Proteomics

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Proteome and acetylome of Sulfurospirillum halorespirans during long-term downregulation of organohalide respiratory genes


ABSTRACT: Organohalide respiration is an environmentally relevant type of anaerobic respiration. We show that Sulfurospirillum halorespirans undergoes the same type of downregulation of the organohalide respiratory genes as had been overserved before in S. multivorans when cultivated without chlorinated ethenes for a long period of time. We compared the proteomes and acetylomes of S. halorespirans cells cultivated in the presence of PCE with those of cells long- and short-term cultivated with nitrate as sole electron acceptor.

INSTRUMENT(S): Q Exactive

ORGANISM(S): Sulfurospirillum Halorespirans Dsm 13726

SUBMITTER: Dominique Türkowsky  

LAB HEAD: Martin von Bergen

PROVIDER: PXD008953 | Pride | 2018-04-05

REPOSITORIES: Pride

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Publications

A Retentive Memory of Tetrachloroethene Respiration in Sulfurospirillum halorespirans - involved Proteins and a possible link to Acetylation of a Two-Component Regulatory System.

Türkowsky Dominique D   Esken Jens J   Goris Tobias T   Schubert Torsten T   Diekert Gabriele G   Jehmlich Nico N   von Bergen Martin M  

Journal of proteomics 20180401


Organohalide respiration (OHR), comprising the reductive dehalogenation of halogenated organic compounds, is subject to a unique memory effect and long-term transcriptional downregulation of the involved genes in Sulfurospirillum multivorans. Gene expression ceases slowly over approximately 100 generations in the absence of tetrachloroethene (PCE). However, the molecular mechanisms of this regulation process are not understood. We show here that Sulfurospirillum halorespirans undergoes the same  ...[more]

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