Fig . 1 . The major groups of STCs in 1,756 tomato STCs . Fig . 2 . Retrotransposons composition in tomato STCs . The results were obtained by searching the tomato STC database using FASTA and TFASTA with representative retrotransposon sequences as queries as described in the text .   64% 30% 6% 0% 20% 40% 60% 80% gypsy copia nonLTR Retrotransposons 41% Repetitive sequences 13% Genes 40% Miscellaneous 6%