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The complete plastome and phylogenetic analysis of Zingiber ottensii Valeton
Zhaofei Wang1, Hualan Chen1, Jinyong Ni1
1Chongqing University of Arts and Science, Yongchuan, Chongqing, China.
Abstract:
Zingiber ottensii Valeton (1918) is a perennial herb in Zingiberaceae, which has important medicinal and edible values. Here, we first reported and characterized the complete chloroplast genome (plastome) of Z. ottensii using the whole-genome resequencing technology. The plastome was 169,569 bp in size and contained 138 genes, including 92 protein-coding genes, 38 tRNA genes, and 8 rRNA genes. It exhibits a typical quadripartite structure with a large single-copy region (LSC, 86,760 bp), a small single-copy region (SSC, 7,615 bp), and a pair of inverted repeats (IRs, 37,597 bp). Phylogenetic analysis confirmed that Z. ottensii belonged to Zingiber sect. Zingiber and revealed its close relationship to Zingiber zerumbet (L.) Roscoe ex Sm. These results provided essential genomic resources for future phylogenetic and evolutionary studies of Zingiber Mill.
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