Aerobic Respiration and Its Regulation in the Metal Reducer Shewanella oneidensis.

ABSTRACT: Shewanella oneidensis MR-1 is a facultative anaerobe known for its ability to reduce metal oxides. Anaerobic respiration, especially metal reduction, has been the subject of extensive research. In contrast, S. oneidensis aerobic respiration has received less attention. S. oneidensis expresses cbb₃ - and aa₃ -type cytochrome c oxidases and a bd-type quinol oxidase. The aa₃ -type oxidase, which in other bacteria is the major oxygen reductase under oxygen replete conditions, does not appear to contribute to aerobic respiration and growth in S. oneidensis. Our results indicated that although the aa3-type oxidase does not play a role in aerobic growth on lactate, the preferred carbon source fo

SUBMITTER: Bertling K 

PROVIDER: S-EPMC8458880 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature