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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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Related Experiment Video

Updated: Aug 26, 2025

Prospecting Microbial Strains for Bioremediation and Probiotics Development for Metaorganism Research and Preservation
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Genetically engineered microorganisms for environmental remediation.

Hamza Rafeeq1, Nadia Afsheen1, Sadia Rafique2

  • 1Department of Biochemistry, Riphah International University, Faisalabad Campus, Faisalabad, 38000, Pakistan.

Chemosphere
|October 9, 2022
PubMed
Summary

Genetically engineered microbes (GEMs) offer a cost-effective and safer solution for environmental cleanup. These advanced microorganisms efficiently degrade hazardous contaminants, benefiting ecosystems and human health.

Keywords:
BioremediationBiotechnologyEnvironmental pollutionGenetically modified organisms

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Area of Science:

  • Environmental Science
  • Microbiology
  • Biotechnology

Background:

  • Increasing global contamination poses significant threats to biodiversity and ecosystem health.
  • Conventional physical and chemical remediation methods are often costly and environmentally damaging.
  • Bioremediation offers a promising alternative, with genetically engineered microbes (GEMs) showing particular potential.

Purpose of the Study:

  • To highlight the advantages of genetically engineered microbes (GEMs) in environmental remediation.
  • To discuss the mechanisms and applications of GEMs in degrading hazardous contaminants.
  • To emphasize the environmental and health benefits of using GEMs.

Main Methods:

  • Development of genetically engineered microbes (GEMs) through biotechnology and genetic engineering.
  • Introduction of enhanced proteins into microorganisms to improve contaminant degradation capabilities.
  • Application of GEMs for the biodegradation of various pollutants including oil spills, hydrocarbons, and halogenated compounds.

Main Results:

  • GEMs demonstrate enhanced biodegradation efficiency compared to naturally occurring microorganisms.
  • GEMs can adapt to and co-metabolize a wide range of hazardous contaminants.
  • Successful degradation of specific pollutants like oil spills, naphthalene, toluene, and trichloroethylene has been achieved using GEMs.

Conclusions:

  • Genetic engineering provides a powerful tool for developing effective bioremediation strategies.
  • GEMs offer a safer, more cost-effective, and environmentally friendly approach to pollution control.
  • The advancement and application of GEMs are crucial for protecting environmental and human health.