The complete plastid genome of Corylopsis spicata was sequenced and analyzed in this study. It was found to be 159,507 bp and consisted of a large (88,243 bp) and small (18,716 bp) single-copy regions, separated by a pair of identical inverted repeats (26,274 bp). The GC content of the whole genome was 36.9%, and there were 85 unique protein-coding genes, 37 tRNA, and eight rRNA. The gene order and organization were consistent with those of other complete plastid genomes from the Hamamelidaceae. A phylogenetic tree was constructed based on 76 protein-coding genes that demonstrated a sister relationship within the genus Corylopsis.
Keywords: Corylopsis spicata; Hamamelidaceae; complete chloroplast genome; phylogenetic analysis.
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