The roles of selenium in protecting plants against abiotic stresses

doi:10.1016/J.ENVEXPBOT.2012.09.002

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The roles of selenium in protecting plants against abiotic stresses

Journal Article•DOI•

The roles of selenium in protecting plants against abiotic stresses

Renwei Feng, Chaoyang Wei¹, Shuxin Tu²•Institutions (2)

Chinese Academy of Sciences¹, Huazhong Agricultural University²

01 Mar 2013-Environmental and Experimental Botany (Elsevier)-Vol. 87, pp 58-68

TL;DR: The effects of Se on HM-induced stress in plants is reviewed, with an emphasis on the potential roles of Se compounds (e.g., selenite and selenate) in conferring tolerance against abiotic stresses.

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About: This article is published in Environmental and Experimental Botany.The article was published on 2013-03-01. It has received 560 citations till now. The article focuses on the topics: Abiotic stress.

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Journal Article•DOI•

Selenium and sulfur influence ethylene formation and alleviate cadmium-induced oxidative stress by improving proline and glutathione production in wheat

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M. Iqbal R. Khan¹, Faroza Nazir¹, Mohd Asgher¹, Tasir S. Per¹, Nafees A. Khan¹ - Show less +1 more•Institutions (1)

Aligarh Muslim University¹

15 Jan 2015-Journal of Plant Physiology

TL;DR: Se or S-induced regulatory interaction between ethylene and proline and GSH metabolism may be used for the reversal of Cd-induced oxidative stress.

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366 citations

Journal Article•DOI•

Cadmium in plants: uptake, toxicity, and its interactions with selenium fertilizers

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Marwa A. Ismael¹, Marwa A. Ismael², Ali Mohamed Elyamine¹, Mohamed G. Moussa³, Mohamed G. Moussa¹, Miaomiao Cai¹, Xiaohu Zhao¹, Chengxiao Hu¹ - Show less +4 more•Institutions (3)

Huazhong Agricultural University¹, Fayoum University², Egyptian Atomic Energy Authority³

20 Feb 2019-Metallomics

TL;DR: The beneficial effects of Se on plants under Cd stress, and how it can minimize or mitigate Cd toxicity in plants is discussed.

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Abstract: Cd is the third major contaminant of greatest hazard to the environment after mercury and lead and is considered as the only metal that poses health risks to both humans and animals at plant tissue concentrations that are generally not phytotoxic. Cd accumulation in plant shoots depends on Cd entry through the roots, sequestration within root vacuoles, translocation in the xylem and phloem, and Cd dilution within the plant shoot throughout its growth. Several metal transporters, processes, and channels are involved from the first step of Cd reaching the root cells and until its final accumulation in the edible parts of the plant. It is hard to demonstrate one step as the pivotal factor to decide the Cd tolerance or accumulation ability of plants since the role of a specific transporter/process varies among plant species and even cultivars. In this review, we discuss the sources of Cd pollutants, Cd toxicity to plants, and mechanisms of Cd uptake and redistribution in plant tissues. The metal transporters involved in Cd transport within plant tissues are also discussed and how their manipulation can control Cd uptake and/or translocation. Finally, we discuss the beneficial effects of Se on plants under Cd stress, and how it can minimize or mitigate Cd toxicity in plants.

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319 citations

Journal Article•DOI•

Selenium accumulation by plants

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Philip J. White¹•Institutions (1)

James Hutton Institute¹

29 Dec 2015-Annals of Botany

TL;DR: The ability to tolerate large tissue Se concentrations is primarily related to the ability to divert Se away from the accumulation of selenocysteine and selenomethionine, which might be incorporated into non-functional proteins, through the synthesis of less toxic Se metabilites.

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292 citations

Cites background from "The roles of selenium in protecting..."

...…be a beneficial element since it can stimulate growth, confer tolerance to environmental factors inducing oxidative stress, and provide resistance to pathogens and herbivory (Quinn et al., 2007; Pilon-Smits et al., 2009; White and Brown, 2010; El Mehdawi and Pilon-Smits, 2012; Feng et al., 2013)....
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Journal Article•DOI•

A critical review of selenium biogeochemical behavior in soil-plant system with an inference to human health.

