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https://www.readbyqxmd.com/read/28343000/evidence-for-similar-patterns-of-neural-activity-elicted-by-picture-and-word-based-representations-of-natural-scenes
#1
Manoj Kumar, Kara D Federmeier, Li Fei-Fei, Diane M Beck
A long-standing core question in cognitive science is whether different modalities and representation types (pictures, words, sounds, etc.) access a common store of semantic information. Although different input types have been shown to activate a shared network of brain regions, this does not necessitate that there is a common representation, as the neurons in these regions could still differentially process the different modalities. However, multi-voxel pattern analysis can be used to assess whether, e.g...
March 22, 2017: NeuroImage
https://www.readbyqxmd.com/read/28342612/can-by-products-replace-conventional-ingredients-in-concentrate-of-dairy-goat-diet
#2
M Romero-Huelva, M A Ramírez-Fenosa, R Planelles-González, P García-Casado, E Molina-Alcaide
Intensive dairy goat production in the Mediterranean basin is based on imported conventional ingredients to be included in concentrates. Fourteen Murciano-Granadina goats in the middle of the third lactation were allocated into 2 groups of 7 animals each fed, respectively, a control diet based on alfalfa hay and concentrate in a 40:60 ratio, and a diet in which the concentrate included tomato fruits, citrus pulp, brewer's grain and brewer's yeast (T100CBY) to study the effect of diet on nutrient utilization, ruminal fermentation, purine derivatives excretion in urine, milk yield and composition, and methane emissions...
March 22, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28340469/characterization-and-expression-patterns-of-key-c4-photosynthetic-pathway-genes-in-bread-wheat-triticum-aestivum-l-under-field-conditions
#3
Daoura Goudia Bachir, Iqbal Saeed, Quanhao Song, Tay Zar Linn, Liang Chen, Yin-Gang Hu
Wheat is a C3 plant with relatively low photosynthetic efficiency and is a potential target for C4 photosynthetic pathway engineering. Here we reported the characterization of four key C4 pathway genes and assessed their expression patterns and enzymatic activities at three growth stages in flag leaves of 59 bread wheat genotypes. The C4-like genes homologous to PEPC, NADP-ME, MDH, and PPDK in maize were identified in the A, B, and D sub-genomes of bread wheat, located on the long arms of chromosomes 3 and 5 (TaPEPC), short arms of chromosomes 1 and 3 (TaNADP-ME), long arms of chromosomes 1 and 7 (TaMDH), and long arms of chromosome 1 (TaPPDK), respectively...
March 9, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28340398/proteomics-analysis-of-maize-zea-mays-l-grain-based-on-itraq-reveals-molecular-mechanisms-of-poor-grain-filling-in-inferior-grains
#4
Tao Yu, Geng Li, Peng Liu, Shuting Dong, Jiwang Zhang, Bin Zhao
In maize, inferior grains (IG) located on the upper part of the ear have poor grain filling process compared to superior grains (SG) located on the middle and lower parts of the ear. This difference limits satisfactory yield and quality; however, the underlying molecular mechanisms remain unknown. Here, using the isobaric tag for relative and absolute quantification (iTRAQ) technology, the proteomes of IG and SG during early and middle grain filling stages were investigated. In total, 4720 proteins were identified in maize grain and 305 differentially accumulated proteins (DiAPs) were detected between IG and SG...
March 11, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28340278/path-analysis-and-canonical-correlations-for-indirect-selection-of-jatropha-genotypes-with-higher-oil-yield
#5
L A Silva, L A Peixoto, P E Teodoro, E V Rodrigues, B G Laviola, L L Bhering
Jatropha is a species with great potential for biodiesel production, and the knowledge on how the main agronomic traits are correlated will contribute to its improvement. Therefore, the objectives of this study were to estimate the genetic parameters of the traits: plant height at 12 and 40 months, canopy projection on the row at 12 and 40 months, canopy projection between the row at 12 and 40 months, number of branches at 40 months, grain yield, and oil yield; to verify the existence of phenotypic correlation between these traits; to verify the influence of the morphological traits on oil yield by means of path analysis; and to evaluate the relationship between the productive traits in Jatropha and the morphological traits measured at different ages...
