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Mitogenome Announcement

Chloroplast genomes of two extant species of Tertiary relict Cercidiphyllum (Cercidiphyllaceae): comparative genomic and phylogenetic analyses

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Pages 1551-1552 | Received 15 Mar 2019, Accepted 23 Mar 2019, Published online: 15 Apr 2019
 

Abstract

Cercidiphyllum, the only member of Cercidiphyllaceae, contains two extant species: Cercidiphyllum japonicum and Cercidiphyllum magnificum. Here, we reported their complete chloroplast genomes by de novo assembly. The chloroplast genome sizes of C. japonicum and C. magnificum were 159,871 and 159,899 bp, respectively. The two chloroplast genomes have 99.7% sequence identity and were highly conserved in GC content (37.9%), gene content (132 genes), and gene order. Phylogenetic analysis of the chloroplast genomes confirmed the monophyly of Cercidiphyllum and recovered Cercidiphyllaceae as a member of the ‘woody clade’ of Saxifragales.

Disclosure statement

The authors are really grateful to the open raw genome data from public database. No potential conflict of interest was reported by the authors.

Additional information

Funding

This research was supported by the National Natural Science Foundation of China [Grant No. 31872652].