Dataset Information

The complete chloroplast genome of Primula amethystina subsp. argutidens (Primulaceae).

ABSTRACT: Primula amethystina subsp. argutidens (Franchet) W. W. Smith & H. R. Fletcher (1942) is a blooming plant of the family Primulaceae. Here, we sequenced, assembled, and annotated the complete chloroplast (cp) genome of P. amethystina subsp. argutidens. The cp genome of P. amethystina subsp. argutidens is 151,560 bp in length with a GC content of 37%. The assembled genome has a typical quadripartite structure, containing a large single-copy (LSC) region of 83,516 bp, a small single-copy (SSC) region of 17,692 bp, and a pair of inverted repeat (IR) regions of 25,176 bp. The cp genome contains 115 unique genes, including 81 protein-coding genes, four rRNA genes, and 30 tRNA genes. Phylogenetic analysis showed that P. amethystina subsp. argutidens was closely related to P. amethystina.

SUBMITTER: Wang SB

PROVIDER: S-EPMC10332233 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature

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The complete chloroplast genome of Primula amethystina subsp. argutidens (Primulaceae).

Wang Shu-Bao SB Liu Yun-Qi YQ Zhang Li L Li Rui R Huang Yuan Y

Mitochondrial DNA. Part B, Resources 20230706 7

Primula amethystina subsp. argutidens (Franchet) W. W. Smith & H. R. Fletcher (1942) is a blooming plant of the family Primulaceae. Here, we sequenced, assembled, and annotated the complete chloroplast (cp) genome of P. amethystina subsp. argutidens. The cp genome of P. amethystina subsp. argutidens is 151,560 bp in length with a GC content of 37%. The assembled genome has a typical quadripartite structure, containing a large single-copy (LSC) region of ...[more]

PMID: 37435317

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Project description:The genus Primula (Primulaceae) comprises more than 500 species, with 300 species distributed in China. The contradictory results between systematic analyses and morphology-based taxonomy make taxonomy studies difficult. Furthermore, frequent introgression between closely related species of Primula can result in non-monophyletic species. In this study, the complete chloroplast genome of sixteen Primula obconica subsp. obconica individuals were assembled and compared with 84 accessions of 74 species from 21 sections of the 24 sections of the genus in China. The plastome sizes of P. obconica subsp. obconica range from 153,584 bp to 154,028 bp. Genome-wide variations were detected, and 1915 high-quality SNPs and 346 InDels were found. Most SNPs were detected in downstream and upstream gene regions (45.549% and 41.91%). Two cultivated accessions, ZP1 and ZP2, were abundant with SSRs. Moreover, 12 SSRs shared by 9 accessions showed variations that may be used as molecular markers for population genetic studies. The phylogenetic tree showed that P. obconica subsp. obconica cluster into two independent clades. Two subspecies have highly recognizable morphological characteristics, isolated geographical distribution areas, and distinct phylogenetic relationships compared with P. obconica subsp. obconica. We elevate the two subspecies of P. obconica to separate species. Our phylogenetic tree is largely inconsistent with morphology-based taxonomy. Twenty-one sections of Primula were mainly divided into three clades. The monophyly of Sect. Auganthus, Sect. Minutissimae, Sect. Sikkimensis, Sect. Petiolares, and Sect. Ranunculoides are well supported in the phylogenetic tree. The Sect. Obconicolisteri, Sect. Monocarpicae, Sect. Carolinella, Sect. Cortusoides, Sect. Aleuritia, Sect. Denticulata, Sect. Proliferae Pax, and Sect. Crystallophlomis are not a monophyletic group. The possible explanations for non-monophyly may be hybridization, polyploidization, recent introgression, incorrect taxonomy, or chloroplast capture. Multiple genomic data and population genetic studies are therefore needed to reveal the evolutionary history of Primula. Our results provided valuable information for intraspecific variation and phylogenetic relationships within Primula.

Dataset Information

The complete chloroplast genome of Primula amethystina subsp. argutidens (Primulaceae).

Publications

The complete chloroplast genome of <i>Primula amethystina</i> subsp<i>. argutidens</i> (Primulaceae).

Similar Datasets

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