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Natasha¹, Muhammad Shahid¹, Nabeel Khan Niazi², Nabeel Khan Niazi³, Nabeel Khan Niazi⁴, Sana Khalid¹, Behzad Murtaza¹, Irshad Bibi², Muhammad Rashid¹ - Show less +5 more•Institutions (4)

COMSATS Institute of Information Technology¹, University of Agriculture, Faisalabad², Southern Cross University³, University of Bremen⁴

01 Mar 2018-Environmental Pollution

TL;DR: This review traces a plausible link among Se levels, sources, speciation, bioavailability, and effect of soil chemical properties on selenium bioavailability/speciation in soil; role of different protein transporters in soil-root-shoot transfer of Se; and the potential role of Se in different human disorders/diseases.

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292 citations

Journal Article•DOI•

An Overview of Hazardous Impacts of Soil Salinity in Crops, Tolerance Mechanisms, and Amelioration through Selenium Supplementation.

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Muhammad Kamran¹, Aasma Parveen², Sunny Ahmar¹, Zaffar Malik², Sajid Hussain³, Muhammad Sohaib Chattha¹, Muhammad Hamzah Saleem¹, Muhammad Adil⁴, Parviz Heidari⁵, Jen-Tsung Chen⁶ - Show less +6 more•Institutions (6)

Huazhong Agricultural University¹, Islamia University², Rice University³, Northwest University (China)⁴, University of Shahrood⁵, National University of Kaohsiung⁶

24 Dec 2019-International Journal of Molecular Sciences

TL;DR: This review refines the knowledge involved in Se-mediated improvements of plant growth when subjected to salinity and suggests future perspectives as well as several research limitations in this field.

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Abstract: Soil salinization is one of the major environmental stressors hampering the growth and yield of crops all over the world. A wide spectrum of physiological and biochemical alterations of plants are induced by salinity, which causes lowered water potential in the soil solution, ionic disequilibrium, specific ion effects, and a higher accumulation of reactive oxygen species (ROS). For many years, numerous investigations have been made into salinity stresses and attempts to minimize the losses of plant productivity, including the effects of phytohormones, osmoprotectants, antioxidants, polyamines, and trace elements. One of the protectants, selenium (Se), has been found to be effective in improving growth and inducing tolerance against excessive soil salinity. However, the in-depth mechanisms of Se-induced salinity tolerance are still unclear. This review refines the knowledge involved in Se-mediated improvements of plant growth when subjected to salinity and suggests future perspectives as well as several research limitations in this field.

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263 citations

Cites background from "The roles of selenium in protecting..."

...Under the availability of Se, GSH-Px activity might be modulated due to higher selenocysteine formation at the catalytic site of GSH-Px [27,173]....
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...The enhanced activity of GSH-Px and GR lowered the levels of H2O2 and MDA and improved the growth of rapeseed (Brassica napus L.) and rice (Oryza sativa L.) plants by overcoming ROS-stimulated oxidative damage under soil salinity stress [24]....
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...Under salinity stress, regardless of the mode of Se application, Se enhanced the GSH-Px and GR activity compared to controls [27,28]....
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...It is believed that enzymatic and non-enzymatic antioxidants, such as SOD, POD, APX, CAT, GSH-Px, and GR, are positively interconnected in response to Se supplementation to induce salinity tolerance in crop plants [22,131]....
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...Abbreviations Se-NPs Selenium-nanoparticles GSH Reduced glutathione GSSG Oxidized glutathione DHAR Dehydroascorbate reductase MDHAR Monodehydroascorbate reductase GST Glutathione S-transferase GR Glutathione reductase POX peroxidase PAL Activity of phenylalanine ammonia-lyase GSH-Px Glutathione peroxidase CAT Catalase activity APX Ascorbate peroxidase activity SOD Superoxide dismutase activity POD Peroxidase activity GPX Glutathione peroxidase activity MDAR Monodehydroascorbate reductase activity RWC Relative water contents TBARS Thiobarbituric acid reactive substances NPQ Non-photochemical quenching MDA Malondialdehyde RuBPCase Ribulose-1,5-bisphosphate-carboxylase/oxygenase content SPAD Chlorophyll content in leaves H2O2 Hydrogen peroxide ATP Adenosine triphosphate NADP+ Nicotinamide adenine dinucleotide phosphate MAPK Mitogen activated protein kinase gene CPK Calcium dependent protein kinase gen NADK2 NAD kinase2 gene ALMT Aluminum-activated malate transporters SULTRs Sulfate transporters γ-GK γ-Glutamyl kinase NHX Sodium/hydrogen (Na+/H+) exchanger gene PSII Photosystem II NPK Nitrogen, phosphorous, and potassium...
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References

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Oxidative stress, antioxidants and stress tolerance

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Ron Mittler¹•Institutions (1)

Iowa State University¹

01 Sep 2002-Trends in Plant Science

TL;DR: Key steps of the signal transduction pathway that senses ROIs in plants have been identified and raise several intriguing questions about the relationships between ROI signaling, ROI stress and the production and scavenging ofROIs in the different cellular compartments.

