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aflatoxin b 1/dacsa
L'enllaç es desa al porta-retalls
Pàgina 1 des de 134 resultats
Variability of bright, greenish-yellow fluorescent particles and aflatoxin in ground blends of Zea mays.
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Developing corn (Zea mays) kernels of single cross B73 X Mo17 grown near Columbia, MO, were inoculated with conidia of Aspergillus flavus or A. parasiticus. After harvest bright greenish-yellow fluorescing (BGYF) kernels were selected under ultraviolet black light (365 nm); they contained 3696 ng/g
The effect of aflatoxins on the electron transport chain of chloroplasts from Zea mays L. and Pisum sativum L.
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The influence of aflatoxins B1, B2, G1, and G2 was studied on the electron transport chain (from water to methyl viologen) of freshly lysed chloroplasts from maize (Zea mays L.) and peas (Pisum sativum L.). A partially purified extract containing all four toxins was added to a chloroplast
Relationship between aflatoxin contamination and physiological responses of corn plants under drought and heat stress.
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Increased aflatoxin contamination in corn by the fungus Aspergillus flavus is associated with frequent periods of drought and heat stress during the reproductive stages of the plants. The objective of this study was to evaluate the relationship between aflatoxin contamination and physiological
Impact of Aspergillus section Flavi community structure on the development of lethal levels of aflatoxins in Kenyan maize (Zea mays).
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OBJECTIVE
To evaluate the potential role of fungal community structure in predisposing Kenyan maize to severe aflatoxin contamination by contrasting aflatoxin-producing fungi resident in the region with repeated outbreaks of lethal aflatoxicosis to those in regions without a history of
Aflatoxin and fumonisin contamination of commercial corn (Zea mays) hybrids in Mississippi.
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Resistance to mycotoxin contamination was compared in field samples harvested from 45 commercial corn (maize) hybrids and 5 single-cross aflatoxin-resistant germplasm lines in years with high and moderate heat stress. In high heat stress, mycotoxin levels were (4.34 +/- 0.32) x 10(3) microg/kg
Aflatoxin and Fumonisin in Corn (Zea mays) Infected by Common Smut Ustilago maydis.
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Corn infected with Ustilago maydis (common smut) produces galls that are valued as a delicacy in some cultures. During a 4-year period, aflatoxin levels in asymptomatic kernels of smutted ears were, on average, 45-fold higher than in kernels harvested from smut-free control ears and 99-fold higher
Metabolites Identified during Varied Doses of Aspergillus Species in Zea mays Grains, and Their Correlation with Aflatoxin Levels.
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Aflatoxin contamination is associated with the development of aflatoxigenic fungi such as Aspergillus flavus and A. parasiticus on food grains. This study was aimed at investigating metabolites produced during fungal development on maize and their correlation with aflatoxin levels. Maize cobs were
Variations in polyamine conjugates in maize (Zea mays L.) seeds contaminated with aflatoxin B1: A Dose-response relationship.
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Occurrence of aflatoxin in three maize (Zea mays L.) hybrids over 5 years in Northern Mississippi.
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Aflatoxins are produced as secondary metabolites under conducive climatic conditions by Aspergillus flavus. The incidence of aflatoxin varies with environmental conditions, genotype, and location. An expanded understanding of the interaction of the plant, fungus, and weather conditions is needed to
Expression analysis of stress-related genes in kernels of different maize (Zea mays L.) inbred lines with different resistance to aflatoxin contamination.
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This research examined the expression patterns of 94 stress-related genes in seven maize inbred lines with differential expressions of resistance to aflatoxin contamination. The objective was to develop a set of genes/probes associated with resistance to A. flavus and/or aflatoxin contamination.
Differential Expression of Signaling Pathway Genes Associated With Aflatoxin Reduction Quantitative Trait Loci in Maize (Zea mays L.).
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The roles of signaling pathway genes related to the aflatoxin reduction trait in maize were studied for the improvement of maize resistance to the fungal pathogen Aspergillus flavus (A. flavus). In this study, 55 maize genes in plant-pathogen interaction signaling pathways were
Functional Biology and Molecular Mechanisms of Host-Pathogen Interactions for Aflatoxin Contamination in Groundnut (Arachis hypogaea L.) and Maize (Zea mays L.).
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Aflatoxins are secondary metabolites produced by soilborne saprophytic fungus Aspergillus flavus and closely related species that infect several agricultural commodities including groundnut and maize. The consumption of contaminated commodities adversely affects the health of humans and
Uptake and metabolism of aflatoxin by Zea mays.
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Uptake of Zn++ and aflatoxin from perlite and liquid culture by Zea mays seedlings.
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Evaluation of the MI82 Corn Line as a Source of Resistance to Aflatoxin in Grain and Use of BGYF as a Selection Tool.
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Our objectives were to determine if the corn (Zea mays) inbred MI82 has alleles for resistance to Aspergillus ear rot (caused by Aspergillus flavus) and aflatoxin accumulation in grain that can be transferred to commercially used inbreds, and to determine the types and magnitudes of gene action,
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