The Role of Cytochrome P450 Monooxygenase in Plant Xenobiotic Metabolism

Xenobiotics, which are foreign chemical substances, can significantly impact plant growth, development, and health, posing risks through disruption of physiological processes or accumulation to toxic levels. Plants have evolved sophisticated mechanisms to detoxify these compounds, including metabolic pathways that modify or degrade xenobiotics. This chapter explores the critical role of cytochrome P450 monooxygenases in the metabolism of xenobiotics in plants. Despite these adaptations, high concentrations of xenobiotics can lead to detrimental effects such as reduced crop yield and plant mortality. This chapter emphasizes the importance of understanding xenobiotic effects on plants and developing strategies for mitigation, which is vital for agriculture, environmental sustainability, and human health. Additionally, it highlights the process of phytoremediation, where certain plants can accumulate, transform, or degrade harmful substances, primarily facilitated by cytochrome P450 enzymes (CYPs). These enzymes are integral to the three-step metabolic process that converts toxic compounds into less harmful forms, underscoring their significance in plant defense mechanisms.