APPLICATION OF DNA ANALYSIS APPROACH CONTRIBUTES  TO THE IDENTIFICATION OF SEVERAL PLANT SPECIES  IN TRUONG SA ARCHIPELAGO, KHANH HOA PROVINCE, VIETNAM

Vu Dinh Duy; le Xuan Dac; Nguyen Dang Hoi; Pham Mai Phuong; Dang Ngoc Huyen; Tran Thi Thanh Huong; Bui Van Thanh; Nguyen Tam Thanh; Bui Van Thang; Luu Thi Phuong; Vu Thi Thu Hien; Nguyen Quoc Khanh

APPLICATION OF DNA ANALYSIS APPROACH CONTRIBUTES TO THE IDENTIFICATION OF SEVERAL PLANT SPECIES IN TRUONG SA ARCHIPELAGO, KHANH HOA PROVINCE, VIETNAM

Authors

Vu Dinh Duy Vietnam - Russia Tropical Centre
le Xuan Dac Vietnam - Russia Tropical Centre
Nguyen Dang Hoi Vietnam - Russia Tropical Centre
Pham Mai Phuong Vietnam - Russia Tropical Centre
Dang Ngoc Huyen Vietnam - Russia Tropical Centre
Tran Thi Thanh Huong Vietnam - Russia Tropical Centre
Bui Van Thanh Institute of Ecology and Biological Resource, Vietnam Academy of Science and Technology (VAST)
Nguyen Tam Thanh Vietnam - Russia Tropical Centre
Bui Van Thang Vietnam National University of Forestry
Luu Thi Phuong Vietnam National University of Forestry
Vu Thi Thu Hien Vietnam National University of Forestry
Nguyen Quoc Khanh Vietnam - Russia Tropical Centre

Keywords:

DNA barcodes, ITS-rDNA gene, phylogenetic tree, Truong Sa archipelago

Abstract

DNA barcoding has been widely used to assess species diversity in a variety of ecosystems, including temperate, subtropical, and tropical rain forests. However, due to the difficulties associated with field exploration, most of the species in Truong Sa archipelago have never been barcoded. The purpose of this study is to barcode five species of plants from the Truong Sa archipelago and to provide valuable evolutionary information that will aid in future understanding of the plant community assembly on those particular islands. Using DNA markers (ITS-rDNA), this study created a DNA barcode database for five plant species found on the Truong Sa archipelago. We used the sequence similarity and a phylogenetic based method to the identify 15 samples from five plant species collected in Truong Sa archipelago, Vietnam. Results showed that the PCR success rate for ITS-rDNA region was 100%. The success rate of bidirectional sequencing of PCR product was 100% for 650 bp long the ITS-rDNA region fragment. Phylogenetic analyses using maximum likelihood (ML) indicated that five plant species (PB, BT, BV, NH and TR) had a close relationship with T. argentea, S. taccada, B. asiatica, M. citrifolia, M. citrifolia and C. uvifera, respectively. The current study provided further evidence for ITS-rDNA region as a useful molecular marker for species identification found on other tropical coral islands.

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Published

20-09-2021

How to Cite

Dinh Duy, V., Xuan Dac, le, Dang Hoi, N., Mai Phuong, P., Ngoc Huyen, D., Thi Thanh Huong, T., Van Thanh, B., Tam Thanh, N., Van Thang, B., Thi Phuong, L., Thi Thu Hien, V., & Quoc Khanh, N. (2021). APPLICATION OF DNA ANALYSIS APPROACH CONTRIBUTES TO THE IDENTIFICATION OF SEVERAL PLANT SPECIES IN TRUONG SA ARCHIPELAGO, KHANH HOA PROVINCE, VIETNAM. Journal of Forestry Science and Technology, (11), 003–010. Retrieved from https://jvnuf.vjst.net/en/article/view/475