March 22, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28340276/multivariate-diallel-analysis-allows-multiple-gains-in-segregating-populations-for-agronomic-traits-in-jatropha
#6
P E Teodoro, E V Rodrigues, L A Peixoto, L A Silva, B G Laviola, L L Bhering
Jatropha is research target worldwide aimed at large-scale oil production for biodiesel and bio-kerosene. Its production potential is among 1200 and 1500 kg/ha of oil after the 4th year. This study aimed to estimate combining ability of Jatropha genotypes by multivariate diallel analysis to select parents and crosses that allow gains in important agronomic traits. We performed crosses in diallel complete genetic design (3 x 3) arranged in blocks with five replications and three plants per plot. The following traits were evaluated: plant height, stem diameter, canopy projection between rows, canopy projection on the line, number of branches, mass of hundred grains, and grain yield...
March 22, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28340273/genetic-diversity-and-selection-of-common-bean-lines-based-on-technological-quality-and-biofortification
#7
S de M Steckling, N D Ribeiro, F D Arns, H C Mezzomo, M T D F Possobom
The development of common bean cultivars with high technological quality that are biofortified with minerals, is required to meet the demand for food with health benefits. The objectives of this study were to evaluate whether common bean genotypes differ in terms of technological and mineral biofortification traits, to study the correlations between these characters, to analyze the genetic dissimilarity of common bean genotypes, and to select superior lines for these traits. For this, 14 common bean genotypes were evaluated in experiments conducted in three growing seasons in the Rio Grande do Sul State, Brazil...
March 22, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28340272/reml-blup-and-sequential-path-analysis-in-estimating-genotypic-values-and-interrelationships-among-simple-maize-grain-yield-related-traits
#8
T Olivoto, M Nardino, I R Carvalho, D N Follmann, M Ferrari, V J Szareski, A J de Pelegrin, V Q de Souza
Methodologies using restricted maximum likelihood/best linear unbiased prediction (REML/BLUP) in combination with sequential path analysis in maize are still limited in the literature. Therefore, the aims of this study were: i) to use REML/BLUP-based procedures in order to estimate variance components, genetic parameters, and genotypic values of simple maize hybrids, and ii) to fit stepwise regressions considering genotypic values to form a path diagram with multi-order predictors and minimum multicollinearity that explains the relationships of cause and effect among grain yield-related traits...
March 22, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28340270/genetic-progress-estimation-strategy-for-upright-common-bean-plants-using-recurrent-selection
#9
L A Pereira, A F B Abreu, I C Vieira Júnior, L P M Pires, M A P Ramalho
Common bean producers in Brazil tend to grow plants as upright as possible. Because the control of this trait involves a large number of genes, recurrent selection (RS) is the best approach for successful plant improvement. Because plant architecture (PA) is evaluated using scores and usually has high heritability, RS for PA is performed through visual selection in generation S0. The aim of the present study was to evaluate selection progress and investigate whether this progress varies with the number of selected progenies or the generation evaluated...
March 22, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28340032/osptr7-osnpf8-1-a-putative-peptide-transporter-in-rice-is-involved-in-dimethylarsenate-accumulation-in-rice-grain
#10
Zhong Tang, Yi Chen, Fei Chen, Yuchen Ji, Fang-Jie Zhao
Rice (Oryza sativa) is a major dietary source of arsenic (As) for the population consuming rice as their staple food. Rice grain contains both inorganic As and methylated As species, especially dimethyarsinate (DMA). DMA is highly mobile in long-distance translocation in plants, but the underlying mechanism remains unknown. In the present study, we showed that OsPTR7 (OsNPF8.1), a putative peptide transporter in rice, was permeable to DMA in Xenopus laevis oocytes. Transient expression of the OsPTR7-green fluorescent protein (GFP) in tobacco protoplasts showed that OsPTR7 was localized in the cell plasma membrane...
