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线粒体基因组分析和植物遗传学影响对Deltocephaline Chiasmini部落 (Hemiptera:Cicadellidae:Deltocephalinae) 的研究
Bismillah Shah1,2, Muhammad Asghar Hassan3, Bingqing Xie1
1Anhui Province Key Laboratory of Integrated Pest Management on Crops, Key Laboratory of Biology and Sustainable Management of Plant Diseases and Pests of Anhui Higher Education Institutes, School of Plant Protection, Anhui Agricultural University, Hefei 230036, China.
Insects
|April 26, 2024
概括
这项研究测序了13种中国奇亚斯米尼叶物种的完整线粒体基因组,揭示了保存的基因顺序和结构. 遗传学分析证实了奇亚斯米尼是一个单一的群体,澄清了其属之间的关系.
科学领域:
- 昆虫学 昆虫学是一门学科.
- 基因组学就是基因组学.
- 人类遗传学 是一个学科.
背景情况:
- 草原叶部落Chiasmini,Deltocephalinae的一部分,在全球范围内具有很高的物种多样性,特别是在近北极地区,但其属在旧世界更为多样化.
- 虽然在中国已知11个属中的39个物种,但这种动物群仍未得到充分研究,以前仅对三种完整的线粒基因组进行了测序.
研究的目的:
- 调查奇亚斯米尼在Deltocephalinae中的遗传位置.
- 通过使用完整的线粒体基因组数据,阐明奇亚斯米尼属和物种之间的关系.
主要方法:
- 测序和分析来自中国七个属的13个奇亚斯米尼物种的完整线粒体基因组.
- 对线粒基因组结构,基因含量,基因组成,代码子使用和tRNA二次结构的比较分析.
- 使用最大概率 (ML) 和贝叶斯推理 (BI) 方法的家族遗传学分析,使用各种基因组合和序列类型.
主要成果:
- 保存了13个新测序的线粒基因组,显示了一个封闭的圆形结构,有37个基因,长度为14,80516,269bp,并保留了基因顺序,排列和基组成.
- 蛋白质编码基因主要使用ATN启动编码子,除了Doratura* sp. 和 *尼福特蒂克斯·尼格罗皮克图斯*. 大多数基因都有TAA/TAG停止编码子,有些基因有不完整的T停止.
- 遗传学分析始终支持奇亚斯米尼作为一个单类群,有七个单类属,分类为 ((Zahniserius + (Gurawa) + (Doratura) + (Aconurella)) + (Leofa) + (Exitianus) + (Nephotettix))).
结论:
- 完整的线粒体基因组对于在各种分歧水平上理解奇亚斯米尼基因组有价值.
- 这项研究阐明了奇亚斯米尼族的系统地位,并解决了部落及其组成族群内部的关系.
- 大多数Deltocephaline部落,除了Athysanini和Opsiini,根据分析证实是单一的.
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