Corynebacterium Glutamicum
Corynebacterium Glutamicum - Related Videos
01:28
Optogenetic Control of Gene Expression in Corynebacterium glutamicum
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2025
Take a culture of Corynebacterium glutamicum, transformed with a plasmid carrying a fluorescent reporter gene downstream of the ribonucleic acid anti-terminator or RAT sequence, in a multi-well plate.During transcription, the RAT-RNA forms a stem-loop structure that blocks RNA polymerase, halting reporter gene expression.The plasmid also constitutively expresses LicV, a fusion protein comprising the RAT-RNA-binding protein, LicT, and the blue-light-sensitive VVD domain.In darkness, LicV remains...
12:04
Microfluidic Picoliter Bioreactor for Microbial Single-cell Analysis: Fabrication, System Setup, and Operation
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Cited by 75 •
2013
In this protocol the fabrication, setup and basic operation of a microfluidic picoliter bioreactor (PLBR) for single-cell analysis of prokaryotic microorganisms is introduced. Industrially relevant microorganisms were analyzed as proof of principle allowing insights into growth rate, morphology, and phenotypic heterogeneity over certain time periods, hardly possible with conventional methods.
03:30
An In Vitro Assay to Study Microbial Interactions in Co-Culture
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2026
Source: Temkin, M. I. et al. High Throughput Co-culture Assays for the Investigation of Microbial Interactions. J. Vis. Exp. (2019)This video demonstrates an in vitro assay to study microbial interactions between Corynebacterium propinquum and Staphylococcus in a co-culture.
FAQs
Researchers alter metabolic pathways so carbon sources flow more efficiently toward a selected target rather than being distributed only through the organism’s native processes. They can also adjust transport systems, which influence movement of products across the cell boundary. This combined strategy links intracellular conversion with product availability, helping engineered strains accumulate or release the compound during fermentation.
Transport systems matter because pathway changes alone do not determine whether a product becomes available outside the cell. In this bacterium, engineered transport can support movement of target compounds, while its demonstrated ability to secrete L-glutamate and L-lysine shows why export is valuable. Improved release connects cellular biosynthesis with controlled fermentation and product recovery.
Robust growth and established genetic tools make the organism practical for iterative strain development. Researchers can introduce or adjust pathway functions, evaluate how carbon conversion changes, and select designs that support target production. These features facilitate testing of bioengineering strategies, while established production of L-glutamate and L-lysine provides important context for its industrial relevance.
Its engineering scope extends beyond amino acids to organic acids, proteins, and other biochemicals. The specific product depends on how researchers redesign metabolic pathways and transport systems to direct carbon sources toward the desired molecule and support its release. This breadth makes the organism useful as a flexible production platform rather than a system limited to one commercial compound.
Development begins by selecting a target compound and identifying pathway and transport changes that could improve carbon-source conversion. Researchers then build or modify the strain using established genetic tools. Controlled fermentation provides the production setting in which the engineered cells convert carbon sources and release the target for evaluation.
By converting carbon sources into amino acids and other valuable compounds through microbial fermentation, engineered strains support more sustainable manufacturing. Established use for L-glutamate and L-lysine, together with ongoing development for organic acids, proteins, and other biochemicals, illustrates how this bacterium can contribute to diversified biological production platforms.