Wu Xuanye, Wang Xiaojia, Kuang Gaoxiang, Jin Kun, Liu Xuedong
College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China.
Chongqing Zoo, Chongqing, China.
Mitochondrial DNA B Resour. 2024 Mar 28;9(3):408-410. doi: 10.1080/23802359.2024.2334024. eCollection 2024.
Livingstone's turaco, , belongs to the family Musophagidae. In this study, we obtained the complete mitochondrial genome sequence of Livingstone's turaco by high-throughput sequencing technology and constructed a phylogenetic tree. It was found that the mitochondria of this species are 19,015 bp in length and contain a total of 37 genes, comprising 13 protein-coding genes, 22 tRNA genes, and 2 rRNA genes. The base composition of the mitochondrial genome is 31.61% A, 24.22% T, 30.64% C, and 13.52% G, with a GC content of 44%. Notably, an intriguing phenomenon of mitochondrial genome rearrangements was observed, characterized by the duplication of the tRNA Glu-L-CR gene order. In addition, the results of the phylogenetic tree analysis shed light on the taxonomic position of Livingstone's turaco and supported the taxonomy of Otidimorphae. The study provides a basis for future phylogenetic and taxonomic investigations of Musophagiformes.
利文斯通蕉鹃属于蕉鹃科。在本研究中，我们通过高通量测序技术获得了利文斯通蕉鹃的完整线粒体基因组序列，并构建了系统发育树。结果发现，该物种的线粒体长度为19,015 bp，共包含37个基因，其中包括13个蛋白质编码基因、22个tRNA基因和2个rRNA基因。线粒体基因组的碱基组成为：A占31.61%，T占24.22%，C占30.64%，G占13.52%，GC含量为44%。值得注意的是，观察到一个有趣的线粒体基因组重排现象，其特征为tRNA Glu-L-CR基因顺序的重复。此外，系统发育树分析结果揭示了利文斯通蕉鹃的分类地位，并支持了鹃形目的分类。该研究为今后蕉鹃科的系统发育和分类研究提供了依据。
