, Munira Muhammad Abdel Baqui
The flagellum and flagellum attachment zone (FAZ) are important cytoskeletal structures in trypanosomatids, being required for motility, cell division and cell morphogenesis. Trypanosomatid cytoskeletons contain abundant high molecular weight proteins (HMWPs), but many of their biological functions are still unclear. Here, we report the characterization of the giant FAZ protein, FAZ10, in Trypanosoma brucei, which we show using immuno-electron microscopy, localises to the intermembrane staples in the FAZ intracellular domain...
February 13, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28192163/the-role-of-kenya-in-the-trans-african-spread-of-maize-streak-virus-strain-a
#15
Daniel Pande, Eugene Madzokere, Penelope Hartnady, Simona Kraberger, James Hadfield, Karyna Rosario, Anja Jäschke, Adérito L Monjane, Betty E Owor, Mathews M Dida, Dionne N Shepherd, Darren P Martin, Arvind Varsani, Gordon W Harkins
Maize streak virus (MSV), the causal agent of maize streak disease (MSD), is the most important viral pathogen of Africa's staple food crop, maize. Previous phylogeographic analyses have revealed that the most widely-distributed and common MSV variant, MSV-A1, has been repeatedly traversing Africa over the past fifty years with long-range movements departing from either the Lake Victoria region of East Africa, or the region around the convergence of Zimbabwe, South Africa and Mozambique in southern Africa. Despite Kenya being the second most important maize producing country in East Africa, little is known about the Kenyan MSV population and its contribution to the ongoing diversification and trans-continental dissemination of MSV-A1...
February 9, 2017: Virus Research
https://www.readbyqxmd.com/read/28192089/dynamic-phenylalanine-clamp-interactions-define-single-channel-polypeptide-translocation-through-the-anthrax-toxin-protective-antigen-channel
#16
Koyel Ghosal, Jennifer M Colby, Debasis Das, Stephen T Joy, Paramjit S Arora, Bryan A Krantz
Anthrax toxin is an intracellularly acting toxin where sufficient detail is known about the structure of its channel, allowing for molecular investigations of translocation. The toxin is comprised of three proteins, protective antigen (PA), lethal factor (LF), and edema factor (EF). The toxin's translocon, PA, translocates the large enzymes, LF and EF, across the endosomal membrane into the host cell's cytosol. Polypeptide clamps located throughout the PA channel catalyze the translocation of LF and EF. Here we show that the central peptide clamp, the ϕ clamp, is a dynamic site that governs the overall peptide translocation pathway...
February 10, 2017: Journal of Molecular Biology
https://www.readbyqxmd.com/read/28187868/no-clinical-benefit-from-routine-histologic-examination-of-stapler-doughnuts-at-low-anterior-resection-for-rectal-cancer
#17
Jeremy Sugrue, Francois Dagbert, John Park, Slawomir Marecik, Leela M Prasad, Vivek Chaudhry, Jennifer Blumetti, Rajyasree Emmadi, Anders Mellgren, Johan Nordenstam
BACKGROUND: The aim of this study was to evaluate the clinical utility and cost-effectiveness of routine histologic examination of the doughnuts from stapled anastomoses in patients undergoing a low anterior resection for rectal cancer. METHODS: We performed a retrospective review of 486 patients who underwent a low anterior resection with stapled anastomosis for rectal cancer between 2002 and 2015 at 3 institutions. Pathologic findings in the doughnuts and their impact on patient management were recorded...
February 7, 2017: Surgery
https://www.readbyqxmd.com/read/28185993/intracarpal-shortening-osteotomy-for-kienb%C3%A3-ck-s-disease-a-retrospective-study-of-28-cases
#18
Jérémie Chevrollier, Germain Pomares, Sandrine Huguet, François Dap, Gilles Dautel
INTRODUCTION: Kienböck's disease is rare in patients with a neutral or positive ulnar variance. In these situations, treatment is challenging and controversial.Various intracarpal shortening osteotomy (ICSO) procedures have been proposed. OBJECTIVE: Study the effect of the type of ICSO (isolated capitate osteotomy or combined with hamate osteotomy) on the clinical and radiological outcomes in a retrospective series. METHODS: Patients with Kienböck's disease were treated with ICSO...
February 6, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28184227/using-ceres-maize-and-enso-as-decision-support-tools-to-evaluate-climate-sensitive-farm-management-practices-for-maize-production-in-the-northern-regions-of-ghana
#19
Dilys S MacCarthy, Samuel G K Adiku, Bright S Freduah, Francis Gbefo, Alpha Y Kamara
Maize (Zea mays) has traditionally been a major cereal staple in southern Ghana. Through breeding and other crop improvement efforts, the zone of cultivation of maize has now extended to the northern regions of Ghana which, hitherto, were the home to sorghum and millet as the major cereals. Maize yield in the northern Ghana is hampered by three major biophysical constraints, namely, poor soil fertility, low soil water storage capacity and climate variability. In this study we used the DSSAT crop model to assess integrated water and soil management strategies that combined the pre-season El-Niño-Southern Oscillation (ENSO)-based weather forecasting in selecting optimal planting time, at four locations in the northern regions of Ghana...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28182770/biochemical-and-biophysical-investigations-of-the-interaction-between-human-glucokinase-and-pro-apoptotic-bad
#20
Alix Rexford, Diego A R Zorio, Brian G Miller
The glycolytic enzyme glucokinase (GCK) and the pro-apoptotic protein BAD reportedly reside within a five-membered complex that localizes to the mitochondria of mammalian hepatocytes and pancreatic β-cells. Photochemical crosslinking studies using a synthetic analog of BAD's BH3 domain and in vitro transcription/translation experiments support a direct interaction between BAD and GCK. To investigate the biochemical and biophysical consequences of the BAD:GCK interaction, we developed a method for the production of recombinant human BAD...
2017: PloS One
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