The completed mitochondrial genomes of Globodera vulgaris reveals new insights into the genus Globodera phylogeny
文献类型： 外文期刊
作者： Yang, Sihua 1 ; Zhu, Huiying 1 ; Yang, Zaifu 3 ; Li, Xingyue 4 ; Pan, Yonglang 1 ; Xu, Chunling 1 ; Xie, Hui 1 ;
作者机构： 1.South China Agr Univ, Coll Plant Protect, Lab Plant Nematol, Guangzhou 510642, Peoples R China
2.South China Agr Univ, Coll Plant Protect, Res Ctr Nematodes Plant Quarantine, Dept Plant Pathol, Guangzhou 510642, Peoples R China
3.Guizhou Univ, Coll Agr, Dept Plant Pathol, Guiyang 550025, Peoples R China
4.Sichuan Acad Agr Sci, Inst Plant Protect, Chengdu 610066, Peoples R China
关键词： Globodera vulgaris; Globodera; Mitochondrial genomes; Comparative mitochondrial genomics; Phylogenetic analysis
期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.6； 五年影响因子：4.9 ）
ISSN： 2045-2322
年卷期： 2024 年 14 卷 1 期
页码：
收录情况： SCI
摘要： Due to the highly conserved structure, animal mitochondrial genome (mtDNA) is widely used in classification, evolution, phylogeny, population genetic structure and other fields. We reported on the five circle multipartite mtDNAs of a newly described species of Globodera, Globodera vulgaris (Gv) from potatoes in China. The results showed that the mtDNA of Gv was obtained through second- and third-generation sequencing, with a total length of 42,995 bp. It contained 12 protein-coding genes, two rRNA genes and 17 tRNA genes, which were distributed in different subgenomic circles. Comparison of the differences in mtDNA among Gv, G. rostochiensis, G. pallida and G. ellingtonae showed that the size and arrangement of the genes in the mtDNA of the genus Globodera were variable and not conserved. The codon usage bias of the mitochondrial protein-coding gene of Gv showed that Gv might have originated from locally and more primitive group of existing Globodera. Based on the cytochrome c oxidase subunits I genes (COX1) and the nicotinamide adenine dinucleotide dehydrogenase subunits I genes (ND1), and the results showed that Gv was clustered with Globodera spp. according to the COX1 and ND1 in scmtDNA-V, while Gv was clustered with Meloidogyne spp. according to ND1 in scmtDNA-III. The results of this study provided a new basis for understanding the multipartite structure of mtDNA as a phylogenetic and taxonomic feature of the genus Globodera. The number of subgenomic circles is a diagnostic feature of species and the arrangement order and size of mitochondrial protein-coding genes also have important application value in species identification within the genus.
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