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Figure 4 | BMC Genomics

Figure 4

From: Fragmented mitochondrial genomes of the rat lice, Polyplax asiatica and Polyplax spinulosa: intra-genus variation in fragmentation pattern and a possible link between the extent of fragmentation and the length of life cycle

Figure 4

Translocations of tRNA genes between mitochondrial minichromosomes and identity-swap between tRNA-leucine genes in the rat lice, Polyplax asiatica and Polyplax spinulosa. Minichromosomes are separated by a comma (,). Genes on the same minichromosome are linked by a hyphen (-). Genes underlined have an opposite orientation of transcription relative to those not underlined. Minichromosomes and gene arrangements that are ancestral to the Polyplax rat lice, the human lice and the pig lice are indicated with solid-line boxes. tRNA genes that were translocated in the Polyplax lice are indicated with dot-line boxes. The two minichromosomes of Po. asiatica where the tRNA-leucine genes swapped identities are also indicated with dot-line boxes. The phylogeny and the date estimate for the common ancestors are after Light et al. [3].

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