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https://www.readbyqxmd.com/read/29150754/detoxification-of-aflatoxin-b1-by-antifungal-compounds-from-lactobacillus-brevis-and-lactobacillus-paracasei-isolated-from-dairy-products
#1
Eman Zakaria Gomaa, Manal Farouk Abdelall, Omima Mohammed El-Mahdy
Aflatoxins are a large group of highly toxic, mutagenic, and carcinogenic mycotoxins produced by specific species of fungi. Potential contamination of food commodities by these compounds causes extensive damage that lead to great economic losses. This study explored the potential use of antifungal compounds, produced by Lactobacillus brevis and Lactobacillus paracasei, for growth inhibition and subsequent aflatoxin B1 production from select strains of Aspergillus flavus and Aspergillus parasiticus. Lactobacilli strains were isolated from traditional Egyptian dairy products, whereas fungal strains were isolated from infected cereal seeds...
November 18, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29150689/distinct-genetic-architectures-for-phenotype-means-and-plasticities-in-zea-mays
#2
Aaron Kusmec, Srikant Srinivasan, Dan Nettleton, Patrick S Schnable
Phenotypic plasticity describes the phenotypic variation of a trait when a genotype is exposed to different environments. Understanding the genetic control of phenotypic plasticity in crops such as maize is of paramount importance for maintaining and increasing yields in a world experiencing climate change. Here, we report the results of genome-wide association analyses of multiple phenotypes and two measures of phenotypic plasticity in a maize nested association mapping (US-NAM) population grown in multiple environments and genotyped with ~2...
September 2017: Nature Plants
https://www.readbyqxmd.com/read/29149628/multiplex-taqman-locked-nucleic-acid-real-time-pcr-for-the-differential-identification-of-various-meat-and-meat-products
#3
Rusu Xu, Shuang Wei, Guangbiao Zhou, Jiao Ren, Zhongyong Liu, Shuze Tang, Peter C K Cheung, Xiyang Wu
Meat adulteration incidents have been reported frequently over the past few years, and the corresponding traceability issues attracted much more attention due to the customer's demands and administration's responsibility. Therefore, it is important to develop high-throughput and rapid detection methods to identify the specific sources from meat samples. In this study, a multiplex TaqMan locked nucleic acid real-time polymerase chain reaction assay (MLNA-RT-PCR) was developed to simultaneously detect multiple meat sources (duck, pork, beef and chicken)...
November 14, 2017: Meat Science
https://www.readbyqxmd.com/read/29147976/evaluation-of-microbial-consortia-and-chemical-changes-in-spontaneous-maize-bran-fermentation
#4
Marilù Decimo, Mattia Quattrini, Giovanni Ricci, Maria Grazia Fortina, Milena Brasca, Tiziana Silvetti, Federica Manini, Daniela Erba, Franca Criscuoli, Maria Cristina Casiraghi
Sustainable exploitation of agro-industrial by-products has attracted great interest in cereal bran valorization. In this research, a polyphasic approach has been carried out to characterize maize bran at microbiological and chemical level during a sourdough like fermentation process, in order to enhance its technological and nutritional properties. Autochthonous microbiota was isolated at different refreshment steps and subjected to identification and molecular characterization. Fermentation was characterized by a rapid increase in lactic acid bacteria and yeasts, with a co-dominance, at the initial stage, of Weissella spp...
November 16, 2017: AMB Express
https://www.readbyqxmd.com/read/29147791/completed-sequence-and-corrected-annotation-of-the-genome-of-maize-iranian-mosaic-virus
#5
Abozar Ghorbani, Keramatollah Izadpanah, Ralf G Dietzgen
Maize Iranian mosaic virus (MIMV) is a negative-sense single-stranded RNA virus that is classified in the genus Nucleorhabdovirus, family Rhabdoviridae. The MIMV genome contains six open reading frames (ORFs) that encode in 3΄ to 5΄ order the nucleocapsid protein (N), phosphoprotein (P), putative movement protein (P3), matrix protein (M), glycoprotein (G) and RNA-dependent RNA polymerase (L). In this study, we determined the first complete genome sequence of MIMV using Illumina RNA-Seq and 3'/5' RACE. MIMV genome ('Fars' isolate) is 12,426 nucleotides in length...
