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The complete chloroplast genome of Cucumis anguria var. anguria (Cucurbitaceae) and its phylogenetic implication

文献类型: 外文期刊

作者: Cheng, Hong 1 ; Kong, Wei-ping 1 ; Zhang, Min-min 3 ; Hou, Dong 1 ;

作者机构: 1.Gansu Acad Agr Sci, Vegetable Res Inst, Lanzhou, Peoples R China

2.Minist Agr & Rural Affairs, Key Lab Fruit Breeding Technol, Zhengzhou, Peoples R China

3.Gansu Acad Agr Sci, Inst Biotechnol, Lanzhou, Peoples R China

关键词: Cucumis anguria var; anguria; complete chloroplast genome; phylogenetic analysis; Cucurbitaceae

期刊名称:MITOCHONDRIAL DNA PART B-RESOURCES ( 影响因子:0.658; 五年影响因子:0.674 )

ISSN:

年卷期: 2020 年 5 卷 1 期

页码:

收录情况: SCI

摘要: The genus Cucumis contains 52 species, including two economically significant crops, cucumber and melon, as well as other important species. Cucumis anguria var. anguria is a wild relative of C. melon, native to Africa. Cucumis anguria is rich in vitamins and minerals in gherkin fruits and carries broad-spectrum resistance to multiplex biotic and abiotic stress, such as powdery mildew, fusarium wilt, and meloidogyn incognita. Cucumis anguria provides a valuable gene pool for crop improvement of Cucumis crops. In this study, the complete chloroplast (cp) genome sequence of C. anguria was determined using next-generation sequencing. The entire cp genome was determined to be 156,577 bp in length. It contained large single-copy (LSC) and small single-copy (SSC) regions of 85,971 and 18,100 bp, respectively, which were separated by a pair of 26,253 bp inverted repeat (IR) regions. The genome contained 134 genes, including 88 protein-coding genes, 37 tRNA genes, 8 rRNA genes and 1 pseudogene infA. The overall GC content of the genome is 37.0%. A phylogenetic tree reconstructed by 48 chloroplast genomes reveals that C. anguria is a separate branch in Cucumis.

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