4.7 Article

Siderophores: an alternative bioremediation strategy?

期刊

SCIENCE OF THE TOTAL ENVIRONMENT
卷 819, 期 -, 页码 -

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ELSEVIER
DOI: 10.1016/j.scitotenv.2022.153144

关键词

Siderophores; Natural chelating agents; Bioremediation; Phytoremediation; Toxic metals and metalloids; Organic contaminants

资金

  1. specific University Research grant [A2_ FTOP_2020_ 001, A1_FTOP_2021_003]

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Siderophores are small molecules produced by bacteria, fungi, and plants that can solubilize and mobilize heavy metals and metalloids in soil, thus facilitating their bioremediation. Furthermore, siderophores can promote the production of reactive oxygen species and enhance the biodegradation of organic contaminants.
Siderophores are small molecular weight iron scavengers that are mainly produced by bacteria, fungi, and plants. Recently, they have attracted increasing attention because of their potential role in environmental bioremediation. Although siderophores are generally considered to exhibit high specificity for iron, they have also been reported to bind to various metal and metalloid ions. This unique ability allows siderophores to solubilise and mobilise heavy metals and metalloids from soil, thereby facilitating their bioremediation. In addition, because of their redox nature, they can mediate the production of reactive oxygen species (ROS), and thus promote the biodegradation of organic contaminants. The aim of this review is to summarise the existing knowledge on the developed strategies of siderophore-assisted bioremediation of metals, metalloids, and organic contaminants. Additionally, this review also includes the biosynthesis and classification of microbial and plant siderophores.

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