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Fig. 6 | BMC Evolutionary Biology

Fig. 6

From: Complete mitochondrial genomes of Nanorana taihangnica and N. yunnanensis (Anura: Dicroglossidae) with novel gene arrangements and phylogenetic relationship of Dicroglossidae

Fig. 6

Proposed mechanism of gene rearrangements in the N. yunnanensis mitogenome under a model of tandem duplication of gene regions and subsequent gene deletions. a Typical Dicroglossidae gene order. b The dimeric molecule with two monomers linked head-to-tail and subsequent first deletions of partial genes or complete genes resulting in the derived gene order. c State in N. yunnanensis after the first duplication and deletion. d Tandem duplication in the area from the control region (CR) to trnE (Glu) and subsequent second deletions of partial genes or complete genes resulting in the derived gene order. e State in N. yunnanensis after the second duplication and deletion. f Tandem duplication in the region of CR1-trnQ (Gln), CR2-trnP (Pro) and trnS (Ser)-CR3, respectively, and subsequent third deletions of partial genes or complete genes resulting in the derived gene order. g State in N. yunnanensis after the third duplication and deletion. * means that the tandem replicated genes were partially deleted and # means that the tandem replicated genes were completely deleted

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BMC Ecology and Evolution

ISSN: 2730-7182

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