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Article
2022
A shift towards succinate‐producing Prevotella in the ruminal microbiome challenged with monensin
A shift towards succinate‐producing Prevotella in the ruminal microbiome challenged with monensin
Abstract (English)
The time‐resolved impact of monensin on the active rumen microbiome was studied in a rumen‐simulating technique (Rusitec) with metaproteomic and metabolomic approaches. Monensin treatment caused a decreased fibre degradation potential that was observed by the reduced abundance of proteins assigned to fibrolytic bacteria and glycoside hydrolases, sugar transporters and carbohydrate metabolism. Decreased proteolytic activities resulted in reduced amounts of ammonium as well as branched‐chain fatty acids. The family Prevotellaceae exhibited increased resilience in the presence of monensin, with a switch of the metabolism from acetate to succinate production. Prevotella species harbour a membrane‐bound electron transfer complex, which drives the reduction of fumarate to succinate, which is the substrate for propionate production in the rumen habitat. Besides the increased succinate production, a concomitant depletion of methane concentration was observed upon monensin exposure. Our study demonstrates that Prevotella sp. shifts its metabolism successfully in response to monensin exposure and Prevotellaceae represents the key bacterial family stabilizing the rumen microbiota during exposure to monensin.
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Proteomics, 23 (2022), 21-22, Special Issue: Data Integration and Network Biology.
https://doi.org/10.1002/pmic.202200121.
ISSN: 1615-9861
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@article{Trautmann2022,
url = {https://hohpublica.uni-hohenheim.de/handle/123456789/16143},
doi = {10.1002/pmic.202200121},
author = {Trautmann, Andrej and Schleicher, Lena and Koch, Ariane et al.},
title = {A shift towards succinate‐producing Prevotella in the ruminal microbiome challenged with monensin},
journal = {Proteomics},
year = {2022},
volume = {23},
number = {21-22},
}