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This study found that non-exoelectrogenic Citrobacter freundii An1 can enhance bioelectricity generation of exoelectrogenic Shewanella oneidensis MR-1 through interspecific competition.

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Abstract

Key findings

  • Citrobacter freundii An1 can outcompete Shewanella oneidensis MR-1 for nutrients, leading to increased bioelectricity generation.
  • The presence of Citrobacter freundii An1 can stimulate the growth and activity of Shewanella oneidensis MR-1, resulting in higher bioelectricity production.
  • The interspecific competition between Citrobacter freundii An1 and Shewanella oneidensis MR-1 can be exploited to improve bioelectricity generation in microbial fuel cells.

Keywords

Shewanella oneidensisCitrobacter freundiiBiofilmBiochemistry

Identifiers

DOI
10.1016/j.bios.2021.113614
Journal
Biosensors and Bioelectronics
Year
2021