Characterization of the complete chloroplast genome of purple flowering stalk (Brassica campestris var. purpuraria) and comparisons with related species
文献类型： 外文期刊
作者： Gong, Yihui 1 ; Duan, Limeng 1 ; Zhou, Guihua 1 ; Yuan, Yuting 1 ; Zhang, Jiali 1 ; He, Haiyan 2 ; Li, Peng 2 ; Huang, Hua 2 ;
作者机构： 1.Hunan Univ Humanities Sci & Technol, Coll Agr & Biotechnol, Dev & Utilizat & Qual & Safety Control Characteris, Loudi 417000, Peoples R China
2.Xiangtan Agr Sci Res Inst, Xiangtan 411100, Peoples R China
3.Guangdong Acad Agr Sci, Inst Fruit Tree Res, Key Lab South Subtrop Fruit Biol &Genet Resource U, Guangdong Provincial Key Lab Trop & Subtrop Fruit, Guangzhou 510640, Peoples R China
关键词： B. campestris var. purpuraria; Chloroplast genome; Codon usage; Phylogenetic analysis
期刊名称：GENETIC RESOURCES AND CROP EVOLUTION （ 影响因子：2.0； 五年影响因子：1.9 ）
ISSN： 0925-9864
年卷期： 2024 年
页码：
收录情况： SCI
摘要： Purple flowering stalk (Brassica campestris var. purpuraria) is an important vegetable and is widely distributed in the region of the Yangtze River. In the present study, we reported the chloroplast genome of B. campestris var. purpuraria and compared it with previously reported chloroplast genomes in the Brassicaceae family. The whole chloroplast genome length of B. campestris var. purpuraria was 153,483 bp with 36.36% GC, including a large single-copy region (LSC, 83,282 bp), a small single-copy region (SSC, 17,775 bp), and two inverted repeat regions (IRa and IRb, both are 26,213 bp). A total of 132 genes were annotated, containing 87 protein-coding genes, 37 transfer RNA genes, and 8 ribosomal RNA genes. The genome contained 37 repeat sequences, and 315 simple sequence repeat (SSR) sites and the most preferred codon was AUG. Six genes of ycf1, matK, rpl22, trnF-GAA, ccsA, and rps16 exhibited high nucleotide diversity (Pi) values. Phylogenetic analysis indicated that the chloroplast of B. campestris var. purpuraria was mostly related to B. rapa. The results would further be beneficial for molecular identification, phylogenetic analysis and biological research of Brassica species.
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