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https://www.readbyqxmd.com/read/29053643/genome-wide-identification-and-analysis-of-mapk-and-mapkk-gene-families-in-bread-wheat-triticum-aestivum-l
#1
Haoshuang Zhan, Hong Yue, Xian Zhao, Meng Wang, Weining Song, Xiaojun Nie
The mitogen-activated protein kinase (MAPK) cascade is a universal signal transduction module that plays a vital role in regulating growth and development, as well as environmental stress responses in plants. Wheat is one of the most important crops worldwide. Although the MAPK kinase kinase (MAP3K) family in wheat has been investigated, the MAPK and MAPK kinase (MAP2K) gene families remain unknown at present. Here, 54 MAPK and 18 MAPKK genes were identified in wheat using recent genomic information. Phylogenetic analysis of Triticum aestivum L...
October 20, 2017: Genes
https://www.readbyqxmd.com/read/29051665/effects-of-microwave-heating-of-wheat-on-its-functional-properties-and-accelerated-storage
#2
Chenling Qu, Hongliang Wang, Shengqiang Liu, Fangting Wang, Chang Liu
The effect of microwave heating wheat grains (700 W for 0-60 s) on gluten, farinograph, pasting properties and baking (steamed bread and biscuit) of flour was studied. The lipase (LA) and lipoxygenase (LOX) activities of the microwave-treated wheat were monitored, and the accelerated storage at 35 °C of whole wheat flour was also investigated. The results showed that the gluten, farinograph properties and viscosity were influenced to a small extent when microwave treatment time was less than or equal to 20 s and the temperature of the grains was less than or equal to 56 °C...
October 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/29051605/milling-overrides-cultivar-leavening-agent-and-baking-mode-on-chemical-and-rheological-traits-and-sensory-perception-of-durum-wheat-breads
#3
Donatella Bianca Maria Ficco, Sergio Saia, Romina Beleggia, Mariagiovanna Fragasso, Valentina Giovanniello, Pasquale De Vita
Smell and aroma are important determinants of consumer acceptance, so gaining deeper insight into bread smell and aroma perception is a research goal. Sixteen combinations of four variables were investigated, to evaluate the contributions of bread chemical and rheological properties and volatile organic compounds (VOCs) towards sensory acceptability of breads: genotypes (landrace vs. modern); types of flour (wholemeal vs. semolina); leavening agents (brewing yeast vs. sourdough starter); and baking modes (gas-fired vs...
October 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29048814/-determination-of-11-mycotoxins-in-baked-foods-and-raw-materials-by-ultra-performance-liquid-chromatography-quadrupole-electrostatic-field-orbitrap-high-resolution-mass-spectrometry
#4
Rong Li, Chunmei He, Luqi Yang, Yong Wang, Pengjie Zhang, Yongqing Gao
A method for the determination of 11 mycotoxins in baked foods and raw materials by ultra-high performance liquid chromatography-quadrupole/electrostatic field orbitrap high-resolution mass spectrometry (UPLC-HRMS) is reported in this paper. The samples were extracted with 20 mL 90% (v/v) acetonitrile aqueous solution containing 1% (v/v) formic acid, and the extracts were salted out by 2.0 g MgSO4 and 0.5 g NaCl, cleaned up by 300 mg C18. The analytes were carried out on a CORTECS C18 column (100 mm×2.1 mm, 1...
August 8, 2017: Se Pu, Chinese Journal of Chromatography
https://www.readbyqxmd.com/read/29046130/aflatoxin-b1-and-sterigmatocystin-in-wheat-and-wheat-products-from-supermarkets-in-china
#5
Yarong Zhao, Qiongshan Wang, Jianxiang Huang, Liyan Ma, Zhihui Chen, Fuhua Wang
Wheat is an important cereal but it is often contaminated with mycotoxins. The natural occurrence of aflatoxin B1 (AFB1) and sterigmatocystin (STC) was determined in 178 food samples (32 wheat samples and 146 wheat products) purchased from Chinese supermarkets. The methodology was validated, the wheat and wheat products samples were treated with a modified QuEChERS (quick, easy, cheap, effective, rugged, and safe) and quantified by liquid chromatography-tandem mass spectrometry (LC-MS/MS). From these samples 18...
