Issue 12, 2023

Mechanism and applications of bidirectional extracellular electron transfer of Shewanella

Abstract

Electrochemically active microorganisms (EAMs) play an important role in the fields of environment and energy. Shewanella is the most common EAM. Research into Shewanella contributes to a deeper comprehension of EAMs and expands practical applications. In this review, the outward and inward extracellular electron transfer (EET) mechanisms of Shewanella are summarized and the roles of riboflavin in outward and inward EET are compared. Then, four methods for the enhancement of EET performance are discussed, focusing on riboflavin, intracellular reducing force, biofilm formation and substrate spectrum, respectively. Finally, the applications of Shewanella in the environment are classified, and the restrictions are discussed. Potential solutions and promising prospects for Shewanella are also provided.

Graphical abstract: Mechanism and applications of bidirectional extracellular electron transfer of Shewanella

Article information

Article type
Critical Review
Submitted
25 Mei 2023
Accepted
12 Sep 2023
First published
03 Okt 2023

Environ. Sci.: Processes Impacts, 2023,25, 1863-1877

Mechanism and applications of bidirectional extracellular electron transfer of Shewanella

Y. Zang, B. Cao, H. Zhao, B. Xie, Y. Ge, H. Liu and Y. Yi, Environ. Sci.: Processes Impacts, 2023, 25, 1863 DOI: 10.1039/D3EM00224A

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