Mitochondrial COI gene is valid to delimitate Tylenchidae (Nematoda: Tylenchomorpha) species
文献类型： 外文期刊
第一作者： Bai, Mengxin
作者： Bai, Mengxin;Qiao, Kaikai;Ning, Xulan;Xiao, Shun;Cheng, Xi;Liu, Guokun;Qing, Xue
作者机构：
关键词： Lelenchus leptosoma; Phylogeny; 28S rRNA; 18S rRNA; Species identification
期刊名称：JOURNAL OF NEMATOLOGY （ 影响因子：1.402； 五年影响因子：2.012 ）
ISSN： 0022-300X
年卷期： 2020 年 52 卷
页码：
收录情况： SCI
摘要： Tylenchidae is a widely distributed soil-inhabiting nematode family. Regardless their abundance, molecular phylogeny based on rRNA genes is problematic, and the delimitation of taxa in this group remains poorly documented and highly uncertain. Mitochondrial Cytochrome Oxidase I (COI) gene is an important barcoding gene that has been widely used species identifications and phylogenetic analyses. However, currently 001 data are only available for one species in Tylenchidae. In present study, we newly obtained 27 COI sequences from 12 species and 26 sequences from rRNA genes. The results suggest that the 001 gene is valid to delimitate Tylenchidae species but fails to resolve phylogenetic relationships.
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