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https://www.readbyqxmd.com/read/28647896/omics-based-hybrid-prediction-in-maize
#1
Matthias Westhues, Tobias A Schrag, Claas Heuer, Georg Thaller, H Friedrich Utz, Wolfgang Schipprack, Alexander Thiemann, Felix Seifert, Anita Ehret, Armin Schlereth, Mark Stitt, Zoran Nikoloski, Lothar Willmitzer, Chris C Schön, Stefan Scholten, Albrecht E Melchinger
Complementing genomic data with other "omics" predictors can increase the probability of success for predicting the best hybrid combinations using complex agronomic traits. Accurate prediction of traits with complex genetic architecture is crucial for selecting superior candidates in animal and plant breeding and for guiding decisions in personalized medicine. Whole-genome prediction has revolutionized these areas but has inherent limitations in incorporating intricate epistatic interactions. Downstream "omics" data are expected to integrate interactions within and between different biological strata and provide the opportunity to improve trait prediction...
June 24, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28647604/hydrogen-rich-water-induces-aluminum-tolerance-in-maize-seedlings-by-enhancing-antioxidant-capacities-and-nutrient-homeostasis
#2
Xueqiang Zhao, Qiuhong Chen, Yanmei Wang, Zhenguo Shen, Wenbiao Shen, Xiaoming Xu
The ameliorative effect of H2 on aluminum (Al)-induced stress remains poorly understood. We treated maize seedlings with Al and hydrogen-rich water (HRW) to determine the roles of H2 in the alleviation of Al toxicity. Our results demonstrated that Al stress triggered damage to the photosynthetic apparatus, plant growth inhibition, and reactive oxygen species (ROS) production, and boosted lipid peroxidation. However, the addition of HRW at 75% saturation markedly alleviated Al toxicity symptoms through the promotion of root elongation...
June 22, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28647234/local-pm10-and-pm2-5-emission-inventories-from-agricultural-tillage-and-harvest-in-northeastern-china
#3
Weiwei Chen, Daniel Q Tong, Shichun Zhang, Xuelei Zhang, Hongmei Zhao
Mineral particles or particulate matters (PMs) emitted during agricultural activities are major recurring sources of atmospheric aerosol loading. However, precise PM inventory from agricultural tillage and harvest in agricultural regions is challenged by infrequent local emission factor (EF) measurements. To understand PM emissions from these practices in northeastern China, we measured EFs of PM10 and PM2.5 from three field operations (i.e., tilling, planting and harvesting) in major crop production (i.e., corn and soybean), using portable real-time PM analyzers and weather station data...
July 2017: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/28647155/quantifying-trade-offs-between-future-yield-levels-food-availability-and-forest-and-woodland-conservation-in-benin
#4
Confidence Duku, Sander J Zwart, Lenny G J van Bussel, Lars Hein
Meeting the dual objectives of food security and ecosystem protection is a major challenge in sub-Saharan Africa (SSA). To this end agricultural intensification is considered desirable, yet, there remain uncertainties regarding the impact of climate change on opportunities for agricultural intensification and the adequacy of intensification options given the rapid population growth. We quantify trade-offs between levels of yield gap closure, food availability and forest and woodland conservation under different scenarios...
June 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28647123/zinc-solubilizing-bacillus-spp-potential-candidates-for-biofortification-in-maize
#5
Muhammad Zahid Mumtaz, Maqshoof Ahmad, Moazzam Jamil, Tanveer Hussain
Bioaugmentation of Zn solubilizing rhizobacteria could be a sustainable intervention to increase bioavailability of Zn in soil which can be helpful in mitigation of yield loss and malnutrition of zinc. In present study, a number of pure rhizobacterial colonies were isolated from maize rhizosphere and screened for their ability to solubilize zinc oxide. These isolates were screened on the basis of zinc and phosphate solubilization, IAA production, protease production, catalase activity and starch hydrolysis...
September 2017: Microbiological Research
https://www.readbyqxmd.com/read/28647119/in-vitro-pgpr-properties-and-osmotic-tolerance-of-different-azospirillum-native-strains-and-their-effects-on-growth-of-maize-under-drought-stress
#6
Julia E García, Guillermo Maroniche, Cecilia Creus, Ramón Suárez-Rodríguez, José Augusto Ramirez-Trujillo, María D Groppa
Osmotic variations in the soil can affect bacterial growth diminishing the number of inoculated bacteria. In a scenario of water deficit having tolerant bacteria would be beneficial to achieve a better response of the plant to stress. Thus, selection of more resistant bacteria could be useful to design new inoculants to be used in arid zones. In this sense, a group of Azospirillum isolates deposited in INTA collection was characterized in order to select strains tolerant to osmotic stress. The results obtained demonstrated that Az19 strain has similar in vitro PGPR characteristics to Az39, the most used strain in Argentina for inoculants industries, with the advantage of a better tolerance to osmotic and salt stress...
