Related Experiment Video
Updated: May 6, 2026
14:53
Techniques for the Evolution of Robust Pentose-fermenting Yeast for Bioconversion of Lignocellulose to Ethanol
Published on: October 24, 2016
11.2K
Recent fermentation developments for improved rhamnolipid production.
Phavit Wongsirichot1, James Winterburn2
1Department of Chemical Engineering, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK.
Applied Microbiology and Biotechnology
|June 13, 2025
Summary
Rhamnolipids (RL) are promising biosurfactants. This review details advancements in microbial production, fermentation, and media to enhance RL yields for improved techno-economic viability and market competitiveness.
Area of Science:
- Microbiology
- Biotechnology
- Biochemistry
Background:
- Rhamnolipids (RL) are microbial amphiphiles with significant biosurfactant potential.
- Applications span traditional uses, bioremediation, and biomedical fields.
- Current commercialization is limited by production efficiency.
Purpose of the Study:
- To review recent advancements in rhamnolipid (RL) production.
- To identify key strategies for improving RL titers, yields, and productivities.
- To assess RL production in the context of pilot-scale and techno-economic analyses.
Main Methods:
- Comprehensive literature assessment of studies on microbial producers.
- Analysis of media formulation and fermentation design improvements.
- Evaluation of operational strategies for enhanced RL synthesis.
Main Results:
- Significant progress has been made in optimizing microbial strains and fermentation processes.
- Advanced media formulations and operational strategies contribute to higher RL production.
- Techno-economic feasibility is being improved through enhanced production metrics.
Conclusions:
- Optimized production is crucial for the commercial viability of rhamnolipids (RL).
- Continued research in microbial enhancement and fermentation design is essential.
- These advancements pave the way for wider RL and biosurfactant market adoption.
Related Concept Videos
01:23Microbial Fermentation
1.8K
Fermentation is a crucial anaerobic metabolic process that enables microbes to derive energy from sugar without relying on oxygen or an electron transport chain. This process is fundamental to various biological and industrial applications and is classified based on the metabolic products generated.Role of Pyruvate in FermentationPyruvate and its derivatives serve as key electron acceptors in fermentative pathways. The oxidation of NADH to regenerate NAD+ is essential for the continuation of...
1.8K
01:29Microbes in Food Production
409
Microbial fermentation is central to food biotechnology, enhancing flavor, texture, preservation, and stability. Fermentative microorganisms metabolize carbohydrates into organic acids, alcohols, and other metabolites that inhibit spoilage organisms and improve digestibility while contributing distinctive sensory qualities.In baking, amylases naturally present in flour hydrolyze starch into monosaccharides such as glucose, which Saccharomyces cerevisiae ferments anaerobically. Through...
409
01:22Bioreactor Controls-III
71
Strain improvement is a foundational strategy in industrial microbiology aimed at maximizing microbial productivity, particularly because natural isolates typically yield commercially valuable products in very low concentrations. Although optimizing the culture medium and environmental conditions can improve yields, these adjustments are inherently limited by the organism’s genetic potential. As a result, the focus shifts toward genetic modifications to enhance biosynthetic capacity. The...
71
01:25Production of Organic Acids
111
Lactic acid, an important organic acid extensively applied in food, pharmaceutical, and biodegradable polymer industries, is primarily produced via microbial fermentation. This method is favored over chemical synthesis due to its environmental sustainability and capacity for enantiomerically pure product formation. Among various microbial processes, the fermentation of starch-based substrates stands out due to the abundance and renewability of raw materials like corn and potatoes.Hydrolysis of...
111
01:27Production of Antibiotics
285
Penicillin, one of the earliest and most widely used antibiotics, is produced industrially by the filamentous fungus Penicillium chrysogenum. Large stirred-tank bioreactors ranging from tens to hundreds of thousands of liters maintain tightly controlled temperature, pH, and dissolved oxygen conditions to support fungal metabolism and maximize antibiotic yield. Penicillin is a secondary metabolite, synthesized primarily during the stationary growth phase, which requires a carefully managed...
285
01:25Biofuels
112
The microbial conversion of organic matter into biofuels holds potential as a renewable energy source. Among biofuel sources, microalgae are recognized as a highly efficient and adaptable feedstock for biodiesel production, owing to their rapid biomass accumulation, elevated lipid productivity, and capacity to proliferate in diverse aquatic systems, including freshwater, marine, and wastewater habitats. Unlike terrestrial crops, microalgae do not compete for land and can achieve significantly...
112