The ancient mitochondrial genome of Asiatic ibex (Capra sibirica) from Tangchaodun Ruins in Xinjiang, China, and its phylogenetic relationship
Song G, Zhang X, Yu X, Cai D.
Abstract
The ancient mitochondrial genome of an Asiatic ibex (Capra sibirica) 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 Capra under the HKY+I + G4 model. Molecular evidence confirms the northern Capra sibirica lineage existed here ≥650 years ago and persists, with close genetic affinity to modern conspecifics. Keywords: Ancient DNA, high throughput sequencing, genetic continuity, genetic backgrounds, genetic architectures
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