Response of Plants towards Heavy Metal Toxicity: An overview of Avoidance, Tolerance and Uptake Mechanism

By Amita A. Dalvi, S. Bhalerao. 2013

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A Review on Practical Application and Potentials of Phytohormone-Producing Plant Growth-Promoting Rhizobacteria for Inducing Heavy Metal Tolerance in Crops (2020, background): “Metal complexation and removal at intra and intercellular level by formation of metallothioneins (MTs) or phytochelatins (PCs) and production of polysaccharides and organic acids have also been studied in plants [61,68,69].”
Heavy Metal Stress and Some Mechanisms of Plant Defense Response (2015, background): “This includes the induction of a myriad of low-molecular weight protein metallochaperones or chelators such as nicotianamine, putrescine, spermine, mugineic acids, organic acids, glutathione, phytochelatins, and metallothioneins or cellular exudates such as flavonoid and phenolic compounds, protons,”
Phytoremediation: A Promising Approach for Revegetation of Heavy Metal-Polluted Land (2020, background): “Plants can increase their bioavailability by releasing a variety of root exudates, which can change rhizosphere pH and increase heavy metal solubility (Dalvi and Bhalerao, 2013).”