When is an SNP not an SNP?

Genomic duplications are important sources of structural change and gene innovation. In humans, the most recent and highly identical sequences (>90% homology, >1 kb long) are known as segmental duplications (SDs). Single-nucleotide variants or single-nucleotide polymorphisms within SDs have no...

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Veröffentlicht in:BioTechniques. - 1988. - (2024) vom: 12. Sept., Seite 1-9
1. Verfasser: Jalilzadeh, Shapour (VerfasserIn)
Weitere Verfasser: Walker, Valerie, Leggatt, Gary P, Hatchwell, Eli
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:BioTechniques
Schlagworte:Journal Article PCR SNV Sanger sequencing T2T TCAF2 genotype in silico pseudogene segmental duplication
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520 |a Genomic duplications are important sources of structural change and gene innovation. In humans, the most recent and highly identical sequences (>90% homology, >1 kb long) are known as segmental duplications (SDs). Single-nucleotide variants or single-nucleotide polymorphisms within SDs have not been systematically assessed due to limitations around mapping short-read sequencing data. Single-nucleotide variant rs62486260 was flagged in a study of familial renal stone disease but it was unclear whether it was real or an artifact resulting from the presence of a SD. We describe in silico and wet-lab approaches to investigate this, using segment-specific long-PCR assays, followed by short PCR for Sanger sequencing. Our conclusion was that rs62486260 is an artifact. Our approach can be generalized to deal with other such situations 
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700 1 |a Walker, Valerie  |e verfasserin  |4 aut 
700 1 |a Leggatt, Gary P  |e verfasserin  |4 aut 
700 1 |a Hatchwell, Eli  |e verfasserin  |4 aut 
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