PubMed Journals Articles About "Vitamin Maize Could Lead More Nutritious Crop" RSS

14:18 EST 11th December 2018 | BioPortfolio

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Showing "Vitamin Maize Could Lead More Nutritious Crop" PubMed Articles 1–25 of 7,400+

β-Cryptoxanthin and zeaxanthin are highly bioavailable from whole-grain and refined biofortified orange maize in humans with optimal vitamin A status: a randomized, crossover, placebo-controlled trial.

Biofortification of staple crops with β-carotene is a strategy to reduce vitamin A deficiency, and several varieties are available in some African countries. β-Cryptoxanthin (BCX)-enhanced maize is currently in field trials. To our knowledge, maize BCX bioavailability has not been assessed in humans. Serum retinol 13C content and xanthophyll concentrations are proposed effectiveness biomarkers for biofortified maize adoption.

DeepSort: deep convolutional networks for sorting haploid maize seeds.

Maize is a leading crop in the modern agricultural industry that accounts for more than 40% grain production worldwide. THe double haploid technique that uses fewer breeding generations for generating a maize line has accelerated the pace of development of superior commercial seed varieties and has been transforming the agricultural industry. In this technique the chromosomes of the haploid seeds are doubled and taken forward in the process while the diploids marked for elimination. Traditionally, selective...

The combination of compost or biochar with urea and NBPT can improve nitrogen-use efficiency in maize.

The addition of organic residues to agricultural soils has been used as a practical alternative to improve crop quality and health. The objective of this work was to evaluate maize physiological and nutritional responses to the application of compost and biochar combined with urea (N) and N-(n-butyl) thiophosphoric triamide (NBPT). The experiment was performed in plastic pots with 3 kg of soil under greenhouse conditions for 30 days. The compost and biochar were applied at the rate of 0.3 ton ha-1, using an...

Genome-wide analysis of the MYB-CC gene family of maize.

The MYB-CC gene family encode proteins that harbor a combination of characteristic myeloblastosis (MYB) and coiled-coil (CC) domain structures. Some MYB-CC genes have been demonstrated to represent transcription factors regulating phosphate uptake and controlling the starvation response in plants. Despite their physiological importance, a systematic analysis of MYB-CC genes has not been reported in maize. In our study, we identified and characterized maize MYB-CC genes at whole-genome level. A total of 12 m...

Bio-priming mitigates detrimental effects of salinity on maize improving antioxidant defense and preserving photosynthetic efficiency.

Salinity is an abiotic stress which seriously affects crop production over the world, particularly in arid and semi-arid regions, with harmful effects on germination, growth and yield. Maize (Zea mays L.), cultivated in a wide spectrum of soil and climatic conditions, is the third most important cereal crop after rice and wheat, moderately sensitive to salt stress. A saline level more than 250 mM NaCl damages maize plants, causing severe wilting. In this study, the effects of hydro-priming (distilled wate...

Advancing Agrobacterium-Based Crop Transformation and Genome Modification Technology for Agricultural Biotechnology.

The last decade has seen significant strides in Agrobacterium-mediated plant transformation technology. This has not only expanded the number of crop species that can be transformed by Agrobacterium, but has also made it possible to routinely transform several recalcitrant crop species including cereals (e.g., maize, sorghum, and wheat). However, the technology is limited by the random nature of DNA insertions, genotype dependency, low frequency of quality events, and variation in gene expression arising fr...

Effect of Organic Manure Substitution of Synthetic Nitrogen on Crop Yield and NO Emission in the Winter Wheat-Summer Maize Rotation System.

Controlling agricultural greenhouse gas emissions, such as NO, is important in mitigating global climate warming. Through monitoring the dynamics of NO emission fluxes, we investigated the effect of organic nitrogen (N) substitution of synthetic N on NO emissions and the yield of winter wheat and summer maize in the Guanzhong Plain of Shaanxi Province, China. The study involved six treatments, consisting of no fertilizer (CK), synthetic N, phosphorus (P), and potassium (K) fertilizers alone (NPK), 75% NPK+2...

High-throughput micro-phenotyping measurements applied to assess stalk lodging in maize (Zea mays L.).

The biomechanical properties of maize stalks largely determine their lodging resistance, which affects crop yield per unit area. However, the quantitative and qualitative relationship between micro-phenotypes and the biomechanics of maize stalks is still under examined. In particular, the roles of the number, geometry, and distribution of vascular bundles of stalks in maize lodging resistance remain unclear. Research on these biomechanical properties will benefit from high-resolution micro-phenotypic image ...

