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Table 7 Putative Single Nucleotide Polymorphism (SNP) identification from the GigasDatabase.

From: Generation and analysis of a 29,745 unique Expressed Sequence Tags from the Pacific oyster (Crassostrea gigas) assembled into a publicly accessible database: the GigasDatabase

SNP Type Number Percentage
Non Synonymous 1344 17.85
Synonymous 5097 67.69
Indel 1089 14.46
Total 7530 100
A/G 1860 36.49
T/C 1494 29.31
A/C 551 10.81
A/T 284 5.57
T/G 381 7.47
G/C 518 10.16
TriNucleotides 9 0.19
Total 7530 100
  1. Indels are Insertions and Deletions detected in the sequences with a range of 1 to 13 bases
  2. Two distinct subcategories of SNP have been identified:
  3. - Transition (ts) e.g. AG; TC that are mutations between two puric bases (A/G) or between two pyrimidic bases (C/T)
  4. - Transversion (tv) e.g. AC; AT; TG; GC that are mutations between puric and pyrimidic bases
  5. Trinucleotides are polymorphic sites that show three alleles at the same locus.