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https://www.readbyqxmd.com/read/28927013/transcription-factors-responding-to-pb-stress-in-maize
#1
Yanling Zhang, Fei Ge, Fengxia Hou, Wenting Sun, Qi Zheng, Xiaoxiang Zhang, Langlang Ma, Jun Fu, Xiujing He, Huanwei Peng, Guangtang Pan, Yaou Shen
Pb can damage the physiological function of human organs by entering the human body via food-chain enrichment. Revealing the mechanisms of maize tolerance to Pb is critical for preventing this. In this study, a Pb-tolerant maize inbred line, 178, was used to analyse transcription factors (TFs) expressed under Pb stress based on RNA sequencing data. A total of 464 genes expressed in control check (CK) or Pb treatment samples were annotated as TFs. Among them, 262 differentially expressed transcription factors (DETs) were identified that responded to Pb treatment...
September 18, 2017: Genes
https://www.readbyqxmd.com/read/28926824/effectiveness-of-different-corn-dried-distillers-grains-with-solubles-feeding-strategies-and-increasing-the-time-intervals-between-the-second-improvest-dose-and-slaughter-of-immunologically-castrated-pigs-on-belly-and-pork-fat-quality
#2
E K Harris, M A Mellencamp, L J Johnston, R B Cox, G C Shurson
Effects of dried distillers grains with solubles (DDGS) feeding strategies (a corn-soybean meal (CS) fed continously; CS+40% DDGS fed continously; CS+40, 30, 20, or 10% DDGS in 4 phases, respectively; or CS+40% DDGS in phases 1 to 3 and CS in phase 4 before slaughter) on belly and pork fat quality of immunologically castrated (n=192) pigs were evaluated. All pigs received the first Improvest dose at 11week of age, and the second dose at 9, 7, or 5week before slaughter at 24week of age. Increasing the time interval of the second Improvest dose before slaughter reduced IV in all fat depots and increased belly thickness...
September 9, 2017: Meat Science
https://www.readbyqxmd.com/read/28926698/quantification-of-lignin-and-its-structural-features-in-plant-biomass-using-13-c-lignin-as-internal-standard-for-pyrolysis-gc-sim-ms
#3
Gijs van Erven, Ries de Visser, Donny W H Merkx, Willem Strolenberg, Peter De Gijsel, Harry Gruppen, Mirjam A Kabel
Understanding mechanisms underlying plant biomass recalcitrance at molecular level can only be achieved by accurate analyses of both content and structural features of the molecules involved. Current quantification of lignin is, however, majorly based on unspecific gravimetric analysis after sulphuric acid hydrolysis. Hence, our research aimed at specific lignin quantification with concurrent characterization of its structural features. Hereto, for the first time, a polymeric (13)C lignin was used as internal standard (IS) for lignin quantification via analytical pyrolysis coupled to gas chromatography with mass-spectrometric detection in selected ion monitoring mode (py-GC-SIM-MS)...
September 19, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28925554/monitoring-of-sesamia-nonagrioides-resistance-to-mon%C3%A2-810-maize-in-the-european-union-lessons-from-a-long-term-harmonized-plan
#4
Gema P Farinós, Pedro Hernández-Crespo, Félix Ortego, Pedro Castañera
BACKGROUND: MON 810 maize, which expresses the insecticidal protein Cry1Ab, is a highly effective method to control Sesamia nonagrioides (Lefèbvre), a key maize pest in Mediterranean countries. Monitoring programs to assess the potential development of resistance of target pests to Bt maize are mandatory in the European Union (EU). Here we report the results of the S. nonagrioides resistance monitoring plan implemented for MON 810 maize in the EU between 2004-2015 and reassess the different components of this long-term harmonized plan...
September 19, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28925339/improving-the-artificial-diet-for-adult-of-seven-spotted-ladybird-beetle-coccinella-septempunctata-l-coleoptera-coccinellidae-with-orthogonal-design
#5
Y Cheng, J R Zhi, F L Li, W H Li, Y H Zhou
In this study, an orthogonal array design with 16 factors at two levels (216) was performed to develop an artificial diet rearing the adults of seven spotted ladybird beetle Coccinella septempunctata. The parameters of weight gain and survival rate of adults, preoviposition period, fecundity and hatching rate of diet-fed adults were monitored. The 16 factors were included: pork liver, infant formula, sucrose, olive oil, yolk, corn oil, yeast powder, cholesterol, casein, casein hydrolysate, vitamin powder, 65% juvenile hormone III, protein powder, vitamin E, honey and pumpkin...
