Orco Marker Gene
Orco Marker Gene - Related Videos
11:13
Adenoviral Gene Therapy for Diabetic Keratopathy: Effects on Wound Healing and Stem Cell Marker Expression in Human Organ-cultured Corneas and Limbal Epithelial Cells
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Cited by 27 •
2016
An example of adenoviral gene therapy in the human diabetic organ-cultured corneas is presented towards the normalization of delayed wound healing and markedly reduced epithelial stem cell marker expression in these corneas. It also describes the optimization of this process in stem cell-enriched limbal epithelial cultures.
08:36
Chitosan/Interfering RNA Nanoparticle Mediated Gene Silencing in Disease Vector Mosquito Larvae
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Cited by 94 •
2015
Here we describe a procedure for inhibiting gene function in disease vector mosquitoes through the use of chitosan/interfering RNA nanoparticles that are ingested by larvae.
12:55
Using the Gene Pulser MXcell Electroporation System to Transfect Primary Cells with High Efficiency
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Cited by 11 •
2010
This procedure shows how to use the Gene Pulser MXcell electroporation system to rapidly and easily identify the best electroporation conditions for mouse embryonic fibroblasts (MEFs) or other primary cells. Considerations for troubleshooting are also discussed in the associated video.
12:03
The Production of C. elegans Transgenes via Recombineering with the galK Selectable Marker
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Cited by 4 •
2011
The ability to produce transgenes for Caenorhabditis elegans using genomic DNA carried by fosmids is particularly attractive as all of the native regulatory elements are retained. Described is a simple and robust procedure for the production of transgenes via recombineering with the galK selectable marker.
08:56
Recombineering and Gene Targeting
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2023
One of the most widely used tools in modern biology is molecular cloning with restriction enzymes, which create compatible ends between DNA fragments that allow them to be joined together. However, this technique has certain restrictions that limit its applicability for large or complex DNA construct generation. A newer technique that addresses some of these shortcomings is recombineering, which modifies DNA using homologous recombination (HR), the exchange between different DNA molecules based...
FAQs
Orco supplies a conserved co-receptor component, while the odorant-specific receptor contributes the molecular identity of the odor being detected. Their partnership allows receptor complexes in olfactory receptor neuron membranes to respond when odorant binding changes channel activity. This division of roles helps researchers distinguish broadly shared olfactory machinery from receptor-specific contributions to smell coding.
Orco’s high conservation across insects makes it a useful reference point for comparing olfactory receptor neurons among species. A shared marker can help investigators examine whether sensory neuron organization, receptor expression, or odor-processing principles show common features. These comparisons provide a broader context for understanding how insect nervous systems detect and represent chemical signals.
Broad Orco expression marks many olfactory receptor neurons, whereas an odorant-specific receptor identifies neurons associated with a narrower receptor-defined population. The two approaches therefore answer different questions: Orco can reveal the overall distribution and organization of olfactory neurons, while receptor-specific labeling can help distinguish subsets involved in detecting particular odorant categories.
Researchers can use Orco expression to identify and label olfactory receptor neurons while examining how these cells appear and become organized during sensory system development. Tracking the marked population provides a way to relate neuron distribution to later olfactory circuit structure. This is especially useful when asking how the smell pathway is assembled within the nervous system.
Labeling Orco-expressing cells gives investigators a broad view of the neuronal population that contributes to insect olfaction. They can use that view to examine how sensory neurons are arranged within olfactory pathways and how those pathways relate to odor processing. The resulting cellular map supports investigations of circuit architecture rather than only individual receptor responses.
Because Orco identifies a broad population of olfactory receptor neurons, genetic manipulation associated with this marker can help test how those cells contribute to sensory processing and odor-guided behavior. Comparing outcomes after altering the relevant neuronal population can connect cellular activity with nervous-system function. This approach links molecular markers to circuit-level and behavioral research questions.