Screening Indian Mustard Genotypes for Phytoremediating Arsenic‐Contaminated Soils

Ansari, Mohd Kafeel Ahmad; Shao, Hongbo; Umar, Shahid; Ahmad, Altaf; Ansari, S. H.; Iqbal, Muhammad; Owens, Gary

doi:10.1002/clen.201100752

Cited by 31 publications

(15 citation statements)

References 52 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…napus (Ali et al 2014b). The decrease in biomass might be due to enhanced cell permeability and tissue loss (Ansari et al 2013). Decrease in biomass also confirms that As affects the growth of plants at higher concentrations (Chun et al 2007;Quaghebeur and Rengel 2004) Chlorophyll biosynthesis has been influenced by heavy metals.…”

Section: Discussionmentioning

confidence: 85%

Oxidative injury and antioxidant enzymes regulation in arsenic-exposed seedlings of four Brassica napus L. cultivars

Farooq

Ali

et al. 2015

Environ Sci Pollut Res

View full text Add to dashboard Cite

Environmental contamination due to arsenic (As) has become a major risk throughout the world; this affects plant growth and productivity. Its accumulation in food chain may pose a severe threat to organisms. The present study was carried out to observe the toxic effects of As (0, 50, 100, and 200 μM) on physiological and biochemical changes in four Brassica napus cultivars (ZS 758, Zheda 619, ZY 50, and Zheda 622). Results showed that As toxicity provoked a significant inhibition in growth parameters of B. napus cultivars and this reduction was more obvious in cultivar Zheda 622. The highest concentration of MDA, H2O2, and O2 (-) contents in both leaf and root tissues were observed at 200 μM As level, and a gradual decrease was observed at lower concentrations. Increasing As concentration gradually decreased chlorophyll and carotenoids contents. Activity of antioxidant enzymes such as SOD, CAT, APX, GR, and GSH was positively correlated with As treatments in all cultivars. The microscopic study of leaves and roots at 200 μM As level showed the disorganization in cell organelles. Disturbance in the morphology of chloroplast, broken cell wall, increase in size, and number of starch grains and immature nucleus were found in leaf ultrastructures under higher concentration of As. Moreover, damaged nucleus, diffused cell wall, enlarged vacuoles, and a number of mitochondria were observed in root tip cells at 200 μM As level. These results suggest that B. napus cultivars have efficient mechanism to tolerate As toxicity, as evidenced by an increased level of antioxidant enzymes.

show abstract

Section: Discussionmentioning

confidence: 85%

Oxidative injury and antioxidant enzymes regulation in arsenic-exposed seedlings of four Brassica napus L. cultivars

Farooq

Ali

et al. 2015

Environ Sci Pollut Res

View full text Add to dashboard Cite

show abstract

“…Increasing concentration of Fe (40, 80, and 160 mM) enhanced lipid peroxidation in Bacopa monnieri (Sinha and Basant 2009). Similarly, elevation in lipid peroxidation in a number of plants due to their exposure to Cu (Posmyk et al 2009;Opdenakker et al 2012;Singh et al 2012;Thounaojam et al 2012;Elleuch et al 2013;Ansari et al 2013a), Ni (Kazemi et al 2010;Gajewska et al 2012), Se (Malik et al 2012), As (Ansari et al 2013b), Pb (Qureshi et al 2007;Maldonado-Magaña et al 2011), Cr (Diwan et al 2008;2010), and some other heavy metals/metalloids was reported to be dependent on their doses and plant types (Sytar et al 2013). The main site of attack by any redox active metal in a plant cell is usually the cell membrane.…”

Section: Metals/metalloidsmentioning

confidence: 94%

Lipids and proteins—major targets of oxidative modifications in abiotic stressed plants

Anjum

Sofo

Scopa

et al. 2014

Environ Sci Pollut Res

Self Cite

275

160

View full text Add to dashboard Cite

Stress factors provoke enhanced production of reactive oxygen species (ROS) in plants. ROS that escape antioxidant-mediated scavenging/detoxification react with biomolecules such as cellular lipids and proteins and cause irreversible damage to the structure of these molecules, initiate their oxidation, and subsequently inactivate key cellular functions. The lipid- and protein-oxidation products are considered as the significant oxidative stress biomarkers in stressed plants. Also, there exists an abundance of information on the abiotic stress-mediated elevations in the generation of ROS, and the modulation of lipid and protein oxidation in abiotic stressed plants. However, the available literature reflects a wide information gap on the mechanisms underlying lipid- and protein-oxidation processes, major techniques for the determination of lipid- and protein-oxidation products, and on critical cross-talks among these aspects. Based on recent reports, this article (a) introduces ROS and highlights their relationship with abiotic stress-caused consequences in crop plants, (b) examines critically the various physiological/biochemical aspects of oxidative damage to lipids (membrane lipids) and proteins in stressed crop plants, (c) summarizes the principles of current technologies used to evaluate the extent of lipid and protein oxidation, (d) synthesizes major outcomes of studies on lipid and protein oxidation in plants under abiotic stress, and finally, (e) considers a brief cross-talk on the ROS-accrued lipid and protein oxidation, pointing to the aspects unexplored so far.

show abstract

“…Hyperaccumulator species are capable of accumulating contaminants at levels 100‐fold greater than those typically measured in common non‐accumulator plants. Most hyperaccumulators bioconcentrate nickel (Ni), cobalt (Co), copper (Cu), and/or zinc (Zn) , for example, the Indian variety of Brassica juncea Pusa Jai kisan was reported for hyperaccumulating Cu and arsenic (As) contaminated soil . A detailed understanding of mechanism of uptake/translocation and sequestration of contaminants by hyperaccumulators can lead to understanding the molecular mechanism of accumulation and tolerance in these plants.…”

Section: Introductionmentioning

confidence: 99%

Accumulation of Fluoride by Plants: Potential for Phytoremediation

Baunthiyal

Ranghar

2013

CLEAN Soil Air Water

View full text Add to dashboard Cite

Fluoride pollution is now recognized as a global problem. The reason fluorides are considered as serious contaminants even when they are present at low levels is that they persist for a long time in air, soil, and water and exert negative effects at all levels of an ecosystem. Thus, immediate attention is the need of the hour to remediate the environment from F pollution. Till date, the conventional methods have been developed primarily to remove F from water. These methods are very slow and expensive. Besides, not much research has been done so far to remediate F from soil. This review focuses on the uptake and accumulation of F by certain aquatic and land plant species. Exploring these plants by analysis of their tissues for accumulated contaminants may open up several opportunities to be utilized to remediate F rich water and soil.

show abstract

Screening Indian Mustard Genotypes for Phytoremediating Arsenic‐Contaminated Soils

Cited by 31 publications

References 52 publications

Oxidative injury and antioxidant enzymes regulation in arsenic-exposed seedlings of four Brassica napus L. cultivars

Oxidative injury and antioxidant enzymes regulation in arsenic-exposed seedlings of four Brassica napus L. cultivars

Lipids and proteins—major targets of oxidative modifications in abiotic stressed plants

Accumulation of Fluoride by Plants: Potential for Phytoremediation

Contact Info

Product

Resources

About