Related Experiment Video
Updated: Jan 31, 2026
12:07
Sequence-specific Labeling of Nucleic Acids and Proteins with Methyltransferases and Cofactor Analogues
Published on: November 22, 2014
14.4K
Sequence-Specific End Labeling of Oligonucleotides (SSELO)-Based Microbial Detection.
Tanja Kostic1, Levente Bodrossy2
1Bioresources Unit, AIT Austrian Institute of Technology, Tulln an der Donau, Austria. tanja.kostic@ait.ac.at.
Methods in Molecular Biology (Clifton, N.J.)
|December 24, 2018
Summary
Sequence-specific end labeling of oligonucleotides (SSELO) offers a unique diagnostic approach. This method enhances specificity and sensitivity for detecting microbial pathogens, particularly in food safety applications.
Area of Science:
- Molecular Biology
- Biotechnology
- Diagnostic Assays
Background:
- Oligonucleotide microarrays are crucial for diagnostics.
- Traditional methods face limitations in specificity and sensitivity.
- Sequence-specific end labeling of oligonucleotides (SSELO) emerged as an alternative.
Purpose of the Study:
- To introduce and elaborate on the SSELO approach.
- To highlight its advantages over conventional labeling methods.
- To underscore its applicability in microbial diagnostics.
Main Methods:
- SSELO shifts the specificity determination from hybridization to the labeling step.
- Careful probe design is essential for high specificity.
- The method allows for sensitive detection of target sequences.
Main Results:
- SSELO achieves high specificity, enabling single nucleotide polymorphism (SNP) detection.
- Demonstrated detection sensitivity is as low as 0.1% relative abundance.
- The approach proves effective for diagnostic systems.
Conclusions:
- SSELO is a robust technique for developing diagnostic microarrays.
- Its high specificity and sensitivity make it ideal for microbial detection.
- The method shows particular promise for foodborne bacterial pathogen identification.
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