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9,395 citations

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Production and scavenging of reactive oxygen species in chloroplasts and their functions.

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Kozi Asada¹•Institutions (1)

Fukuyama University¹

01 Jun 2006-Plant Physiology

TL;DR: The reaction centers of PSI and PSII in chloroplast thylakoids are the major generation site of reactive oxygen species (ROS) and the primary reduced product was identified.

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Abstract: The reaction centers of PSI and PSII in chloroplast thylakoids are the major generation site of reactive oxygen species (ROS). Photoreduction of oxygen to hydrogen peroxide (H2O2) in PSI was discovered over 50 years ago by [Mehler (1951)][1]. Subsequently, the primary reduced product was identified

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2,385 citations

Journal Article•DOI•

Selenium as an integral part of factor 3 against dietary necrotic liver degeneration. 1951.

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Klaus Schwarz, Calvin M. Foltz

01 Jun 1957-Nutrition

1,676 citations

Journal Article•DOI•

Selenium in higher plants.

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Norman Terry¹, Adel Zayed, M. P. de Souza, Alice S. Tarun•Institutions (1)

University of California, Berkeley¹

28 Nov 2003

TL;DR: Recent advances in the understanding of the plant's ability to metabolize Se into volatile Se forms (phytovolatilization) are discussed, along with the application of phytoremediation for the cleanup of Se contaminated environments.

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Abstract: Plants vary considerably in their physiological response to selenium (Se). Some plant species growing on seleniferous soils are Se tolerant and accumulate very high concentrations of Se (Se accumulators), but most plants are Se nonaccumulators and are Se-sensitive. This review summarizes knowledge of the physiology and biochemistry of both types of plants, particularly with regard to Se uptake and transport, biochemical pathways of assimilation, volatilization and incorporation into proteins, and mechanisms of toxicity and tolerance. Molecular approaches are providing new insights into the role of sulfate transporters and sulfur assimilation enzymes in selenate uptake and metabolism, as well as the question of Se essentiality in plants. Recent advances in our understanding of the plant's ability to metabolize Se into volatile Se forms (phytovolatilization) are discussed, along with the application of phytoremediation for the cleanup of Se contaminated environments.

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1,243 citations

"The roles of selenium in protecting..." refers background in this paper

...In non-accumulating plants, the substitution of Se for S to form Secontaining proteins is considered a major mechanism of Se toxicity (Terry et al., 2000)....
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Journal Article•DOI•

Arsenic uptake and metabolism in arsenic resistant and nonresistant plant species

[...]

Andrew A. Meharg¹, Jeanette Hartley-Whitaker•Institutions (1)

University of Aberdeen¹

01 Apr 2002-New Phytologist

TL;DR: This review synthesizes current knowledge on arsenic uptake, metabolism and toxicity for arsenic resistant and nonresistant plants, including the recently discovered phenomenon of arsenic hyperaccumulation in certain fern species.

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Abstract: Summary Elevation of arsenic levels in soils causes considerable concern with respect to plant uptake and subsequent entry into wildlife and human food chains. Arsenic speciation in the environment is complex, existing in both inorganic and organic forms, with interconversion between species regulated by biotic and abiotic processes. To understand and manage the risks posed by soil arsenic it is essential to know how arsenic is taken up by the roots and metabolized within plants. Some plant species exhibit phenotypic variation in response to arsenic species, which helps us to understand the toxicity of arsenic and the way in which plants have evolved arsenic resistances. This knowledge, for example, could be used produce plant cultivars that are more arsenic resistant or that have reduced arsenic uptake. This review synthesizes current knowledge on arsenic uptake, metabolism and toxicity for arsenic resistant and nonresistant plants, including the recently discovered phenomenon of arsenic hyperaccumulation in certain fern species. The reasons why plants accumulate and metabolize arsenic are considered in an evolutionary context.

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1,146 citations