The field of research is centered around arsenic contamination in the plant and soil system, with a particular focus on rice crops. Arsenic toxicity in plants is influenced by various factors, including its nature, speciation, solubility, concentration, the type of plant species, and other soil variables. The current problem lies in the fact that rice, a staple food for more than half of the world's population, has a higher ability to enrich arsenic than other crops, posing a serious threat to global food security and human health. Recent studies have explored methods to reduce arsenic accumulation in rice, but the results have been inconsistent due to varying arsenic species and soil environments. There is a need for a systematic discussion on measures to reduce arsenic in rice based on its mechanism of action.

The main aim of this research topic is to gain an in-depth understanding of the molecular mechanism of arsenic accumulation in rice. This understanding could lead to the development of accurate measures to reduce arsenic content based on local conditions. The research also aims to explore the role of different molecules in modifying arsenic-induced toxicities in plants and the role of nanoparticles in reducing arsenic stress in plants. The goal is to provide theoretical support for the prevention and control of arsenic pollution in rice and facilitate the creation of new types of germplasm aiming to develop without arsenic accumulation or within an acceptable limit.

To gather further insights into the arsenic contamination in the plant and soil system, we welcome articles addressing, but not limited to, the following themes:

- The role of different molecules in modifying arsenic-induced toxicities in plants.
- The role of nanoparticles in reducing arsenic stress in plants.
- The molecular mechanisms of toxicity, absorption, transport, and redistribution of different species of arsenic in rice.
- The agronomic measures to effectively reduce the accumulation of arsenic in rice.
- The genetic resources that can be used to breed for rice that only accumulates low levels of arsenic.
- The potential strategies for simultaneous administration of beneficial substances in paddy fields to reduce arsenic accumulation.

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Molecular Mechanisms of Arsenic Accumulation in Rice Crops