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Liangshan pig is one of the famous native breeds in Sichuan province in China. It lives in the mountainous areas (about 1500-2500 m altitude) and has a superior meat quality. Here, the complete mitochondrial genome sequence of Liangshan pig was first reported. The total length of mitochondrial genome is 16,760 bp, including 34.62% A, 25.79% T, 26.20%, C and 13.39% G, with an A + T bias of 60.41%. Mitochondrial genome contains a major non-coding control region (D-Loop region), two ribosomal RNA genes, 13 protein-coding genes (PCGs), and 22 transfer RNA genes. The D-loop region is located between the tRNA-Pro and tRNA-Phe genes with a length of 1324 bp, some tandem repeat sequences was found in the region. The mitochondrial genome of Liangshan pig provides an important role in genetic mechanism.

The complete mitochondrial genome sequence of the longsnout seahorse Hippocampus reidi was fisrt determined in this article. The total length of H. reidi mitogenome is 16,529 bp and consists of 13 protein-coding genes, 2 rRNA genes, 22 tRNA genes and 1 control region. The gene order and composition of H. reidi were similar to those of most other vertebrates. The overall base composition of H. reidi is 32.47% A, 29.41% T, 14.75% G and 23.37% C, with a slight A + T rich feature (61.88%).

Duroc (♂) × [Landrace (♂) × Yorshire (♀)] (D × LY) pig is the popular hybrid pigs in order to make the most use of the heterosis in the world. In this study, the complete nucleotide sequence of D × LY pig mitochondrial genome was determined for the first time. Sequence analysis showed that the genome structure was in accordance with other pig breeds. It contained 22 tRNA genes, 2 ribosomal RNA genes, 13 protein-coding genes and 1 control region (D-loop region). The complete mitochondrial genome sequence of the D × LY pig provides an important data set for further study in genetic mechanism.

The complete mitochondrial genome sequence of the lined seahorse Hippocampus erectus was first determined in this article. The total length of H. erectus mitogenome is 16,529 bp, which consists of 13 protein-coding genes, 22 tRNA and 2 rRNA genes and 1 control region. The features of the H. erectus mitochondrial genome were similar to the typical vertebrates. The overall base composition of H. erectus is 31.8% A, 28.6% T, 24.3% C and 15.3% G, with a slight A + T rich feature (60.4%).

The mitochondrial genome ofHelicophagella melanura, a representative of the Sarcophagidae family, was completely sequenced for the first time. The genome is a double-stranded circular molecule of 15,190 bp length, including the 37 genes and 1 non-coding AT-rich region. The gene contents of the mtDNA were identical to those observed in the ancestral arthropod. The total base composition ofHelicophagella melanuramitochondrial genome is 39.42% for A, 36.22% for T, 14.71% for C and 9.65% for G and in the order A > T > C > G. The mitochondrial genome data ofHelicophagella melanurais useful markers for species discrimination in forensic entomology and for phylogenetic analysis. [ABSTRACT FROM AUTHOR]

Dahuabai pig is one of the most important indigenous breed of the Guangzhou province of China. It is the first time that the complete mitochondrial genome sequence of Dahuabai pig is reported in this work, which is determined through the PCR-based method. The total length of the mitognome is 16,709 bp, which contains a control region (D-loop region), 2 ribosomal RNA genes, 13 protein-coding genes and 22 tRNA genes. The total base composition of Dahuabai pig mitochondrial genome is 34.68% for A, 26.20% for C, 25.81% for T and 13.32% for G, in the order A > C > T > G. The complete mitochondrial genome of Dahuabai pig provides an important data in studying mitochondrial DNA’s role in the process of metabolism and programmed cell death. [ABSTRACT FROM PUBLISHER]

Luchuan pig is one of the famous native breeds in China. In this study, we report the complete mitochondrial genome sequence of Luchuan pig for the first time, which is determined through the PCR-based method. The total length of the mitogenome is 16,710 bp with the base composition of 34.67% A, 13.33% G, 25.82% T and 26.18% C, and an A + T (60.48%)-rich feature is detected, which contains 1 control region (D-loop region), 2 ribosomal RNA genes, 13 PCGs and 22 tRNA genes. The complete mitochondrial genome of Luchuan pig provides an important data in genetic mechanism and the evolution genomes. [ABSTRACT FROM PUBLISHER]

Sandu black pig is one of the native breed in Guizhou province in China. The total length of mitochondrial genome of Sandu black pig is 16,741 bp. Mitochondrial genome contains a major non-coding control region (D-Loop region), 2 ribosomal RNA genes, 13 protein-coding genes (PCGs) and 22 transfer RNA genes. This is the first report of the complete mitochondrial genome sequence about Sandu black pig. The mitochondrial genome data of Sandu black pig presented is useful novel markers for further studying the population genetics ofsus scrofa. [ABSTRACT FROM PUBLISHER]

Congjiang miniature pig is one of the most important local pig breeds in China. It is the first time that the complete mitochondrial genome sequence of Lantang pig is reported in this work, which is determined through the PCR-based method. The total length of the mitogenome is 16,772 bp, which contains 1 control region (D-loop region), 2 ribosomal RNA genes, 13 PCGs and 22 tRNA genes. The total base composition of Congjiang miniature pig mitochondrial genome is 34.78% for A, 26.21% for C, 25.78% for T and 13.22% for G and in the order A>C>T>G. The complete mitochondrial genome of Congjiang miniature pig provides an important data in genetic mechanism and the evolution genomes. [ABSTRACT FROM PUBLISHER]

