The complete chloroplast genome of Zoysia macrostachya (Poaceae): Insights into intraspecific variations and species delimitation of the Zoysia species
2021
Oh, S.D. | Lee, S.K. | Yun, D.W. | Sun, H.J. | Kang, H.G. | Lee, H.Y. | Xi, H. | Park, J.S. | Lee, B.K.
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.
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