March 2, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/28339846/estimation-of-whole-body-radiation-exposure-from-brachytherapy-for-oral-cancer-using-a-monte-carlo-simulation
#11
Y Ozaki, H Watanabe, A Kaida, M Miura, K Nakagawa, K Toda, R Yoshimura, Y Sumi, T Kurabayashi
Early stage oral cancer can be cured with oral brachytherapy, but whole-body radiation exposure status has not been previously studied. Recently, the International Commission on Radiological Protection Committee (ICRP) recommended the use of ICRP phantoms to estimate radiation exposure from external and internal radiation sources. In this study, we used a Monte Carlo simulation with ICRP phantoms to estimate whole-body exposure from oral brachytherapy. We used a Particle and Heavy Ion Transport code System (PHITS) to model oral brachytherapy with 192Ir hairpins and 198Au grains and to perform a Monte Carlo simulation on the ICRP adult reference computational phantoms...
February 24, 2017: Journal of Radiation Research
https://www.readbyqxmd.com/read/28339732/exploring-the-in-vivo-digestion-of-plant-proteins-in-broiler-chickens
#12
E Recoules, H Sabboh-Jourdan, A Narcy, M Lessire, G Harichaux, V Labas, M J Duclos, S Réhault-Godbert
The use of various protein sources (industry by-products, proteaginous) in poultry diets requires a greater understanding of protein digestion mechanisms. The aim of this study was to characterize the molecular actors required for protein digestion in broilers fed 4 different diets containing soybean meal, rapeseed meal, pea, or corn distiller's dried grain with solubles as the only protein source. The digesta of the digestive tract segments were collected and soluble proteins were analyzed by SDS-PAGE. SDS-PAGE analyses revealed 5 ubiquitous bands in digesta of all digestive tract segments regardless of the diet, whereas 3 bands were diet-specific...
February 23, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339688/an-activity-staining-method-on-filtration-paper-enables-high-throughput-screening-of-temperature-sensitive-and-inactive-mutations-of-rice-%C3%AE-amylase-for-improvement-of-rice-grain-quality
#13
Hiromoto Yamakawa, Rieko Hirai-Kimura, Yuriko Nakata, Masaru Nakata, Masaharu Kuroda, Takeshi Yamaguchi
α-Amylase is a starch-hydrolyzing enzyme (EC 3.2.1.1) indispensable for germination of cereal seeds, but it is also expressed during the ripening stage. Previous studies demonstrated that the enzyme is activated in developing rice seeds under extremely hot weather and triggers a loss of grain quality by hindering the accumulation of storage starch in the endosperm. Since inactive or, preferably, heat-labile α-amylases are preferable for breeding premium rice, we developed a method for rapid screening of inactive and temperature-sensitive mutants of the enzyme by combining the random mutagenesis by error-prone PCR and an on-filter activity test of the recombinant enzyme expressed by Escherichia coli...
February 21, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/28339491/the-dynamics-of-nitrogen-derived-from-a-chemical-nitrogen-fertilizer-with-treated-swine-slurry-in-paddy-soil-plant-systems
#14
Joonhee Lee, Hong L Choi
A well-managed chemical nitrogen (N) fertilization practice combined with treated swine slurry (TSS) is necessary to improve sustainability and N use efficiency in rice farming. However, little is known about the fate of N derived from chemical N fertilizer with and without TSS in paddy soil-plant systems. The objectives of this study were (1) to estimate the contribution of applied N fertilizer to N turnover in rice paddy soil with different N fertilization practices that were manipulated by the quantity of treated swine slurry and chemical N fertilizer (i...
2017: PloS One
https://www.readbyqxmd.com/read/28338945/genetic-variation-in-traits-for-nitrogen-use-efficiency-in-wheat
#15
Malcolm J Hawkesford
Crop nutrient and especially nitrogen use efficiency (NUE) is both an economically and an environmentally highly desirable trait. It has been estimated that only a third of nitrogen inputs to cereal crop worldwide are recovered in grain for consumption, resulting in a huge waste of resource with major negative impacts on the environment. Most measures of NUE in wheat and other cereals are based on field assessments of crop yields at given N inputs, performance responses to added N fertilizer, or by quantifying N fertilizer recovery rates...
