Global transcriptome analysis of Shewanella oneidensis MR-1 exposed to different terminal electron acceptors.

ABSTRACT: To gain insight into the complex structure of the energy-generating networks in the dissimilatory metal reducer Shewanella oneidensis MR-1, global mRNA patterns were examined in cells exposed to a wide range of metal and non-metal electron acceptors. Gene expression patterns were similar irrespective of which metal ion was used as electron acceptor, with 60% of the differentially expressed genes showing similar induction or repression relative to fumarate-respiring conditions. Several groups of genes exhibited elevated expression levels in the presence of metals, including those encoding putative multidrug efflux transporters, detoxification proteins, extracytoplasmic sigma factors and PAS-domain regulators. Only one of the 42 predicted c-type cytochromes in MR-1, SO3300, displayed signifi

SUBMITTER: Beliaev AS 

PROVIDER: S-EPMC1251602 | biostudies-literature | 2005 Oct

REPOSITORIES: biostudies-literature