September 19, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28925143/-exploration-of-rapidly-determining-quality-of-traditional-chinese-medicines-by-nir-spectroscopy-based-on-internet-sharing-mode
#6
Li-Jun Ni, Shao-Rong Luan, Li-Guo Zhang
Because of the numerous varieties of herbal species and active ingredients in the traditional Chinese medicine(TCM),the traditional methods employed could hardly satisfy the current determination requirements of TCM.The present work proposed an idea to realize rapid determination of the quality of TCM based on near infrared(NIR)spectroscopy and internet sharing mode. Low cost and portable multi-source composite spectrometer was invented by our group for in-site fast measurement of spectra of TCM samples. The database could be set up by sharing spectra and quality detection data of TCM samples among TCM enterprises based on the internet platform...
October 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28925083/selective-knockout-of-astrocytic-na-h-exchanger-isoform-1-reduces-astrogliosis-bbb-damage-infarction-and-improves-neurological-function-after-ischemic-stroke
#7
Gulnaz Begum, Shanshan Song, Shaoxia Wang, Hanshu Zhao, Mohammad Iqbal H Bhuiyan, Eric Li, Rachel Nepomuceno, Qing Ye, Ming Sun, Michael Joseph Calderon, Donna B Stolz, Claudette St Croix, Simon C Watkins, Yinhuai Chen, Pingnian He, Gary E Shull, Dandan Sun
Stimulation of Na(+) /H(+) exchanger isoform 1 (NHE1) in astrocytes causes ionic dysregulation under ischemic conditions. In this study, we created a Nhe1(flox/flox) (Nhe1(f/f) ) mouse line with exon 5 of Nhe1 flanked with two loxP sites and selective ablation of Nhe1 in astrocytes was achieved by crossing Nhe1(f/f) mice with Gfap-Cre(ERT2) Cre-recombinase mice. Gfap-Cre(ERT2+/-) ;Nhe1(f/f) mice at postnatal day 60-90 were treated with either corn oil or tamoxifen (Tam, 75 mg/kg/day, i.p.) for 5 days. After 30 days post-injection, mice underwent transient middle cerebral artery occlusion (tMCAO) to induce ischemic stroke...
September 19, 2017: Glia
https://www.readbyqxmd.com/read/28924453/a-novel-and-efficient-fungal-delignification-strategy-based-on-versatile-peroxidase-for-lignocellulose-bioconversion
#8
Wen Kong, Xiao Fu, Lei Wang, Ahmad Alhujaily, Jingli Zhang, Fuying Ma, Xiaoyu Zhang, Hongbo Yu
BACKGROUND: The selective lignin-degrading white-rot fungi are regarded to be the best lignin degraders and have been widely used for reducing the saccharification recalcitrance of lignocellulose. However, the biological delignification and conversion of lignocellulose in biorefinery is still limited. It is necessary to develop novel and more efficient bio-delignification systems. RESULTS: Physisporinus vitreus relies on a new versatile peroxidase (VP)-based delignification strategy to remove enzymatic recalcitrance of corn stover efficiently, so that saccharification of corn stover was significantly enhanced to 349...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28923942/identification-of-sialic-acid-binding-function-for-the-middle-east-respiratory-syndrome-coronavirus-spike-glycoprotein
#9
Wentao Li, Ruben J G Hulswit, Ivy Widjaja, V Stalin Raj, Ryan McBride, Wenjie Peng, W Widagdo, M Alejandra Tortorici, Brenda van Dieren, Yifei Lang, Jan W M van Lent, James C Paulson, Cornelis A M de Haan, Raoul J de Groot, Frank J M van Kuppeveld, Bart L Haagmans, Berend-Jan Bosch
Middle East respiratory syndrome coronavirus (MERS-CoV) targets the epithelial cells of the respiratory tract both in humans and in its natural host, the dromedary camel. Virion attachment to host cells is mediated by 20-nm-long homotrimers of spike envelope protein S. The N-terminal subunit of each S protomer, called S1, folds into four distinct domains designated S1(A) through S1(D) Binding of MERS-CoV to the cell surface entry receptor dipeptidyl peptidase 4 (DPP4) occurs via S1(B) We now demonstrate that in addition to DPP4, MERS-CoV binds to sialic acid (Sia)...