March 13, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28338822/gene-expression-atlas-of-pigeonpea-and-its-application-to-gain-insights-into-genes-associated-with-pollen-fertility-implicated-in-seed-formation
#16
Lekha T Pazhamala, Shilp Purohit, Rachit K Saxena, Vanika Garg, L Krishnamurthy, Jerome Verdier, Rajeev K Varshney
Pigeonpea (Cajanus cajan) is an important grain legume of the semi-arid tropics, mainly used for its protein rich seeds. To link the genome sequence information with agronomic traits resulting from specific developmental processes, a Cajanus cajan gene expression atlas (CcGEA) was developed using the Asha genotype. Thirty tissues/organs representing developmental stages from germination to senescence were used to generate 590.84 million paired-end RNA-Seq data. The CcGEA revealed a compendium of 28 793 genes with differential, specific, spatio-temporal and constitutive expression during various stages of development in different tissues...
February 23, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28338728/characterising-root-trait-variability-in-chickpea-cicer-arietinum-l-germplasm
#17
Yinglong Chen, Michel Edmond Ghanem, Kadambot Hm Siddique
Chickpea (Cicer arietinum L.) is an important grain legume crop but its sustainable production is challenged by predicted climate changes, which are likely to increase production limitations and uncertainty in yields. Characterising the variability in root architectural traits in a core collection of chickpea germplasm will provide the basis for breeding new germplasm with suitable root traits for the efficient acquisition of soil resources and adaptation to drought and other abiotic stresses. This study used a semi-hydroponic phenotyping system for assessing root trait variability across 270 chickpea genotypes...
October 6, 2016: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28338637/using-an-active-optical-sensor-to-develop-an-optimal-ndvi-dynamic-model-for-high-yield-rice-production-yangtze-china
#18
Xiaojun Liu, Richard B Ferguson, Hengbiao Zheng, Qiang Cao, Yongchao Tian, Weixing Cao, Yan Zhu
The successful development of an optimal canopy vegetation index dynamic model for obtaining higher yield can offer a technical approach for real-time and nondestructive diagnosis of rice (Oryza sativa L) growth and nitrogen (N) nutrition status. In this study, multiple rice cultivars and N treatments of experimental plots were carried out to obtain: normalized difference vegetation index (NDVI), leaf area index (LAI), above-ground dry matter (DM), and grain yield (GY) data. The quantitative relationships between NDVI and these growth indices (e...
March 24, 2017: Sensors
https://www.readbyqxmd.com/read/28338092/high-rate-squeezing-process-of-bulk-metallic-glasses
#19
Jitang Fan
High-rate squeezing process of bulk metallic glasses from a cylinder into an intact sheet achieved by impact loading is investigated. Such a large deformation is caused by plastic flow, accompanied with geometrical confinement, shear banding/slipping, thermo softening, melting and joining. Temperature rise during the high-rate squeezing process makes a main effect. The inherent mechanisms are illustrated. Like high-pressure torsion (HPT), equal channel angular pressing (ECAP) and surface mechanical attrition treatments (SMAT) for refining grain of metals, High-Rate Squeezing (HRS), as a multiple-functions technique, not only creates a new road of processing metallic glasses and other metallic alloys for developing advanced materials, but also directs a novel technology of processing, grain refining, coating, welding and so on for treating materials...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28338053/optimal-array-of-sand-fences
#20
Izael A Lima, Ascânio D Araújo, Eric J R Parteli, José S Andrade, Hans J Herrmann
Sand fences are widely applied to prevent soil erosion by wind in areas affected by desertification. Sand fences also provide a way to reduce the emission rate of dust particles, which is triggered mainly by the impacts of wind-blown sand grains onto the soil and affects the Earth's climate. Many different types of fence have been designed and their effects on the sediment transport dynamics studied since many years. However, the search for the optimal array of fences has remained largely an empirical task...
March 24, 2017: Scientific Reports
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