Comparative analysis the variability of a complete mitochondrial genome of polledness intersexual goat (PIS--) from China

The polledness intersexual goat (PIS--) (Capra hircus), deformed individuals, could have malformed reproductive organs and loss of reproductive function. Here, we first determined the complete mitochondrial genome of Chinese native polledness intersexual goat (PIS--) is 16, 640 nt in length, consisting of 13 protein-coding genes, 22 transfer RNA (tRNA) genes, 2 ribosomal RNA (rRNA) genes and a non-coding control region. As in other mammals and intrastrains, most mitochondrial genes are encoded on the heavy strand, except for ND6 and eight tRNA genes, which are encoded on the light strand. Its overall base composition is A: 33.5%, T: 27.3%, C: 26.1% and G: 13.1%. The complete mitogenome of the Chinese indigenous breed of goat could provide a basic data for further understanding the contribution of mitochondria in the sex-developmental mechanism, tissue and organ cell deformity of polledness intersexual goat via genomic compare.