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Title: Microbe and plant assisted-remediation of organic xenobiotics and its enhancement by genetically modified organisms and recombinant technology : a review
Authors: Hussain, I
Aleti, G
Naidu, R
Puschenreiter, M
Mahmood, Q
Rahman, MM
Wang, F
Shaheen, S
Syed, JH 
Reichenauer, TG
Keywords: Genetically modified plants
Health risks
Plant-rhizospheric partnership
Recombinant technology
Issue Date: 2018
Publisher: Elsevier
Source: Science of the total environment, 2018, v. 628-629, p. 1582-1599 How to cite?
Journal: Science of the total environment 
Abstract: Environmental problems such as the deterioration of groundwater quality, soil degradation and various threats to human, animal and ecosystem health are closely related to the presence of high concentrations of organic xenobiotics in the environment. Employing appropriate technologies to remediate contaminated soils is crucial due to the site-specificity of most remediation methods. The limitations of conventional remediation technologies include poor environmental compatibility, high cost of implementation and poor public acceptability. This raises the call to employ biological methods for remediation. Bioremediation and microbe-assisted bioremediation (phytoremediation) offer many ecological and cost-associated benefits. The overall efficiency and performance of bio- and phytoremediation approaches can be enhanced by genetically modified microbes and plants. Moreover, phytoremediation can also be stimulated by suitable plant-microbe partnerships, i.e. plant-endophytic or plant-rhizospheric associations. Synergistic interactions between recombinant bacteria and genetically modified plants can further enhance the restoration of environments impacted by organic pollutants. Nevertheless, releasing genetically modified microbes and plants into the environment does pose potential risks. These can be minimized by adopting environmental biotechnological techniques and guidelines provided by environmental protection agencies and other regulatory frameworks. The current contribution provides a comprehensive overview on enhanced bioremediation and phytoremediation approaches using transgenic plants and microbes. It also sheds light on the mitigation of associated environmental risks.
ISSN: 0048-9697
EISSN: 1879-1026
DOI: 10.1016/j.scitotenv.2018.02.037
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