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Biotransfer, bioaccumulation and detoxification of nickel along the soil - faba bean - aphid - ladybird food chain

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  • Mohd Irfan Naikoo, Aligarh Muslim University
  • ,
  • Fareed Ahmad Khan, Aligarh Muslim University
  • ,
  • Ahmed Noureldeen, Taif University
  • ,
  • Jörg Rinklebe, University of Wuppertal, Sejong University
  • ,
  • Christian Sonne
  • Nishanta Rajakaruna, California State Polytechnic University Pomona, North West University
  • ,
  • Parvaiz Ahmad, Cluster University Srinagar

Nickel release from anthropogenic and natural sources into the environment has resulted in biomagnification in terrestrial ecosystems. Here, we studied the biotransfer and toxicokinetics of nickel (Ni) along the soil < faba bean < aphid-ladybird food chain. The soil was spiked with the following Ni concentrations (in mg kg−1 soil ww); T0 (0), T1 (25), T2 (50), T3 (75), and T4 (100). Our results revealed a significant elevation of Ni transfer with increasing Ni doses. The transfer coefficients (TC) indicate Ni biomagnified in soil to root and shoot to aphid >1 while the TC of the biominimisation of Ni in the aphid to ladybird was <1. The Ni removal from aphids through honeydew (excreta) and pupal exuviae during metamorphosis suggests a possible detoxification mechanism operating at two distinctive trophic levels, controlling the bioaccumulation of Ni along the examined food chain. Such toxicokinetics is not reported elsewhere and emphasize the need for future studies aiming to elaborate the possible mechanisms, potential components and physiological pathways associated with the bioaccumulation of Ni across food chains of the ecosystem.

TidsskriftScience of the total Environment
StatusUdgivet - sep. 2021

Bibliografisk note

Funding Information:
The chairman, Department of Botany, Aligarh Muslim University, Aligarh is gratefully acknowledged for allocating requisite resources for this study. The authors would like to thank the Deanship of Scientific Research at Taif University for funding this work through Taif University Researchers Supporting Project number ( TURSP - 2020/141 ), Taif University, Taif, Saudi Arabia.

Publisher Copyright:
© 2021 Elsevier B.V.

Copyright 2021 Elsevier B.V., All rights reserved.

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