Metabolic manipulation by Pseudomonas fluorescens: a powerful stratagem against oxidative and metal stress
| Autor: | Anondo Michel Bley, Alex MacLean, Varun P. Appanna, Vasu D. Appanna |
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| Rok vydání: | 2020 |
| Předmět: |
0301 basic medicine
Microbiology (medical) biology Chemistry 030106 microbiology Defence mechanisms Pseudomonas fluorescens Metal toxicity General Medicine Oxidative phosphorylation Metabolism biology.organism_classification medicine.disease_cause Microbiology 03 medical and health sciences 030104 developmental biology Biochemistry medicine Intracellular Organism Oxidative stress |
| Zdroj: | Journal of Medical Microbiology. 69:339-346 |
| ISSN: | 1473-5644 0022-2615 |
| Popis: | Metabolism is the foundation of all living organisms and is at the core of numerous if not all biological processes. The ability of an organism to modulate its metabolism is a central characteristic needed to proliferate, to be dormant and to survive any assault. Pseudomonas fluorescens is bestowed with a uniquely versatile metabolic framework that enables the microbe to adapt to a wide range of conditions including disparate nutrients and toxins. In this mini-review we elaborate on the various metabolic reconfigurations evoked by this microbial system to combat reactive oxygen/nitrogen species and metal stress. The fine-tuning of the NADH/NADPH homeostasis coupled with the production of α-keto-acids and ATP allows for the maintenance of a reductive intracellular milieu. The metabolic networks propelling the synthesis of metabolites like oxalate and aspartate are critical to keep toxic metals at bay. The biochemical processes resulting from these defensive mechanisms provide molecular clues to thwart infectious microbes and reveal elegant pathways to generate value-added products. |
| Databáze: | OpenAIRE |
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