The Goat Anti-tdTomato, DyLight® 488 Polyclonal IgG Antibody is a widely-used tool in cellular and molecular biology for detecting the tdTomato fluorescent protein, a bright red fluorescent protein often used as a genetic marker in research NIH on Fluorescent Protein Markers. Conjugated with DyLight® 488, a stable and highly photostable green fluorescent dye, this antibody enables direct detection of tdTomato-labeled proteins and cells under various fluorescence-based imaging techniques, such as fluorescence microscopy and flow cytometry NLM on Fluorescence Techniques.
What is DyLight® 488?
DyLight® 488 is part of the DyLight family of fluorophores known for their brightness and photostability. It is commonly used in flow cytometry, immunofluorescence, and fluorescence microscopy to label antibodies or proteins. This conjugate ensures minimal photobleaching during imaging, critical for live-cell imaging and studies requiring prolonged exposure CDC on Fluorescence in Microscopy.
Applications of Goat Anti-tdTomato, DyLight® 488 Polyclonal IgG Antibody
- Immunofluorescence
This antibody is ideal for immunofluorescence studies to detect tdTomato-tagged proteins within cell cultures, tissues, or whole organisms NIH on Immunofluorescence Applications. It provides a convenient and stable fluorescent signal that helps visualize tdTomato expression in complex biological samples. - Flow Cytometry
DyLight® 488 conjugation makes this antibody particularly useful in flow cytometry for quantifying tdTomato-expressing cell populations NIH Flow Cytometry Resources. This is beneficial in studies involving gene expression, protein localization, or tracking specific cell populations within heterogeneous samples NCBI Gene Expression Analysis. - Western Blotting
Used in Western blotting, this antibody aids in detecting tdTomato protein levels in various samples, with the DyLight® 488 fluorescence allowing for sensitive detection under UV illumination NCBI on Western Blotting.
Technical Specifications
- Host: Goat
- Clonality: Polyclonal
- Conjugate: DyLight® 488
- Applications: Western blotting, immunofluorescence, and flow cytometry
For more details, refer to the FDA Laboratory Assay Guidelines.
Advantages of Using DyLight® 488
- Enhanced Sensitivity and Signal Stability
DyLight® 488 provides strong signal stability under intense UV light, reducing photobleaching and enabling more precise imaging for extended periods NIST on Fluorescent Standards. - High Photostability
This fluorophore is well-suited for applications requiring prolonged illumination, such as live-cell imaging or time-lapse microscopy NIH Guide on Photostability. - Compatibility with Standard Protocols
DyLight® 488 is compatible with standard fluorescent protocols and does not require specialized equipment, making it easy to integrate into existing workflows CDC Laboratory Protocols.
Optimization and Usage Tips
For optimal results, follow recommended protocols for antibody dilution, incubation time, and imaging settings NIH Antibody Dilution Guide. Consider using controls to ensure specificity and avoid background noise NCBI on Background Reduction in Fluorescence.
- Storage Conditions
Store the antibody at 2–8°C for short-term use, or -20°C for extended storage to preserve conjugate stability FDA Storage Recommendations. - Handling Precautions
Avoid repeated freeze-thaw cycles and protect the antibody from prolonged exposure to light CDC Lab Safety Guidelines.
Potential Applications in Research
The Goat Anti-tdTomato, DyLight® 488 Polyclonal IgG Antibody is frequently used in fields such as neuroscience, immunology, and oncology. It enables researchers to track tdTomato-tagged proteins within complex systems, allowing for in-depth study of protein localization, expression levels, and interactions NIMH on Neuroscience Research Applications, NIH Cancer Research Resources.
- Tracking Gene Expression
In genetic research, tdTomato-tagged genes can be tracked to assess their expression within cells or tissues, providing insight into gene function and regulation NCBI Gene Function Studies. - Protein-Protein Interactions
By labeling tdTomato-fused proteins, researchers can observe protein-protein interactions within live cells, helping uncover molecular pathways involved in various diseases NCBI Protein Interactions. - Cellular Signaling Pathways
The DyLight® 488 conjugate facilitates the study of cellular signaling pathways involving tdTomato-tagged molecules, making this antibody a valuable tool in cell signaling research NCBI Cell Signaling Pathways.
Conclusion
The Goat Anti-tdTomato, DyLight® 488 Polyclonal IgG Antibody is an indispensable tool for researchers looking to track tdTomato expression in diverse biological systems. Its bright and stable fluorescence enhances the clarity and reproducibility of results across applications in microscopy, flow cytometry, and Western blotting CDC on Laboratory Assay Standards. This antibody’s compatibility with various protocols and its robustness make it ideal for both basic and advanced research applications, including gene expression analysis, cell signaling studies, and protein interaction assays NCI Research Standards.
By leveraging the capabilities of this high-performance antibody, researchers can enhance their studies’ accuracy and contribute valuable insights to fields such as developmental biology, oncology, and molecular genetics NIH Molecular Genetics Resources.



