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https://www.readbyqxmd.com/read/28934591/combining-traditional-mutagenesis-with-new-high-throughput-sequencing-and-genome-editing-to-reveal-hidden-variation-in-polyploid-wheat
#1
Cristobal Uauy, Brande B H Wulff, Jorge Dubcovsky
Induced mutations have been used to generate novel variation for breeding purposes since the early 1900s. However, the combination of this old technology with the new capabilities of high-throughput sequencing has resulted in powerful reverse genetic approaches in polyploid crops. Sequencing genomes or exomes of large mutant populations can generate extensive databases of mutations for most genes. These mutant collections, together with genome editing, are being used in polyploid species to combine mutations in all copies of a gene (homoeologs), and to expose phenotypic variation that was previously hidden by functional redundancy among homoeologs...
September 20, 2017: Annual Review of Genetics
https://www.readbyqxmd.com/read/28934007/herbicidal-activity-of-slow-release-herbicide-formulations-in-wheat-stands-infested-by-weeds
#2
Natalia Zhila, Anastasiya Murueva, Anna Shershneva, Ekaterina Shishatskaya, Tatiana Volova
The present study reports the herbicidal activity of metribuzin and tribenuron-methyl embedded in the degradable matrix of natural poly-3-hydroxybutyrate [P(3HB)/MET and P(3HB)/TBM]. The developed formulations were constructed as films and microgranules, which were tested against the weeds such as white sweet clover Melilotus albus and lamb's quarters Chenopodium album in the presence of soft spring wheat (Triticum aestivum, cv. Altaiskaya 70) as the subject crop for investigation. The activity was measured in laboratory scale experiments by determining the density and weight of the vegetative organs of weeds...
September 21, 2017: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
https://www.readbyqxmd.com/read/28933728/the-effect-of-astaxanthin-rich-microalgae-haematococcus-pluvialis-and-wholemeal-flours-incorporation-in-improving-the-physical-and-functional-properties-of-cookies
#3
A K M Mofasser Hossain, Margaret A Brennan, Susan L Mason, Xinbo Guo, Xin An Zeng, Charles S Brennan
Marine-based food supplements can improve human nutrition. In an effort to modulate glycaemic response and enhance nutritional aspects, marine-derived algal food rich in astaxanthin was used in the formulation of a model food (wholemeal cookie). Astaxanthin substitution of cookies made from three flours (wheat, barley and oat) demonstrated a significant reduction in the rate of glucose released during in vitro digestion together with an increase in the total phenolic content (TPC) and antioxidant capacity of the food...
July 26, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28932354/cardiovascular-involvement-in-celiac-disease
#4
REVIEW
Edward J Ciaccio, Suzanne K Lewis, Angelo B Biviano, Vivek Iyer, Hasan Garan, Peter H Green
Celiac disease (CD) is an autoimmune response to ingestion of gluten protein, which is found in wheat, rye, and barley grains, and results in both small intestinal manifestations, including villous atrophy, as well as systemic manifestations. The main treatment for the disease is a gluten-free diet (GFD), which typically results in the restoration of the small intestinal villi, and restoration of other affected organ systems, to their normal functioning. In an increasing number of recently published studies, there has been great interest in the occurrence of alterations in the cardiovascular system in untreated CD...
August 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28932231/addition-of-aegilops-u-and-m-chromosomes-affects-protein-and-dietary-fiber-content-of-wholemeal-wheat-flour
#5
Marianna Rakszegi, István Molnár, Alison Lovegrove, Éva Darkó, András Farkas, László Láng, Zoltán Bedő, Jaroslav Doležel, Márta Molnár-Láng, Peter Shewry
Cereal grain fiber is an important health-promoting component in the human diet. One option to improve dietary fiber content and composition in wheat is to introduce genes from its wild relatives Aegilops biuncialis and Aegilops geniculata. This study showed that the addition of chromosomes 2U(g), 4U(g), 5U(g), 7U(g), 2M(g), 5M(g), and 7M(g) of Ae. geniculata and 3U(b), 2M(b), 3M(b), and 7M(b) of Ae. biuncialis into bread wheat increased the seed protein content. Chromosomes 1U(g) and 1M(g) increased the proportion of polymeric glutenin proteins, while the addition of chromosomes 1U(b) and 6U(b) led to its decrease...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28932215/identification-characterization-and-full-length-sequence-analysis-of-a-novel-polerovirus-associated-with-wheat-leaf-yellowing-disease
#6
Peipei Zhang, Yan Liu, Wenwen Liu, Mengji Cao, Sebastien Massart, Xifeng Wang
To identify the pathogens responsible for leaf yellowing symptoms on wheat samples collected from Jinan, China, we tested for the presence of three known barley/wheat yellow dwarf viruses (BYDV-GAV, -PAV, WYDV-GPV) (most likely pathogens) using RT-PCR. A sample that tested negative for the three viruses was selected for small RNA sequencing. Twenty-five million sequences were generated, among which 5% were of viral origin. A novel polerovirus was discovered and temporarily named wheat leaf yellowing-associated virus (WLYaV)...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28931929/a-resource-of-large-scale-molecular-markers-for-monitoring-agropyron-cristatum-chromatin-introgression-in-wheat-background-based-on-transcriptome-sequences
#7
Jinpeng Zhang, Weihua Liu, Yuqing Lu, Qunxing Liu, Xinming Yang, Xiuquan Li, Lihui Li
Agropyron cristatum is a wild grass of the tribe Triticeae and serves as a gene donor for wheat improvement. However, very few markers can be used to monitor A. cristatum chromatin introgressions in wheat. Here, we reported a resource of large-scale molecular markers for tracking alien introgressions in wheat based on transcriptome sequences. By aligning A. cristatum unigenes with the Chinese Spring reference genome sequences, we designed 9602 A. cristatum expressed sequence tag-sequence-tagged site (EST-STS) markers for PCR amplification and experimental screening...