October 19, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29040812/a-randomized-controlled-cross-over-study-of-appetite-related-sensations-after-consuming-snacks-made-from-buckwheat
#6
Danielle M Defries, Jay C Petkau, Terri Gregor, Heather Blewett
With the rising incidence of overweight and obesity in developed countries, there is an interest in developing food products that may aid in satiety and reduce energy intake. Buckwheat is a gluten-free edible seed that has been previously shown to induce changes in post-prandial concentrations of satiety hormones; however, subjective measures of appetite-related sensations and objective measures of energy intake at subsequent meals following buckwheat consumption have not been measured. Thirty eight healthy adults were recruited to participate in a randomized, controlled, cross-over trial with the main objective to determine if consuming snacks made from buckwheat would increase satiety and reduce energy intake compared to snacks comparable in serving size, physical characteristics, and nutrient composition...
October 17, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29040542/high-adherence-to-the-mediterranean-diet-is-associated-with-cardiovascular-protection-in-higher-but-not-in-lower-socioeconomic-groups-prospective-findings-from-the-moli-sani-study
#7
Marialaura Bonaccio, Augusto Di Castelnuovo, George Pounis, Simona Costanzo, Mariarosaria Persichillo, Chiara Cerletti, Maria Benedetta Donati, Giovanni de Gaetano, Licia Iacoviello
Background: It is uncertain whether the cardiovascular benefits associated with Mediterranean diet (MD) may differ across socioeconomic groups. Methods: Prospective analysis on 18991 men and women aged ≥35 years from the general population of the Moli-sani cohort (Italy). Adherence to MD was appraised by the Mediterranean diet score (MDS). Household income (euros/year) and educational level were used as indicators of socioeconomic status. Hazard ratios (HR) were calculated by multivariable Cox proportional hazard models...
August 1, 2017: International Journal of Epidemiology
https://www.readbyqxmd.com/read/29040508/adult-lifetime-diet-quality-and-physical-performance-in-older-age-findings-from-a-british-birth-cohort
#8
Sian M Robinson, Leo D Westbury, Rachel Cooper, Diana Kuh, Kate Ward, Holly E Syddall, Avan A Sayer, Cyrus Cooper
Background: Current evidence that links "healthier" dietary patterns to better measured physical performance is mainly from older populations; little is known about the role of earlier diet. We examined adult diet quality in relation to physical performance at age 60-64 years. Methods: Diet quality was defined using principal component analysis of dietary data collected at age 36, 43, 53, and 60-64. Throughout adulthood, diets of higher quality were characterized by higher consumption of fruit, vegetables, and wholegrain bread...
October 13, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/29038596/a-quantitative-genetic-framework-highlights-the-role-of-epistatic-effects-for-grain-yield-heterosis-in-bread-wheat
#9
Yong Jiang, Renate H Schmidt, Yusheng Zhao, Jochen C Reif
Increasing wheat yield is a key global challenge to producing sufficient food for a growing human population. Wheat grain yield can be boosted by exploiting heterosis, the superior performance of hybrids compared with midparents. Here we present a tailored quantitative genetic framework to study the genetic basis of midparent heterosis in hybrid populations derived from crosses among diverse parents. We applied this framework to an extensive data set assembled for winter wheat. Grain yield was assessed for 1,604 hybrids and their 135 parental elite breeding lines in 11 environments...
October 16, 2017: Nature Genetics
https://www.readbyqxmd.com/read/29038146/use-of-metabolomics-in-improving-assessment-of-dietary-intake
#10
REVIEW
Marta Guasch-Ferré, Shilpa N Bhupathiraju, Frank B Hu
BACKGROUND: Nutritional metabolomics is rapidly evolving to integrate nutrition with complex metabolomics data to discover new biomarkers of nutritional exposure and status. CONTENT: The purpose of this review is to provide a broad overview of the measurement techniques, study designs, and statistical approaches used in nutrition metabolomics, as well as to describe the current knowledge from epidemiologic studies identifying metabolite profiles associated with the intake of individual nutrients, foods, and dietary patterns...
