Unusual mitochondrial tRNA rearrangements in stingless bee Tetragonula pagdeni and phylogenetic analysis
文献类型： 外文期刊
作者： Wang, Cheng-Ye 1 ; Yang, Pan-Li 1 ; Zhao, Min 1 ; Xu, Huan-Li 4 ; Liu, Li-Ning 4 ; Feng, Ying 1 ; Wang, Shi-Jie 5 ;
作者机构： 1.Chinese Acad Forestry, Inst Highland Forest Sci, Kunming, Peoples R China
2.Natl Forestry & Grassland Adm, Key Lab Breeding & Utilizat Resource Insects, Kunming, Peoples R China
3.Nanjing Forestry Univ, Coll Forestry, Nanjing, Peoples R China
4.China Agr Univ, Coll Plant Protect, Dept Entomol, Beijing, Peoples R China
5.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Haikou, Peoples R China
关键词： Complete mitogenome; Gene rearrangement; Hymenoptera; Meliponini; Phylogeny
期刊名称：ENTOMOLOGICAL SCIENCE （ 影响因子：1.294； 五年影响因子：1.272 ）
ISSN： 1343-8786
年卷期： 2022 年 25 卷 4 期
页码：
收录情况： SCI
摘要： Tetragonula pagdeni (Hymenoptera: Meliponini) is a widely distributed and economically important stingless bee. The taxonomic status and evolution of this species have not been fully understood. We sequenced the mitogenome of T. pagdeni and analyzed its characteristics including gene rearrangements in present work, which will provide help for better protection and utilization of this germplasm resource. The mitochondrial genome sequence was obtained by establishing library and high-throughput sequencing. Using all protein coding sequences joined, the phylogenetic analysis demonstrated that T. pagdeni has the closest kinship with Lepidotrigona species, and then has a second closest kinship with the Melipona stingless bees. All the stingless bee species (Meliponini) analyzed formed a single clade, and among them the T. pagdeni mitogenome exhibited the highest gene rearrangement score, suggesting this species has an overactive evolutionary history. Especially, an unusual tRNA-Gly translocation was observed in T. pagdeni mitogenome, which broke the super-conserved atp8-atp6-cox3-G block in Hymenoptera mitogenomes. The translocated tRNA-Gly moved to a position next to the D-loop control region, and whether this translocation has a functional effect to the widely distributed T. pagdeni need further exploration. The variations of gene positions in mitogenome could also provide useful information to clarify the phylogenetic relations in Meliponini.
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