Fig. 1
From: Multiple independent structural dynamic events in the evolution of snake mitochondrial genomes
Comparison of mitochondrial gene organizations of snakes. The mitochondrial gene organization of snakes is illustrated as I, II, III, III-A, B, B1, C, D, E, F, G. Circular mitogenomes are represented linearly as bars and genes encoded by the H-strand and L-strand are shown, without and with the arrow, respectively. Genes, pseudogenes, control regions (CRs), non-coding regions, and light-strand replication origins are shown in boxes. The sizes of the boxes reflect the relative length of the genes and non-coding regions. Several genes relevant to discussions on gene rearrangements are highlighted in different color. Dotted arrows indicate the rearranged genes and the inferred evolutionary directions of the rearrangements