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https://www.readbyqxmd.com/read/28780587/genotyping-by-sequencing-highlights-original-diversity-patterns-within-a-european-collection-of-1191-maize-flint-lines-as-compared-to-the-maize-usda-genebank
#1
Brigitte Gouesnard, Sandra Negro, Amélie Laffray, Jeff Glaubitz, Albrecht Melchinger, Pedro Revilla, Jesus Moreno-Gonzalez, Delphine Madur, Valérie Combes, Christine Tollon-Cordet, Jacques Laborde, Dominique Kermarrec, Cyril Bauland, Laurence Moreau, Alain Charcosset, Stéphane Nicolas
Genotyping by sequencing is suitable for analysis of global diversity in maize. We showed the distinctiveness of flint maize inbred lines of interest to enrich the diversity of breeding programs. Genotyping-by-sequencing (GBS) is a highly cost-effective procedure that permits the analysis of large collections of inbred lines. We used it to characterize diversity in 1191 maize flint inbred lines from the INRA collection, the European Cornfed association panel, and lines recently derived from landraces. We analyzed the properties of GBS data obtained with different imputation methods, through comparison with a 50 K SNP array...
August 5, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28768296/dietary-pattern-and-colonic-diverticulosis
#2
Antonio Tursi
PURPOSE OF REVIEW: To assess the role of dietary pattern on the occurrence of colonic diverticulosis, diverticular disease and acute diverticulitis. RECENT FINDINGS: High-fiber diet does not prevent diverticulosis occurrence, and results about prevention/treatment of diverticular disease and acute diverticulitis are still conflicting.No association was seen between nut, corn or popcorn consumption and occurrence of diverticulosis, diverticular disease and acute diverticulitis...
September 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/28686116/clinical-radiological-and-histological-features-and-treatment-outcomes-of-supratentorial-extraventricular-ependymoma-14-cases-from-a-single-center
#3
Shoujia Sun, Junwen Wang, Mingxin Zhu, Rajluxmee Beejadhursing, Pan Gao, Xiaojing Zhang, Liwu Jiao, Wei Jiang, Changshu Ke, Kai Shu
OBJECTIVE Reports on supratentorial extraventricular ependymoma (STE) are relatively rare. The object of this study was to analyze the clinical, radiological, and histological features and treatment outcomes of 14 patients with STE. METHODS Overall, 227 patients with ependymoma underwent surgical treatment in the authors' department between January 2010 and June 2015; 14 of these patients had STE. Data on clinical presentation, radiological studies, histopathological findings, surgical strategies, and treatment outcomes in these 14 cases were retrospectively analyzed...
July 7, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28675759/sensory-and-physical-effects-of-sugar-reduction-in-a-caramel-coating-system
#4
Emily J Mayhew, Shelly J Schmidt, Soo-Yeun Lee
Sugar reduction in processed foods is a pressing and complex problem, as sugars contribute important sensory and physical properties to foods. Composed of sugars and lipids, caramel coating systems, like the coating in caramel popcorns, exemplify this challenge. In order to probe the feasibility and consequences of sugar reduction, both sensory and physical properties were measured for 3 types of caramel coating systems. Four commonly used sugar alcohols, isomalt, maltitol, mannitol, and sorbitol, with different thermal properties and relative sweetness values were chosen to replace sugar in the caramel coating systems at 25% and 50% sugar reduction levels...
July 4, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28671247/genetic-variability-among-elite-popcorn-lines-based-on-molecular-and-morphoagronomic-characteristics
#5
J F Dos Santos, C A Mangolin, M F P S Machado, C A Scapim, W Giordani, L S A Gonçalves
Knowledge of genetic diversity among genotypes and relationships among elite lines is of great importance for the development of breeding programs. Therefore, the objective of this study was to evaluate genetic variability based on the morphoagronomic and molecular characterization of 18 elite popcorn (Zea mays var. everta) lines to be used by Universidade Estadual de Maringá breeding programs. We used 31 microsatellite primers (widely distributed in the genome), and 16 morphological descriptors (including the resistance to maize white spot, common rust, polysora rust of maize, cercospora and leaf blights)...
