Comparative analysis of genomic features among 15 mt genomes.

We summarized several genomic features from 15 representative mt genomes, including AT content of the mt genomes, the percentage of gene-coding sequences, and the percentage of chloroplast-derived sequences in mt genome sequences. We only used the genus names for the reference genomes.aInformation about these mt genomes are from reference [69] and information about other plant mt genomes are either from original publications or NCBI databases (see Table S1).bTo be consistent, repetitive sequence contents in the 15 plant mt genomes are all computed by using REPuter (length >50 bp; mismatch ≤3).