September 2017: Microbiological Research
https://www.readbyqxmd.com/read/28646738/the-effect-of-soil-properties-on-the-toxicity-and-bioaccumulation-of-ag-nanoparticles-and-ag-ions-in-enchytraeus-crypticus
#7
Emel Topuz, Cornelis A M van Gestel
Standard natural Lufa soils (2.2, 2.3 and 5M) with different organic carbon contents (0.67-1.61%) and pHCaCl2 (5.5-7.3) were spiked with ionic Ag (AgNO3) and polyvinyl pyrrolidone (AgNP-PVP) and citrate (AgNP-Cit) coated Ag nanoparticles (NPs). Enchytraeus crypticus were exposed for 21 days to assess effects on survival and reproduction. Soil, pore water and animals were analyzed for Ag. AgNP-Cit had a strong increasing effect on soil pH, leading to high enchytraeid mortality at concentrations higher than 60-100mg Ag/kg dry soil which made it impossible to determine the influence of soil properties on its toxicity...
June 21, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28646706/corn-silk-maysin-ameliorates-obesity-in-vitro-and-in-vivo-via-suppression-of-lipogenesis-differentiation-and-function-of-adipocytes
#8
Chang Won Lee, Jeong Yeon Seo, Sun-Lim Kim, Jisun Lee, Ji Won Choi, Yong Il Park
Present study was aimed to investigate the potential anti-obesity effects of maysin, a major flavonoid of corn silk, in vitro and in vivo using 3T3-L1 preadipocyte cells and C57BL/6 mice. Maysin decreased the levels of intracellular lipid droplets and triglycerides (TG), and down-regulated the protein expression levels of C/EBP-β, C/EBP-α, PPAR-γ, and aP2 in 3T3-L1 preadipocyte cells, suggesting that maysin inhibits lipid accumulation and adipocyte differentiation. In addition, maysin was shown to induce the apoptotic cell death in 3T3-L1 preadipocyte cells via activation of caspase cascades and mitochondrial dysfunction, which may ultimately lead to reduction of adipose tissue mass...
June 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28646686/eeg-spectral-analysis-as-a-putative-early-prognostic-biomarker-in-nondemented-amyloid-positive-subjects
#9
Alida A Gouw, Astrid M Alsema, Betty M Tijms, Andreas Borta, Philip Scheltens, Cornelis J Stam, Wiesje M van der Flier
We studied whether electroencephalography (EEG)-derived measures of brain oscillatory activity are related to clinical progression in nondemented, amyloid positive subjects. We included 205 nondemented amyloid positive subjects (63 subjective cognitive decline [SCD]; 142 mild cognitive impairment [MCI]) with a baseline resting-state EEG data and ≥1-year follow-up. Peak frequency and relative power of 4 frequency bands were calculated. Relationships between normalized EEG measures and time to clinical progression (conversion from SCD to MCI/dementia or from MCI to dementia) were analyzed using Cox proportional hazard models...
June 1, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28646668/%C3%AE-galactosidase-from-aspergillus-lacticoffeatus-a-promising-biocatalyst-for-the-synthesis-of-novel-prebiotics
#10
Beatriz B Cardoso, Sara C Silvério, Luís Abrunhosa, José A Teixeira, Lígia R Rodrigues
β-galactosidase (EC 3.2.1.23) are interesting enzymes able to catalyze lactose hydrolysis and transfer reactions to produce lactose-based prebiotics with potential application in the pharmaceutical and food industry. In this work, Aspergillus lacticoffeatus is described, for the first time, as an effective β-galactosidase producer. The extracellular enzyme production was evaluated in synthetic and alternative media containing cheese whey and corn steep liquor. Although β-galactosidase production occurred in all media (expect for the one composed solely by cheese whey), the highest enzymatic activity values (460U/mL) were obtained for the synthetic medium...