September 18, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28923675/respiratory-infections-due-to-nontuberculous-mycobacterias
#10
REVIEW
Luis Máiz Carro, Esther Barbero Herranz, Rosa Nieto Royo
The most common infections caused by nontuberculous mycobacteria (NTM) are lung infections. The microorganisms causing these infections most frequently are Mycobacterium avium complex, Mycobacterium kansasii and Mycobacterium abscessus complex. Their incidence has increased in the last three decades. After identifying an NTM in the respiratory tract, clinical and radiological aspects must be considered to determine if isolations are clinically relevant. Predisposing conditions that could contribute to infection must also be investigated...
September 15, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28922803/micropredator-niche-differentiation-between-bulk-soil-and-rhizosphere-of-an-agricultural-soil-depends-on-bacterial-prey
#11
Lu Zhang, Tillmann Lueders
Predation is a fundamental mechanism of all food webs, but its drivers and organismic connectivities, especially at microbial level, are still poorly understood. Specifically, competitive carbon flows in the presence of multiple micropredators, as well as trophic links within and between microbial kingdoms have rarely been resolved. Here, using maize-planted agricultural soil as a model system, we have investigated the predation of amended bacterial prey by both prokaryotic and eukaryotic micropredators. We have queried how soil compartment (rhizosphere vs bulk soil) and nature of prey (Gram-positive vs Gram-negative) influence predation outcomes...
September 1, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28922787/optimal-duration-of-extended-adjuvant-endocrine-therapy-for-early-breast-cancer-results-of-the-ideal-trial-boog-2006-05
#12
Erik J Blok, Judith R Kroep, Elma Meershoek-Klein Kranenbarg, Marjolijn Duijm-de Carpentier, Hein Putter, Joan van den Bosch, Eduard Maartense, A Elise van Leeuwen-Stok, Gerrit-Jan Liefers, Johan W R Nortier, Emiel J Th Rutgers, Cornelis J H van de Velde
Background: The optimal duration of extended endocrine therapy beyond five years after initial aromatase inhibitor-based adjuvant therapy for postmenopausal women with hormone receptor-positive breast cancer is still unknown. Therefore, we conducted a clinical trial to compare two different extended endocrine therapy durations. Methods: In the randomized phase III IDEAL trial, postmenopausal patients with hormone receptor-positive breast cancer were randomly allocated to either 2...
January 1, 2018: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28922752/current-understanding-of-the-pathways-of-flavonoid-biosynthesis-in-model-and-crop-plants
#13
Takayuki Tohge, Leonardo Perez de Souza, Alisdair R Fernie
Flavonoids are a signature class of secondary metabolites formed from a relatively simple collection of scaffolds. They are extensively decorated by chemical reactions including glycosylation, methylation, and acylation. They are present in a wide variety of fruits and vegetables and as such in Western populations it is estimated that 20-50 mg of flavonoids are consumed daily per person. In planta they have demonstrated to contribute to both flower color and UV protection. Their consumption has been suggested to presenta wide range of health benefits...
July 10, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28922744/sugar-transporters-in-plants-new-insights-and-discoveries
#14
Benjamin T Julius, Kristen A Leach, Thu M Tran, Rachel A Mertz, David M Braun
Carbohydrate partitioning is the process of carbon assimilation and distribution from source tissues, such as leaves, to sink tissues, such as stems, roots and seeds. Sucrose, the primary carbohydrate transported long distance in many plant species, is loaded into the phloem and unloaded into distal sink tissues. However, many factors, both genetic and environmental, influence sucrose metabolism and transport. Therefore, understanding the function and regulation of sugar transporters and sucrose metabolic enzymes is key to improving agriculture...
September 1, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/28922554/performance-comparison-of-dispersive-solid-phase-extraction-and-multiplug-filtration-cleanup-methods-for-the-determination-of-tefuryltrione-in-plant-and-environmental-samples-using-uhplc-ms-ms
#15
Yang Yu, Yan Tao, Fengshou Dong, Jun Xu, Xingang Liu, Xiaohu Wu, Mingshan Ji, Yongquan Zheng
The detection frequencies of tefuryltrione, a new type of 4-hydroxyphenyl-pyruvate dioxygenase inhibitor herbicide, are rarely reported, probably because of the paucity of analytical methods. Herein, an effective and sensitive analytical method has been developed to detect tefuryltrione in vegetables (tomato and cucumber), cereals (rice and corn), soil and water by ultra high performance liquid chromatography coupled with tandem mass spectrometry. Comparisons of the performances of dispersive solid-phase extraction and multiplug filtration cleanup methods were carried out for tefuryltrione in complex matrices...
