Proteomics

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Differential proteomics of Desulfurella amilsii to explore sulfur reductive metabolism


ABSTRACT: Desulfurella amilsii is an acidotolerant sulfur-reducing bacterium isolated from sediments of an acidic river. It can grow in a broad range of pH and can obtain energy via respiring elemental sulfur or thiosulfate, as well as by disproportionating elemental sulfur. Its genome encodes the enzyme sulfur reductase, and several rhodanese-like proteins, possibly playing a role in sulfur respiration and disproportionation. Thiosulfate reductase and dissimilatory sulfite reductase are encoded and might play a role during the respiration of thiosulfate. The involvement of these enzymes in the reductive routes of sulfur metabolism is not yet clearly understood. Desulfurella amilsii was used in this study to combine strategies for sulfur metabolism research on the protein level to shed some light on the pathways involved in the metabolism of this microorganism.

INSTRUMENT(S): LTQ Orbitrap

ORGANISM(S): Desulfurella Amilsii

SUBMITTER: Sjef Boeren  

LAB HEAD: Sjef Boeren

PROVIDER: PXD008496 | Pride | 2018-10-19

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
Anna01_hydr_ph6_1p1.raw Raw
Anna02_hydr_ph6_1p2.raw Raw
Anna03_hydr_ph6_1p3.raw Raw
Anna04_hydr_ph6_2p1.raw Raw
Anna05_hydr_ph6_2p2.raw Raw
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Publications

Insight into the sulfur metabolism of Desulfurella amilsii by differential proteomics.

Florentino Anna P AP   Pereira Inês A C IAC   Boeren Sjef S   van den Born Michael M   Stams Alfons J M AJM   Sánchez-Andrea Irene I  

Environmental microbiology 20181115 1


Many questions regarding proteins involved in microbial sulfur metabolism remain unsolved. For sulfur respiration at low pH, the terminal electron acceptor is still unclear. Desulfurella amilsii is a sulfur-reducing bacterium that respires elemental sulfur (S<sup>0</sup> ) or thiosulfate, and grows by S<sup>0</sup> disproportionation. Due to its versatility, comparative studies on D. amilsii may shed light on microbial sulfur metabolism. Requirement of physical contact between cells and S<sup>0<  ...[more]

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