The complete plastome sequence of the endangered orchid Cymbidium macrorhizon (Orchidaceae)

Young Kee Kim, Myoung Hai Kwak, Myong Gi Chung, Hoe Won Kim, Sangjin Jo, Jung Yeon Sohn, Se Hwan Cheon, Ki-Joong Kim

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

In this study, we determined the complete chloroplast sequence of Cymbidium macrorhizon Lindl. (Orchidaceae) (NCBI acc. no. KY354040), an endangered plant species protected by the national law of Korea. The gene order and number in the C. macrorhizon plastome were similar to a typical Orchid plastome. The complete plastome was 149,859 bp in length and consisted of a large single copy region of 85,187 bp and a small single copy region of 13,766 bp; these were separated by two inverted repeats of 25,453 bp. The plastome contained 103 genes of which 69 were protein-coding genes, 30 were tRNA genes and four were rRNA genes. Fourteen genes contained one intron and two genes (clpP, and ycf3) had two introns. The AT content of the C. macrorhizon plastome was 60.0% and a total of 62 simple sequence repeat regions were identified in the plastome. Phylogenetic analysis also identified C. lancifolium as a closely related sister to C. macrorhizon, suggesting that the hemisaprophytic nature of C. macrorhizon is derived recently from a common leafy ancestor.

Original languageEnglish
Pages (from-to)725-727
Number of pages3
JournalMitochondrial DNA Part B: Resources
Volume2
Issue number2
DOIs
Publication statusPublished - 2017 Dec 20

Keywords

  • Cymbidium macrorhizon
  • endangered species
  • hemisaprophyte
  • orchidaceae
  • Plastome

ASJC Scopus subject areas

  • Genetics
  • Molecular Biology

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