Extracellular Electron Shuttling Mediated by Soluble c-Type Cytochromes Produced by Shewanella oneidensis MR-1

Autor: Fangbai Li, Xiu Yuan, Yundang Wu, Xiaomin Li, John R. Reinfelder, Dandan Chen, Tongxu Liu, Xiaobo Luo
Rok vydání: 2020
Předmět:
Zdroj: Environmental Science & Technology. 54:10577-10587
ISSN: 1520-5851
0013-936X
DOI: 10.1021/acs.est.9b06868
Popis: How metal-reducing bacteria transfer electrons during dissimilatory energy generation under electron acceptor-limited conditions is poorly understood. Here, we incubated the iron and manganese-reducing bacterium Shewanella oneidensis MR-1 without electron acceptors. Removal of soluble extracellular organic compounds (EOCs) dramatically retarded transfer of electrons to an experimental electron acceptor, Cr(VI), by MR-1. However, the return of either high MW (>3000 Da) or low MW (
Databáze: OpenAIRE