Removal of heavy metals using Iris species: A potential approach for reclamation of heavy metal-polluted sites and environmental beautification

Naing, Aung Htay; Park, Da Young; Park, Hyeong Cheol; Kim, Chang Kil

doi:10.1007/s11356-023-27732-5

Cited by 3 publications

(2 citation statements)

References 110 publications

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“…Ornamental crops are susceptible to heavy metals (HMs), hence global expansion of these metals may hamper the horticulture and ornamental sectors. 1 , 2 Cadmium, one of the potential harmful metals that enters into the soils from industrial and agricultural sources, is considered hazardous, harmful, and toxic. 3 , 4 It is water soluble and mobile in nature.…”

Section: Introductionmentioning

confidence: 99%

Synergistic interplay between melatonin and hydrogen sulfide enhances cadmium-induced oxidative stress resistance in stock ( Matthiola incana L.)

Zulfiqar,

Moosa,

Ali

et al. 2024

Plant Signaling & Behavior

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Ornamental crops particularly cut flowers are considered sensitive to heavy metals (HMs) induced oxidative stress condition. Melatonin (MLT) is a versatile phytohormone with the ability to mitigate abiotic stresses induced oxidative stress in plants. Similarly, signaling molecules such as hydrogen sulfide (H 2 S) have emerged as potential options for resolving HMs related problems in plants. The mechanisms underlying the combined application of MLT and H 2 S are not yet explored. Therefore, we evaluated the ability of individual and combined applications of MLT (100 μM) and H 2 S in the form of sodium hydrosulfide (NaHS), a donor of H 2 S, (1.5 mM) to alleviate cadmium (Cd) stress (50 mg L −1 ) in stock ( Matthiola incana L.) plants by measuring various morpho-physiological and biochemical characteristics. The results depicted that Cd-stress inhibited growth, photosynthesis and induced Cd-associated oxidative stress as depicted by excessive ROS accumulation. Combined application of MLT and H 2 S efficiently recovered all these attributes. Furthermore, Cd stress-induced oxidative stress markers including electrolyte leakage, malondialdehyde, and hydrogen peroxide are partially reversed in Cd-stressed plants by MLT and H 2 S application. This might be attributed to MLT or H 2 S induced antioxidant plant defense activities, which effectively reduce the severity of oxidative stress indicators. Overall, MLT and H 2 S supplementation, favorably regulated Cd tolerance in stock; yet, the combined use had a greater effect on Cd tolerance than the independent application.

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Section: Introductionmentioning

confidence: 99%

Synergistic interplay between melatonin and hydrogen sulfide enhances cadmium-induced oxidative stress resistance in stock ( Matthiola incana L.)

Zulfiqar,

Moosa,

Ali

et al. 2024

Plant Signaling & Behavior

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“…According to Saldarriaga et al (2023); heavy metal contamination has resulted in signi cant environmental issues, ecosystem degradation, and immediate harm to human health. A viable strategy for reclaiming heavy-metal-polluted landscapes and environmental beauti cation was examined by Naing et al (2023) while employing Iris species to remove heavy metals. Around 30% of the world's Hg contamination comes from tropical countries (Saldarriaga et al 2023).…”

Section: Introductionmentioning

confidence: 99%

Costus speciosus (J. Koenig) Sm., a suitable plant species for phytoremediation of crude oil and mercury contaminated soil

Talukdar,

Baruah,

Bhuyan

et al. 2023

Preprint

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The aim of this study was to evaluate the efficiency of Costus speciosus in the degradation of crude oil and mercury (Hg) from the contaminated soil in pot experiments in the net house for 180 days. C. speciosus was transplanted in soil containing 19150 mg kg− 1 crude oil and 3.2 mg kg− 1 Hg. The study includes the evaluation of plant height, root length, total petroleum hydrocarbon (TPH) and Hg degradation in soil, TPH and Hg accumulation in plants grown in fertilized and unfertilized pots, and rhizospheric most probable number (MPN) at 60 days interval. The average biomass production and heights of C. speciosus in contaminated treatments were significantly (p < 0.05) lower compared to the unvegetated control. Plants grown in contaminated soil showed relatively reduced root surface area compared to the uncontaminated treatments. TPH degradation in planted fertilized, unplanted and planted unfertilized pot was 63%, 0.8% and 38% respectively. However, compared to unvegetated treatments, TPH degradation was significantly higher (p < 0.05) in vegetated treatments. Comparison of fertilized and unfertilized soils showed that TPH accumulation in plant roots and shoots was relatively higher in fertilized soils. Hg degradation in soil was significantly (p < 0.05) more in planted treatment compared to unplanted treatments. The fertilized soil showed relatively more Hg degradation in soil and its accumulation in roots and shoots of plants in comparison to unfertilized soil. MPN in treatments with plants was significantly greater (p < 0.05) than in without plants. It was observed that C. speciosus accelerated the biodegradation of crude oil and Hg in soil and their accumulation in roots and shoots.

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Arbuscular Mycorrhizal Fungi Alter Arsenic Translocation Characteristics of Iris tectorum Maxim.

Xing,

Zhang,

Hao

et al. 2023

JoF

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Arsenic (As) pollution in wetlands, mainly as As(III) and As(V), has threatened wetland plant growth. It has been well documented that arbuscular mycorrhizal (AM) fungi can alleviate As stress in terrestrial plants. However, whether AM fungi can protect natural wetland plants from As stress remains largely unknown. Therefore, three hydroponic experiments were conducted in which Iris tectorum Maxim. (I. tectorum) plants were exposed to As(III) or As(V) stresses, to investigate the effects of mycorrhizal inoculation on As uptake, efflux, and accumulation. The results suggested that short-term kinetics of As influx in I. tectorum followed the Michaelis–Menten function. Mycorrhizal inoculation decreased the maximum uptake rate (Vmax) and Michaelis constant (Km) of plants for As(III) influx, while yielding no significant difference in As(V) influx. Generally, mycorrhizal plants released more As into environments after 72 h efflux, especially under As(V) exposure. Moreover, mycorrhizal plants exhibited potential higher As accumulation capacity, probably due to more active As reduction, which was one of the mechanisms through which AM fungi mitigate As phytotoxicity. Our study has revealed the role of aerobic microorganism AM fungi in regulating As translocation in wetland plants and supports the involvement of AM fungi in alleviating plant As stress in anaerobic wetlands.

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Removal of heavy metals using Iris species: A potential approach for reclamation of heavy metal-polluted sites and environmental beautification

Cited by 3 publications

References 110 publications

Synergistic interplay between melatonin and hydrogen sulfide enhances cadmium-induced oxidative stress resistance in stock ( Matthiola incana L.)

Synergistic interplay between melatonin and hydrogen sulfide enhances cadmium-induced oxidative stress resistance in stock ( Matthiola incana L.)

Costus speciosus (J. Koenig) Sm., a suitable plant species for phytoremediation of crude oil and mercury contaminated soil

Arbuscular Mycorrhizal Fungi Alter Arsenic Translocation Characteristics of Iris tectorum Maxim.

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