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Characterization of the complete chloroplast genome of Stellaria dichotoma var. lanceolata Bunge, a traditional Chinese medicinal plant.

ABSTRACT: Stellaria dichotoma var. lanceolata Bunge. is a traditional Chinese medicinal plant of Caryophyllaceae, which contains many chemicals, such as β-carboline alkaloids, sterols, cyclic peptides, phenolic acids, and flavonoids and so on, which was used as folk medicines for antifebrile to treat fever and to inhibit the cell growth, cyclooxygenase, and also can anti-inflammatory, anti-allergic, vasodilator, and other effects. Illumina paired-end reads data were used to assemble the complete chloroplast (cp) genome. 16,898,032 raw paired-end reads and the length distribution in 150,602 bp, including a large single-copy (LSC) region of 81,844 bp, a small single-copy (SSC) region of 17,022 bp and a pair of inverted repeats (IRs) of 25,868 bp. Besides, nine protein-coding genes (PCGs) genes and six tRNA genes possess a single intron, while clpP and ycf3 have a couple of introns. Based on the concatenated coding sequences of cp PCGs, the phylogenetic analysis showed that S. dichotoma and Pseudostellaria palibiniana (MK309611) are closely related to each other within the family Caryophyllaceae.

SUBMITTER: Li P

PROVIDER: S-EPMC7759295 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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Characterization of the complete chloroplast genome of Stellaria dichotoma var. lanceolata Bunge, a traditional Chinese medicinal plant.

Li Peng P Yu Pei P Xia Jin J

Mitochondrial DNA. Part B, Resources 20201224 4

Stellaria dichotoma var. lanceolata Bunge. is a traditional Chinese medicinal plant of Caryophyllaceae, which contains many chemicals, such as β-carboline alkaloids, sterols, cyclic peptides, phenolic acids, and flavonoids and so on, which was used as folk medicines for antifebrile to treat fever and to inhibit the cell growth, cyclooxygenase, and also can anti-inflammatory, anti-allergic, vasodilator, and other effects. Illumina paired-end reads data were used to assemble t ...[more]

PMID: 33426299

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Project description:The original plant of Chinese medicine Stellariae Radix (Yin Chai Hu) is Stellaria dichotoma L. var. lanceolata Bge (abbreviated as SDL). SDL is a perennial herbaceous plant and a characteristic crop in Ningxia. Growth years are vital factors that affect the quality of perennial medicinal materials. This study aims to investigate the impact of growth years on SDL and screen for the optimal harvest age by comparing the medicinal material characteristics of SDL with different growth years. Additionally, metabolomics analysis using UHPLC-Q-TOF MS was employed to investigate the impact of growth years on the accumulation of metabolites in SDL. The results show that the characteristics of medicinal materials and the drying rate of SDL gradually increase with the increase in growth years. The fastest development period of SDL occurred during the first 3 years, after which the development slowed down. Medicinal materials characteristics of 3-year-old SDL exhibited mature qualities with a high drying rate, methanol extract content, and the highest content of total sterols and total flavonoids. A total of 1586 metabolites were identified, which were classified into 13 major classes with more than 50 sub-classes. Multivariate statistical analysis indicated significant differences in the diversity of metabolites of SDL in different growth years, with greater differences observed in metabolites as the growth years increased. Moreover, different highly expressed metabolites in SDL at different growth years were observed: 1-2 years old was beneficial to the accumulation of more lipids, while 3-5 years old was conducive to accumulating more alkaloids, benzenoids, etc. Furthermore, 12 metabolites accumulating with growth years and 20 metabolites decreasing with growth years were screened, and 17 significantly different metabolites were noted in 3-year-old SDL. In conclusion, growth years not only influenced medicinal material characteristics, drying rate, content of methanol extract, and total sterol and flavonoid contents, but also had a considerable effect on SDL metabolites and metabolic pathways. SDL planted for 3 years presented the optimum harvest time. The screened significantly different metabolites with biological activity, such as rutin, cucurbitacin e, isorhamnetin-3-o-glucoside, etc., can be utilized as potential quality markers of SDL. This research provides references for studying the growth and development of SDL medicinal materials, the accumulation of metabolites, and the selection of optimal harvest time.

Dataset Information

Characterization of the complete chloroplast genome of Stellaria dichotoma var. lanceolata Bunge, a traditional Chinese medicinal plant.

Publications

Characterization of the complete chloroplast genome of <i>Stellaria dichotoma</i> var. <i>lanceolata</i> Bunge, a traditional Chinese medicinal plant.

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