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Related Concept Videos

Microbial Bioremediation of Hydrocarbons01:26

Microbial Bioremediation of Hydrocarbons

Bioremediation is an environmentally sustainable process that employs living organisms—primarily microorganisms—to degrade or neutralize pollutants from contaminated environments. In oil spills and hydrocarbon pollution, bioremediation involves the use of hydrocarbon-degrading bacteria to transform toxic compounds into less harmful substances. This approach leverages natural microbial metabolic processes and is considered both cost-effective and ecologically favorable compared to physical or...
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Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
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Physical, Chemical and Biological Characterization of Six Biochars Produced for the Remediation of Contaminated Sites
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Physical, Chemical and Biological Characterization of Six Biochars Produced for the Remediation of Contaminated Sites

Published on: November 28, 2014

Biochar nanoparticles modulate root-associated microbial interactions under polycyclic aromatic hydrocarbon stress.

Yu Shen1, Hao Su2, Dongru Wang3

  • 1Co-Innovation Center for the Sustainable Forestry in Southern China, National Positioning Observation Station of Hung-tse Lake Wetland Ecosystem in Jiangsu Province, College of Ecology and Environment, Nanjing Forestry University, Nanjing, 210037, China; School of Environment, University of Auckland, Private Bag 92019, Auckland, 1010, New Zealand.

Journal of Environmental Management
|May 26, 2026
PubMed
Summary
This summary is machine-generated.

Biochar nanoparticles reduce plant stress from polycyclic aromatic hydrocarbons (PAHs). They also reshape root microbes, improving plant-microbe interactions for phytoremediation.

Keywords:
Biochar nanoparticlesLipid metabolismMicrobial community restructuringPhenanthrenePhytotoxicity alleviation

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Assessment of Waste-Derived Biochars on the Health and Biological Activity of Soil
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Published on: October 10, 2025

Area of Science:

  • Environmental Science
  • Microbiology
  • Plant Science

Background:

  • Polycyclic aromatic hydrocarbons (PAHs) are persistent soil contaminants causing plant and microbial stress.
  • Understanding plant-microbe interactions under PAH stress and amendment effects is crucial.

Purpose of the Study:

  • To investigate how biochar nanoparticles affect plant performance and root microbes under PAH stress.
  • To explore the regulatory role of biochar nanoparticles in plant-microbe interactions.

Main Methods:

  • Controlled hydroponic system with PAH exposure and biochar nanoparticle addition.
  • Analysis of plant performance, root-associated microbial community structure, network topology, and functional potential.
  • Lipidomic profiling to assess metabolic pathway changes.

Main Results:

  • Biochar nanoparticles alleviated PAH-induced phytotoxicity.
  • Significant shifts in microbial community structure, network stability, and functional potential were observed.
  • Coordinated metabolic pathway changes in roots indicated stress adaptation.

Conclusions:

  • Biochar nanoparticles act as regulators, not just sorbents, reshaping plant-microbe interactions under PAH stress.
  • Nanoscale biochar modulates plant-root microbe interactions via phenanthrene adsorption and microbial community modulation.
  • This study provides a mechanistic framework for nanoscale biochar applications in phytoremediation.