Analysis Methods | Isaac Somatic Variant Caller

Isaac Somatic Variant Caller

The Isaac Somatic Variant Caller detects somatic SNVs and indels in sequencing data from a tumor and matched normal sample, based on the following assumptions:

The normal sample is a mixture of diploid germline variation and noise.
The tumor sample is a combination of the normal sample and somatic variation. It is assumed that the somatic variation and the normal noise can occur at any allele frequency ratio.

For SNVs, but not for indels, the normal noise component is further modeled as a combination of single-strand and double-strand noise.

Figure Isaac Somatic Variant Caller Method

Note

For a detailed overview of Isaac Somatic Variant Caller methods, go to www.ncbi.nlm.nih.gov/pubmed/22581179.