High-resolution melting analysis, a simple and effective method for reliable mutation scanning and frequency studies in the ACADVL gene

2010 ◽  
Vol 33 (3) ◽  
pp. 247-260 ◽  
Author(s):  
Rikke Katrine Jentoft Olsen ◽  
Steven F. Dobrowolski ◽  
Margrethe Kjeldsen ◽  
David Hougaard ◽  
Henrik Simonsen ◽  
...  
Keyword(s):  
High Resolution ◽  
High Resolution Melting ◽  
High Resolution Melting Analysis ◽  
Mutation Scanning ◽  
Melting Analysis

scholarly journals Rapid Detection of Human Torque Teno Viruses Using High-Resolution Melting Analysis

2013 ◽  
Vol 16 (1) ◽  
pp. 55-62 ◽  
Author(s):  
S Spandole ◽  
D Cimponeriu ◽  
M Toma ◽  
I Radu ◽  
D.A. Ion
Keyword(s):  
High Resolution ◽  
High Resolution Melting ◽  
Fluorescent Dyes ◽  
Melting Curve ◽  
High Resolution Melting Analysis ◽  
Dna Viruses ◽  
Mutation Scanning ◽  
Method Optimization ◽  
Melting Analysis ◽  
Curve Patterns

Abstract Torque teno viruses (TTVs) are recently discovered DNA viruses, with heterogeneous genomes, highly prevalent in populations worldwide. The species that infect humans are Torque teno virus (TTV), Torque teno midi virus (TTMDV) and Torque teno mini virus (TTMV). High-resolution melting analysis (HRMA) is a sensitive and effective method for genotyping and mutation scanning. Up to now, HRMA has not been utilized for detection of TTVs. The aim of this study was to asses if HRMA is suitable for detecting TTVs variants. DNA was extracted from the blood and saliva of 13 healthy subjects for method optimization. Additionally, saliva samples from 100 healthy individuals were collected for estimating the TTVs’ prevalence. Viral DNA was amplified by heminested polymerase chain reaction (PCR). Second round amplicons were used for the HRMA. The samples were analyzed using two fluorescent dyes, SYBR® Green I and EvaGreen®. The prevalence values for TTV, TTMDV and TTMV were 71.0, 31.0 and 54.0%, respectively. The three major melting curve patterns corresponding to TTV, TTMDV and TTMV on HRMA can be easily distinguished regardless of kit used. Our results showed that HRMA is a rapid and efficient method of detecting human TTVs.

scholarly journals Mutation Scanning the GJB1 Gene with High-Resolution Melting Analysis: Implications for Mutation Scanning of Genes for Charcot-Marie-Tooth Disease

2007 ◽  
Vol 53 (2) ◽  
pp. 349-352 ◽  
Author(s):  
Marina L Kennerson ◽  
Trent Warburton ◽  
Eva Nelis ◽  
Megan Brewer ◽  
Patsie Polly ◽  
...  
Keyword(s):  
High Resolution ◽  
High Resolution Melting ◽  
Mutation Screening ◽  
Gene Mutations ◽  
High Resolution Melting Analysis ◽  
Charcot Marie Tooth ◽  
Charcot Marie Tooth Disease ◽  
Mutation Scanning ◽  
Junction Protein ◽  
Melting Analysis

Abstract Background: X-linked Charcot-Marie-Tooth type 1 disease has been associated with 280 mutations in the GJB1 [gap junction protein, beta 1, 32kDa (connexin 32, Charcot-Marie-Tooth neuropathy, X-linked)] gene. High-resolution melting analysis with an automated instrument can be used to scan DNA for alterations, but its use in X-linked disorders has not been described. Methods: A 96-well LightScanner for high resolution melting analysis was used to scan amplicons of the GJB1 gene. All mutations reported in this study had been confirmed previously by sequence analysis. DNA samples were amplified with the double-stranded DNA-binding dye LC Green Plus. Melting curves were analyzed as fluorescence difference plots. The shift and curve shapes of melting profiles were used to distinguish controls from patient samples. Results: The method detected each of the 23 mutations used in this study. Eighteen known mutations provided validation of the high-resolution melting method and a further 5 mutations were identified in a blind study. Altered fluorescence difference curves for all the mutations were easily distinguished from the wild-type melting profile. Conclusion: High-resolution melting analysis is a simple, sensitive, and cost-efficient alternative method to scan for gene mutations in the GJB1 gene. The technology has the potential to reduce sequencing burden and would be suitable for mutation screening of exons of large multiexon genes that have been discovered to be associated with Charcot Marie Tooth neuropathy.

scholarly journals Determining the effectiveness of High Resolution Melting analysis for SNP genotyping and mutation scanning at the TP53 locus

BMC Genetics ◽  
2009 ◽  
Vol 10 (1) ◽  
pp. 5 ◽  
Author(s):  
Sonia Garritano ◽  
Federica Gemignani ◽  
Catherine Voegele ◽  
Tu Nguyen-Dumont ◽  
Florence Le Calvez-Kelm ◽  
...  
Keyword(s):  
High Resolution ◽  
High Resolution Melting ◽  
High Resolution Melting Analysis ◽  
Snp Genotyping ◽  
Mutation Scanning ◽  
Melting Analysis ◽  
Tp53 Locus

scholarly journals Parental mosaicism in Marfan and Ehlers–Danlos syndromes and related disorders

2021 ◽  
Author(s):  
Bertrand Chesneau ◽  
Aurélie Plancke ◽  
Guillaume Rolland ◽  
Nicolas Chassaing ◽  
Christine Coubes ◽  
...  
Keyword(s):  
High Resolution ◽  
Marfan Syndrome ◽  
High Resolution Melting ◽  
De Novo ◽  
Direct Sequencing ◽  
Causal Variant ◽  
Connective Tissue Disorder ◽  
High Resolution Melting Analysis ◽  
Aortic Diseases ◽  
Melting Analysis

AbstractMarfan syndrome (MFS) is a heritable connective tissue disorder (HCTD) caused by pathogenic variants in FBN1 that frequently occur de novo. Although individuals with somatogonadal mosaicisms have been reported with respect to MFS and other HCTD, the overall frequency of parental mosaicism in this pathology is unknown. In an attempt to estimate this frequency, we reviewed all the 333 patients with a disease-causing variant in FBN1. We then used direct sequencing, combined with High Resolution Melting Analysis, to detect mosaicism in their parents, complemented by NGS when a mosaicism was objectivized. We found that (1) the number of apparently de novo events is much higher than the classically admitted number (around 50% of patients and not 25% as expected for FBN1) and (2) around 5% of the FBN1 disease-causing variants were not actually de novo as anticipated, but inherited in a context of somatogonadal mosaicisms revealed in parents from three families. High Resolution Melting Analysis and NGS were more efficient at detecting and evaluating the level of mosaicism compared to direct Sanger sequencing. We also investigated individuals with a causal variant in another gene identified through our “aortic diseases genes” NGS panel and report, for the first time, on an individual with a somatogonadal mosaicism in COL5A1. Our study shows that parental mosaicism is not that rare in Marfan syndrome and should be investigated with appropriate methods given its implications in patient’s management.

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