September 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28931378/diversity-distribution-of-puroindoline-genes-and-their-effect-on-kernel-hardness-in-a-diverse-panel-of-chinese-wheat-germplasm
#8
Xiaoling Ma, Muhammad Sajjad, Jing Wang, Wenlong Yang, Jiazhu Sun, Xin Li, Aimin Zhang, Dongcheng Liu
BACKGROUND: Kernel hardness, which has great influence on the end-use properties of common wheat, is mainly controlled by Puroindoline genes, Pina and Pinb. Using EcoTILLING platform, we herein investigated the allelic variations of Pina and Pinb genes and their association with the Single Kernel Characterization System (SKCS) hardness index in a diverse panel of wheat germplasm. RESULTS: The kernel hardness varied from 1.4 to 102.7, displaying a wide range of hardness index...
September 20, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28931161/probing-behavior-of-dichelops-furcatus-f-heteroptera-pentatomidae-on-wheat-plants-characterized-by-electropenetrography-epg-and-histological-studies
#9
Tiago Lucini, Antônio Ricardo Panizzi
The stink bug Dichelops furcatus (F.) (Heteroptera: Pentatomidae) has increased in abundance in recent years on the wheat, Triticum aestivum L., crop cultivated in the southern region of Brazil. To investigate the probing (stylet penetration) behaviors and nonprobing behaviors of D. furcatus on wheat plants, the electrical penetration graph or electropenetrography (EPG) technique was applied. Nine EPG waveforms (types/subtypes) were identified and described on stem and on ear head of wheat plants, as follows: Z, Np, Df1a, Df1b, Df2, Df3a, Df3b, Df4a, and Df4b...
January 1, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28930999/measuring-and-mapping-patterns-of-soil-erosion-and-deposition-related-to-soil-carbonate-concentrations-under-agricultural-management
#10
Robert H Erskine, Lucretia A Sherrod, Timothy R Green
Spatial patterns of soil erosion and deposition can be inferred from differences in ground elevation mapped at appropriate time increments. Such changes in elevation are related to changes in near-surface soil carbonate (CaCO3) profiles. The objective is to describe a simple conceptual model and detailed protocol for repeatable field and laboratory measurements of these quantities. Here, accurate elevation is measured using a ground-based differential global positioning system (GPS); other data acquisition methods could be applied to the same basic method...
September 12, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28928758/soil-biological-activity-contributing-to-phosphorus-availability-in-vertisols-under-long-term-organic-and-conventional-agricultural-management
#11
Nisar A Bhat, Amritbir Riar, Aketi Ramesh, Sanjeeda Iqbal, Mahaveer P Sharma, Sanjay K Sharma, Gurbir S Bhullar
Mobilization of unavailable phosphorus (P) to plant available P is a prerequisite to sustain crop productivity. Although most of the agricultural soils have sufficient amounts of phosphorus, low availability of native soil P remains a key limiting factor to increasing crop productivity. Solubilization and mineralization of applied and native P to plant available form is mediated through a number of biological and biochemical processes that are strongly influenced by soil carbon/organic matter, besides other biotic and abiotic factors...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28928757/development-of-a-critical-nitrogen-dilution-curve-based-on-leaf-area-duration-in-wheat
#12
Xiaolong Wang, Tianyang Ye, Syed Tahir Ata-Ul-Karim, Yan Zhu, Leilei Liu, Weixing Cao, Liang Tang
Precise quantification of plant nitrogen (N) nutrition status is essential for crop N management. The concept of critical N concentration (Nc) has been widely used for assessment of plant N status. This study aimed to develop a new winter wheat Nc dilution curve based on leaf area duration (LAD). Four field experiments were performed on different cultivars with different N fertilization modes in the Yangtze River basin and Yellow River basin in China. Results showed that the increase in LAD with increasing cumulative thermal time took the shape of an "S" type curve; whereas shoot N concentration decreased with increasing LAD, according to a power function...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28928668/re-challenge-studies-in-non-celiac-gluten-sensitivity-a-systematic-review-and-meta-analysis
#13
Elena Lionetti, Alfredo Pulvirenti, Martina Vallorani, Giulia Catassi, Anil K Verma, Simona Gatti, Carlo Catassi
Background: Non-celiac gluten sensitivity (NCGS) is a clinical entity characterized by intestinal and/or extra-intestinal symptoms related to the ingestion of gluten in individuals that are not affected by either celiac disease (CD) or wheat allergy (WA). Since we do not have specific biomarkers for NCGS, the diagnosis is based on the evidence of a clear relationship between the ingestion of gluten (re-challenge) and clinical symptoms, after a remission during the gluten-free diet (GFD). Several re-challenge studies have been published so far to evaluate the real prevalence of NCGS, reporting conflicting results...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28928518/therapeutic-evaluation-of-grain-based-functional-food-formulation-in-a-geriatric-animal-model
#14
Deepa Teradal, Neena Joshi, Ravindranath H Aladakatti
This study investigates the effect of wholesome grain based functional food formulation, on clinical and biochemical parameters in 24-30 months old Wistar albino geriatric rats, corresponding to human age 60-75 years. Animals were randomly divided into five, groups. Experimental diets were compared to the basal rat diet (Group I). Four food, formulation were-wheat based (Group II), finger millet based (Group III), wheat based, diet + fenugreek seed powder (Group IV), finger millet based diet + fenugreek powder, (Group V)...
