Heavy Metal Remediation in Wetlands

Sarath, Nair G.; Sruthi, Palliyath; Shackira, A.M.; Puthur, Jos T.

doi:10.1007/978-3-030-57635-6_123

Cited by 1 publication

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“…The increased accumulation of heavy metals in the soil and its management in an eco-friendly manner is a difficult task [ 7 ]. The remediation of the contaminants from soil, using higher plants is termed as phytoremediation [ 4 , 8 , 9 ]. This creative solution is a hopeful tool for the decontamination of polluted soil.…”

Section: Introductionmentioning

confidence: 99%

Physio-anatomical modifications and elemental allocation pattern in Acanthus ilicifolius L. subjected to zinc stress

Sarath

Manzil²,

Ali

et al. 2022

PLoS ONE

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Physio-anatomical modifications and elemental distribution pattern in Acanthus ilicifolius subjected to Zn stress were analysed in this study. Survival of A. ilicifolius plants under a high concentration of ZnSO4 was compensated by the reduction in the photosynthetic efficacy. Micro and macro-elemental distribution pattern in the root tissues was significantly influenced by heavy metal exposure. Tolerance towards the excess toxic metal ions in the tissue of A. ilicifolius was aided by the modified anatomical features. Moreover, the increased deposition of Zn around the central vasculature of the root confirms the complexation of Zn2+ in the xylem vessels. Metal induced molecular level changes of root and leaf samples indicate the presence of OH, NH2, and CH3 deformation as well as C-O-H and C-O-C stretch. A prominent band corresponding to CH3 deformation, pointing hemicellulose fortification, occurs in the cell walls of the xylem, aiding in Zn localization. The phytostabilisation potential of A. ilicifolius is dependent on the coordinated responses which endow with phenotypic plasticity necessary to cope with Zn toxicity.

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