Comparative chloroplast DNA analysis of phalaenopsis orchids and evaluation of cpDNA markers for distinguishing moth orchids

Ching Chun Chang, Wen Luan Wu, Yu Chang Liu, Cheng Fong Jheng, Tien Chih Chen, Bo Yen Lin, Jhong Yi Lin, Ting Chieh Chen, Yuech Feng Lee

研究成果: Chapter

摘要

The chloroplast DNA (cpDNA) of P. equestris was determined and compared to that of P. aphrodite. The two moth orchids showed similar genome size, structure, gene order, codon usage, and AT content. The ndh genes were either lost or nonfunctional in two endemic moth orchids. The rate of interspecies variation between moth orchids was 0.74% (1107 sites) for single nucleotide substitution and 0.24% for insertions (161 sites; 1388 bp) and deletions (189 sites; 1393 bp). The intergenic spacers were the most divergent, followed by introns, and were used for the evaluation of molecular markers. Fifteen out of 27 cpDNA regions were highly variable among the moth orchids. The rps16-trnQ marker showed the best discriminatory power: 15 endemic moth orchids could be successfully separated into 13 groups. From the sequences of the 7 selected cpDNA regions, the rps16-trnQ intergenic spacer was the best DNA barcode: 19 endemic moth orchids could be completely distinguished.

原文English
主出版物標題Orchid biotechnology III
發行者World Scientific Publishing Co. Pte Ltd
頁面61-90
頁數30
ISBN(電子)9789813109230
ISBN(列印)9813109211, 9789813109216
DOIs
出版狀態Published - 2017 一月 25

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Engineering(all)
  • Agricultural and Biological Sciences(all)
  • Environmental Science(all)

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    Chang, C. C., Wu, W. L., Liu, Y. C., Jheng, C. F., Chen, T. C., Lin, B. Y., Lin, J. Y., Chen, T. C., & Lee, Y. F. (2017). Comparative chloroplast DNA analysis of phalaenopsis orchids and evaluation of cpDNA markers for distinguishing moth orchids. 於 Orchid biotechnology III (頁 61-90). World Scientific Publishing Co. Pte Ltd. https://doi.org/10.1142/9789813109223_0004