Figure 2.

Linear map of the mitochondrial genome of the pterobranch Rhabdopleura compacta with the (G + T)/(A + C) ratios at each nucleotide position computed for windows of size 300 (see Methods). The nucleotides were counted starting with COX1 and are shown on the bottom scale. Genes located above the middle line are transcribed from the heavy strand whereas those located below the middle line are transcribed from the light strand. UAS regions > 16 bp are indicated by arrows with the number showing their length. The values of a (G + T)/(A + C) ratio larger than slope (m = 2.824) of a fitted linear model are shaded.

Perseke et al. BMC Evolutionary Biology 2011 11:134   doi:10.1186/1471-2148-11-134
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