Dataset Information

Complete chloroplast genome of a Chinese endemic species Corydalis trisecta Franch. (Papaveraceae).

ABSTRACT: Corydalis trisecta Franch. is an endemic plant found in China. In this study, we presented the first complete chloroplast genome of C. trisecta, which was assembled and characterized based on Illumina pair-end sequencing data. The complete chloroplast genome was 161,410?bp in length, with a GC content of 41.4% in total. Its structure contained a large single copy (LSC) region of 89,127?bp and a small single copy (SSC) region of 16,993?bp, which were separated by a pair of extremely inverted repeats (IRs) of 27,645?bp each, with GC content 39.8, 87.2, and 45.2%, respectively. The phylogenetic analysis indicated that C. triscta was sister to Lamprocapons spectabilis in Papaveraceae.

SUBMITTER: Kanwal N

PROVIDER: S-EPMC7687375 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature

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Publications

Complete chloroplast genome of a Chinese endemic species Corydalis trisecta Franch. (Papaveraceae).

Kanwal Nazish N Zhang Xiao X Afzal Nawal N Yang Jia J Li Zhonghu Z Zhao Guifang G

Mitochondrial DNA. Part B, Resources 20190711 2

Corydalis trisecta Franch. is an endemic plant found in China. In this study, we presented the first complete chloroplast genome of C. trisecta, which was assembled and characterized based on Illumina pair-end sequencing data. The complete chloroplast genome was 161,410 bp in length, with a GC content of 41.4% in total. Its structure contained a large single copy (LSC) region of 89,127 bp and a small single copy (SSC) region of 16,993 bp, which were separated by a pair of extremely ...[more]

PMID: 33365510

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Project description:In response to past climatic changes, the species with different habits or adaptive traits likely have experienced very different evolutionary histories, especially for species that restricted to high mountain areas. In order to trace how Quaternary climatic oscillations affected range distributions and intraspecific divergence of such alpine plants on the Tibetan Plateau, here, we investigated maternally inherited chloroplast DNA (cpDNA) markers and biparentally inherited nuclear ribosomal internal transcribed spacer (ITS) DNA variations and aimed to explore the phylogeographic history of the endemic alpine species Corydalis hendersonii Hemsl. (Papaveraceae). We sequenced four cpDNA fragments (trnS-trnG, trnT-trnL, atpH-atpI, and psbE-petL) and also the nuclear (ITS) region in 368 individuals from 30 populations across the species' range. The network and phylogenetic analysis based on cpDNA variations identified 15 chlorotypes that cluster into three distinct clades. However, our nuclear DNA results demonstrated that there were four genetic/geographical groups within C. hendersonii. Some common and highly divergent cpDNA and ITS haplotypes were distributed in the populations of central and northeastern Tibetan Plateau, and the highest nucleotide diversity and genetic differentiation were detected in the central region. Demographic tests further indicated that the populations of southwestern and western Tibet may have experienced recent range expansion, which most likely occurred during the last glacial maximum (LGM) and continued its expansion after the beginning of the Holocene. These two different groups of this species may have derived from potential refugia that existed in the central and/or northeastern regions of Tibet during recent interglacial periods. In addition, our AMOVA analyses detected high genetic differentiation along with the whole sampling range. Also, distinct phylogeographic structures were detected among populations of C. hendersonii based on both of cpDNA and ITS variation. These findings shed new light on the importance of climatic oscillations during Quaternary and complex local topography as causes of intraspecific diversification and demographic changes within cold-tolerant herbs in the Tibetan Plateau biodiversity hotspot.

Dataset Information

Complete chloroplast genome of a Chinese endemic species Corydalis trisecta Franch. (Papaveraceae).

Publications

Complete chloroplast genome of a Chinese endemic species <i>Corydalis trisecta</i> Franch. (Papaveraceae).

Similar Datasets

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