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Characterization of the whole chloroplast genome sequence of Acer davidii Franch (Aceraceae)

Jia, Yun, Yang, Jiao, He, Yan-Ling, He, Ying, Niu, Chuan, Gong, Lin-Lin, Li, Zhong-Hu
Conservation genetics resources 2016 v.8 no.2 pp. 141-143
Acer davidii, chloroplast DNA, chloroplast genome, genes, monophyly, nucleotide sequences, ribosomal RNA, transfer RNA
The whole chloroplast genome (cp DNA) sequence of Acer davidii Franch has been characterized from Illumina pair-end sequencing. The complete cpDNA was 157,044 bp in length, containing a large single copy region (LSC) of 85,410 bp and a small single copy region (SSC) of 18,112 bp, which were separated by a pair of 26,761 bp inverted repeat regions (IRs). The cpDNA contained 134 genes, including 86 protein-coding genes (78 PCG species), forty tRNA genes (31 tRNA species) and eight ribosomal RNA genes (four rRNA species). The most of gene species occur as a single copy, while 21 gene species occur in double copies. The overall AT content of A. davidii cpDNA is 62.1 %, while the corresponding values of the LSC, SSC and IR regions are 63.9, 67.7 and 57.3 %, respectively. The phylogenetic analysis suggested that the sampled Acer species formed a monophyletic clade, and the cpDNA of A. davidii is closely related to that of congeneric A. morrisonense.