Plant Recovery after Metal Stress—A Review

Contamination of the environment with metals, their adverse impact on plant performance and transmission to the human food chain through crops and vegetables are important concerns worldwide. Although the literature on metal contamination, toxicity and plant response to this stress factor is quite a...

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Main Authors: Jagna Chmielowska-Bąk, Joanna Deckert
Format: Article
Language:English
Published: MDPI AG 2021-02-01
Series:Plants
Subjects:
Online Access:https://www.mdpi.com/2223-7747/10/3/450
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author Jagna Chmielowska-Bąk
Joanna Deckert
author_facet Jagna Chmielowska-Bąk
Joanna Deckert
author_sort Jagna Chmielowska-Bąk
collection DOAJ
description Contamination of the environment with metals, their adverse impact on plant performance and transmission to the human food chain through crops and vegetables are important concerns worldwide. Although the literature on metal contamination, toxicity and plant response to this stress factor is quite abundant, there are very limited reports on the phenomenon of plant recovery after metal stress. The present article reviews available literature on the recovery process examined in various plant species, in response to several metals (Al, Cd, Cu, Ni, Pb, Zn), applied at different concentrations and treatment duration. The reviewed studies have been carried out in laboratory conditions. However, it should be highlighted that although metal stress is not as transient as most of other stress factors (e.g., drought, heat, chilling), metal concentration in the soil may still decrease due to, e.g., leaching to lower soil layers or uptake by organisms. Thus, in natural conditions, plants may be subjected to post-metal-stress conditions. The review also discusses the mechanism behind efficient recovery and the impact of post metal stress on future plant performance—possible acquisition of stress memory, adaptation to unfavorable conditions and cross-tolerance towards other stress factors.
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spelling doaj.art-7a23a027069b4a8dbcfcb326a62d75a12023-12-03T11:53:05ZengMDPI AGPlants2223-77472021-02-0110345010.3390/plants10030450Plant Recovery after Metal Stress—A ReviewJagna Chmielowska-Bąk0Joanna Deckert1Department of Plant Ecophysiology, Institute of Experimental Biology, Faculty of Biology, Adam Mickiewicz University, Poznań, ul. Uniwersytetu Poznańskiego 6, 61-614 Poznań, PolandDepartment of Plant Ecophysiology, Institute of Experimental Biology, Faculty of Biology, Adam Mickiewicz University, Poznań, ul. Uniwersytetu Poznańskiego 6, 61-614 Poznań, PolandContamination of the environment with metals, their adverse impact on plant performance and transmission to the human food chain through crops and vegetables are important concerns worldwide. Although the literature on metal contamination, toxicity and plant response to this stress factor is quite abundant, there are very limited reports on the phenomenon of plant recovery after metal stress. The present article reviews available literature on the recovery process examined in various plant species, in response to several metals (Al, Cd, Cu, Ni, Pb, Zn), applied at different concentrations and treatment duration. The reviewed studies have been carried out in laboratory conditions. However, it should be highlighted that although metal stress is not as transient as most of other stress factors (e.g., drought, heat, chilling), metal concentration in the soil may still decrease due to, e.g., leaching to lower soil layers or uptake by organisms. Thus, in natural conditions, plants may be subjected to post-metal-stress conditions. The review also discusses the mechanism behind efficient recovery and the impact of post metal stress on future plant performance—possible acquisition of stress memory, adaptation to unfavorable conditions and cross-tolerance towards other stress factors.https://www.mdpi.com/2223-7747/10/3/450cadmiumleadcopperzinctoxicitygenotoxicity
spellingShingle Jagna Chmielowska-Bąk
Joanna Deckert
Plant Recovery after Metal Stress—A Review
Plants
cadmium
lead
copper
zinc
toxicity
genotoxicity
title Plant Recovery after Metal Stress—A Review
title_full Plant Recovery after Metal Stress—A Review
title_fullStr Plant Recovery after Metal Stress—A Review
title_full_unstemmed Plant Recovery after Metal Stress—A Review
title_short Plant Recovery after Metal Stress—A Review
title_sort plant recovery after metal stress a review
topic cadmium
lead
copper
zinc
toxicity
genotoxicity
url https://www.mdpi.com/2223-7747/10/3/450
work_keys_str_mv AT jagnachmielowskabak plantrecoveryaftermetalstressareview
AT joannadeckert plantrecoveryaftermetalstressareview