June 29, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28627906/evidence-of-a-goal-directed-process-in-human-pavlovian-instrumental-transfer
#6
Tina Seabrooke, Mike E Le Pelley, Lee Hogarth, Chris J Mitchell
Cues that signal rewards can motivate reward-seeking behaviors, even for outcomes that are not currently desired. Three experiments examined this phenomenon, using an outcome-selective Pavlovian-instrumental transfer (PIT) design and an outcome devaluation procedure. In Experiment 1, participants learned to perform one response to earn crisps points and another response to earn popcorn points. One outcome was then devalued by adulterating it to make it taste unpleasant. On test, overall response choice was biased toward the outcome that had not been devalued, indicating goal-directed control...
June 19, 2017: Journal of Experimental Psychology. Animal Learning and Cognition
https://www.readbyqxmd.com/read/28587783/the-use-of-diacetyl-2-3-butanedione-and-related-flavoring-substances-as-flavorings-added-to-foods-workplace-safety-issues
#7
John B Hallagan
In 2001, staff of the National Institute of Occupational Safety and Health (NIOSH) identified diacetyl (2,3-butanedione) as a "marker" of exposure in a microwave popcorn manufacturing facility in which workers developed severe respiratory illness. Subsequent investigations identified additional workers in food and flavor manufacturing facilities also with severe respiratory illness. The flavor industry, NIOSH, and federal and state regulators conducted significant programs to address workplace safety concerns related to the manufacture of flavors and foods containing added flavors...
August 1, 2017: Toxicology
https://www.readbyqxmd.com/read/28537735/improved-superresolution-imaging-using-telegraph-noise-in-organic-semiconductor-nanoparticles
#8
Yifei Jiang, Muskendol Novoa, Teeranan Nongnual, Rhonda Powell, Terri Bruce, Jason McNeill
Small semiconductor structures often exhibit "telegraph noise". If the number of charge carriers is small, then spontaneous changes in the number of carriers can lead to abrupt switching between two or more discrete levels, leading to burst noise or popcorn noise in transistors. We have observed similar behavior in the fluorescence of organic semiconductor nanoparticles, where typical carrier populations are often less than ∼10 carriers per nanoparticle. Spontaneous changes in the number of charges results in abrupt switching between 2 or more fluorescence intensity levels, because the charges act as highly efficient fluorescence quenchers...
June 14, 2017: Nano Letters
https://www.readbyqxmd.com/read/28530554/simultaneous-determination-of-fumonisins-b1-and-b2-in-different-types-of-maize-by-matrix-solid-phase-dispersion-and-hplc-ms-ms
#9
Gabriel Barros de Oliveira, Carolyne Menezes de Castro Gomes Vieira, Ricardo Mathias Orlando, Adriana Ferreira Faria
This work involved the optimization and validation of a method, according to Directive 2002/657/EC and the Analytical Quality Assurance Manual of Ministério da Agricultura, Pecuária e Abastecimento, Brazil, for simultaneous extraction and determination of fumonisins B1 and B2 in maize. The extraction procedure was based on a matrix solid phase dispersion approach, the optimization of which employed a sequence of different factorial designs. A liquid chromatography-tandem mass spectrometry method was developed for determining these analytes using the selected reaction monitoring mode...
October 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28528894/the-social-facilitation-of-eating-without-the-presence-of-others-self-reflection-on-eating-makes-food-taste-better-and-people-eat-more
#10
Ryuzaburo Nakata, Nobuyuki Kawai
Food tastes better and people eat more of it when eaten with company than alone. Although several explanations have been proposed for this social facilitation of eating, they share the basic assumption that this phenomenon is achieved by the existence of co-eating others. Here, we demonstrate a similar "social" facilitation of eating in the absence of other individuals. Elderly participants tasted a piece of popcorn alone while in front of a mirror (which reflects the participant themselves eating popcorn) or in front of a wall-reflecting monitor, and were found to eat more popcorn and rate it better tasting in the self-reflecting condition than in the monitor condition...