June 16, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28646428/effects-of-carvacrol-on-survival-mesenteric-blood-flow-aortic-function-and-multiple-organ-injury-in-a-murine-model-of-polymicrobial-sepsis
#11
Erdem Kamil Ozer, Mustafa Tugrul Goktas, Aysun Toker, Hulagu Bariskaner, Ceyhan Ugurluoglu, Alper Bektas Iskit
Carvacrol (CRV) has strong cytoprotective, antioxidant, and anti-inflammatory properties. We aimed to demonstrate the possible protective effects of CRV on survival, mesenteric artery blood flow (MBF), vascular reactivity, and oxidative and inflammatory injuries in a murine model of polymicrobial sepsis induced by cecal ligation and puncture (CLP). Wistar rats were allocated into the following four groups: Sham, CLP, Sham + CRV, and CLP + CRV. The animals were orally administered with CRV (80 mg/kg/day) or vehicle (corn oil; 1 mL/kg/day) for 7 days...
June 23, 2017: Inflammation
https://www.readbyqxmd.com/read/28646317/di-n-butyl-phthalate-prompts-interruption-of-spermatogenesis-steroidogenesis-and-fertility-associated-with-increased-testicular-oxidative-stress-in-adult-male-rats
#12
Giribabu Nelli, Sreenivasula Reddy Pamanji
Di-n-butyl phthalate (DBP) is extensively used as plasticizer, and it was ubiquitary released into the environment. The present study was aimed to investigate the effect of DBP on reproductive competence in adult male rats. Adult male rats were received corn oil or DBP injection intraperitoneally (ip) at 100 and 500 mg/kg body weight on 90, 97, 104, and 111 days. Following completion of the experimental period, adult male rats were cohabitated with untreated proestrus female rats for determination of fertilization capacity...
June 24, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28646310/effects-of-a-dark-septate-endophyte-dse-on-growth-cadmium-content-and-physiology-in-maize-under-cadmium-stress
#13
Yongmei He, Zhixin Yang, Mingrui Li, Ming Jiang, Fangdong Zhan, Yanqun Zu, Tao Li, Zhiwei Zhao
Dark septate endophytes (DSE) are widely distributed in plant roots grown in stressful habitats, especially in heavy metal-polluted soils. But little is known about the physiological interactions between DSE and plants under heavy metal stress. In the present study, the growth, Cd content, and physiological response of Zea mays L. to a root-colonized DSE, Exophiala pisciphila, were analyzed under Cd stress (0, 5, 10, 20, and 40 mg/kg) in a sand culture experiment. Under high Cd (10, 20, and 40 mg/kg) stress, the DSE colonization in roots increased the maize growth, kept more Cd in roots, and decreased Cd content in shoots...
June 23, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28646243/provitamin-a-carotenoids-from-an-engineered-high-carotenoid-maize-are-bioavailable-and-zeaxanthin-does-not-compromise-%C3%AE-carotene-absorption-in-poultry
#14
Joana Díaz-Gómez, Jose A Moreno, Eduardo Angulo, Gerhard Sandmann, Changfu Zhu, Teresa Capell, Carmina Nogareda
High-carotenoid (HC) maize, a biofortified staple crop which accumulates β-carotene, β-cryptoxanthin, lutein and zeaxanthin, was used as a feed component in a chicken feeding trial to assess the bioavailability of provitamin A (PVA) carotenoids in the kernel matrix compared to the synthetic and natural color additives routinely used in the poultry industry. We found that the PVA carotenoids in HC maize were not metabolized in the same manner: β-carotene was preferentially converted into retinol in the intestine whereas β-cryptoxanthin accumulated in the liver...
June 23, 2017: Transgenic Research
https://www.readbyqxmd.com/read/28645467/citreoviridin-induces-triglyceride-accumulation-in-hepatocytes-through-inhibiting-ppar-%C3%AE-in-vivo-and-in-vitro
#15
Chang Feng, Dandan Li, Liping Jiang, Xiaofang Liu, Qiujuan Li, Chengyan Geng, Xiance Sun, Guang Yang, Xiaofeng Yao, Min Chen
Citreoviridin (CIT) is a mycotoxin produced by Penicillum citreonigrum, Aspergillus terreus and Eupenicillium ochrosalmoneum. CIT occurs naturally in moldy rice and corn. CIT is associated with the development of atherosclerosis in the general population. Alteration in hepatic lipid metabolism is a pathogenic factor in atherosclerosis. However the effect and the underlying mechanism of CIT on hepatic lipid metabolism are largely unknown. In this study, we reported that CIT induced triglyceride accumulation in mice liver and human liver HepG2 cells as shown in oil red O staining...
