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Mitochondrial Genome Characteristics and Phylogenetic Analysis of Fulmekiola serrata (Kobus) (Thysanoptera: Thripidae)

文献类型： 外文期刊

作者： Yin, Jiong 1 ; Luo, Zhi-Ming 3 ; Li, Yin-Hu 3 ; Wang, Chang-Mi 3 ; Li, Jie 3 ; Zhang, Rong-Yue 3 ; Shan, Hong-Li 3 ; Wang, Xiao-Yan 3 ; Chen, You-Qing 1 ;

作者机构： 1.Chinese Acad Forestry, Inst Highland Forest Sci, Kunming 650233, Peoples R China

2.Nanjing Forestry Univ, Grad Sch, Nanjing 210037, Peoples R China

3.Yunnan Acad Agr Sci, Sugarcane Res Inst, Yunnan Engn Res Ctr Sugar Ind, Kaiyuan 661699, Peoples R China

关键词： sugarcane thrips; mitochondrial genome; phylogeny; gene rearrangement

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：4.9； 五年影响因子：5.7 ）

ISSN： 1661-6596

年卷期： 2024 年 25 卷 19 期

页码：

收录情况： SCI

摘要： Sugarcane thrips, Fulmekiola serrata (Kobus) (Thysanoptera: Thripidae), is a common foliar pest that infests sugarcane and is found throughout tropical and subtropical countries. In this study, we obtained and analyzed the complete mitochondrial genome of F. serrata for the first time and explored the phylogenetic relationships of the higher-order elements of Thysanoptera members at the mitochondrial level. The complete mitochondrial genome of F. serrata is 16,596 bp in length and includes 13 protein-coding genes (PCGs), 22 transfer RNA (tRNA) genes, 2 ribosomal RNA (rRNA) genes, and 1 noncoding control region. A+T accounted for 75% of the total bases in the mitochondrial genome of F. serrata, revealing an obvious AT bias. Among the 13 PCGs, except for nad5, which had a start codon of TTG, the remaining genes had ATNs typical of insects (ATA, ATT, ATC, and ATG); nad1, nad2, nad3, and atp8 had incomplete termination codons of TA or T. The remaining nine PCGs were complete with the termination codon TAA. Of the 22 tRNA secondary structures, all were typical cloverleaf secondary structures except for trnS1, which was missing the DHU arm. Compared with the hypothetical ancestral gene arrangement of arthropods, F. serrata presented extensive gene rearrangement, with 23 translocated genes, 8 inverted genes, and 5 shuffled genes. Both maximum likelihood (ML) and Bayesian inference (BI) phylogenetic trees resulted in similar topologies: ((Thripidae + (Stenurothripidae + Aeolothripidae)) + Phlaeothripidae), with Thripidae, Aeolothripidae and Phlaeothripidae being monophyletic groups, whereas F. serrata is closely related to Thrips palmi, and the two are sister groups.

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