May 19, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28490108/evaluation-of-2-acetyl-1-pyrroline-in-foods-with-an-emphasis-on-rice-flavour
#11
REVIEW
Xuan Wei, Dody D Handoko, Leela Pather, Lisa Methven, J Stephen Elmore
The popcorn-like aroma compound 2-acetyl-1-pyrroline (2-AP) is a key contributor to the desirable aroma of fragrant rice and is also important in the aroma of other foods, such as pandan leaf, popcorn and Mediterranean sausage. It can be formed enzymatically in the rice grain as it grows and is also formed, as part of the Maillard reaction, when rice is heated. This review examines the formation of 2-AP in rice and other foods, particularly its formation during cooking, focusing on the importance of the Maillard reaction between reducing sugar breakdown products and 1-pyrroline derived from the amino acids proline and ornithine...
October 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28449323/in-vitro-comparison-of-renal-stone-laser-treatment-using-fragmentation-and-popcorn-technique
#12
Paul Klaver, Tjeerd de Boorder, Alex I Rem, Tycho M T W Lock, Herke Jan Noordmans
OBJECTIVE: To study the effectiveness of two laser techniques clinically used to fragment renal stones: fragmenting technique (FT) and popcorn technique (PT). METHODS: Phantom stones were placed in a test tube filled with water, mimicking a renal calyx model. A Holmium:YAG laser was used for fragmentation using both techniques. Four series of experiments were performed with two parameters: the technique (FT or PT) and the number of stones in the test tube (one or four)...
April 27, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28444823/dissociable-corticostriatal-circuits-underlie-goal-directed-vs-cue-elicited-habitual-food-seeking-after-satiation-evidence-from-a-multimodal-mri-study
#13
Henk van Steenbergen, Poppy Watson, Reinout W Wiers, Bernhard Hommel, Sanne de Wit
The present multimodal MRI study advances our understanding of the corticostriatal circuits underlying goal-directed vs. cue-driven, habitual food seeking. To this end, we employed a computerized Pavlovian-instrumental transfer paradigm. During the test phase, participants were free to perform learned instrumental responses (left and right key presses) for popcorn and Smarties outcomes. Importantly, prior to this test half of the participants had been sated on popcorn and the other half on Smarties - resulting in a reduced desirability of those outcomes...
April 26, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28416857/compositional-variability-of-nutrients-and-phytochemicals-in-corn-after-processing
#14
P S Prasanthi, N Naveena, M Vishnuvardhana Rao, K Bhaskarachary
The result of various process strategies on the nutrient and phytochemical composition of corn samples were studied. Fresh and cooked baby corn, sweet corn, dent corn and industrially processed and cooked popcorn, corn grits, corn flour and corn flakes were analysed for the determination of proximate, minerals, xanthophylls and phenolic acids content. This study revealed that the proximate composition of popcorn is high compared to the other corn products analyzed while the mineral composition of these maize products showed higher concentration of magnesium, phosphorus, potassium and low concentration of calcium, manganese, zinc, iron, copper, and sodium...
April 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28407941/screening-and-identification-of-per-and-polyfluoroalkyl-substances-in-microwave-popcorn-bags
#15
Itsaso Zabaleta, Noelia Negreira, Ekhine Bizkarguenaga, Ailette Prieto, Adrian Covaci, Olatz Zuloaga
Liquid chromatography coupled to quadrupole time-of-flight mass spectrometry (LC-QToF-MS) was used for the accurate identification (<10ppm) of different polyfluoroalkylphosphates (PAPs) and their intermediate and end degradation products in popcorn bags. Up to 46 per- and polyfluoroalkyl substances (PFASs) and precursors were identified. Moreover, an accurate method based on focused ultrasonic solid-liquid extraction (FUSLE) and a clean-up step with Envi-Carb sorbent was validated and applied to the quantification of 24 PFASs in popcorn bags from over twelve European countries, three American countries and two Asian countries...
