Abstract
Malus prunifolia is a species of crabapple tree with high ecological and economic values. In this study, we assembled its complete chloroplast genome from high-throughput sequencing data. The circular double-stranded genome is 160,041 bp in length, and exhibits a typical quadripartite structure of the large (LSC, 88,119 bp) and small (SSC, 19,204 bp) single-copy regions, separated by a pair of inverted repeat regions (IRs, 26,359 bp each). It contains 129 genes, including 84 protein-coding genes (77 PCG species), 37 transfer RNA genes (30 tRNA species) and eight ribosomal RNA genes (four rRNA species). The nucleotide composition is asymmetric (31.32 % A, 18.64 % C, 17.92 % G & 32.12 % T) with an overall A+T content of 63.44 %. Phylogenetic analysis corroborated the traditional morphological taxonomy of the family Rosaceae, and indicated that M. prunifolia was phylogenetically closely related to the genus Pyrus.
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Acknowledgments
This work was supported by the National Natural Science Foundation of China (31501741), the Science and Technology Innovative Engineering Project in Shaanxi Province of China (2015NY114), and the Shaanxi Postdoctoral Science Foundation (133782).
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Bao, L., Li, K., Liu, Z. et al. Characterization of the complete chloroplast genome of the Chinese crabapple Malus prunifolia (Rosales: Rosaceae: Maloideae). Conservation Genet Resour 8, 227–229 (2016). https://doi.org/10.1007/s12686-016-0540-0
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DOI: https://doi.org/10.1007/s12686-016-0540-0