Additional file 2: Figure S1. of The evolutionary dynamics of tRNA-gene copy number and codon-use in E. coli. McDonaldMichael ChouChih-Hung SwamyKrishna HuangHsien-Da LeuJun-Yi 2015 Enriched tRNA genes for O157:H7 Edl933 concur with the tRNA genes enriched in O157:H7 Sakai (Fig. 2a). Enriched tRNA genes for all other Shigella strains concur with the tRNA genes enriched in O157:H7 Sakai (Fig. 2a). (PDF 847 kb)