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The complete mitochondrial genome of Tuta absoluta (Lepidoptera: Gelechiidae) and genetic variation in two newly invaded populations in China

文献类型： 外文期刊

作者： Li, Xiao-wei 1 ; Fu, Kai-yun 2 ; Guo, Wen-chao 3 ; Wang, Tian-zhen 4 ; Lu, Yao-bin 1 ;

作者机构： 1.Zhejiang Acad Agr Sci, Inst Plant Protect & Microbiol, State Key Lab Managing Biot & Chem Threats Qual &, Hangzhou, Peoples R China

2.Xinjiang Acad Agr Sci, Inst Plant Protect, Key Lab Integrated Management Harmful Crop Vermin, Minist Agr, Urumqi, Peoples R China

3.Xinjiang Acad Agr Sci, Inst Microbial Applicat, Urumqi, Peoples R China

4.Yuxi Plant Protect & Quarantine Stn, Yuxi, Peoples R China

5.298 Deshengzhong Rd, Hangzhou 310021, Zhejiang, Peoples R China

关键词： Invasive pest; Tuta absoluta; Mitogenomes; Mitochondrial gene markers; Genetic diversity

期刊名称：JOURNAL OF ASIA-PACIFIC ENTOMOLOGY （ 影响因子：1.58； 五年影响因子：1.575 ）

ISSN： 1226-8615

年卷期： 2022 年 25 卷 4 期

页码：

收录情况： SCI

摘要： Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) is a devastating invasive pest worldwide, causing severe damage to tomatoes. Recently, it has been recorded in the northwestern and southwestern parts of China. Here, the mitogenomes and genetic variation of two newly invaded T. absoluta populations in Xinjiang and Yunnan, were determined. The results showed that the complete mitogenome size of T. absoluta is 15298 bp for the in-dividual from Xinjiang and 15296 bp for the individual from Yunnan, which were both longer than the reported mitogenome from Spain (15290 bp). The mitogenome sequences of individuals collected from three locations showed high levels of sequence similarity, except for 8 polymorphic sites, which were in genes cox2 (1 site), cox3 (2 sites), cob (1 site), atp6 (1 site), nad1 (2 sites) and nad5 (1 site). Tuta absoluta mitogenomes share many features with other 6 Gelechiidae mitogenomes, except for several differences in the start and stop codons of protein-coding genes and the length of intergenic spacers. Seven partial mitochondrial genes (cox1, cox2, cox3, atp6, cob, nad1, and nad5) were used for genetic variation analysis, and significant population differentiation was found between the two populations based on cox2, atp6, nad1, and nad5. The complete mitogenomes and sen-sitive mitochondrial gene markers reported here provide useful data for further population genetics study of this pest.

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