Dataset Information

Complete chloroplast genome sequences of two Boehmeria species (Urticaceae).

ABSTRACT: Boehmeria is an important genus; however, no plastid genome has been reported to date. Here we report the complete chloroplast genomes for two Boehmeria species. The chloroplast genomes of Boehmeria umbrosa and Boehmeria spicata were found to be 170920?bp and 170958 in length, respectively, and the GC contents were 35.5 and 35.3%, respectively. The sequences of each species contained 112 unique genes, including 30 tRNA, 4 rRNA, and 78 protein-coding genes. This is the first report of cp genomes for Boehmeria, and will be useful for identifying molecular markers with which to address taxonomic problems in the genus.

SUBMITTER: Wu ZY

PROVIDER: S-EPMC7799454 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature

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Complete chloroplast genome sequences of two Boehmeria species (Urticaceae).

Wu Zeng-Yuan ZY Du Xin-Yu XY Milne Richard I RI Liu Jie J Li De-Zhu DZ

Mitochondrial DNA. Part B, Resources 20180823 2

Boehmeria is an important genus; however, no plastid genome has been reported to date. Here we report the complete chloroplast genomes for two Boehmeria species. The chloroplast genomes of Boehmeria umbrosa and Boehmeria spicata were found to be 170920 bp and 170958 in length, respectively, and the GC contents were 35.5 and 35.3%, respectively. The sequences of each species contained 112 unique genes, including 30 tRNA, 4 rRNA, and 78 protein-coding genes. This is the ...[more]

PMID: 33474371

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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 Boehmeria species (Urticaceae).

Publications

Complete chloroplast genome sequences of two <i>Boehmeria</i> species (Urticaceae).

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