Zhang Hui, Liu Qian, Lu Congcong, Deng Jun, Huang Xiaolei
State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
Insects. 2021 Jan 11;12(1):55. doi: 10.3390/insects12010055.
Complete mitochondrial genomes are valuable resources for different research fields such as genomics, molecular evolution and phylogenetics. The subfamily Lachninae represents one of the most ancient evolutionary lineages of aphids. To date, however, no complete Lachninae mitogenome is available in public databases. Here we report the mitogenome, representing the first complete mitogenome of Lachninae. The mitogenome is consist of 13 protein-coding genes (PCGs), two rRNA genes (rRNAs), 22 tRNA genes (tRNAs), a control region and a large tandem repeat region. Strikingly, the mitogenome exhibits a novel, highly rearranged gene order between and compared with that of other aphids. The presence of repeat region in the basal Lachninae may further indicate it is probably an ancestral feature of aphid mitogenomes. Collectively, this study provides new insights on mitogenome evolution and valuable data for future comparative studies across different insect lineages.
完整的线粒体基因组是基因组学、分子进化和系统发育学等不同研究领域的宝贵资源。毛蚜亚科是蚜虫中最古老的进化谱系之一。然而，迄今为止，公共数据库中尚无完整的毛蚜亚科线粒体基因组。在此，我们报道了该线粒体基因组，它代表了毛蚜亚科的首个完整线粒体基因组。该线粒体基因组由13个蛋白质编码基因（PCGs）、两个核糖体RNA基因（rRNAs）、22个转运RNA基因（tRNAs）、一个控制区和一个大的串联重复区域组成。令人惊讶的是，与其他蚜虫相比，该线粒体基因组在[此处原文缺失相关内容]和[此处原文缺失相关内容]之间呈现出一种全新的、高度重排的基因顺序。基部毛蚜亚科中重复区域的存在可能进一步表明这可能是蚜虫线粒体基因组的一个祖先特征。总体而言，本研究为线粒体基因组进化提供了新的见解，并为未来跨不同昆虫谱系的比较研究提供了有价值的数据。
