Dataset Information

Complete chloroplast genome sequences of two Amomum species (Zingiberaceae).

ABSTRACT: Amomum tsao-ko and Amomum paratsaoko are well known medicinal and edible plants with a strong fragrance and flavour in China. Here, we have sequenced the two complete chloroplast genomes of Amomum tsao-ko and Amomum paratsaoko, which are 163,612?bp and 163,487?bp in length, respectively, and exhibited LSC and SSC regions separated by a pair of inverted repeat regions. The cp genome of A. tsao-ko has 120 annotated genes, including 82 protein-coding genes, while A. paratsaoko has 121 annotated genes, including 83 protein-coding genes. Both cp genomes contained 30 tRNA genes and 8 rRNA genes. Phylogenetic analysis using a total chloroplast genome DNA sequence of 28 species revealed a close relationship between A. tsao-ko and A. paratsaoko with 100% bootstrap value.

SUBMITTER: Zhang YM

PROVIDER: S-EPMC7707409 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature

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Complete chloroplast genome sequences of two Amomum species (Zingiberaceae).

Zhang Ying-Min YM Yang Cong-Wei CW Liu Ying-Ying YY Yang Yao-Wen YW Liu Xiao-Li XL Li Guo-Dong GD

Mitochondrial DNA. Part B, Resources 20191026 2

Amomum tsao-ko and Amomum paratsaoko are well known medicinal and edible plants with a strong fragrance and flavour in China. Here, we have sequenced the two complete chloroplast genomes of Amomum tsao-ko and Amomum paratsaoko, which are 163,612 bp and 163,487 bp in length, respectively, and exhibited LSC and SSC regions separated by a pair of inverted repeat regions. The cp genome of A. tsao-ko has 120 annotated genes, including 82 protein-coding genes, while ...[more]

PMID: 33366195

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Project description:Genomic events including gene loss, duplication, pseudogenization and rearrangement in plant genomes are valuable sources for exploring and understanding the process of evolution in angiosperms. The family Melanthiaceae is distributed in temperate regions of the Northern Hemisphere and divided into five tribes (Heloniadeae, Chionographideae, Xerophylleae, Melanthieae and Parideae) based on the molecular phylogenetic analyses. At present, complete chloroplast genomes of the Melanthiaceae have been reported from three species. In the previous genomic study of Liliales, atrnI-CAU gene duplication event was reported fromParis verticillata, a member of Parideae. To clarify the significant genomic events of the tribe Parideae, we analysed the complete chloroplast genome sequences of twoTrilliumspecies representing two subgenera:TrilliumandPhyllantherum InTrillium tschonoskii(subgenusTrillium), the circular double-stranded cpDNA sequence of 156 852 bp consists of two inverted repeat (IR) regions of 26 501 bp each, a large single-copy (LSC) region of 83 981 bp and a small single-copy (SSC) region of 19 869 bp. The chloroplast genome sequence ofT. maculatum(subgenusPhyllantherum) is 157 359 bp in length, consisting of two IRs (25 535 bp), one SSC (19 949 bp) and one LSC (86 340 bp), and is longer than that ofT. tschonoskii The results showed that the cpDNAs of Parideae are highly conserved across genome structure, gene order and contents. However, the chloroplast genome ofT. maculatumcontained a 3.4-kb inverted sequence betweenndhCandrbcLin the LSC region, and it was a unique feature for subgeneraPhyllantherum In addition, we found three different types of gene duplication in the intergenic spacer betweenrpl23andycf2containingtrnI-CAU, which were in agreement with the circumscription of subgenera and sections in Parideae excludingT. govanianum These genomic features provide informative molecular markers for identifying the infrageneric taxa ofTrilliumand improve our understanding of the evolution patterns of Parideae in Melanthiaceae.

Dataset Information

Complete chloroplast genome sequences of two Amomum species (Zingiberaceae).

Publications

Complete chloroplast genome sequences of two <i>Amomum</i> species (Zingiberaceae).

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