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Selenium in Soil–Plant-Microbe: A Review

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Abstract

Selenium (Se) plays an important role in geochemistry and is an essential trace element for humans and animals. This review summarizes the transformation and accumulation of Se in the plant-soil-microbe system. As one of the important reservoirs of Se, soil is an important material basis of its entry into the food chain through plants. Soil with an appropriate amount of Se is beneficial for plant growth and plays a valuable role in a stress-resistant environment. Among the many migration and transformation pathways, the transformation of Se by microorganisms is particularly important and is the main form of Se transformation in the soil environment. In this review, the role and form transformation of Se in plants, soil, and microorganisms; the role of Se in plants; the form, input, and output of Se in soil; the absorption and transformation of Se by plants; and the role of microorganisms in Se transformation are presented. In addition to describing the migration and transformation laws of Se in the environment, this review expounds on the main directions and trends of Se research in the agricultural field as well as current gaps and difficulties in Se-related research. Overall, this reviews aims to provide necessary information and theoretical references for the development of Se-rich agriculture.

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Funding

This work received support from Scientific Startup Foundation for Doctors of Yulin Normal University (CN) (Grant No. G2020ZK13), Scientific Research and Technology Development Program of Guangxi (Grant Nos. GuiKe AA17202037, GuiKe AD19245169, GuiKe AD18281072), Yulin Science and Technology Program Project (Grant Nos. Yushikeneng 20194301, yushike20204038, yushikete202020001).

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Correspondence to Wei Huang or Fei Pang.

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Wang, Z., Huang, W. & Pang, F. Selenium in Soil–Plant-Microbe: A Review. Bull Environ Contam Toxicol 108, 167–181 (2022). https://doi.org/10.1007/s00128-021-03386-2

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  • DOI: https://doi.org/10.1007/s00128-021-03386-2

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