Uptake of self-secreted flavins as bound cofactors for extracellular electron transfer in Geobacter species

By A. Okamoto, Koichiro Saito, Kengo Inoue, Kenneth Nealson, K. Hashimoto, Ryuhei Nakamura. 2014

189 citations recorded by the source corpus.

Geobacter species are among the most efficient current-producing bacterial species, yet their electron-transfer mechanisms have been scarcely investigated at the molecular level. Here, we provide evidence that Geobacter cells secrete and utilize riboflavin as a bound-cofactor in outer-membrane c-type cytochromes. This finding highlights the potential roles of riboflavin as a major electron carrier in current production.

Subfields: Electrical and Electronic Engineering, Environmental Engineering

View Paper: https://www.semanticscholar.org/paper/719d8c638cb208b057d760b19faa2f82491d6d85

How researchers see this paper

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In Electrical and Electronic Engineering

1. Jens O. Krömer
2. Frauke Kracke
3. I. Vassilev

In Environmental Engineering

1. Jens O. Krömer
2. Frauke Kracke
3. I. Vassilev

Citations in the corpus

• Microbial electron transport and energy conservation – the foundation for optimizing bioelectrochemical systems (2015, background): “The mechanisms, how the redox metabolism is influenced by the artificial mediator is still unclear (Sasaki et al., 2014).”