Translocation Frequency
Translocation Frequency - Related Videos
12:27
Measuring Peptide Translocation into Large Unilamellar Vesicles
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Cited by 9 •
2012
This protocol details a method for the quantitative measure of peptide translocation into large unilamellar lipid vesicles. This method also provides information about the rate of membrane translocation and can be used to identify peptides that efficiently and spontaneously cross lipid bilayers.
09:40
Quantitation and Analysis of the Formation of HO-Endonuclease Stimulated Chromosomal Translocations by Single-Strand Annealing in Saccharomyces cerevisiae
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Cited by 9 •
2011
The HO-stimulated translocation assay monitors single-strand annealing following the creation of DNA double-strand breaks at multiple loci in diploid Saccharomyces cerevisiae. This mechanism may model genome rearrangements in somatic cells of higher eukaryotes following exposure to high doses of ionizing radiation.
05:39
Quantitative Measurement of GLUT4 Translocation to the Plasma Membrane by Flow Cytometry
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Cited by 20 •
2010
This protocol describes a rapid technique to quantify the translocation of GLUT4 from the cytoplasm to the plasma membrane of cells by flow cytometry.
10:41
Detection of Toxin Translocation into the Host Cytosol by Surface Plasmon Resonance
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Cited by 14 •
2012
In this report, we describe how surface plasmon resonance is used to detect toxin entry into the host cytosol. This highly sensitive method can provide quantitative data on the amount of cytosolic toxin, and it can be applied to a range of toxins.
02:47
Evaluating the Effect of Beneficial Bacteria on Gut Microbial Translocation in Heat-Stressed Rats
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2025
Source: Sorokulova, I., et al. Prevention of Heat Stress Adverse Effects in Rats by Bacillus subtilis Strain. J. Vis. Exp. (2016)This video demonstrates rats pre-treated with beneficial bacteria or phosphate-buffered saline (PBS) and exposed to heat stress to evaluate gut barrier integrity. Fewer gut-derived bacterial colonies from the liver of treated rats, in contrast to numerous colonies in control rats, indicate an intact epithelial barrier and minimal bacterial translocation.
FAQs
A translocation can arise when a cell misrepairs DNA double-strand breaks and joins fragments originating from different chromosomes. The resulting rearrangement reflects an error in restoring chromosome continuity rather than a simple loss of DNA at one break site. Measuring how often these events occur helps researchers evaluate genome stability across a cell population, organism, or study sample.
During meiosis, abnormal chromosome pairing or unequal exchange can generate translocations. These events arise from errors in the normal interactions between chromosome regions, rather than solely from double-strand-break misrepair in other cellular contexts. Examining translocation frequency in meiotic material therefore helps characterize inherited chromosomal variation and supports investigations of how rearrangements may be transmitted.
A chromosome rearrangement can alter the genomic context of affected regions, with potential consequences for gene regulation and cell behavior. Consequently, translocation frequency provides more than a count of structural changes: it can serve as an indicator of genome instability and help researchers investigate biological patterns associated with cancer or developmental disorders.
Cytogenetic analysis, fluorescence in situ hybridization, and sequencing are identified approaches for detecting translocations. Together, these methods allow investigators to examine chromosome rearrangements in cells or study samples and determine how frequently they occur. The resulting measurements can support characterization of inherited variation, genome-stability studies, and investigations of disease-associated chromosome changes.
Researchers assess the frequency by examining a defined cell population, organism, or study sample for chromosome rearrangements and determining the rate at which they occur. Detection may use cytogenetic analysis, fluorescence in situ hybridization, or sequencing. The measured pattern can then be interpreted in relation to genome stability, inherited chromosomal variation, or disease-associated findings.
Measuring translocation frequency is useful when researchers need to assess genome stability, characterize inherited chromosomal variation, or investigate chromosome rearrangements linked with developmental disorders and cancer. The findings can support diagnosis and risk assessment while also providing a basis for studying how rearranged chromosome regions influence gene regulation and cellular behavior.