The complete chloroplast genome and phylogenetic analysis of <i>Cyperus brevifolius</i> (Rottb.) Hassk. 1844 (Cyperaceae)
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The medicinal plant <i>Cyperus brevifolius</i> (Rottb.) Hassk. 1844 has a long history of use in traditional Chinese medicine. In this study, we determined and systematically analyzed the complete chloroplast (cp) genome of <i>C. brevifolius</i>. The genome is 183,717 bp in length with a GC content of 33.24%. It comprises four distinct regions: a large-single copy (LSC) region of 101,190 bp, a small-single copy (SSC) region of 10,366 bp, and two inverted repeat (IR) regions of 36,079 bp each. A total of 137 genes are present in the genome including 89 protein-coding genes, 40 tRNA genes, and eight rRNA genes. Phylogenetic analysis reveals that <i>C. brevifolius</i> belongs to the <i>Cyperus</i> genus. This newly sequenced cp genome provides valuable insights for future genetic and genomic studies on <i>Cyperus</i>.
药用植物短叶莎草(Cyperus brevifolius)(Rottb.) Hassk. 1844 在传统中药中拥有悠久的应用历史。本研究对短叶莎草的完整叶绿体(chloroplast, cp)基因组进行了测定与系统分析。该基因组全长183717 bp,GC含量为33.24%,包含四个独立区域:大单拷贝区(large-single copy, LSC)长101190 bp,小单拷贝区(small-single copy, SSC)长10366 bp,以及两个反向重复区(inverted repeat, IR),每个区域长36079 bp。该基因组共包含137个基因,其中包括89个蛋白质编码基因、40个转运RNA(tRNA)基因以及8个核糖体RNA(rRNA)基因。系统发育分析结果表明,短叶莎草隶属于莎草属(Cyperus)。此次新测序的叶绿体基因组为莎草属后续的遗传与基因组学研究提供了宝贵的参考依据。




