Genetic Regulation Mechanism of Cadmium Accumulation and Tolerance

Dear Colleagues,

The journal Plants will be publishing a Special Issue on genetic regulation mechanisms of cadmium accumulation and tolerance in plants. Farmland serves as the foundation for the growth of food and economic crops, and the protection and safe utilization of farmland are crucial not only for national economic development but also as a fundamental requirement for the dietary health of people. Cadmium, a common pollutant in farmland soil, is a non-essential element for plants with strong biological toxicity and rapid migration characteristics. While various advanced technologies such as physical and chemical remediation have been effectively used to prevent and control heavy metal pollution in farmland, they often come with high treatment costs and are large-scale projects. Plant remediation technology harnesses the absorption, fixation, transformation, and accumulation capabilities of plants for pollutants, and it promotes microbial degradation and the harmless processes of pollutants by creating favorable conditions for rhizosphere microorganisms, thus remediating polluted soil. This technology can be categorized into plant extraction, plant volatilization, plant stabilization, rhizosphere biodegradation, and root filtration based on the governance process and mechanism. The cultivation of cadmium hyper-accumulating plants to extract cadmium from farmland soil is a widely studied and promising method. Additionally, low cadmium accumulation plant barrier technology is considered a new practical approach for the green restoration of farmland soil, allowing for “simultaneous production and restoration”. Breeding and cultivating plants that inhibit cadmium uptake is an effective strategy to reduce cadmium entry into the food chain, which is critical for ensuring human health and restoring the ecological balance. Therefore, the analysis of genetic regulatory mechanisms related to cadmium absorption, transportation, and distribution in various plants is vital for ecological remediation, enhancing agricultural yield and quality, ensuring food safety, and safeguarding human health. This Special Issue will encompass a broad range of fields to provide a comprehensive understanding of plant cadmium accumulation from multiple perspectives.

Dr. Jinqiu Liao
Dr. Mingxi Zhou
Guest Editors

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• low cadmium accumulation plants
• hyper cadmium accumulation plants
• cadmium tolerance
• gene function
• molecular regulatory mechanisms
• phytoremediation