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  1. SnpEff: Genetic variant annotation and effect prediction toolbox
  2. SnpEff is a variant annotation and effect prediction tool. It
  3. annotates and predicts the effects of variants on genes (such as amino
  4. acid changes).
  5. Input: The inputs are predicted variants (SNPs, insertions, deletions
  6. and MNPs). The input file is usually obtained as a result of a
  7. sequencing experiment, and it is usually in variant call format (VCF).
  8. Output: SnpEff analyzes the input variants. It annotates the variants
  9. and calculates the effects they produce on known genes (e.g. amino
  10. acid changes).
  11. This also installs SnpSift, a toolbox that allows you to filter and
  12. manipulate annotated files. Once your genomic variants have been
  13. annotated, you need to filter them out in order to find the
  14. "interesting / relevant variants". Given the large data files, this is
  15. not a trivial task (e.g. you cannot load all the variants into XLS
  16. spreadsheet). SnpSift helps to perform this VCF file manipulation and
  17. filtering required at this stage in data processing pipelines.
  18. If you are using SnpEff or SnpSift, please cite:
  19. A program for annotating and predicting the effects of single
  20. nucleotide polymorphisms, SnpEff: SNPs in the genome of Drosophila
  21. melanogaster strain w1118; iso-2; iso-3.", Cingolani P, Platts A, Wang
  22. le L, Coon M, Nguyen T, Wang L, Land SJ, Lu X, Ruden DM. Fly (Austin).
  23. 2012 Apr-Jun;6(2):80-92. PMID: 22728672