October 16, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/29037707/predominant-yeasts-in-chinese-traditional-sourdough-and-their-influence-on-aroma-formation-in-chinese-steamed-bread
#11
Tongjie Liu, Yang Li, Faizan A Sadiq, Huanyi Yang, Jingsi Gu, Lei Yuan, Yuan Kun Lee, Guoqing He
A total of 105 yeast isolates was obtained from 15 sourdough samples collected from different regions in China and subjected to random amplified polymorphic DNA (RAPD) analysis. Six species were identified including Pichia membranifaciens, which has not previously been reported in Chinese sourdoughs. Different species of yeast were used in single-culture fermentation to make Chinese steamed bread (CSB). The volatiles of the CSB were captured by solid-phase microextraction method, separated and identified by gas chromatography-mass spectrometry...
March 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29037673/effect-of-epigallocatechin-gallate-egcg-extracted-from-green-tea-in-reducing-the-formation-of-acrylamide-during-the-bread-baking-process
#12
Zhengjie Fu, Michelle J Y Yoo, Weibiao Zhou, Lei Zhang, Yutao Chen, Jun Lu
This is the first study to investigate the extent of reduction in acrylamide formation during baking with the addition of (-)-epigallocatechin gallate (EGCG) extracted from green tea, and to determine whether EGCG influences the texture and colour attributes of bread, or interacts with other ingredients. EGCG powders were added to white bread formulations at the concentrations of 3.3, 6.6 and 9.9g·kg(-1). The amount of acrylamide in the bread was analysed using liquid chromatography-mass spectrometry. EGCG addition significantly reduced the acrylamide formation by 37% compared to the control and decreased the moisture content of the bread by 6%...
March 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29037166/taflo2-a1-an-ortholog-of-rice-flo2-is-associated-with-thousand-grain-weight-in-bread-wheat-triticum-aestivum-l
#13
Muhammad Sajjad, Xiaoling Ma, Sultan Habibullah Khan, Muhammad Shoaib, Yanhong Song, Wenlong Yang, Aimin Zhang, Dongcheng Liu
BACKGROUND: The Flo2 gene is a member of a conserved gene family in plants. This gene has been found to be related to thousand grain weight (TGW) in rice. Its orthologs in hexaploid wheat were cloned, and the haplotype variation in TaFlo2-A1 was tested for association with TGW. RESULTS: The cloned sequences of TaFlo2-A1, TaFlo2-B1 and TaFlo2-D1 contained 23, 23 and 24 exons, respectively. The deduced proteins of TaFlo2-A1 (1734 aa), TaFlo2-B1 (1698 aa) and TaFlo2-D1 (1682 aa) were highly similar (>94%) and exhibited >77% similarity with the rice FLO2 protein...
October 16, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29036177/dietary-patterns-in-internal-migrants-in-a-continental-country-a-population-based-study
#14
Antonio Augusto Ferreira Carioca, Bartira Gorgulho, Juliana Araujo Teixeira, Regina Mara Fisberg, Dirce Maria Marchioni
OBJECTIVE: The objective of this study was to assess the differences and similarities in dietary patterns among migrants and natives. METHODS: A population-based, cross-sectional study was conducted in the city of São Paulo. The study population included internal migrants, defined as individuals born outside São Paulo city who had lived in the city for ten years or longer. The final population (n = 999) was divided into three groups: natives of São Paulo (n = 354), migrants from the Southeast (n = 349) and migrants from the Northeast (n = 296)...
2017: PloS One
https://www.readbyqxmd.com/read/29032464/nutritional-composition-of-honey-bee-food-stores-vary-with-floral-composition
#15
Philip Donkersley, Glenn Rhodes, Roger W Pickup, Kevin C Jones, Eileen F Power, Geraldine A Wright, Kenneth Wilson
Sufficiently diverse and abundant resources are essential for generalist consumers, and form an important part of a suite of conservation strategies for pollinators. Honey bees are generalist foragers and are dependent on diverse forage to adequately meet their nutritional needs. Through analysis of stored pollen (bee bread) samples obtained from 26 honey bee (Apis mellifera L.) hives across NW-England, we quantified bee bread nutritional content and the plant species that produced these stores from pollen...
