Copper accumulation, localization and antioxidant response in Eclipta alba L. in relation to quantitative variation of the metal in soil

Chandrasekhar, C. N.; Ray, Joseph George

doi:10.1007/s11738-017-2508-4

Cited by 34 publications

(16 citation statements)

References 40 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Moreover, plants species which can generate high shoot (above-ground) biomass and have the capacity to accumulate heavy metals could be utilized for phytoextraction purposes including exclusion of heavy metals from contaminated soil [25,27]. Various examinations demonstrate the phytotoxic effects of increased levels of Cu on plant growth and biomass cultivated in Cu contaminated soil [6,30,52]. In our previous study on kenaf (Hibiscus cannabinus L.) seedlings, when exposed to short-term (14 days) exposure of Cu-stress, we concluded that increasing concentration of Cu (60, 120, and 180 µM) in the nutrient solution, significantly decreased plant height, plant diameter, total fresh and dry biomass of the plant compared to the control treatment [16].…”

Section: Discussionmentioning

confidence: 99%

“…Cu in excess causes generation of reactive oxygen species (ROS) such as superoxide radical (O .-), H 2 O 2 , singlet oxygen ( 1 O 2 ), and hydroxyl radicals (OH) [6,11,53,56]. Plants have a variety of antioxidants such as superoxide dismutase (SOD) and peroxidase (POD) and some specific metabolites play a key role in adaptation and survival of plants under metal toxicity.…”

Section: Discussionmentioning

confidence: 99%

“…Up-regulation of activity of various antioxidative enzymes shows the capacity of plants to scavenge excessive ROS in the cells. The enhanced activities of antioxidant enzymes might be due to the increased level of ROS [6,30,52]. Plants try to survive under stressful environments, by activating enzymatic defense system, which scavenges ROS by regulating the K + efflux and electron transport chain [11,53,58].…”

Section: Discussionmentioning

confidence: 99%

“…Copper (Cu) has been recognized an essential micronutrient required for normal growth and development by all living organisms [1][2][3]. Moreover, Cu plays a significant role in many physiological, biochemical and metabolic processes such as oxidation-reduction reactions, protein synthesis, oxygen carrier (hemocyanin) synthesis, carbohydrate, protein, and cell wall metabolism, nitrate reductase, and nitrogen fixation mechanisms [4][5][6]. However, Cu in cells need to be kept at low levels because excessive Cu can alter DNA structure, membrane integrity, photosynthesis, alterations in chloroplast structure and respiration which affect plant growth and development [7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Effect of Citric Acid on Growth, Ecophysiology, Chloroplast Ultrastructure, and Phytoremediation Potential of Jute (Corchorus capsularis L.) Seedlings Exposed to Copper Stress

et al. 2020

View full text Add to dashboard Cite

Soil and water contamination from heavy metals and metalloids is one of the most discussed and caused adverse effects on food safety and marketability, crop growth due to phytotoxicity, and environmental health of soil organisms. A hydroponic investigation was executed to evaluate the influence of citric acid (CA) on copper (Cu) phytoextraction potential of jute (Corchorus capsularis L.). Three-weeks-old seedlings of C. capsularis were exposed to different Cu concentrations (0, 50, and 100 μM) with or without the application of CA (2 mM) in a nutrient growth medium. The results revealed that exposure of various levels of Cu by 50 and 100 μM significantly (p < 0.05) reduced plant growth, biomass, chlorophyll contents, gaseous exchange attributes, and damaged ultra-structure of chloroplast in C. capsularis seedlings. Furthermore, Cu toxicity also enhanced the production of malondialdehyde (MDA) which indicated the Cu-induced oxidative damage in the leaves of C. capsularis seedlings. Increasing the level of Cu in the nutrient solution significantly increased Cu uptake by the roots and shoots of C. capsularis seedlings. The application of CA into the nutrient medium significantly alleviated Cu phytotoxicity effects on C. capsularis seedlings as seen by plant growth and biomass, chlorophyll contents, gaseous exchange attributes, and ultra-structure of chloroplast. Moreover, CA supplementation also alleviated Cu-induced oxidative stress by reducing the contents of MDA. In addition, application of CA is helpful in increasing phytoremediation potential of the plant by increasing Cu concentration in the roots and shoots of the plants which is manifested by increasing the values of bioaccumulation (BAF) and translocation factors (TF) also. These observations depicted that application of CA could be a useful approach to assist Cu phytoextraction and stress tolerance against Cu in C. capsularis seedlings grown in Cu contaminated sites.

