Abstract：
Selenium (Se) plays crucial roles in human, animal, and plant physiology, but its varied plant functions remain complex and not fully understood. While Se deficiency affects over a billion people worldwide, excessive Se levels can be toxic, presenting substantial risks to ecosystem health and public safety. The delicate balance between Se\'s beneficial and harmful effects necessitates a deeper understanding of its speciation dynamics and how different organisms within ecosystems respond to Se. Since humans primarily consume Se through Se-rich foods, exploring Se\'s behavior, uptake, and transport within agroecosystems is critical to creating effective management strategies. Traditional physicochemical methods for Se remediation are often expensive and potentially harmful to the environment, pushing the need for more sustainable solutions. In recent years, phytotechnologies have gained traction as a promising approach to Se management by harnessing plants\' natural abilities to absorb, accumulate, metabolize, and volatilize Se. These strategies range from boosting Se uptake and tolerance in plants to releasing Se as less toxic volatile compounds or utilizing it as a biofortified supplement, opening up diverse possibilities for managing Se, offering sustainable pathways to improve crop nutritional quality, and protecting human health in different environmental contexts. However, closing the gaps in our understanding of Se dynamics within agricultural systems calls for a united front of interdisciplinary collaboration from biology to environmental science, agriculture, and public health, which has a crucial role to play. Phytotechnologies offer a sustainable bridge between Se deficiency and toxicity, but further research is needed to optimize these methods and explore their potential in various agricultural and environmental settings. By shedding light on Se\'s multifaceted roles and refining management strategies, this review contributes to developing cost-effective and eco-friendly approaches for Se management in agroecosystems. It aims to lead the way toward a healthier and more sustainable future by balancing the need to address Se deficiency and mitigate the risks of Se toxicity.
摘要：
硒（Se）在人类中起着至关重要的作用，动物,和植物生理学，但是它的各种植物功能仍然很复杂，没有完全理解。虽然硒缺乏症影响着全世界超过10亿人，过量的硒水平可能是有毒的，对生态系统健康和公共安全构成重大风险。硒的有益和有害影响之间的微妙平衡需要更深入地了解其物种形成动态以及生态系统中不同生物对硒的反应。由于人类主要通过富含硒的食物来消耗硒，探索Se\的行为，摄取，农业生态系统内的运输对于制定有效的管理策略至关重要。传统的物理化学方法来修复硒通常是昂贵的，并且可能对环境有害。推动对更可持续解决方案的需求。近年来,植物技术作为一种有前途的硒管理方法，通过利用植物的自然吸收能力，积累,代谢，并挥发硒。这些策略包括从提高植物对硒的吸收和耐受性到释放硒作为毒性较小的挥发性化合物或将其用作生物强化的补充剂。为管理Se开辟了多种可能性，提供可持续的途径来提高作物营养质量，在不同的环境中保护人类健康。然而,缩小我们对农业系统中硒动态的理解差距，需要从生物学到环境科学的跨学科合作的统一战线，农业,和公共卫生，起着至关重要的作用。植物技术在硒缺乏和毒性之间提供了可持续的桥梁，但是需要进一步的研究来优化这些方法，并探索它们在各种农业和环境环境中的潜力。通过阐明Se的多方面角色和完善管理策略，这项审查有助于开发具有成本效益和生态友好的方法来管理农业生态系统中的硒。它旨在通过平衡解决硒缺乏和减轻硒毒性风险的需求，引领更健康，更可持续的未来。
