Exploring the History of Chloroplast Capture in Arabis Using Whole Chloroplast Genome Sequencing
AbstractChloroplast capture occurs when the chloroplast of one plant species is introgressed into another plant species. The phylogenies of nuclear and chloroplast markers from East Asian Arabis species are incongruent, which indicates hybrid origin and shows chloroplast capture. In the present study, the complete chloroplast genomes of A. hirsuta, A. nipponica, and A. flagellosa were sequenced in order to analyze their divergence and their relationships. The chloroplast genomes of A. nipponica and A. flagellosa were similar, which indicates chloroplast replacement. If hybridization causing chloroplast capture occurred once, divergence between recipient species would be lower than between donor species. However, the chloroplast genomes of species with possible hybrid origins, A. nipponica and A. stelleri, differ at similar levels to possible maternal donor species A. flagellosa, which suggests that multiple hybridization events have occurred in their respective histories. The mitochondrial genomes exhibited similar patterns, while A. nipponica and A. flagellosa were more similar to each other than to A. hirsuta. This suggests that the two organellar genomes were co-transferred during the hybridization history of the East Asian Arabis species. View Full-Text
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Kawabe, A.; Nukii, H.; Furihata, H.Y. Exploring the History of Chloroplast Capture in Arabis Using Whole Chloroplast Genome Sequencing. Int. J. Mol. Sci. 2018, 19, 602.
Kawabe A, Nukii H, Furihata HY. Exploring the History of Chloroplast Capture in Arabis Using Whole Chloroplast Genome Sequencing. International Journal of Molecular Sciences. 2018; 19(2):602.Chicago/Turabian Style
Kawabe, Akira; Nukii, Hiroaki; Furihata, Hazuka Y. 2018. "Exploring the History of Chloroplast Capture in Arabis Using Whole Chloroplast Genome Sequencing." Int. J. Mol. Sci. 19, no. 2: 602.
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