Reversible Expression System
Reversible Expression System - Related Videos
11:04
Geomagnetic Field (Gmf) and Plant Evolution: Investigating the Effects of Gmf Reversal on Arabidopsis thaliana Development and Gene Expression
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Cited by 31 •
2015
This protocol describes a method to test the hypothesis that the reversal of the effective geomagnetic field (GMF) induces differential gene expression and alters the morphology of Arabidopsis thaliana. A triaxial octagonal system of Helmholtz coil-pairs was used to artificially generate reversed GMF conditions in the plant growth chamber.
12:22
The Use of Reverse Phase Protein Arrays (RPPA) to Explore Protein Expression Variation within Individual Renal Cell Cancers
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Cited by 12 •
2013
RPPA enables the protein expression of hundreds of samples, printed on nitrocellulose slides to be interrogated simultaneously, using fluorescently labelled antibodies. This technique has been applied to study the effect of drug treatment heterogeneity within clear cell renal carcinoma.
06:32
Reverse Phase Protein Arrays Based Protein Expression Analysis: A Procedure for Simultaneous Quantification of Expression of Multiple Proteins from Cell Lysate
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2023
This video demonstrates the methodology for performing Reverse Phase Protein Arrays (RPPA) to study protein expression patterns from cell lysate. In RPPA, the lysate containing a mixture of proteins is printed on nitrocellulose slides and proteins of interest are analyzed using fluorescently labeled antibodies.
11:40
Simplified Reverse Genetics Method to Recover Recombinant Rotaviruses Expressing Reporter Proteins
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Cited by 24 •
2020
Generation of recombinant rotaviruses from plasmid DNA provides an essential tool for the study of rotavirus replication and pathogenesis, and the development of rotavirus expression vectors and vaccines. Herein, we describe a simplified reverse genetics approach for generating recombinant rotaviruses, including strains expressing fluorescent reporter proteins.
10:10
Reverse Total Shoulder Arthroplasty
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Cited by 5 •
2011
Reverse total shoulder arthroplasty is indicated for the treatment of conditions that cannot be treated with conventional arthroplasty or other procedures. These primarily include degenerative and incapacitating conditions with irreparable rotator cuff and loss of the normal biomechanical coupling of the shoulder.
FAQs
The regulatory molecule changes the activity of an inducible promoter through either an activator or a repressor. Adding the molecule can promote or inhibit transcription, while removing it reverses that regulatory state. This relationship connects the experimental input to gene activity, allowing researchers to associate a defined change in regulation with a subsequent cellular response.
Activator-based regulation uses the regulatory molecule to support transcription through an inducible promoter, whereas repressor-based regulation uses it to inhibit transcription. In both arrangements, the key experimental variable is the presence or absence of the regulatory molecule. Choosing between them determines how researchers implement the desired switch and interpret changes in gene activity.
Temporal control lets investigators examine gene activity during selected experimental periods rather than exposing cells to continuous expression. This distinction matters because persistent protein production can create effects unrelated to the biological question or obscure responses that occur after regulation changes. Reversible control therefore helps separate timing-dependent gene functions from consequences of prolonged expression.
Researchers can compare conditions in which the regulatory molecule is added, removed, or withheld, then examine how cellular responses differ across those defined states. The resulting comparisons link gene activity with the timing of regulatory changes. This design is useful when investigators need to distinguish effects associated with gene activation from effects associated with turning expression off.
This approach supports studies that ask how changing protein production affects development, signaling, or disease mechanisms. Researchers can regulate a gene during selected conditions and compare the resulting cellular responses, helping clarify when its activity matters. The same strategy also supports investigations of therapeutic approaches that require controlled rather than continuously active protein production.
Therapeutic strategies may require protein production to be adjusted rather than maintained continuously. A reversible system provides a framework for examining how controlled changes in gene activity influence cellular responses and for comparing different regulatory states. In genetics, this flexibility helps researchers evaluate whether timing and reversibility are important features of a potential intervention.