Increase in Phytoextraction Potential by Genome Editing and Transformation: A Review

Soil metal contamination associated with productive activities is a global issue. Metals are not biodegradable and tend to accumulate in soils, posing potential risks to surrounding ecosystems and human health. Plant-based techniques (phytotechnologies) for the in situ remediation of metal-polluted soils have been developed, but these have some limitations. Phytotechnologies are a group of technologies that take advantage of the ability of certain plants to remediate soil, water, and air resources to rehabilitate ecosystem services in managed landscapes. Regarding soil metal pollution, the main objectives are in situ stabilization (phytostabilization) and the removal of contaminants (phytoextraction). Genetic engineering strategies such as gene editing, stacking genes, and transformation, among others, may improve the phytoextraction potential of plants by enhancing their ability to accumulate and tolerate metals and metalloids. This review discusses proven strategies to enhance phytoextraction efficiency and future perspectives on phytotechnologies.

Download Full-text

In Situ Stabilization of Toxic Metals in Polluted Soils Using Different Soil Amendments: Mechanisms and Environmental Implication

Twenty Years of Research and Development on Soil Pollution and Remediation in China ◽

10.1007/978-981-10-6029-8_34 ◽

2018 ◽

pp. 563-572 ◽

Cited By ~ 1

Author(s):

Shibao Chen ◽

Bin Liu ◽

Han Zheng ◽

Nan Meng ◽

Cao Cai ◽

...

Keyword(s):

Toxic Metals ◽

Soil Amendments ◽

Environmental Implication ◽

Polluted Soils ◽

In Situ Stabilization

Download Full-text

In situ stabilization of toxic metals in polluted soils using phosphates: theoretical prediction and experimental verification

Journal of Hazardous Materials ◽

10.1016/j.jhazmat.2004.07.024 ◽

2005 ◽

Vol 117 (1) ◽

pp. 41-53 ◽

Cited By ~ 126

Author(s):

S. Raicevic ◽

T. Kaludjerovic-Radoicic ◽

A.I. Zouboulis

Keyword(s):

Theoretical Prediction ◽

Toxic Metals ◽

Experimental Verification ◽

Polluted Soils ◽

In Situ Stabilization

Download Full-text

In situ stabilization of chromium(VI) in polluted soils using organic ligands: The role of galacturonic, glucuronic and alginic acids

Journal of Hazardous Materials ◽

10.1016/j.jhazmat.2008.02.022 ◽

2008 ◽

Vol 159 (2-3) ◽

pp. 287-293 ◽

Cited By ~ 40

Author(s):

Cetin Kantar ◽

Zeynep Cetin ◽

Hilal Demiray

Keyword(s):

Organic Ligands ◽

Polluted Soils ◽

In Situ Stabilization ◽

Chromium Vi ◽

Alginic Acids

Download Full-text

Gowanus Canal Superfund Site. III: Leaching of In Situ Stabilization/Solidification Mix Designs

Journal of Hazardous Toxic and Radioactive Waste ◽

10.1061/(asce)hz.2153-5515.0000532 ◽

2020 ◽

Vol 24 (4) ◽

pp. 04020045

Author(s):

Dennis G. Grubb ◽

Theresa M. Himmer ◽

Jeff L. Gentry ◽

Alexandra J. Salter-Blanc ◽

Christos D. Tsiamis

Keyword(s):

Superfund Site ◽

In Situ Stabilization

Download Full-text

Enhanced reduction and in-situ stabilization of Cr(VI) by Fe3O4@polydopamine magnetic microspheres embedded in sludge-based carbonaceous matrix

Applied Surface Science ◽

10.1016/j.apsusc.2020.147980 ◽

2021 ◽

Vol 536 ◽

pp. 147980

Author(s):

Chunli Wan ◽

Ren Zhang ◽

Li Wang ◽

Xiang Liu ◽

Diandian Bao ◽

...

Keyword(s):

Magnetic Microspheres ◽

In Situ Stabilization

Download Full-text

In-situ stabilization of silver nanoparticles in polymer hydrogels for enhanced catalytic reduction of macro and micro pollutants

Zeitschrift für Physikalische Chemie ◽

10.1515/zpch-2020-1721 ◽

2020 ◽

Vol 0 (0) ◽

Author(s):

Luqman Ali Shah ◽

Rida Javed ◽

Mohammad Siddiq ◽

Iram BiBi ◽

Ishrat Jamil ◽

...

Keyword(s):

Catalytic Reduction ◽

Thermo Gravimetric Analysis ◽

Activation Parameters ◽

Reduction Reaction ◽

Gravimetric Analysis ◽

X Ray Diffraction ◽

In Situ Stabilization ◽

Hybrid Hydrogels ◽

Kinetics Of

AbstractThe in-situ stabilization of Ag nanoparticles is carried out by the use of reducing agent and synthesized three different types of hydrogen (anionic, cationic, and neutral) template. The morphology, constitution and thermal stability of the synthesized pure and Ag-entrapped hybrid hydrogels were efficiently confirmed using scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD) and thermo gravimetric analysis (TGA). The prepared hybrid hydrogels were used in the decolorization of methylene blue (MB) and azo dyes congo red (CR), methyl Orange (MO), and reduction of 4-nitrophenol (4-NP) and nitrobenzene (NB) by an electron donor NaBH4. The kinetics of the reduction reaction was also assessed to determine the activation parameters. The hybrid hydrogen catalysts were recovered by filtration and used continuously up to six times with 98% conversion of pollutants without substantial loss in catalytic activity. It was observed that these types of hydrogel systems can be used for the conversion of pollutants from waste water into useful products.

Download Full-text