Vitamin E status and its determinants in patients with cystic fibrosis.

The risk of vitamin E deficiency is of primary concern in cystic fibrosis patients. However, early diagnosis and routine vitamin E supplementation can lead to its normal or even high levels. In the present study, we assessed vitamin E status in a large group of cystic fibrosis patients. Moreover, we also aimed to establish determinants of its body resources in cystic fibrosis patients.

Vitamin D supplementation improves testicular function in diabetic rats via PPAR-γ/TGF- β1/NF-κB.

Vitamin D deficiency can lead to male hypogonadism in diabetes mellitus,but the target organs and the mechanism driving the disorder are unclear. This experiment was designed to study the relationship between vitamin D deficiency and hypogonadism in diabetes mellitus.

Vitamin D status in adult patients with nonmelanoma skin cancer in Cape Town, South Africa: a cross-sectional study.

Ultraviolet (UV) radiation is the most important environmental risk factor for the development of nonmelanoma skin cancer (NMSC). UV radiation is, however, also vital in the formation of vitamin D in humans. Strict sun protection advised to skin cancer patients may lead to vitamin D deficiency, yet vitamin D may have a protective effect against cancer formation.

Comparative analysis of the male inflorescence transcriptome profiles of an ms22 mutant of maize.

In modern agricultural production, maize is the most successful crop utilizing heterosis. 712C-ms22 is an important male sterile material in maize. In this study, we performed transcriptome sequencing analysis of the V10 stage of male inflorescence. Through this analysis, 27.63 million raw reads were obtained, and trimming of the raw data revealed 26.63 million clean reads, with an average match rate of 94.64%. Using Tophat software, we matched these clean reads to the maize reference genome. The abundance ...

Bt Resistance Implications for Helicoverpa zea (Lepidoptera: Noctuidae) Insecticide Resistance Management in the United States.

Both maize and cotton genetically engineered to express Bt toxins are widely planted and important pest management tools in the United States. Recently, Helicoverpa zea (Boddie) (Lepidoptera: Noctuidae) has developed resistance to two toxin Bt maize and cotton (Cry1A and Cry2A). Hence, growers are transitioning to three toxin Bt cotton and maize that express both Cry toxins and the Vip3Aa toxin. H. zea susceptibility to Vip3Aa is threatened by 1) a lack of availability of non-Bt refuge crop hosts, including...

Intercropping wheat and maize increases the uptake of phthalic acid esters by plant roots from soils.

Whether crop intercropping can affect the uptake of phthalic acid esters (PAEs) by plant roots from soils is unclear. In this study, we compare the PAE uptake by plant roots between the wheat/maize intercropping and the wheat and maize monocropping in a field work. We show that the PAE bioconcentration factors of wheat and maize roots are remarkably higher under wheat/maize intercropping than under monocropping, indicating that intercropping may significantly increase the biouptake of PAEs as compared to mo...

Egg Parasitoids of Dalbulus maidis (Hemiptera: Cicadellidae) Within Maize Agroecosystems and in the Edge Zones of Maize Fields, and on Maize Varieties During the Wet Season in Mexico.

Little is known about Dalbulus maidis (DeLong) egg parasitoids within maize fields, in the edge zones that surround these fields, and the parasitism on D. maidis eggs oviposited on different maize varieties. The objectives of the present study were first to understand which egg parasitoid species attack D. maidis eggs within maize fields and in the surrounding edge zones, and second, to compare parasitism on two maize varieties (land race Ancho-pozolero and hybrid Tigre-Asgrow) during the maize-growing wet ...

Effects of plastic mulching and plastic residue on agricultural production: A meta-analysis.

China is a large agricultural country, and food security is significantly limited by the shortage of water resources. Plastic mulching technology can effectively modify the crop growth environment and crop production due to differences in climatic conditions, spatial distribution characteristics, and cropping systems and methods. In this study, a meta-analysis was conducted to quantitatively analyze the effects of plastic film mulching and residual plastic on yield and water use efficiency (WUE) of maize, w...

Rickets/Osteomalacia. Treatment of vitamin D deficiency in adults.

