Identification of mitochondrial DNA (mtDNA) mutations is essential for diagnosis and genetic counseling of mitochondrial diseases. In this chapter, we describe a strategy for the rapid identification of heteroplasmic mtDNA mutations that can be used routinely in molecular genetic laboratories. This protocol involves the following three steps: (i) PCR amplification of the entire human mitochondrial genome with 17 overlapping PCR products, (ii) localization of mtDNA mismatch(es) after digestion of the 17 amplicons by Surveyor Nuclease, a member of a family of plant DNA endonucleases that cleave double-strand DNA at any mismatch site, and (iii) identification of the mutation by sequencing the region containing the mismatch.
CITATION STYLE
Bannwarth, S., Procaccio, V., & Paquis-Flucklinger, V. (2009). Rapid identification of unknown heteroplasmic mitochondrial DNA mutations with mismatch-specific surveyor nuclease. Methods in Molecular Biology (Clifton, N.J.), 554, 301–313. https://doi.org/10.1007/978-1-59745-521-3_19
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