Chromium tolerance, bioaccumulation and localization in plants: An overview

Sinha, V. B.; Pakshirajan, Kannan; Chaturvedi, Rakhi

doi:10.1016/j.jenvman.2017.10.033

Cited by 135 publications

(41 citation statements)

References 126 publications

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“…). Cr(VI) is a toxic metal and after its entry into plants it initiates a ranges of unfavorable changes (Eleftheriou et al , Pokorska‐Niewiada et al , Sinha et al , Srivastava et al ) and thus, the obtained results are justifiable. We have also noticed that Cr(VI) significantly declined qP and the amount of total chlorophyll (Table , Fig.…”

Section: Discussionmentioning

confidence: 96%

“…However, it has been reported that Cr(VI) is transported through sulfate transporters in plants (Kaszycki et al 2005, Kim et al 2006. After its entry in the plant system, Cr(VI) creates wide ranges of physiological, biochemical and molecular alterations starting from seed germination to plant death (Eleftheriou et al 2015, Pokorska-Niewiada et al 2018, Sinha et al 2018, Srivastava et al 2019. Thus, continuous investigation of the toxicological impact of Cr(VI) in plants is needed in order to develop strategies for its toxicity mitigation.…”

Section: Introductionmentioning

confidence: 99%

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Glutathione and hydrogen sulfide are required for sulfur‐mediated mitigation of Cr(VI) toxicity in tomato, pea and brinjal seedlings

Kushwaha

Singh

2019

Physiologia Plantarum

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In plants, investigation on heavy metal toxicity and its mitigation by nutrient elements have gained much attention. However, mechanism(s) associated with nutrients‐mediated mitigation of metal toxicity remain elusive. In this study, we have investigated the role and interrelation of glutathione (GSH) and hydrogen sulfide (H2S) in the regulation of hexavalent chromium [Cr(VI)] toxicity in tomato (Solanum lycopersicum), pea (Pisum sativum) and brinjal (Solanum melongena) seedlings, supplemented with additional sulfur (S). The results show that Cr(VI) significantly reduced growth, total chlorophyll and photosynthetic quantum yield of tomato, pea and brinjal seedlings which was accompanied by enhanced intracellular accumulation of Cr(VI) in roots. Moreover, Cr(VI) enhanced the generation of reactive oxygen species in the studied vegetables, while antioxidant defense system exhibited differential responses. However, additional supply of S alleviated Cr(VI) toxicity. Interestingly, addition of l‐buthionine sulfoximine (BSO, a glutathione biosynthesis inhibitor) further increased Cr(VI) toxicity even in the presence of additional S but GSH addition reverses the effect of BSO. Under similar condition, endogenous H2S, l‐cysteine desulfhydrase (DES) activity and cysteine content did not significantly differ when compared to controls. Hydroxylamine (HA, an inhibitor of DES) also increased Cr(VI) toxicity even in the presence of additional S but sodium hydrosulfide (NaHS, an H2S donor) reverses the effect of HA. Moreover, Cr(VI) toxicity amelioration by NaHS was reversed by the addition of hypotaurine (HT, an H2S scavenger). Taken together, the results show that GSH which might be derived from supplied S is involved in the mitigation of Cr(VI) toxicity in which H2S signaling preceded GSH biosynthesis.

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Section: Discussionmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

Glutathione and hydrogen sulfide are required for sulfur‐mediated mitigation of Cr(VI) toxicity in tomato, pea and brinjal seedlings

Kushwaha

Singh

2019

Physiologia Plantarum

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“…According to Davies et al [78] Cr is mostly toxic to higher plants at 100 μg/kg dry weights. Sinha et al [79] reported that Cr is toxic for most agronomic plants at a concentration of about 0.5-5.0 mg/L in nutrient media and of 5-100 mg/g under soil condition. The Cr toxicity in plants affects photosynthesis in terms of CO 2 fixation, photophosphorylation, electron transport, and enzyme activities as reported by H. Oliveira [76,80].…”

Section: Cr(vi) Effects On Human Health and Environmentmentioning

confidence: 99%

Pollution of Water Sources from Agricultural and Industrial Effluents: Special Attention to NO₃ˉ, Cr(VI), and Cu(II)

