Root Exudation: The Ecological Driver of Hydrocarbon Rhizoremediation
AbstractRhizoremediation is a bioremediation technique whereby microbial degradation of organic contaminants occurs in the rhizosphere. It is considered to be an effective and affordable “green technology” for remediating soils contaminated with petroleum hydrocarbons. Root exudation of a wide variety of compounds (organic, amino and fatty acids, carbohydrates, vitamins, nucleotides, phenolic compounds, polysaccharides and proteins) provide better nutrient uptake for the rhizosphere microbiome. It is thought to be one of the predominant drivers of microbial communities in the rhizosphere and is therefore a potential key factor behind enhanced hydrocarbon biodegradation. Many of the genes responsible for bacterial adaptation in contaminated soil and the plant rhizosphere are carried by conjugative plasmids and transferred among bacteria. Because root exudates can stimulate gene transfer, conjugation in the rhizosphere is higher than in bulk soil. A better understanding of these phenomena could thus inform the development of techniques to manipulate the rhizosphere microbiome in ways that improve hydrocarbon bioremediation. View Full-Text
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Rohrbacher, F.; St-Arnaud, M. Root Exudation: The Ecological Driver of Hydrocarbon Rhizoremediation. Agronomy 2016, 6, 19.
Rohrbacher F, St-Arnaud M. Root Exudation: The Ecological Driver of Hydrocarbon Rhizoremediation. Agronomy. 2016; 6(1):19.Chicago/Turabian Style
Rohrbacher, Fanny; St-Arnaud, Marc. 2016. "Root Exudation: The Ecological Driver of Hydrocarbon Rhizoremediation." Agronomy 6, no. 1: 19.
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