August 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28928503/hulless-barley-as-a-promising-source-to-improve-the-nutritional-quality-of-wheat-products
#15
Sneh Narwal, Dinesh Kumar, Sonia Sheoran, R P S Verma, R K Gupta
In this study, efforts were made to utilize hulless barley (variety BHS352) to enhance the nutritive value of chapatti and biscuit made from wheat flour. Barley flour was added to wheat flour in different ratios (5 to 30%). Antioxidant activity, total phenolic content and β-glucan content were determined both in flour blends and their products. Changes in physical quality and taste of chapatti and biscuits after blending of hulless barley flour with wheat flour were measured. The chapatti quality score decreased by 15% and biscuit spread factor by 33% after 30% barley flour blending...
August 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28928302/dietary-patterns-with-special-reference-to-calcium-intake-in-2-16-year-old-urban-western-indian-children
#16
Veena H Ekbote, Anuradha V Khadilkar, Vaman V Khadilkar, Shashi A Chiplonkar, Zulf Mughal
BACKGROUND: It is important to establish good dietary practices in childhood that promote adequate calcium intake throughout life and reduce the risk of osteoporotic fractures in later life. OBJECTIVES: To assess dietary patterns of 2-16-year-old children with special reference to calcium and suggest strategies and develop recipes suitable to identified patterns to increase dietary calcium intake. METHODS: We studied 220 schoolchildren (2-16 years) around Pune city, India...
July 2017: Indian Journal of Public Health
https://www.readbyqxmd.com/read/28927834/microbial-behavior-and-changes-in-food-constituents-during-fermentation-of-japanese-sourdoughs-with-different-rye-and-wheat-starting-materials
#17
Akihito Fujimoto, Keisuke Ito, Madoka Itou, Noriko Narushima, Takayuki Ito, Akihisa Yamamoto, Satoru Hirayama, Soichi Furukawa, Yasushi Morinaga, Takahisa Miyamoto
Sourdough is a food item made by kneading grain flour and water together and allowing fermentation through the action of lactic acid bacteria (Lactobacillales) and yeast. Typically, Japanese bakeries make sourdough with rye flour, wheat flour, malt extract, and water and allow spontaneous fermentation for 6 days. We compared the microbial behavior and food components, such as organic acids, sugars, and free amino acids, of sourdoughs made using two different rye and wheat flours during the 6-day fermentation period...
September 15, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28927776/-gluten-is-the-information-available-on-the-internet-valid
#18
T Banti, L Fievet, A Fabre
BACKGROUND: Internet provides easy access to health information, but the quality and validity of this information vary. OBJECTIVES: Evaluate the quality of website structures and the information provided on celiac disease (CD), gluten sensitivity (GS), and wheat allergy (WA). MATERIALS AND METHODS: The websites addressing CD, GS, and WA appearing on the first two pages of Google, Yahoo, and Bing from seven selected queries were investigated...
September 15, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28927617/comparative-study-of-the-effect-of-starches-from-five-different-sources-on-the-rheological-properties-of-gluten-free-model-doughs
#19
Duqin Zhang, Taihua Mu, Hongnan Sun
We investigated the effect of wheat (WS), corn (CS), tapioca (TS), sweet potato (SS) and potato (PS) starches on the rheological properties of starch-hydroxypropylmethylcellulose (HPMC) model doughs. Significant differences were found among model doughs made with different starches in terms of water absorption, development time, and strength. The PS-HPMC dough presented higher maximum creep compliance, followed successively by SS-, TS-, CS-, and WS-HPMC doughs, and the same order was found for the degree of dependence of G' on frequency sweep, suggesting that the resistance to deformation depends on network structure stability...
November 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28927179/quality-of-data-in-observational-studies-separating-the-wheat-from-the-chaff
#20
Francois Schiele
No abstract text is available yet for this article.
April 1, 2017: European Heart Journal. Quality of Care & Clinical Outcomes
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