Gfp Tagged Ribosomal Subunit
Gfp Tagged Ribosomal Subunit - Related Videos
06:09
In Vitro Reassociation Assay to Measure the Formation of 80S Ribosomal Particles Using Salt-washed Ribosomal Subunits
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2025
Here, we describe a detailed protocol for the in vitro reassociation of purified, salt-washed eukaryotic ribosomal subunits for the analysis of 80S particle formation. This method is illustrated by analyzing ribosomal subunits isolated from a wild-type strain of Saccharomyces cerevisiae and a mutant strain deficient in the ribosomal protein eL24.
10:41
Using a GFP-tagged TMEM184A Construct for Confirmation of Heparin Receptor Identity
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Cited by 2 •
2017
A construct encoding TMEM184A with a GFP tag at the carboxy-terminus designed for eukaryotic expression, was employed in assays designed to confirm the identification of TMEM184A as a heparin receptor in vascular cells.
09:20
Isolation of Subcellular Ribosome Subpopulations Based on Recombinant Peptide Tag-Specific Location-Restricted Illumination-Enhanced Biotinylation
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2026
AviTag-specific Location-restricted Illumination-enhanced Biotinylation (ALIBi) is a novel optogenetically activated method developed for labeling and affinity-purifying subcellular populations of ribosomes for downstream sequencing and proteomic analysis.
02:53
Ribosomal RNA Synthesis
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2020
Ribosome synthesis is a highly complex and coordinated process involving more than 200 assembly factors. The synthesis and processing of ribosomal components occurs not only in the nucleolus but also in the nucleoplasm and the cytoplasm of eukaryotic cells. Ribosome biogenesis begins with the synthesis of 5S and 45S pre-rRNAs by distinct RNA polymerases. The primary transcripts are extensively processed and modified before they are bound and folded by ribosomal proteins and assembly factors,...
09:14
Imaging Calcium Responses in GFP-tagged Neurons of Hypothalamic Mouse Brain Slices
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Cited by 5 •
2012
In this protocol, we update recent progress in imaging Ca2+ signals of GFP-tagged neurons in brain tissue slices using a red fluorescent Ca2+ indicator dye.
FAQs
Fluorescence from GFP is detected after excitation with appropriate light, allowing researchers to map where the labeled ribosomal subunit is located in living cells. Changes in signal distribution can provide spatial information about ribosome localization under a defined experimental condition. This makes microscopy useful for following cellular organization alongside biochemical measurements.
A GFP-tagged ribosomal subunit can report movement, assembly, or exchange by revealing how its fluorescence pattern changes over time. These observations describe behavior of the labeled component, not automatically all ribosomes. Combining imaging with genetic or biochemical analysis helps determine how confidently fluorescence changes represent ribosome dynamics.
Before interpreting fluorescence, researchers need to evaluate whether the fusion disrupts subunit structure or translational activity. A tag that changes these properties could make observed localization, movement, assembly, or exchange differ from normal ribosome behavior. This validation protects against treating an artifact of labeling as a biological response.
Association of the GFP fusion with its intended ribosomal subunit gives the fluorescence a defined molecular reference. Signal can then be interpreted in relation to that subunit’s localization or behavior, rather than as fluorescence from an unrelated pool of free labeled protein. This distinction matters when assessing assembly or exchange during changing cellular conditions.
A basic experimental workflow combines a genetic fusion, living-cell fluorescence microscopy, and follow-up genetic or biochemical analysis. Researchers examine the fluorescently labeled component under selected experimental conditions, then compare its localization or behavior with relevant functional measurements. This integrated approach connects visible ribosome patterns with subunit structure and translational activity.
Fluorescence microscopy supplies spatial or behavioral information, while genetic and biochemical analyses provide independent evidence about the labeled ribosomal component. Using these approaches together can help evaluate whether a signal reflects genuine subunit localization, assembly, or exchange and whether the fusion preserves expected structural and translational properties. Imaging alone does not establish normal function.
This approach is useful when researchers need to examine how ribosomes are distributed or behave during environmental or physiological changes. It can support studies of protein synthesis, ribosome distribution, and cellular responses by linking fluorescence patterns to experimental conditions. The method is most informative when researchers also assess whether labeling altered subunit structure or translation.