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Caenorhabditis Elegans as a Model for Environmental Epigenetics.
Curr Environ Health Rep
January 2025
Institute for Society and Genetics, University of California, Boyer Hall, Room 332, 611 Charles E Young Dr E., UCLA, Los Angeles, CA, 90095, USA.
Purpose Of Review: The burgeoning field of environmental epigenetics has revealed the malleability of the epigenome and uncovered numerous instances of its sensitivity to environmental influences; however, pinpointing specific mechanisms that tie together environmental triggers, epigenetic pathways, and organismal responses has proven difficult. This article describes how Caenorhabditis elegans can fill this gap, serving as a useful model for the discovery of molecular epigenetic mechanisms that are conserved in humans.
Recent Findings: Recent results show that environmental stressors such as methylmercury, arsenite, starvation, heat, bacterial infection, and mitochondrial inhibitors can all have profound effects on the epigenome, with some insults showing epigenetic and organismal effects for multiple generations.
The impact of mercury exposure on male reproduction: Mechanistic insights.
J Trace Elem Med Biol
January 2025
Indiana University, Department of Biochemistry and Molecular Biology, Indianapolis, USA. Electronic address:
Mercury is a pervasive environmental toxin with significant negative effects on human health. In occupational settings, incidents such as the Minamata and Niigata disease in Japan and the large-scale methylmercury poisoning in Iraq have highlighted the severe health impacts of mercury exposure. It is widely accepted that all forms of mercury including methylmercury and mercuric chloride have the potential to induce toxic effects in mammals, and there is increasing concern about the impact of environmentally relevant levels of mercury on reproductive functions.
View Article and Find Full Text PDFGlutathione reductase plays a role in the metabolism of methylmercury degradation in .
Microbiol Spectr
January 2025
School of Basic Medical Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, China.
Unlabelled: Mercury pollution is a kind of heavy metal pollution with great harm and strong toxicity which exists worldwide. Some microorganisms can convert highly toxic methylmercury into inorganic mercury compounds with significantly reduced toxicity. This is an effective means of methylmercury pollution remediation.
View Article and Find Full Text PDFEvaluating the Accumulation of Grain Mercury in Engineered Rice Lines Containing and Genes Under an Organic Mercury-Enriched Condition.
Plants (Basel)
December 2024
State Key Laboratory of Plant Diversity and Specialty Crops, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.
Rice is a critical crop for human sustenance worldwide. Food security has increasingly attracted public concerns, particularly due to heavy metal pollution, which adversely impacts crop yield and quality, with cadmium and mercury being the primary culprits. Excessive soil mercury not only hampers rice's growth and development but also leads to a substantial accumulation in grains, posing a significant threat to human health.
View Article and Find Full Text PDFElevated methylmercury production in seasonally inundated sediments: Insights from DOM molecular composition.
J Hazard Mater
January 2025
Chongqing Vocational Institute of Engineering, Chongqing 402260, China.
Seasonally inundated areas (SIA) within aquatic systems are characterized by elevated methylmercury (MeHg) production. Nevertheless, the response characteristics of dissolved organic matter (DOM) quality in SIA sediments, including its molecular compositions and structure, and their impacts on the MeHg production are not yet fully understood. This research gap has been addressed through field investigations and microcosm experiments conducted in a metal-polluted plateau wetland.
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