Microbial and plant-assisted heavy metal remediation in aquatic ecosystems: a comprehensive review

Haldar, Subhash; Ghosh, Abhrajyoti

doi:10.1007/s13205-020-02195-4

Cited by 28 publications

(7 citation statements)

References 112 publications

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“…Methylmercury is a toxic substance that can be accumulated in the aquatic food chain, and is mainly derived from the microbial methylation of inorganic Hg 2+ in anoxic sediments or photomethylation in the water environment. 83 Bussan et al 84 examined the effects of activated carbon and pinewood biochar on Hg methylation in wetland sediments. The methylation rate of inorganic 200 Hg 2+ was 0.37%/d in untreated sediment, but it decreased to 0.08%/d in treated sediment.…”

Section: Effects Of Biochars For Remediating Water and Soil Environme...mentioning

confidence: 99%

Responses of aquatic vegetables to biochar amended soil and water environments: a critical review

Wang

Zhao

Yao³

et al. 2023

RSC Adv.

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Section: Effects Of Biochars For Remediating Water and Soil Environme...mentioning

confidence: 99%

Responses of aquatic vegetables to biochar amended soil and water environments: a critical review

Wang

Zhao

Yao³

et al. 2023

RSC Adv.

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“…Plants have an enormous capacity to absorb pollutants from the environment and carry out their detoxification by different mechanisms (ALI et al 2013). Thus, in comparison with other remediation techniques, phytoremediation may be considered an ecological, more economical and sustainable method and, in general, does neither require large absorbents volumes nor the addition of chemicals (HETTICK et al 2015;SINGH et al 2015;HALDAR & GHOSH 2020;MARELLA et al 2020).…”

Section: Biosorptionmentioning

confidence: 99%

Bryophytes in removal of environmental contaminants: Review and bibliometric analysis

Torres¹,

Rocha²,

Rodrigues³

2023

Development and Its Applications in Scientific Knowledge

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Bryophytes, especially mosses, have received growing attention because of their environmental applications, such as biosorption and phytoremediation. In general, this group is known for its sensitivity to environmental changes and the presence of pollutants such as metals, metalloids, persistent organic pollutants (POP), polycyclic aromatic hydrocarbons (PAH), components that are harmful to the environment and human health. Considering that bryophytes are cosmopolitan plants, the development of approaches employing them has great potential for use in different locations around the world. Given this, the present review seeks to evaluate the main aspects related to the environmental application of bryophytes in the removal of contaminants through biosorption and phytoremediation. For this purpose, the VOSviewer software was used in the elaboration of bibliometric maps, using information obtained from the Web of Science platform. The search related to the application of mosses in phytoremediation found 174 publications, the search related to the application of mosses in biosorption obtained 140 results. Of this total, it was observed that most studies were developed from 2005 onwards for both research areas, 2020 being the year with the largest number of studies using bryophytes in phytoremediation (n = 17), thus demonstrating that use this group is in growing development and has valuable application potential in the fields of biosorption and phytoremediation.

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“…However, later it was detailed that heavy metals induced the microbial metabolic pathways in different ways. Active (bioleaching, bioaccumulation, and reduction of toxic metals) or passive (biosorption) uptake of these heavy metals assist in biological interactions to transform them into a less harmful or immobilized form and prevent intrusion into the bio-system ( Gupta and Diwan, 2017 ; Haldar and Ghosh, 2020 ).…”

Section: Application Of Extremophilic Eps For Environment Bioremediationmentioning

confidence: 99%

Extremophilic Exopolysaccharides: Biotechnologies and Wastewater Remediation

et al. 2021

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Various microorganisms thrive under extreme environments, like hot springs, hydrothermal vents, deep marine ecosystems, hyperacid lakes, acid mine drainage, high UV exposure, and more. To survive against the deleterious effect of these extreme circumstances, they form a network of biofilm where exopolysaccharides (EPSs) comprise a substantial part. The EPSs are often polyanionic due to different functional groups in their structural backbone, including uronic acids, sulfated units, and phosphate groups. Altogether, these chemical groups provide EPSs with a negative charge allowing them to (a) act as ligands toward dissolved cations as well as trace, and toxic metals; (b) be tolerant to the presence of salts, surfactants, and alpha-hydroxyl acids; and (c) interface the solubilization of hydrocarbons. Owing to their unique structural and functional characteristics, EPSs are anticipated to be utilized industrially to remediation of metals, crude oil, and hydrocarbons from contaminated wastewaters, mines, and oil spills. The biotechnological advantages of extremophilic EPSs are more diverse than traditional biopolymers. The present review aims at discussing the mechanisms and strategies for using EPSs from extremophiles in industries and environment bioremediation. Additionally, the potential of EPSs as fascinating biomaterials to mediate biogenic nanoparticles synthesis and treat multicomponent water contaminants is discussed.

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Microbial and plant-assisted heavy metal remediation in aquatic ecosystems: a comprehensive review

Cited by 28 publications

References 112 publications

Responses of aquatic vegetables to biochar amended soil and water environments: a critical review

Responses of aquatic vegetables to biochar amended soil and water environments: a critical review

Bryophytes in removal of environmental contaminants: Review and bibliometric analysis

Extremophilic Exopolysaccharides: Biotechnologies and Wastewater Remediation

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