A critical review on speciation, mobilization and toxicity of lead in soil microbe-plant system and bioremediation strategies

被引：337

作者：

Kushwaha, Anamika ^{[1
]}

Hans, Nidhi ^{[1
]}

Kumar, Sanjay ^{[1
]}

Rani, Radha ^{[1
]}

机构：

[1] Motilal Nehru Natl Inst Technol, Dept Biotechnol, Allahabad, Uttar Pradesh, India

来源：

ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY | 2018年 / 147卷

关键词：

Lead; Speciation; Toxicity; Detoxification; Bioremediation; CALMODULIN-BINDING TRANSPORTER; BACTERIA HIGHLY RESISTANT; REMOVE HEAVY-METALS; PLASMA-MEMBRANE; GENE FAMILY; PB; CADMIUM; ACCUMULATION; GROWTH; ZINC;

D O I：

10.1016/j.ecoenv.2017.09.049

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Lead accumulation in soils is of serious concern in agricultural production due to the harmful effects on soil microflora, crop growth and food safety. In soil, speciation of lead greatly affects its bioavailability and thus its toxicity on plants and microbes. Many plants and bacteria have evolved to develop detoxification mechanisms to counter the toxic effect of lead. Factors influencing the lead speciation include soil pH, organic matter, presence of various amendments, clay minerals and presence of organic colloids and iron oxides. Unlike, other metals little is known about the speciation and mobility of lead in soil. This review focuses on the speciation of lead in soil, its mobility, toxicity, uptake and detoxification mechanisms in plants and bacteria and bioremediation strategies for remediation of lead contaminated repositories.

引用

页码：1035 / 1045

页数：11

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