Spatiotemporal Gene Control
Spatiotemporal Gene Control - Related Videos
09:30
Mouse in Utero Electroporation: Controlled Spatiotemporal Gene Transfection
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Cited by 49 •
2011
A gene transfer method into the developing mouse brain is described by using a unique surgical method and special shape of electrodes. This unique technique allows transfection of plasmid DNA temporally and spatially, which will aid many neuroscientists in studying brain development.
11:53
Predicting Gene Silencing Through the Spatiotemporal Control of siRNA Release from Photo-responsive Polymeric Nanocarriers
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Cited by 6 •
2017
We present a novel method that uses photo-responsive block copolymers for more efficient spatiotemporal control of gene silencing with no detectable off-target effects. Additionally, changes in gene expression can be predicted using straightforward siRNA release assays and simple kinetic modeling.
02:33
Combinatorial Gene Control
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2020
Combinatorial gene control is the synergistic action of several transcriptional factors to regulate the expression of a single gene. The absence of one or more of these factors may lead to a significant difference in the level of gene expression or repression. The expression of more than 30,000 genes is controlled by approximately 2000-3000 transcription factors. This is possible because a single transcription factor can recognize more than one regulatory sequence. The specificity in gene...
08:00
Spatiotemporal Control of Protein Activity through Optogenetic Allosteric Regulation
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Cited by 1 •
2024
This protocol describes the application of an engineered blue-light-activated allosteric switch (LightR) domain for reversible spatiotemporal control of protein activity. Utilizing Src tyrosine kinase as a model, this study offers an elaborate protocol for developing and characterizing light-regulated Src (LightR-Src). It demonstrates the versatility of this approach across enzyme classes.
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...
FAQs
Inducible promoters link gene activity to an external or environmental signal, allowing researchers to activate expression at a chosen time rather than relying on continuous activity. Light, chemicals, or changes in the cellular environment can serve as triggers. This timing control helps coordinate protein production with developmental stages, engineered tissue formation, or other defined experimental conditions.
Tissue-specific regulatory elements emphasize where a gene is active by restricting expression to particular cells or tissues. Inducible systems emphasize when activity occurs by responding to a selected trigger. Combining these strategies can provide both spatial and temporal precision, helping bioengineers limit gene activity to an intended biological location and coordinate it with a defined time point.
The selected signal determines how gene activity can be controlled within an engineered biological system. Light, chemicals, and cellular-environment changes offer distinct ways to initiate expression, while the responding cells or tissues determine where the effect occurs. Matching the trigger to the system supports more precise spatial and temporal patterns and improves experimental control.
Researchers can align tissue-specific regulatory elements with inducible or externally triggered control so that gene activity occurs in selected cells at defined stages. This coordination can guide cell differentiation and pattern formation by linking protein production to both location and timing. In bioengineering, the approach supports deliberate development of engineered tissues rather than uncontrolled gene activity.
A strategy generally combines a gene whose activity is being regulated, a control element such as an inducible promoter or tissue-specific regulatory element, and a signal or condition that initiates the response. Depending on the design, the trigger may be light, a chemical, or a change in the cellular environment. Together, these components establish where and when expression occurs.
This approach is useful when therapeutic protein production needs tighter control over location or timing. Regulated expression can help place production in selected cells or tissues and coordinate it with a defined biological stage or external trigger. The resulting precision supports engineered systems in which protein production is linked to the intended therapeutic or tissue-development context.
In responsive biomaterials and engineered tissues, controlled gene activity can connect biological behavior to a signal or cellular condition. Spatial regulation helps produce distinct patterns across cells or locations, while temporal regulation coordinates changes during development. These capabilities support tissue designs that respond in organized ways and help researchers study how controlled gene activity shapes engineered biological structures.
Bioengineers apply these control strategies to disease models, cell-based therapies, pattern formation, and therapeutic protein production. In disease models, precise gene activity can help represent selected biological conditions. In cell-based therapies, controlling expression by location and time supports more deliberate cell behavior. Across these applications, the central benefit is improved experimental precision.