November 16, 2017: Archives of Virology
https://www.readbyqxmd.com/read/29146930/previous-crop-and-rotation-history-effects-on-maize-seedling-health-and-associated-rhizosphere-microbiome
#6
Maria-Soledad Benitez, Shannon L Osborne, R Michael Lehman
To evaluate crop rotation effects on maize seedling performance and its associated microbiome, maize plants were grown in the greenhouse in soils preceded by either maize, pea, soybean or sunflower. Soils originated from a replicated field experiment evaluating different four-year rotation combinations. In the greenhouse, a stressor was introduced by soil infestation with western corn rootworm (WCR) or Fusarium graminearum. Under non-infested conditions, maize seedlings grown in soils preceded by sunflower or pea had greater vigor...
November 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29146361/rheological-characterization-of-gum-and-starch-nanoparticle-blends
#7
Mariana Perez Herrera, Thava Vasanthan
Commercial interest on the application of starch nanoparticles (SNP) in food is rapidly growing. Since gums are commonly used in food processing for their texturizing functionality, it is important to understand the influence of SNP on gum rheology. λ-Carrageenan and xanthan gum were selected in this study due to their wide range of applications in food systems. SNP isolated from waxy (0% amylose) and high amylose maize (71% amylose) were used. Binary blends consisting of 0.5% (w/v) gum and different concentrations of SNP were prepared and their flow behaviors evaluated using a rheometer...
March 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29146343/classification-of-white-maize-defects-with-multispectral-imaging
#8
Kate Sendin, Marena Manley, Paul J Williams
Multispectral imaging with object-wise multivariate image analysis was evaluated for its potential to grade whole white maize kernels. The types of defective materials regarded in grading legislation were divided into 13 classes, and were imaged with a multispectral imaging instrument spanning the UV, visible and NIR regions (19 wavelengths ranging from 375 to 970nm). Object-wise partial least squares discriminant analysis (PLS-DA) models were developed and validated with an independent data set. Results demonstrated good performance in distinguishing between sound maize and undesirable materials, with cross-validated coefficients of determination (Q(2)) and classification accuracies ranging from 0...
March 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29145779/quality-and-safety-of-maize-zea-mays-l-from-rondonia-state-storage-units-northern-brazil
#9
R Valmorbida, G D Savi, J R Silva, M M O Yanez, C E S Soares, C Runtzel, P N Nascimento, V M Scussel
The quality and safety of maize (Zea mays L.) from different grain storage units (GSUs), located in the main producing region of Rondonia State (RO), Northern Brazil were evaluated. Maize grains (n= 76) stored in four GSUs were collected from July to November 2014 and evaluated for grain damages, humidity, fungi and fumonisins (FBs) content. The climate conditions data were also obtained from plant growing to storage periods. Regarding the moisture content and water activity, these varied from 10.0 to 16.1% and 0...
November 16, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29145069/the-sultr-gene-family-in-maize-zea-mays-l-gene-cloning-and-expression-analyses-under-sulfate-starvation-and-abiotic-stress
#10
Qin Huang, Meiping Wang, Zongliang Xia
Sulfur is an essential macronutrient required for plant growth, development and stress responses. The family of sulfate transporters (SULTRs) mediates the uptake and translocation of sulfate in higher plants. However, basic knowledge of the SULTR gene family in maize (Zea mays L.) is scarce. In this study, a genome-wide bioinformatic analysis of SULTR genes in maize was conducted, and the developmental expression patterns of the genes and their responses to sulfate starvation and abiotic stress were further investigated...