October 14, 2017: Oecologia
https://www.readbyqxmd.com/read/29029590/nutritional-physiology-and-ecology-of-honey-bees
#16
Geraldine A Wright, Susan W Nicolson, Sharoni Shafir
Honey bees feed on floral nectar and pollen that they store in their colonies as honey and bee bread. Social division of labor enables the collection of stores of food that are consumed by within-hive bees that convert stored pollen and honey into royal jelly. Royal jelly and other glandular secretions are the primary food of growing larvae and of the queen but are also fed to other colony members. Research clearly shows that bees regulate their intake, like other animals, around specific proportions of macronutrients...
October 13, 2017: Annual Review of Entomology
https://www.readbyqxmd.com/read/29026538/plasma-and-cerebrospinal-fluid-interleukin-1%C3%AE-during-lipopolysaccharide-induced-systemic-inflammation-in-ewes-implanted-or-not-with-slow-release-melatonin
#17
Janina Skipor, Marta Kowalewska, Aleksandra Szczepkowska, Anna Majewska, Tomasz Misztal, Marek Jalynski, Andrzej P Herman, Katarzyna Zabek
BACKGROUND: Interleukin-1β (IL-1β) is important mediator of inflammatory-induced suppression of reproductive axis at the hypothalamic level. At the beginning of inflammation, the main source of cytokines in the cerebrospinal fluid (CSF) is peripheral circulation, while over time, cytokines produced in the brain are more important. Melatonin has been shown to decrease pro-inflammatory cytokines concentration in the brain. In ewes, melatonin is used to advance the onset of a breading season...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/29021581/molecular-identification-of-the-wheat-male-fertility-gene-ms1-and-its-prospects-for-hybrid-breeding
#18
Elise J Tucker, Ute Baumann, Allan Kouidri, Radoslaw Suchecki, Mathieu Baes, Melissa Garcia, Takashi Okada, Chongmei Dong, Yongzhong Wu, Ajay Sandhu, Manjit Singh, Peter Langridge, Petra Wolters, Marc C Albertsen, A Mark Cigan, Ryan Whitford
The current rate of yield gain in crops is insufficient to meet the predicted demands. Capturing the yield boost from heterosis is one of the few technologies that offers rapid gain. Hybrids are widely used for cereals, maize and rice, but it has been a challenge to develop a viable hybrid system for bread wheat due to the wheat genome complexity, which is both large and hexaploid. Wheat is our most widely grown crop providing 20% of the calories for humans. Here, we describe the identification of Ms1, a gene proposed for use in large-scale, low-cost production of male-sterile (ms) female lines necessary for hybrid wheat seed production...
October 11, 2017: Nature Communications
https://www.readbyqxmd.com/read/29021286/pomegranate-juice-but-not-an-extract-confers-a-lower-glycemic-response-on-a-high-glycemic-index-food-randomized-crossover-controlled-trials-in-healthy-subjects
#19
Asimina Kerimi, Hilda Nyambe-Silavwe, Julia S Gauer, Francisco A Tomás-Barberán, Gary Williamson
Background: Low-glycemic index diets have demonstrated health benefits associated with a reduced risk of developing type 2 diabetes.Objectives: We tested whether pomegranate polyphenols could lower the glycemic response of a high-glycemic index food when consumed together and the mechanism by which this might occur.Design: We compared the acute effect of a pomegranate juice and a polyphenol-rich extract from pomegranate (supplement) on the bread-derived postprandial blood glucose concentration in 2 randomized, crossover, controlled studies (double-blinded for the supplements), each on 16 healthy volunteers...
October 11, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29020946/the-transcriptome-of-the-developing-grain-a-resource-for-understanding-seed-development-and-the-molecular-control-of-the-functional-and-nutritional-properties-of-wheat
#20
Parimalan Rangan, Agnelo Furtado, Robert J Henry
BACKGROUND: Wheat is one of the three major cereals that have been domesticated to feed human populations. The composition of the wheat grain determines the functional properties of wheat including milling efficiency, bread making, and nutritional value. Transcriptome analysis of the developing wheat grain provides key insights into the molecular basis for grain development and quality. RESULTS: The transcriptome of 35 genotypes was analysed by RNA-Seq at two development stages (14 and 30 days-post-anthesis, dpa) corresponding to the mid stage of development (stage Z75) and the almost mature seed (stage Z85)...
October 11, 2017: BMC Genomics
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