show abstract

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Effect of Citric Acid on Growth, Ecophysiology, Chloroplast Ultrastructure, and Phytoremediation Potential of Jute (Corchorus capsularis L.) Seedlings Exposed to Copper Stress

et al. 2020

View full text Add to dashboard Cite

show abstract

“…The elevating activities of antioxidants under stressful condition possibly due to the changes in some gene functions and different proteins in the plant species. Previously, elevating levels of Cu in the medium significantly enhanced antioxidant activities in moso bamboo, Orzya sativa, and Eclipta alba [13,58,59]. The high concentration of ROS is toxic to plants, but plants have specialised defence systems that can reduce ROS toxicity [19,56].…”

Section: Effect Of Cu On Oxidative Stress and Antioxidative Activitiesmentioning

confidence: 99%

Copper Uptake and Accumulation, Ultra-Structural Alteration, and Bast Fibre Yield and Quality of Fibrous Jute (Corchorus capsularis L.) Plants Grown under Two Different Soils of China

Saleem

Ali

Irshad

et al. 2020

Plants

View full text Add to dashboard Cite

Copper (Cu) is an essential heavy metal for plants, but high Cu concentration in the soil causes phytotoxicity. Some plants, however, possess a system that can overcome Cu toxicity, such as Cu localization, and an active antioxidant defence system to reduce oxidative damage induced by high Cu concentration. The present study was conducted to explore the phytoremediation potential, morpho-physiological traits, antioxidant capacity, and fibre quality of jute (Corchorus capsularis) grown in a mixture of Cu-contaminated soil and natural soil at ratios of 0:1 (control), 1:0, 1:1, 1:2 and 1:4. Our results showed that high Cu concentration in the soil decreased plant growth, plant biomass, chlorophyll content, gaseous exchange, and fibre yield while increasing reactive oxygen species (ROS), which indicated oxidative stress induced by high Cu concentration in the soil. Antioxidant enzymes, such as superoxidase dismutase (SOD), peroxidase (POD), catalase (CAT) and ascorbate peroxidase (APX) scavenge ROS in plant cells/tissues. Furthermore, high Cu concentration did not significantly worsen the fibre quality of C. capsularis, and this plant was able to accumulate a large amount of Cu, with higher Cu accumulation in its shoots than in its roots. Transmission electron microscopy (TEM) revealed that Cu toxicity affected different organelles of C. capsularis, with the chloroplast as the most affected organelle. On the basis of these results, we concluded that high Cu concentration was toxic to C. capsularis, reducing crop yield and plant productivity, but showing little effect on plant fibre yield. Hence, C. capsularis, as a fibrous crop, can accumulate a high concentration of Cu when grown in Cu-contaminated sites.

show abstract

Heavy metal phytoremediation of a poplar clone in a contaminated soil in southern Italy

Ancona

Caracciolo

Campanale

et al. 2019

J of Chemical Tech & Biotech

View full text Add to dashboard Cite

BACKGROUND The Monviso clone previously tested successfully to remediate a lindane‐contaminated soil in central Italy was then applied in a historically heavy metal contaminated area in southern Italy. RESULTS The results obtained at 900 days from the poplar planting showed a strong decrease below Italian national legal limits (D.Lgs 152/06) for most heavy metals (HMs). The highest reduction of HM concentrations was observed in soil samples collected near the trunk (25 cm distant from poplar) and in the rhizosphere. The values of the HM bioaccumulation factor (BAF, considering roots and leaves) and of the translocation factor (TF) suggest that poplar trees were able to phytostabilize HMs. The soil organic carbon content increased compared to the previous sampling in all plots planted. The highest values were observed for the rhizosphere soils of each target tree, while the phosphorous available strongly decreased. Microbial results showed an overall increase in cell viability, dehydrogenase activity and microbial abundance of some bacterial groups. CONCLUSION Overall results showed that the poplar‐based phytoremediation strategy was able to promote the phytostabilization of the HMs and to improve the soil quality in terms of both organic carbon content and microbial community structure and activity. © 2019 Society of Chemical Industry

show abstract

Copper accumulation, localization and antioxidant response in Eclipta alba L. in relation to quantitative variation of the metal in soil

Cited by 34 publications

References 40 publications

Effect of Citric Acid on Growth, Ecophysiology, Chloroplast Ultrastructure, and Phytoremediation Potential of Jute (Corchorus capsularis L.) Seedlings Exposed to Copper Stress

Effect of Citric Acid on Growth, Ecophysiology, Chloroplast Ultrastructure, and Phytoremediation Potential of Jute (Corchorus capsularis L.) Seedlings Exposed to Copper Stress

Copper Uptake and Accumulation, Ultra-Structural Alteration, and Bast Fibre Yield and Quality of Fibrous Jute (Corchorus capsularis L.) Plants Grown under Two Different Soils of China

Heavy metal phytoremediation of a poplar clone in a contaminated soil in southern Italy

Contact Info

Product

Resources

About