The ancient mitochondrial genome of Asiatic ibex ( <i>Capra sibirica</i> ) from Tangchaodun Ruins in Xinjiang, China, and its phylogenetic relationship

The ancient mitochondrial genome of an Asiatic ibex (<i>Capra sibirica</i>) from Tangchaodun Ruins was obtained by high throughput sequencing. The observed damage pattern confirms the authenticity and reliability of the sequence. This mitogenome has a length of 16,583 bp, encompassing 13 protein-coding genes, 22 transfer RNAs, two ribosomal RNAs, one L-strand replication origin, and one control region. The total base composition of the mitochondrial genome is 31.94% A, 25.62% T, 12.48% G, 25.08% C, and 4.88% missing data with an AT composition of 57.56%. A maximum-likelihood phylogenetic tree based on the mitogenomes was recovered including other sequences of the genus <i>Capra</i> under the HKY+I + G4 model. Molecular evidence confirms the northern <i>Capra sibirica</i> lineage existed here ≥650 years ago and persists, with close genetic affinity to modern conspecifics.