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| one publication added to basket [393301] |
Decoupling between the genetic potential and the metabolic regulation and expression in microbial organic matter cleavage across microbiomes
Zhao, Z.; Baltar, F.; Herndl, G. (2024). Decoupling between the genetic potential and the metabolic regulation and expression in microbial organic matter cleavage across microbiomes. Environ. Microbiol. 12(5). https://dx.doi.org/10.1128/spectrum.03036-23
In: Environmental Microbiology. Blackwell Scientific Publishers: Oxford. ISSN 1462-2912; e-ISSN 1462-2920, meer
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| Author keywords |
multi-omics comparison; extracellular enzyme; ectoenzyme stoichiometry; secretion mechanism |
| Auteurs | | Top |
- Zhao, Z.
- Baltar, F.
- Herndl, G., meer
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| Abstract |
Metagenomics, metatranscriptomics, and metaproteomics are used to explore the microbial capability of enzyme secretion, but the links between protein-encoding genes and corresponding transcripts/proteins across ecosystems are underexplored. By conducting a multi-omics comparison focusing on key enzymes (carbohydrate-active enzymes [CAZymes] and peptidases) cleaving the main biomolecules across distinct microbiomes living in the ocean, soil, and human gut, we show that the community structure, functional diversity, and secretion mechanisms of microbial secretory CAZymes and peptidases vary drastically between microbiomes at metagenomic, metatranscriptomic, and metaproteomic levels. Such variations lead to decoupled relationships between CAZymes and peptidases from genetic potentials to protein expressions due to the different responses of key players toward organic matter sources and concentrations. Our results highlight the need for systematic analysis of the factors shaping patterns of microbial cleavage on organic matter to better link omics data to ecosystem processes. |
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