Characterization of the complete chloroplast genome sequence of Cardamine macrophylla (Brassicaceae)
2018
Cardamine macrophylla is a perennial herb with short-lived seeds. Here, the complete chloroplast genome (plastome) of C.macrophylla was obtained by Illumina sequencing technology. The plastome is 155,393 bp in length, including a large single copy (LSC) region of 84,492 bp, a small single copy (SSC) region of 17,957 bp and a pair of inverted repeats (IRs) of 26,472 bp. The genome contained 131 genes, including 85 protein-coding genes (78 PCG species), 37 tRNA genes (30 tRNA species), eight rRNA genes (four rRNA species) and one pseudogene. Among these genes, 15 genes harbored a single intron and three genes harbored two introns. Seven tRNA, five protein-coding and all four rRNA genes were completely duplicated in the IR regions. The GC content of C. macrophylla plastome is 36.4%. A total of 26,470 codons were detected in 85 protein-coding genes of C. macrophylla plastome. Phylogenetic analysis demonstrated that the all Cardamine species formed a monophyletic clade, and C. macrophylla was closely related to C. impatiens.
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