June 20, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28644899/new-insights-in-dehydration-stress-behavior-of-two-maize-hybrids-using-advanced-distributed-reactivity-model-drm-responses-to-the-impact-of-24-epibrassinolide
#16
Hadi Waisi, Bojan Janković, Marija Janković, Bogdan Nikolić, Ivica Dimkić, Blažo Lalević, Vera Raičević
Proposed distributed reactivity model of dehydration for seedling parts of two various maize hybrids (ZP434, ZP704) was established. Dehydration stresses were induced thermally, which is also accompanied by response of hybrids to heat stress. It was found that an increased value of activation energy counterparts within radicle dehydration of ZP434, with a high concentration of 24-epibrassinolide (24-EBL) at elevated operating temperatures, probably causes activation of diffusion mechanisms in cutin network and may increases likelihood of formation of free volumes, large enough to accommodate diffusing molecule...
2017: PloS One
https://www.readbyqxmd.com/read/28644883/effects-of-dietary-inclusion-of-high-concentrations-of-crude-glycerin-on-meat-quality-and-fatty-acid-profile-of-feedlot-fed-nellore-bulls
#17
Eric H C B van Cleef, André P D'Áurea, Vanessa R Fávaro, Flavia O S van Cleef, Robson S Barducci, Marco T C Almeida, Otávio R Machado Neto, Jane M B Ezequiel
Crude glycerin, the main by-product of biodiesel production, can replace dietary energy sources, such as corn. The objective of this study was to evaluate the inclusion of up to 30% of crude glycerin in dry matter (DM) of the total diets, and its effects on meat quality parameters of feedlot Nellore bulls. Thirty animals (227.7 ± 23.8 kg body weight; 18 months old) were housed in individual pens and fed 5 experimental diets, containing 0, 7.5, 15, 22.5 or 30% crude glycerin (DM basis). After 103 d (21 d adaptation) animals were slaughtered and the Longissimus muscle was collected...
2017: PloS One
https://www.readbyqxmd.com/read/28644879/identification-of-a-novel-fungus-trichoderma-asperellum-gdfs1009-and-comprehensive-evaluation-of-its-biocontrol-efficacy
#18
Qiong Wu, Ruiyan Sun, Mi Ni, Jia Yu, Yaqian Li, Chuanjin Yu, Kai Dou, Jianhong Ren, Jie Chen
Due to its efficient broad-spectrum antimicrobial activity, Trichoderma has been established as an internationally recognized biocontrol fungus. In this study, we found and identified a novel strain of Trichoderma asperellum, named GDFS1009. The mycelium of T. asperellum GDFS1009 exhibits a high growth rate, high sporulation capacity, and strong inhibitory effects against pathogens that cause cucumber fusarium wilt and corn stalk rot. T. asperellum GDFS1009 secretes chitinase, glucanase, and protease, which can degrade the cell walls of fungi and contribute to mycoparasitism...
2017: PloS One
https://www.readbyqxmd.com/read/28644081/effects-of-added-lipids-on-digestibility-and-nitrogen-balance-in-oiled-common-murres-uria-aalge-and-western-grebes-aechmophorus-occidentalis-fed-four-formulations-of-a-critical-care-diet
#19
Rebecca S Duerr, Kirk C Klasing
Nutritional support is a primary therapy administered to oiled animals during responses to oil spills, but data informing nutritional decision-making during events are limited. In this study, 44 common murres ( Uria aalge ) and 6 Western grebes ( Aechmophorus occidentalis ), naturally oiled by oceanic seeps off the coast of Ventura and Santa Barbara Counties, CA, USA, were assigned to 1 of 4 groups fed diets with varying levels (6.8% [no added oil], 11%, and 20%) and types (salmon, corn) of oil added to a partially purified basal diet...
June 2017: Journal of Avian Medicine and Surgery
https://www.readbyqxmd.com/read/28643882/the-history-and-current-status-of-glyphosate
#20
Stephen O Duke
Glyphosate is the only herbicide to target the enzyme 5-enolpyruvyl-3-shikimate phosphate synthase (EPSPS). It is a high use rate, non-selective herbicide that translocates primarily to metabolic sinks, killing meristematic tissues away from the application site. Its phloem-mobile properties and slow action in killing weeds allows the herbicide to move throughout the plant to kill all meristems, making it effective for perennial weed control. Since commercialization in 1974, its use has grown to dominate the herbicide market...
June 23, 2017: Pest Management Science
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