September 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28248570/the-diacetyl-exposed-human-airway-epithelial-secretome-new-insights-into-flavoring-induced-airways-disease
#16
David M Brass, William M Gwinn, Ashlee M Valente, Francine L Kelly, Christie D Brinkley, Andrew E Nagler, M Arthur Moseley, Daniel L Morgan, Scott M Palmer, Matthew W Foster
Bronchiolitis obliterans (BO) is an increasingly important lung disease characterized by fibroproliferative airway lesions and decrements in lung function. Occupational exposure to the artificial food flavoring ingredient diacetyl, commonly used to impart a buttery flavor to microwave popcorn, has been associated with BO development. In the occupational setting, diacetyl vapor is first encountered by the airway epithelium. To better understand the effects of diacetyl vapor on the airway epithelium, we used an unbiased proteomic approach to characterize both the apical and basolateral secretomes of air-liquid interface cultures of primary human airway epithelial cells from four unique donors after exposure to an occupationally relevant concentration (∼1,100 ppm) of diacetyl vapor or phosphate-buffered saline as a control on alternating days...
June 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28198509/multivariate-approach-in-popcorn-genotypes-using-the-ward-mlm-strategy-morpho-agronomic-analysis-and-incidence-of-fusarium-spp
#17
R N F Kurosawa, A T do Amaral Junior, F H L Silva, A Dos Santos, M Vivas, S H Kamphorst, G F Pena
The multivariate analyses are useful tools to estimate the genetic variability between accessions. In the breeding programs, the Ward-Modified Location Model (MLM) multivariate method has been a powerful strategy to quantify variability using quantitative and qualitative variables simultaneously. The present study was proposed in view of the dearth of information about popcorn breeding programs under a multivariate approach using the Ward-MLM methodology. The objective of this study was thus to estimate the genetic diversity among 37 genotypes of popcorn aiming to identify divergent groups associated with morpho-agronomic traits and traits related to resistance to Fusarium spp...
February 8, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28002615/genetic-variability-affecting-exserohilum-turcicum-resistance-in-popcorn-lines-grown-under-high-and-low-phosphorus-conditions
#18
A T Amaral, R M Ribeiro, P H D Santos, T P S Poltronieri, J M S Vivas, I F S Gerhardt, B M Carvalho, C S Freitas, S B Miranda
Northern leaf blight (NLB), caused by Exserohilum turcicum, is one of the main foliar diseases that affect popcorn culture. Farmers use many control measures to minimize damage caused by this disease, among which, the use of cultivars with genetic resistance is the most effective and economical. The aim of this study was to investigate genetic variability influencing resistance to NLB in 25 popcorn maize lines grown under high and low phosphorus conditions in relation to foliar fungal disease caused by E. turcicum...
December 19, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28002606/proposal-of-a-super-trait-for-the-optimum-selection-of-popcorn-progenies-based-on-path-analysis
#19
A T do Amaral Júnior, A Dos Santos, I F S Gerhardt, R N F Kurosawa, N F Moreira, M G Pereira, G de A Gravina, F H de L Silva
A challenge faced by popcorn breeding programs is the existence of a negative correlation between the two main traits, popping expansion and yield, which hinders simultaneous gains. The objective of this study was to investigate the use of a new variable or super trait, which favors the reliable selection of superior progenies. The super trait 'expanded popcorn volume per hectare' was introduced in the evaluation of 200 full-sib families of the eighth recurrent intrapopulation selection cycle, which were arranged in randomized blocks with three replicates in two environments...
December 19, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27966763/combining-ability-of-s3-progenies-for-key-agronomic-traits-in-popcorn-comparison-of-testers-in-top-crosses
#20
COMPARATIVE STUDY
V J de Lima, A T do Amaral Junior, S H Kamphorst, G F Pena, J T Leite, K F M Schmitt, C Vittorazzi, J E de Almeida Filho, F Mora
The successful development of hybrid cultivars depends on the reliability of estimated combining ability of the parent lines. The objectives of this study were to assess the combining ability of partially inbred S3 families of popcorn derived from the open-pollinated variety UENF 14, via top-crosses with four testers, and to compare the testers for their ability to discriminate the S3 progenies. The experiment was conducted in the 2015/2016 crop season, in an incomplete-block (Lattice) design with three replications...
December 2, 2016: Genetics and Molecular Research: GMR
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