Figure 1.

Circular demonstration of the two chromosomes and three plasmids of the Anabaena sp. 90 genome. The outermost and second circles of all replicons indicate genes in forward and reverse orientation colour-coded by their role categories as shown. The third circles of all replicons show G+C content in black and the fourth circles show the G+C skew in green (+) and purple (−). The fifth circles show the insertion sequences in red, putative prophage remnants in brown and MITEs in blue. The sixth circles show the pseudogenes with disrupted ORFs in green. The innermost circles of chromosome I and II show the rRNA genes in purple and tRNA genes in orange. The circular sizes of the replicons are not proportional to the actual sizes

Wang et al. BMC Genomics 2012 13:613   doi:10.1186/1471-2164-13-613
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