Breida¹,

Younssi²,

Ouammou³

et al. 2020

Water Chemistry

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One of the most important challenges facing humanity today is to conserve and sustain water resources (either surface water or groundwater). This challenge became more pronounced with the increase of urban, agricultural, and industrial activities that discharge a considerable amount of wastewater. Therefore, the preservation of water sources from pollutants is a major concern, shared by all, public, industrial, scientific, researchers, and decision-makers. This chapter analyzes in more detail the pollution and pollutants caused by agricultural and industrial activities. Particular attention is given to pollution via nitrogen and heavy metals (NO 3 − , Cr(VI), and Cu(II)) in either international or national level. The effect of these pollutants on human health and environment, their standards/regulations, and the different current methods used for their detection and treatment are all discussed in the chapter.

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“…In contrast, Cr(VI) is considered the most deleterious form of chromium owing to its greater water solubility and bioavailability than Cr(III). It has been estimated that the toxicity of Cr(VI) is 100 times more than that of Cr(III) …”

Section: Introductionmentioning

confidence: 99%

“…It has been estimated that the toxicity of Cr(VI) is 100 times more than that of Cr(III). 7,9,10 Cr(VI) is used in tanning, electroplating and cement and dye manufacturing industries and for the production of photographic materials, paints, fungicides, steel and other metal alloys. 11,12 These industries let out effluent bearing Cr(VI) into the environment, eventually harming human health.…”

Section: Introductionmentioning

confidence: 99%

Critical review on microbial fuel cells for concomitant reduction of hexavalent chromium and bioelectricity generation

Aarthy

Rajesh

Thirunavoukkarasu

2019

J of Chemical Tech & Biotech

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Rapid urbanization and industrialization has led to the indiscriminate discharge of heavy metals into the environment. Hexavalent chromium (Cr(VI)), a lethal, carcinogenic and genotoxic heavy metal frequently found in industrial effluent, poses a serious threat to human health. On the other hand, there is a global energy crisis prevalent owing to the scarcity of resources and huge energy demand. An emerging innovative technology which utilizes the biocatalytic activity of microbes for electron production and offers a dual solution for simultaneous reduction of Cr(VI) and generation of bioelectricity is the microbial fuel cell (MFC). The success of the MFC depends on variables such as cell configuration, pH, electrode materials, effect of microbial communities and operational conditions. This review provides a critical insight on the developments in the field of MFCs with abiotic and biotic cathodes, integrated systems, plant‐ and soil‐based designs for treatment of Cr(VI)‐laden effluent and sustainable energy recovery. © 2019 Society of Chemical Industry

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Chromium tolerance, bioaccumulation and localization in plants: An overview

Cited by 135 publications

References 126 publications

Glutathione and hydrogen sulfide are required for sulfur‐mediated mitigation of Cr(VI) toxicity in tomato, pea and brinjal seedlings

Glutathione and hydrogen sulfide are required for sulfur‐mediated mitigation of Cr(VI) toxicity in tomato, pea and brinjal seedlings

Pollution of Water Sources from Agricultural and Industrial Effluents: Special Attention to NO₃ˉ, Cr(VI), and Cu(II)

Critical review on microbial fuel cells for concomitant reduction of hexavalent chromium and bioelectricity generation

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Chromium tolerance, bioaccumulation and localization in plants: An overview

Cited by 135 publications

References 126 publications

Glutathione and hydrogen sulfide are required for sulfur‐mediated mitigation of Cr(VI) toxicity in tomato, pea and brinjal seedlings

Glutathione and hydrogen sulfide are required for sulfur‐mediated mitigation of Cr(VI) toxicity in tomato, pea and brinjal seedlings

Pollution of Water Sources from Agricultural and Industrial Effluents: Special Attention to NO3ˉ, Cr(VI), and Cu(II)

Critical review on microbial fuel cells for concomitant reduction of hexavalent chromium and bioelectricity generation

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About

Pollution of Water Sources from Agricultural and Industrial Effluents: Special Attention to NO₃ˉ, Cr(VI), and Cu(II)