Treatment of vitamin D deficiency in adults requires adequate diagnosis based on the rigorous definition of the disease. Recently, it has been reported that assessment criteria for vitamin D deficiency/insufficiency in Japan proposed by an expert panel. However, it is not yet certain whether supplementation of vitamin D as a nutrient to patients with diseases due to vitamin D deficiency per se is sufficient and appropriate if they are judged to be vitamin D deficient.

S-25OHD is Associated with Hand Grip Strength and Myopathy at Five Years in Girls: An Odense Child Cohort Study.

Severe vitamin D deficiency may lead to myopathy in adults. Little is known about vitamin D and muscle strength in children.

Modulating the antioxidant system by exogenous 2-(3,4-dichlorophenoxy) triethylamine in maize seedlings exposed to polyethylene glycol-simulated drought stress.

Maize (Zea mays L.), an important agricultural crop, suffers from drought stress frequently during its growth period, thus leading to a decline in yield. 2-(3,4-Dichlorophenoxy) triethylamine (DCPTA) regulates many aspects of plant development; however, its effects on crop stress tolerance are poorly understood. We pre-treated maize seedlings by adding DCPTA to a hydroponic solution and then subjected the seedlings to a drought condition [15% polyethylene glycol (PEG)-6000 treatment]. The activities of supe...

De novo Transcriptome Assemblies Reveal Parallel Gene Evolution with Maize after Ancient Polyploidy.

Plant genomes reduce in size following a whole-genome duplication event, and one gene in a duplicate gene pair can lose function in absence of selective pressure to maintain duplicate gene copies. Maize ( L.) and its sister genus, , share a genome duplication event that occurred 5 to 26 million years ago. Because few genomic resources for exist, it is unknown whether grasses and maize have maintained a similar set of genes that have resisted decay into pseudogenes. Here we present high-quality de novo trans...

Rotary tillage in rotation with plowing tillage improves soil properties and crop yield in a wheat-maize cropping system.

Soil rotational tillage is an effective measure to overcome the problems caused by long-term of a single tillage, but the effect of the interval time of rotational tillage practices is not very well understood. Therefore, we conducted a 3-year field study in a wheat-maize cropping system to evaluate the effects of rotary tillage (RT) in rotation with plowing tillage (PT) on soil properties in northern China. Four practices were designed as follows: 3 years of RT to a depth of 10-15 cm (3RT), 3 years of PT t...

Rickets/Osteomalacia. Symptomatic vitamin D deficiency in children and its prevention and treatment.

Vitamin D deficiency rickets is characterized by mineralization impairment in bone and cartilage of children caused by vitamin D deficiency in the body due to limited sunlight exposure and vitamin D intake. Vitamin D supplementation is recommended in developed countries. Low calcium intake is a risk factor for vitamin D deficiency rickets. For treatment, native vitamin D is used in developed countries, while active vitamin D is used in Japan.

All together now, a magical mystery tour of the maize shoot meristem.

Crop yield improvement requires optimization of shoot architecture, and can be facilitated by understanding shoot apical meristem (SAM) development. Maize, as one of the most important cereal crops worldwide, is also a model system and has significantly contributed to our fundamental understanding of SAM development. In this review, we focus on recent progress and will discuss communication between different meristem regulators, including CLAVATA receptors and ligands, transcription factors, small RNAs and ...

Combinatorial interaction of two adjacent cis-active promoter regions mediates the synergistic induction of Bt2 gene by sucrose and ABA in maize endosperm.

The accumulation of starch in cereal endosperm is a key process that determines crop yield and quality. Research has reported that sucrose and abscisic acid (ABA) synergistically regulate the synthesis of crop starch. However, little is known about the molecular mechanisms behind this synergistic effect. In this study, the effect of sucrose and ABA on starch synthesis in maize endosperm was investigated. The starch content, the ADP-Glc pyrophosphorylase (AGPase) concentration, and the expression of AGPase-e...

Canopy warming accelerates development in soybean and maize, offsetting the delay in soybean reproductive development by elevated CO concentrations.

Increases in atmospheric CO concentrations ([CO ]) and surface temperature are known to individually have effects on crop development and yield but their interactive effects have not been adequately investigated under field conditions. We evaluated the impacts of elevated [CO ] with and without canopy warming as a function of development in soybean and maize using infrared heating arrays nested within Free Air CO enrichment plots over three growing seasons. Vegetative development accelerated in soybean with...

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