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Assembly and comparative analysis of the complete mitochondrial genome of white towel gourd (Luffa cylindrica)

文献类型： 外文期刊

作者： Gong, Yihui 1 ; Luo, Xuan 1 ; Zhang, Ting 1 ; Zhou, Guihua 1 ; Li, Jingyi 1 ; Zhang, Bin 1 ; Li, Peng 3 ; 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.Minist Agr & Rural Affairs, Inst Fruit Tree Res, Guangdong Acad Agr Sci Key Lab South Subtrop Fruit, Guangdong Prov Key Lab Trop & Subtrop,Fruit Tree R, Guangzhou 510640, Peoples R China

3.Xiangtan Agr Sci Res Inst, Xiangtan 411100, Peoples R China

关键词： Luffa cylindrica; Mitochondrial genome; Repeat sequence; Codon usage analysis; Phylogenetic analysis

期刊名称：GENOMICS （ 影响因子：3.4； 五年影响因子：3.5 ）

ISSN： 0888-7543

年卷期： 2024 年 116 卷 3 期

页码：

收录情况： SCI

摘要： Mitochondria play an important role in the energy production of plant cells through independent genetic systems. This study has aimed to assemble and annotate the functions of the mitochondrial (mt) genome of Luffa cylindrica. The mt genome of L. cylindrica contained two chromosomes with lengths of 380,879 bp and 67,982 bp, respectively. Seventy-seven genes including 39 protein-coding genes, 34 tRNA genes, 3 rRNA genes, and 1 pseudogene, were identified. About 90.63% of the codons ended with A or U bases, and 98.63% of monomers contained A/T, which contributed to the high A/T content (55.91%) of the complete mt genome. Six genes (ATP8, CCMFC, NAD4, RPL10, RPL5 and RPS4) showed positive selection. Phylogenetic analysis indicates that L. cylindrica is closely related to L. acutangula. The present results provide the mt genome of L. cylindrica, which may facilitate possible genetic variation, evolutionary, and molecular breeding studies of L. cylindrica.

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