Transcriptomics

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Dehalococcoides ethenogenes strain 195 in mixed culture continuous (PSS) PCE and TCE fed versus batch PCE fed


ABSTRACT: Bacteria of the group “Dehalococcoides” display the ability to respire recalcitrant chlorinated organic compounds in laboratory and field site applications. Though reductive dehalogenases (RDases) have been shown to directly catalyze dechlorination reactions, the respiratory pathways and function of most genome-encoded RDases in Dehalococcoides strains remain incompletely described. In order to broaden the understanding of the biological organization of “Dehalococcoides”, this study monitored the trancriptomic response of “Dehalococcoides ethenogenes” stain 195 through microarray technology. Batch versus continuously fed cultures were examined and compared. When similarly respiring (~120 μeeq PCE/(L-hr)) batch and pseudo steady-state cultures were contrasted, the reductive dehalogenases (RDases) DET1545 and DET0180 were up-regulated in the PSS system indicating their activity at lower overall electron acceptor concentration.

ORGANISM(S): Dehalococcoides mccartyi Dehalococcoides mccartyi 195

PROVIDER: GSE25499 | GEO | 2018/10/13

REPOSITORIES: GEO

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