The complete chloroplast genome sequences of three <i>Adenophora</i> species and comparative analysis with Campanuloid species (Campanulaceae)
by Kyeong-Sik Cheon, Kyung-Ah Kim, Ki-Oug Yoo
We report the complete chloroplast genomes of three Adenophora species, and analyzed these compared them to five published Campanuloid plastomes. The total genome length of Adenophora divaricata, Adenophora erecta, and Adenophora stricta ranged from 159,759 to 176,331 bp. Among the eight Campanuloid species, many inversions were found to be only in the LSC region. IR contraction was also identified in the plastid genome of Adenophora stricta. Phylogenetic analyses based on 76 protein coding genes showed that Campanuloids are monophyletic, and are composed of two major groups: Campanula s. str. and Rapunculus. When we compared each homologous locus among the four Adenophora species, ten regions showed high nucleotide divergence value (>0.03). Among these, nine loci, excepting ycf3-rpoB, are considered to be useful molecular markers for phylogenetic studies and will be helpful to resolve phylogenetic relationships of Adenophora.Publisher URL: http://journals.plos.org/plosone/article
DOI: 10.1371/journal.pone.0183652
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