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Korean J. Pl. Taxon > Volume 51(3); 2021 > Article
Korean Journal of Plant Taxonomy 2021;51(3): 326-331.
doi: https://doi.org/10.11110/kjpt.2021.51.3.326
The complete chloroplast genome of Zoysia macrostachya (Poaceae): Insights into intraspecific variations and species delimitation of the Zoysia species
Sung-Dug OH1 , Seong-Kon LEE1 , Doh-Won YUN1 , Hyeon-Jin SUN2, Hong-Gyu KANG2 , Hyo-Yeon LEE2, Hong XI3, Jongsun PARK3 , Bumkyu LEE4
1Department of Agricultural Biotechnology, National Institute of Agricultural Sciences, Rural Development Administration, Jeonju 54874, Korea
2Subtropical Horticulture Research Institute, Jeju National University, Jeju 63243, Korea
3InfoBoss Inc. and InfoBoss Research Center, Gangnam-gu, Seoul 06278, Korea
4Department of Environmental Science & Biotechnology, Medicical Science, Jeonju University, Jeonju 55069, Korea
Correspondence :  Jongsun PARK ,Email: starflr@infoboss.co.kr
Bumkyu LEE ,Email: leebk@jj.ac.kr
Received: August 5, 2021  Revised: September 17, 2021   Accepted: September 23, 2021
Abstract
The complete chloroplast genome of Zoysia macrostachya Franch. & Sav. isolated in Korea is 135,902 bp long (GC ratio is 38.4%) and has four subregions; 81,546 bp of large single-copy (36.3%) and 12,586 bp of small single-copy (32.7%) regions are separated by 20,885 bp of inverted repeat (44.1%) regions, including 130 genes (83 protein-coding genes, eight rRNAs, and 39 tRNAs). Thirty-nine single nucleotide polymorphisms and 11 insertions and deletion (INDEL) regions were identified from two Z. macrostachya chloroplast genomes, the smallest among other Zoysia species. Phylogenetic trees show that two Z. macrostachya chloroplast genomes are clustered into a single clade. However, we found some incongruency with regard to the phylogenetic position of the Z. macrostachya clade. Our chloroplast genome provides insights into intraspecific variations and species delimitation issues pertaining to the Zoysia species.
KeyWords: chloroplast genome, low-level intraspecific variations, Poaceae, Zoysia macrostachya
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