ArticleMicrobial cell factories2019
Growth of the facultative chemolithoautotroph Ralstonia eutropha on organic waste materials: growth characteristics, redox regulation and hydrogenase activity.
Article in Microbial cell factories, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 30 citations in OpenAlex.
- Glycerol-supplemented medium promotes transition of Cupriavidus necator from heterotrophic to lithoautotrophic growth.Biotechnology letters · 2025Article
- Response to Nutrient Stress in the Industrial Model Bacterium Cupriavidus necator: A Thermal Proteome Profiling (TPP) Investigation.Proteomics · 2025Article
- Redox regulation of hydrogen production in Escherichia coli during growth on by-products of the wine industry.Applied microbiology and biotechnology · 2025Article
- Microbial enzymatic indices for predicting composting quality of recalcitrant lignocellulosic substrates.Frontiers in microbiology · 2024Article
- Improved preculture management for Cupriavidus necator cultivations.Biotechnology letters · 2023Article
- Valorization of whey-based side streams for microbial biomass, molecular hydrogen, and hydrogenase production.Applied microbiology and biotechnology · 2023Article
- L-amino acids affect the hydrogenase activity and growth of Ralstonia eutropha H16.AMB Express · 2023Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
Abstract
backgroundThe chemolithoautotrophic β-proteobacterium Ralstonia eutropha H16 (Cupriavidus necator) is one of the most studied model organisms for growth on H
resultsGrowth, bioenergetic properties, and oxidation-reduction potential (ORP) kinetics were investigated during cultivation of R. eutropha H16 on fructose and glycerol or lignocellulose-containing brewery spent grain hydrolysate (BSGH). BSGH was used as carbon and energy source by R. eutropha H16, and the activities of the membrane-bound hydrogenase (MBH) and cytoplasmic, soluble hydrogenase (SH) were measured in different growth phases. Growth of R. eutropha H16 on optimized BSGH medium yielded ~ 0.7 g cell dry weight L
conclusionsOur results suggest that reductive conditions and low ATPase activity might be signals for energy depletion, which, in turn, leads to increased hydrogenase biosynthesis to overcome this unfavorable situation. Addition of fructose or microelements have no, or a negative, influence on hydrogenase activity. Organic wastes (glycerol, BSGH) are promising carbon and energy sources for the formation of biomass harboring significant amounts of the biotechnologically relevant hydrogenases MBH and SH. The results are valuable for using microbial cells as producers of hydrogenase enzymes as catalysts in enzymatic fuel cells.
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