Physio-anatomical Modifications and Elemental Allocation Pattern in Acanthus Ilicifolius L. Subjected to Zinc Stress

Overview

Journal PLoS One

Specialties General Medicine
Science

Date 2022 May 17

PMID 35580091

Authors

Nair G Sarath

Shackira A Manzil

Sajad Ali

Abdulaziz Abdullah Alsahli

Jos T Puthur

Affiliations

Soon will be listed here.

Abstract

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.

Citing Articles

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

PLoS One. 2023; 18(12):e0296156.

PMID: 38096239 PMC: 10721087. DOI: 10.1371/journal.pone.0296156.

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