Redox Mechanisms and Plant Tolerance Under Heavy Metal Stress: Genes and Regulatory Networks

Shahid, Muhammad; Natasha,; Khalid, Sana; Abbas, Ghulam; Niazi, Nabeel Khan; Murtaza, Behzad; Rashid, Muhammad Imtiaz; Bibi, Irshad

doi:10.1007/978-3-030-19103-0_5

Cited by 7 publications

(4 citation statements)

References 204 publications

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“…Compared to metal chelators, prominent groups of heavy metal ion transport families are P-type ATPases and the cation antiporters, such as HMA (Heavy metal ATPase), ABC (the ATP-binding cassette), NRAMP (Natural resistance and macrophage protein), CDF (Cation Diffusion Facilitator), yellow-stripe-like (YSL) transporter, ZIP (the Zrt, Irt-like proteins), CAX (the cation exchanger), CTR (the copper transporters), pleiotropic drug resistance (PDR) transporters, and metal responsive transcription factor 1 (MTF-1), distributing at plasma membrane or on tonoplast membrane of cell [10][11][12][13][14]. For HMA hyperaccumulators, vacuolar compartmentalization and HMs ion long-distance translocation that depends on P-type ATPases and a set of tonoplast transporters play important role in heavy metals homeostasis [15][16][17].…”

Section: ]mentioning

confidence: 99%

Genome-wide identification and function analysis of HMAD gene family in cotton (Gossypium spp.)

Wang

Chen

et al. 2021

BMC Plant Biol

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Background The abiotic stress such as soil salinization and heavy metal toxicity has posed a major threat to sustainable crop production worldwide. Previous studies revealed that halophytes were supposed to tolerate other stress including heavy metal toxicity. Though HMAD (heavy-metal-associated domain) was reported to play various important functions in Arabidopsis, little is known in Gossypium. Results A total of 169 G. hirsutum genes were identified belonging to the HMAD gene family with the number of amino acids ranged from 56 to 1011. Additionally, 84, 76 and 159 HMAD genes were identified in each G. arboreum, G. raimondii and G. barbadense, respectively. The phylogenetic tree analysis showed that the HMAD gene family were divided into five classes, and 87 orthologs of HMAD genes were identified in four Gossypium species, such as genes Gh_D08G1950 and Gh_A08G2387 of G. hirsutum are orthologs of the Gorai.004G210800.1 and Cotton_A_25987 gene in G. raimondii and G. arboreum, respectively. In addition, 15 genes were lost during evolution. Furthermore, conserved sequence analysis found the conserved catalytic center containing an anion binding (CXXC) box. The HMAD gene family showed a differential expression levels among different tissues and developmental stages in G. hirsutum with the different cis-elements for abiotic stress. Conclusions Current study provided important information about HMAD family genes under salt-stress in Gossypium genome, which would be useful to understand its putative functions in different species of cotton.

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Section: ]mentioning

confidence: 99%

Genome-wide identification and function analysis of HMAD gene family in cotton (Gossypium spp.)

Wang

Chen

et al. 2021

BMC Plant Biol

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“…Among these mechanisms, the production of chelating agents (e.g., organic acids, nicotianamine, and glutathione) and the compartmentalization away from the cytoplasm contribute to detoxify metals [ 10 , 14 ]. Furthermore, the activation of redox detoxification and signalling pathways, including also hormones such as jasmonic acid, ethylene, and salicylic acid, are involved in plant tolerance by coordinating defence responses and mitigating potential cellular damages [ 10 , 15 , 16 , 17 ] ( Figure 1 ).…”

Section: Introductionmentioning

confidence: 99%

Epigenetic Control of Plant Response to Heavy Metals

Fasani,

Giannelli,

Varotto

et al. 2023

Plants

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Plants are sessile organisms that must adapt to environmental conditions, such as soil characteristics, by adjusting their development during their entire life cycle. In case of low-distance seed dispersal, the new generations are challenged with the same abiotic stress encountered by the parents. Epigenetic modification is an effective option that allows plants to face an environmental constraint and to share the same adaptative strategy with their progeny through transgenerational inheritance. This is the topic of the presented review that reports the scientific progress, up to date, gained in unravelling the epigenetic response of plants to soil contamination by heavy metals and metalloids, collectively known as potentially toxic elements. The effect of the microbial community inhabiting the rhizosphere is also considered, as the evidence of a transgenerational transfer of the epigenetic status that contributes to the activation in plants of response mechanisms to soil pollution.

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“…Other crop species may be used for bioenergy production but considering the phytotoxicity of HM, the plant resistance mechanisms have to set up to mitigate. The repair of toxic-associated damages consumes metabolic energy which cannot be affected for growing processes and this often lead to a decrease in biomass production (Kim et al 2017;Shahid et al 2019). Consequently the costs associated with environmental pollution are potentially enormous (Etesami et al 2018).…”

Section: Introductionmentioning

confidence: 99%

Silicon Reduces Zinc Absorption and Trigger Oxidative Tolerance Processes Without Impacting Growth in Young Plants of Hemp (Cannabis Sativa L.)

Luyckx

Hausman

Guerriero

et al. 2022

Preprint

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Hemp (Cannabis sativa L.) is a promising crop for non-food agricultural production on soils contaminated by moderate doses of heavy metals, while silicon, as a beneficial element, is frequently reported to improve stressed plants behavior. Using a hydroponic system, plants of Cannabis sativa (cv. Santhica 27) were exposed for one week to 100 µM Zn in the presence or absence of 2 mM Si. Zinc accumulated in all plants organs but was mainly sequestered in the roots. Additional Si reduced Zn absorption but had no impact on Zn translocation. Zn accumulation had a negative impact on biomass and chlorophyll content but additional Si did not mitigate these symptoms. Exogenous Si reduced the Zn-induced membrane lipid peroxidation (assessed by malondialdehyde quantification) and increased the total antioxidant activities estimated by the FRAP index. In the absence of Si, leaf phytochelatin and total glutathione were the highest in Zn-treated plants and Si significantly decreased their concentrations. Additional approaches using omics strategies and histological localization of element will provide interesting information regarding the interaction of Zn and Si in hemp.

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Redox Mechanisms and Plant Tolerance Under Heavy Metal Stress: Genes and Regulatory Networks

Cited by 7 publications

References 204 publications

Genome-wide identification and function analysis of HMAD gene family in cotton (Gossypium spp.)

Genome-wide identification and function analysis of HMAD gene family in cotton (Gossypium spp.)

Epigenetic Control of Plant Response to Heavy Metals

Silicon Reduces Zinc Absorption and Trigger Oxidative Tolerance Processes Without Impacting Growth in Young Plants of Hemp (Cannabis Sativa L.)

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