September 18, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28922262/sugar-in-infants-children-and-adolescents-a-position-paper-of-the-european-society-for-paediatric-gastroenterology-hepatology-and-nutrition-committee-on-nutrition
#16
Nataša Fidler Mis, Christian Braegger, Jiri Bronsky, Cristina Campoy, Magnus Domellöf, Nicholas D Embleton, Iva Hojsak, Jessie Hulst, Flavia Indrio, Alexandre Lapillonne, Walter Mihatsch, Christian Molgaard, Rakesh Vora, Mary Fewtrell
The consumption of sugars, particularly sugar-sweetened beverages (SSBs; beverages or drinks that contain added caloric sweeteners (i.e. sucrose, high-fructose corn syrup, fruit-juice concentrates), in European children and adolescents exceeds current recommendations. This is of concern because there is no nutritional requirement for free sugars, and infants have an innate preference for sweet taste, which may be modified and reinforced by pre- and postnatal exposures. Sugar containing beverages/free sugars increase the risk for overweight/obesity and dental caries, can result in poor nutrient supply and reduced dietary diversity and may be associated with increased risk of type 2 diabetes mellitus, cardiovascular risk, and other health effects...
September 16, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28921917/changes-on-the-pancreas-in-experimental-diabetes-and-the-effect-of-lycopene-on-these-changes-pdx-1-ngn-3-and-nestin-expressions
#17
Mustafa Sandıkcı, Levent Karagenc, Mustafa Yıldız
The aim of the present study was to investigate changes occurring in the number of beta cells, as well as the expressions of Ngn-3, nestin and Pdx-1 of pancreatic progenitor cells in the pancreas of experimentally-induced adult diabetic rats and to determine the effect of orally-administered lycopene on these changes. Following the administration of 50 mg/kg streptozotocin to rats, four groups of animals were established: control+corn oil, control+lycopene, diabetic+corn oil and diabetic+lycopene. The animals in the control+lycopene and diabetic+lycopene groups received 4 mg/kg lycopene for a period of four weeks...
September 16, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28921808/long-term-agricultural-management-does-not-alter-the-evolution-of-a-soybean-rhizobium-mutualism
#18
Jennifer E Schmidt, Dylan J Weese, Jennifer A Lau
Leguminous crops, like soybeans, often rely on biologically fixed nitrogen via their symbiosis with rhizobia rather than synthetic nitrogen inputs. However, agricultural management practices may influence the effectiveness of biological nitrogen fixation. While the ecological effects of agricultural management on rhizobia have received some attention, the evolutionary effects have been neglected in comparison. Resource mutualism theory predicts that evolutionary effects are likely, however. Both fertilization and tillage are predicted to cause the evolution of rhizobia that provide fewer growth benefits to plant hosts and fix less nitrogen...
September 16, 2017: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/28920500/acute-toxicity-of-the-bowel-after-stereotactic-robotic-radiotherapy-for-abdominopelvic-oligometastases
#19
Michael Frelinghuysen, Wilco Schillemans, Lieke Hol, Cornelis Verhoef, Mischa Hoogeman, Joost Jan Nuyttens
AIM: To correlate dose-volume histogram (DVH) parameters with appearance of grade ≥2 acute and late gastrointestinal toxicity of stereotactic body radiotherapy (SBRT) in patients with abdominopelvic solitary or oligometastatic disease outside the liver. MATERIAL AND METHODS: Acute and late bowel toxicity of 84 abdominopelvic oligometastatic patients was registered. A logistic regression was performed between different DVH parameters and presence of grade ≥2 acute and late toxicity...
September 18, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28920415/effects-of-pig-breed-on-nutrient-and-amino-acid-digestibility-in-diets-with-different-fiber-sources
#20
Jinbiao Zhao, Qiuyun Wang, Ling Liu, Yiqiang Chen, Aiming Jin, Guoliang Liu, Kaizhen Li, Defa Li, Changhua Lai
Objective: This experiment was conducted to determine the differences in the apparent ileal (AID) and total tract digestibility (ATTD) of nutrient and indispensable amino acid (IAA) in high-fiber diets with wheat middlings, rice bran or alfalfa meal fed to Duroc x Landrace x Yorkshire (DLY) and Duroc x Berkshire x Jiaxing (DBJ) growing pigs. Methods: Eighteen DLY and 18 DBJ pigs were randomly allotted to a 2 x 3 factorial arrangement involving 2 pig breeds and 3 high-fiber diets...
September 18, 2017: Asian-Australasian Journal of Animal Sciences
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