In this study, we sequenced the entire mitochondrial genome of Boer goat. The mitogenome was 16,639 bp in length, comprised of 22 tRNA genes, 2 ribosomal RNA genes, 13 protein-coding genes and 1 putative control region. Almost all genes were encoded on the H-strand except theND6and eight tRNA genes. Most of the genes initiated with ATG, whereasND2, ND3andND5started with ATA. The total base composition of the mitogenome was 33.53% for A, 26.05% for C, 13.12% for T and 27.30% for G. These results provide a standard reference sequence for phylogenetic analyses among goats. [ABSTRACT FROM AUTHOR]

In this study, the complete mitochondrial genome sequence of Diannan small-ear pig in Yunnan Province was firstly reported, which was determined through polymerase chain reaction (PCR) method. The total length of mitochondrial genome of Diannan small-ear pig was 16720 bp, including 34.77% A, 26.18% C, 25.81% T and 13.24% G, and in the order A > C > T > G. Mitochondrial genome contained a major non-coding control region (D-Loop region), 2 ribosomal RNA genes, 13 protein-coding genes (PCGs) and 22 transfer RNA genes. The mitochondrial genome of Diannan small-ear pig provides an important data set for the study on genetic mechanism. [ABSTRACT FROM AUTHOR]

Rongchang pig is one of the native breeds in Sichuan province in China. The total length of mitochondrial genome of Rongchang pig is 16,710 bp, including 34.67% A, 26.18% C, 25.82% T and 13.33% G, and in the order A > C > T > G. Mitochondrial genome contains a major non-coding control region (D-Loop region), 2 ribosomal RNA genes, 13 protein-coding genes (PCGs) and 22 transfer RNA genes. This is the first report of the complete mitochondrial genome sequence about Rongchang pig. The mitochondrial genome of Rongchang pig subsequently provides an important information in genetic mechanism and the evolution genomes. [ABSTRACT FROM AUTHOR]

In the present study, the ear tissue of an adult Laiwu Black pig is from the Shandong province of China. The complete mitochondrial genome of Laiwu Black pig was determined by polymerase chain reaction (PCR). The complete mitochondrial genome is 16,710 bp, and it contains 13 protein-coding genes, 2 rRNA genes, 22 tRNA genes, a control region (D-loop), with the genome organization and gene order being identical to that of the typical vertebrates. [ABSTRACT FROM AUTHOR]

The complete mitochondrial genome sequence of the longsnout seahorseHippocampus reidiwas fisrt determined in this article. The total length ofH. reidimitogenome is 16,529 bp and consists of 13 protein-coding genes, 2 rRNA genes, 22 tRNA genes and 1 control region. The gene order and composition ofH. reidiwere similar to those of most other vertebrates. The overall base composition ofH. reidiis 32.47% A, 29.41% T, 14.75% G and 23.37% C, with a slight A + T rich feature (61.88%). [ABSTRACT FROM AUTHOR]

In the present study, we sequenced the complete mitochondrial genome of Wuzhishan pig, which was 16 741 bp in size and had a nucleotide composition in A and T (60.46%). The genome consisted of a major non-coding control region (D-loop region) and 37 genes, including 2 ribosomal RNA (rRNA) genes, 13 protein-coding genes (PCGs), and 22 transfer RNA (tRNA) genes. The genes in the mitochondrial genomes of Wuzhishan pig used three kinds of initiation codons (ATA, ATG, and GTG) and four kinds of termination codons (TAA, AGA, TAG, and an incomplete termination codons T–). The complete mitochondrial genome sequence of Wuzhishan pig provides an important data set for further study on genetic mechanism. [ABSTRACT FROM AUTHOR]

In this study, the total length of mitochondrial genome ofDurocpig is 16,731 bp, including 34.66% A, 26.27% C, 25.74% T and 13.33% G. Mitochondrial genome contains a major non-coding control region (D-Loop region), 2 ribosomal RNA genes, 13 protein-coding genes (PCGs) and 22 transfer RNA genes. ND2 selects ATT as the initiation codon, and ATA is chose as an initiation codon in ND3 and ND5, the nonstandard start codon is GTG in ND4L and the rest protein common start codon is ATG. The mitochondrial genome ofDurocpig provides an important data in genetic mechanism, which plays an important role in the three-way crossbred pigs. [ABSTRACT FROM AUTHOR]

The complete mitochondrial genome sequence of the Barbour’s seahorseHippocampus barbouriwas first determined in this paper. The total length ofH. barbourimitogenome is 16,526 bp, which consists of 13 protein-coding genes, 22 tRNA and 2 rRNA genes and 1 control region. The features of theH. barbourimitochondrial genome were similar to the typical vertebrates. The overall base composition ofH. barbouriis 32.68% A, 29.75% T, 22.91% C and 14.66% G, with an AT content of 62.43%. [ABSTRACT FROM PUBLISHER]

The complete mitochondrial genome sequence of Qianshao spotted pig was first determined in this study. The mitogenome (16,700 bp) consists of 22 tRNA genes, 2 ribosomal RNA genes, 13 protein-coding genes and 1 control region (D-loop region). The complete mitochondrial genome sequence of the Qianshao spotted pig enriches data resource for further study in genetic mechanism. [ABSTRACT FROM PUBLISHER]