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Related Concept Videos

Types of Toxins01:36

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Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
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Microbes and Climate Change01:27

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Microorganisms are pivotal agents in Earth's biogeochemical cycles, significantly influencing climate dynamics through their metabolic activities. These microbes modulate the levels of key greenhouse gases by both contributing to and helping mitigate climate change.Microbial Contributions to Greenhouse Gas EmissionsRising global temperatures accelerate microbial metabolism, which, in turn, speeds up the decomposition of organic matter. This process releases carbon dioxide (CO₂) through...
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Drug toxicity quantifies the harm a compound causes to an organism, varying by dose and potentially impacting whole systems or specific organs like the liver. Toxic reactions may arise from venomous insect or spider bites, with effects ranging from mild symptoms to severe outcomes such as brain damage or death. Common forms of acute poisoning include ethanol intoxication and overdose of pain or fever medications, with substances like GHB and heroin being particularly lethal at doses close to...
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Pesticides often feature structurally complex chemical architectures, incorporating halogen groups and multiple aromatic rings. These characteristics confer high chemical stability, rendering many pesticides resistant to natural degradation processes. This resistance poses significant environmental concerns, as persistent pesticide residues can accumulate in ecosystems and affect non-target organisms.Despite the inherent stability of many pesticides, certain microorganisms possess the metabolic...
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Bacterial Toxins01:12

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Bacterial toxins are sophisticated virulence factors that enable pathogenic bacteria to interact with, invade, and damage host tissues. These toxins fall broadly into two types: protein exotoxins, which are secreted into the environment and target specific host receptors, and lipopolysaccharide endotoxins, which are structural components of the bacterial outer membrane released primarily during bacterial lysis or membrane shedding. Exotoxins generally act more selectively, binding to cell...
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When toxic substances penetrate the human body, they disseminate to various tissues, undergoing metabolic changes. This process yields reactive metabolites that may covalently bind with specific target molecules, resulting in toxicity.
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RNAi-mediated Control of Aflatoxins in Peanut: Method to Analyze Mycotoxin Production and Transgene Expression in the Peanut/Aspergillus Pathosystem
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Mycotoxins in a changing global environment--a review.

A G Marroquín-Cardona1, N M Johnson2, T D Phillips3

  • 1Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Nuevo León, Escobedo, Nuevo León 66050, Mexico.

Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association
|April 29, 2014
PubMed
Summary

Mycotoxins, toxic fungal metabolites in staple foods, pose unavoidable health risks. Climate change and evolving fungal adaptations complicate control, necessitating adaptive strategies for food safety.

Keywords:
ClimateEconomic impactEmergentEnvironmentMycotoxinsSusceptible populations

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Area of Science:

  • Food Science
  • Toxicology
  • Environmental Science

Background:

  • Mycotoxins are toxic fungal metabolites contaminating staple foods globally, posing significant health risks.
  • These toxins include immunosuppressive, carcinogenic, hepatotoxic, nephrotoxic, and neurotoxic agents.
  • Climate change and evolving fungal adaptations present challenges to mycotoxin control and food safety.

Purpose of the Study:

  • To highlight the challenges in controlling mycotoxin exposure amidst a changing global environment.
  • To underscore the need for adaptive strategies balancing global standards with practical feasibility.
  • To emphasize research-based approaches for reducing mycotoxin exposure.

Main Methods:

  • Review of current knowledge on mycotoxin contamination in staple foods.
  • Analysis of environmental and climate change impacts on mycotoxin production and prevalence.
  • Examination of technological advancements and knowledge gaps in mycotoxin detection and control.

Main Results:

  • Mycotoxin contamination is an unavoidable global issue, particularly in cereals like rice, maize, and wheat.
  • Emerging mycotoxins, interactions between toxins, and climate-related factors complicate control efforts.
  • Increased adverse health effects from mycotoxins are anticipated due to co-adaptation of humans and fungi.

Conclusions:

  • Stricter mycotoxin control is challenged by environmental changes and fungal adaptation.
  • Balancing global standards with producer limitations is crucial for food quality and safety.
  • Developing adaptive, research-driven strategies is essential to mitigate future mycotoxin risks.