November 10, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/29144431/bioabsorption-and-bioaccumulation-of-cadmium-in-the-straw-and-grain-of-maize-zea-mays-l-in-growing-soils-contaminated-with-cadmium-in-different-environment
#11
Jorge Retamal-Salgado, Juan Hirzel, Ingrid Walter, Iván Matus
There is a worldwide increase of heavy metal or potentially toxic element (PTE), contamination in agricultural soils caused mainly by human and industrial action, which leads to food contamination in crops such as in maize. Cadmium (Cd) is a PTE often found in soils and it is ingested through food. It is necessary to determine the bioabsorption, distribution, and accumulation levels in maize to reduce or prevent food chain contamination. Cadmium absorption and accumulation in three maize cultivars were evaluated in three agricultural environments in Chile by increasing CdCl₂ rates (0, 1, and 2 mg·kg(-1))...
November 16, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29143925/production-of-fumonisins-by-endophytic-strains-of-tolypocladium-cylindrosporum-and-its-relation-to-fungal-virus-infection
#12
Iñigo Zabalgogeazcoa, Amador Alvarez, Noemi Herrero, Beatriz R Vazquez-de-Aldana
Fumonisins were first discovered in Fusarium verticillioides, a fungus associated to disease and asymptomatic infections in maize. Afterwards, other fungal taxa have been found to produce fumonisins. The entomopathogenic ascomycete Tolypocladium cylindrosporum has been isolated from soil and also as an endophyte from leaves of grasses. The objectives of this work were to determine the in vitro production of fumonisin B (FB) mycotoxins and the immunosuppressive compound cyclosporine A (CyA) in several strains of T...
November 16, 2017: Mycotoxin Research
https://www.readbyqxmd.com/read/29143825/corrigendum-transcriptome-analysis-of-maize-immature-embryos-reveals-the-roles-of-cysteine-in-improving-agrobacterium-infection-efficiency
#13
Yan Liu, Zhiqiang Zhang, Junjie Fu, Guoying Wang, Jianhua Wang, Yunjun Liu
[This corrects the article on p. 1778 in vol. 8, PMID: 29089955.].
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29143349/growth-rate-rather-than-growth-duration-drives-growth-heterosis-in-maize-b104-hybrids
#14
Kim Feys, Kirin Demuynck, Jolien De Block, Anchal Bisht, Alex De Vliegher, Dirk Inzé, Hilde Nelissen
Research in maize is often performed using inbred lines which can be readily transformed, such as B104. However, B104 flowers late so that the kernels not always mature before the end of the growing season, hampering routine seed yield evaluations of biotech traits introduced in B104 at many geographical locations. Therefore, we generated five hybrids by crossing B104 with the early-flowering inbred lines CML91, F7, H99, Mo17 and W153R and showed in three consecutive years that the hybrid lines proved to be suitable to evaluate seed yield under field conditions in a temperate climate...
November 16, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/29143202/tobacco-plants-expressing-the-maize-nitrate-transporter-zmnrt2-1-exhibit-altered-responses-of-growth-and-gene-expression-to-nitrate-and-calcium
#15
Abubakar Ibrahim, Xiao-Lu Jin, Yu-Bin Zhang, Jessica Cruz, Paveena Vichyavichien, Nwadiuto Esiobu, Xing-Hai Zhang
BACKGROUND: Nitrate uptake is a highly regulated process. Understanding the intricate interactions between nitrate availability and genetically-controlled nitrate acquisition and metabolism is essential for improving nitrogen use efficiency and increasing nitrate uptake capacity for plants grown in both nitrate-poor and nitrate-enriched environments. In this report, we introduced into tobacco (Nicotiana tabacum) the constitutively expressed maize high-affinity transporter ZmNrt2.1 gene that would bypass the tight control for the endogenous nitrate-responsive genes...
November 15, 2017: Botanical Studies (Taipei, Taiwan)
https://www.readbyqxmd.com/read/29143067/characterization-and-fine-mapping-of-qkc7-03-a-major-locus-for-kernel-cracking-in-maize
#16
Mingtao Yang, Lin Chen, Xun Wu, Xing Gao, Chunhui Li, Yanchun Song, Dengfeng Zhang, Yunsu Shi, Yu Li, Yong-Xiang Li, Tianyu Wang
A major locus conferring kernel cracking in maize was characterized and fine mapped to an interval of 416.27 kb. Meanwhile, combining the results of transcriptomic analysis, the candidate gene was inferred. Seed development requires a proper structural and physiological balance between the maternal tissues and the internal structures of the seeds. In maize, kernel cracking is a disorder in this balance that seriously limits quality and yield and is characterized by a cracked pericarp at the kernel top and endosperm everting...
