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Updated: Jun 23, 2026

Genetic Variant Detection in the CALR gene using High Resolution Melting Analysis

Genetic Variant Detection in the CALR gene using High Resolution Melting Analysis

Published on: August 26, 2020

High-resolution melting analysis (HRMA): more than just sequence variant screening.

Rolf H A M Vossen¹, Emmelien Aten, Anja Roos

¹Leiden Genome Technology Center (LGTC), Human and Clincal Genetics, Leiden University Medical Center, Leiden, The Netherlands.

|May 7, 2009

Summary

High-resolution melting curve analysis (HRM) enhances DNA variant detection sensitivity. This versatile technology offers a cost-effective and rapid method for various genetic analyses in molecular laboratories.

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Area of Science:

Molecular Biology
Genetics
Biochemistry

Background:

DNA melting (denaturation) is a long-established technique for DNA structure and composition analysis.
Recent advancements in instrumentation and saturating DNA dyes have significantly improved DNA variant detection capabilities.

Purpose of the Study:

To discuss recent developments in high-resolution melting curve analysis (HRM).
To review diverse applications of HRMA beyond variant detection, highlighting its multipurpose nature.

Main Methods:

Utilizes improved temperature precision and increased measurement rates for enhanced DNA melting analysis.
Employs saturating DNA dyes to increase sensitivity and specificity in detecting sequence variations.

Main Results:

HRMA demonstrates superb sensitivity, specificity, ease of use, and cost-effectiveness.
HRMA is becoming a preferred tool for screening pathogenic DNA variants and offers applications in SNP typing, methylation analysis, and copy number variant quantification.

Conclusions:

HRMA is a versatile, powerful tool for genetic analysis, suitable for various applications.
Its efficiency and broad applicability make HRMA an essential technology for nucleic acid research laboratories.