Sequencing and analysis of the complete mitochondrial genome of tundra shrew (Sorex tundrensis) from China

Sequencing and analysis of the complete mitochondrial genome of Crocidura tanakae from China and its phylogenetic analysis

The complete mitogenome sequence of Crocidura tanakae was determined using long PCR. The genome was 16,969 bp in length and contained 13 protein-coding genes, 2 ribosomal RNA genes, 22 transfer RNA genes, 1 origin of L strand replication and 1 control region. The overall base composition of the heavy strand is A (32.5%), C (22.3%), T (31.9%), and G (13.3%). The base compositions present clearly the A-T skew, which is most obviously in the control region and protein-coding genes. Mitochondrial genome analyses based on MP, ML, NJ, and Bayesian analyses yielded identical phylogenetic trees. The five Crocidura species formed a monophyletic group with the high bootstrap value (100%) in all examinations. This study verifies the evolutionary status of C. tanakae in Soricidae at the molecular level. The mitochondrial genome would be a significant supplement for the C. tanakae genetic background.

The complete mitochondrial genome of Soriculus nigrescens (Soricomorpha: Soricinae)

The Himalayan Shrew (Soriculus nigrescens) Gray, 1842 belongs to the subfamily Soricinae, which is distributed in southwest China, Nepal, India, and Bhutan. This species is classified as Least Concern on The IUCN Red List. In this study, we sequenced the complete mitochondrial genome of S. nigrescens. This mitogenome is 17,284 bp in length and contains a set of 13 protein-coding genes (PCGs), two ribosomal RNA genes (rRNA), 22 transfer RNA genes (tRNA), one origin of L strand replication, and one control region. In order to explore the molecular phylogenetics evolution of Soricinae, the nucleotide sequence data of 13 PCGs of S. nigrescens and other 17 Insectivores were used for the phylogenetic analysis.

Sequencing and analysis of the complete mitochondrial genome of Chodsigoa hoffmanni from China and its phylogenetic analysis

The complete mitogenome sequence of Chodsigoa hoffmanni was determined using long PCR. The genome was 17,138 bp in length and contained 13 protein-coding genes, two ribosomal RNA genes, 22 transfer RNA genes, one origin of L strand replication, and one control region. The overall base composition of the heavy strand is A (32.8%), C (24.4%), T (29.8%), and G (13.0%). The base compositions present clearly the A-T skew, which is most obviously in the control region and protein-coding genes. Mitochondrial genome analyses based on MP, ML, NJ, and Bayesian analyses yielded identical phylogenetic trees. Chodsigoa hoffmanni is the first species to have been reported on the mitochondrial genome in Chodsigoa genus. This study verifies the evolutionary status of C. hoffmanni in Soricidae at the molecular level. The mitochondrial genome would be a significant supplement for the C. hoffmanni genetic background.

Sequencing and analysis of the complete mitochondrial genome of the taiga shrew (Sorex isodon) from China

The complete mitogenome sequence of the taiga shrew (Sorex isodon) was determined using long PCR. The genome was 17,008 bp in length and contained 13 protein-coding genes, two ribosomal RNA genes, 22 transfer RNA genes, one origin of L strand replication and one control region. The overall base composition of the heavy strand is A (32.5%), C (24.5%), T (28.5%), and G (13.5%). The base compositions present clearly the A-T skew, which is most obviously in the control region and protein-coding genes. The extended termination-associated sequence domain, the central conserved domain and the conserved sequence block domain are defined in the mitochondrial genome control region of the taiga shrew. Mitochondrial genome analyses based on MP, ML, NJ, and Bayesian analyses yielded identical phylogenetic trees. The eight Sorex species formed a monophyletic group with the high bootstrap value (100%) in all examinations.

Sequencing and analysis of the complete mitochondrial genome of the Ussuri shrew (Sorex mirabilis) from China

The complete mitogenome sequence of the Ussuri shrew (Sorex mirabilis) was determined using long PCR. The genome was 17,315 bp in length and contained 13 protein-coding genes, two ribosomal RNA genes, 22 transfer RNA genes, one origin of L strand replication, and one control region. The overall base composition of the heavy strand is A (32.6%), C (25.2%), T (28.8%), and G (13.4%). The base compositions present clearly the A–T skew, which is most obviously in the control region and protein-coding genes. The extended termination-associated sequence domain, the central conserved domain and the conserved sequence block domain are defined in the mitochondrial genome control region of the Ussuri shrew. Mitochondrial genome analyses based on MP, ML, NJ, and Bayesian analyses yielded identical phylogenetic trees. The five Sorex species formed a monophyletic group with the high bootstrap value (100%) in all examinations.

Sequencing and analysis of the complete mitochondrial genome of the slender shrew (Sorex gracillimus) from China

The complete mitogenome sequence of the slender shrew (Sorex gracillimus) was determined using long PCR. The genome was 17,002 bp in length and contained 13 protein-coding genes, two ribosomal RNA genes, 22 transfer RNA genes, one origin of L strand replication, and one control region. The overall base composition of the heavy strand is A (32.5%), C (25.5%), T (28.5%), and G (13.5%). The base compositions present clearly the A–T skew, which is most obviously in the control region and protein-coding genes. The extended termination-associated sequence domain, the central conserved domain and the conserved sequence block domain are defined in the mitochondrial genome control region of the slender shrew. Mitochondrial genome analyses based on MP, ML, NJ, and Bayesian analyses yielded identical phylogenetic trees. The five Sorex species formed a monophyletic group with the high bootstrap value (100%) in all examinations.

Sequencing and analysis of the complete mitochondrial genome of the masked shrew (Sorex caecutiens) from China

The complete mitogenome sequence of the masked shrew (Sorex caecutiens) was determined using long PCR. The genome was 17,096 bp in length and contained 13 protein-coding genes, two ribosomal RNA genes, 22 transfer RNA genes, one origin of L strand replication, and one control region. The overall base composition of the heavy strand is A (32.9%), C (24.5%), T (29.3%), and G (13.3%). The base compositions present clearly the A–T skew, which is most obviously in the control region and protein-coding genes. The extended termination-associated sequence domain, the central conserved domain and the conserved sequence block domain are defined in the mitochondrial genome control region of the masked shrew. Mitochondrial genome analyses based on MP, ML, NJ, and Bayesian analyses yielded identical phylogenetic trees. The five Sorex species formed a monophyletic group with the high bootstrap value (100%) in all examinations.

Sequencing and analysis of the complete mitochondrial genome of flat-skulled shrew (Sorex roboratus) from China

The complete mitogenome sequence of flat-skulled shrew (Sorex roboratus) was determined using long PCR. The genome was 17,153 bp in length and contained 13 protein-coding genes, 2 ribosomal RNA genes, 22 transfer RNA genes, 1 origin of L strand replication and 1 control region. The overall base composition of the heavy strand is A (33.1%), C (24.4%), T (29.4%), and G (13.1%). The base compositions present clearly the A–T skew, which is most obviously in the control region and protein-coding genes. The extended termination-associated sequence domain, the central conserved domain and the conserved sequence block domain are defined in the mitochondrial genome control region of flat-skulled shrew. Mitochondrial genome analyses based on MP, ML, NJ and Bayesian analyses yielded identical phylogenetic trees. The five Sorex species formed a monophyletic group with the high bootstrap value (100%) in all examinations.