November 15, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/29142587/factors-associated-with-the-high-prevalence-of-oesophageal-cancer-in-western-kenya-a-review
#17
REVIEW
Gabriel Kigen, Naftali Busakhala, Zipporah Kamuren, Hillary Rono, Wilfred Kimalat, Evangeline Njiru
Oesophageal carcinoma (OC) is highly prevalent in Western Kenya especially among the members of the Kalenjin community who reside in the Northern and Southern areas of the Rift Valley. Previous authors have suggested potential association of environmental and genetic risk factors with this high prevalence. The environmental factors that have been suggested include contamination of food by mycotoxins and/or pesticides, consumption of traditional alcohol (locally referred to "Busaa" and "Chan'gaa"), use of fermented milk ("Mursik"), poor diet, tobacco use and genetic predisposition...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/29141643/integrative-medicine-primary-care-assessing-the-practice-model-through-patients-experiences
#18
Robert L Crocker, Amy J Grizzle, Jason T Hurwitz, Rick A Rehfeld, Ivo Abraham, Randy Horwitz, Andrew Weil, Victoria Maizes
BACKGROUND: The University of Arizona Integrative Health Center (UAIHC) was an innovative integrative medicine (IM) adult primary care clinic in Phoenix, Arizona. UAIHC used a hybrid payment model to deliver comprehensive healthcare that includes conventional and complementary medical treatments. METHODS: Fidelity measures were collected to evaluate how well the IM care delivery process matched ideals for IM. Patient experiences are presented here. Patients visiting UAIHC on 1 of 10 randomly selected days between September 2013 and February 2015 were surveyed...
November 15, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29139111/a-retrotransposon-in-an-hkt1-family-sodium-transporter-causes-variation-of-leaf-na-exclusion-and-salt-tolerance-in-maize
#19
Ming Zhang, Yibo Cao, Zhiping Wang, Zhi-Qiang Wang, Junpeng Shi, Xiaoyan Liang, Weibin Song, Qijun Chen, Jinsheng Lai, Caifu Jiang
Soil salinity is one of several major abiotic stresses that constrain maize productivity worldwide. An improved understanding of salt-tolerance mechanisms will thus enhance the breeding of salt-tolerant maize and boost productivity. Previous studies have indicated that the maintenance of leaf Na(+) concentration is essential for maize salt tolerance, and the difference in leaf Na(+) exclusion has previously been associated with variation in salt tolerance between maize varieties. Here, we report the identification and functional characterization of a maize salt-tolerance quantitative trait locus (QTL), Zea mays Na(+) Content1 (ZmNC1), which encodes an HKT-type transporter (designated as ZmHKT1)...
November 15, 2017: New Phytologist
https://www.readbyqxmd.com/read/29138938/jasmonic-acid-induced-no-activates-mek1-2-in-regulating-the-metabolism-of-ascorbate-and-glutathione-in-maize-leaves
#20
Changjuan Shan, Haili Sun
This study investigated the relationship between MEK1/2 and nitric oxide (NO) in jasmonic acid (JA)-regulated metabolism of ascorbate and glutathione in maize leaves. The results showed that JA increased the activities of APX, GR, MDHAR, DHAR, GalLDH, and γ-ECS; the contents of AsA and GSH; and the production of NO. Above increases except for γ-ECS activity and NO production were all suppressed by pre-treatments with MEK1/2 inhibitors PD98059 and U0126. Above increases were all suppressed by pre-treatments with nitric oxide synthase (NOS) inhibitor L-NAME and NO scavenger cPTIO...
November 14, 2017: Protoplasma
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