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

Abstract

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 AT skew, which is most obviously in the control region and proteincoding 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.

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The complete mitochondrial genome of the striped hamster (Cricetulus barabesis) China and its phylogenetic analysis

“…The accurate annotated mitochondrial genome sequence was submitted to GenBank with accession number MN056361. The arrangement of the multiple genes is in line with other Cricetidae species (Triant and DeWoody 2006;Fan et al 2011;Hao et al 2011;Bendov a et al 2016;Chen et al 2016;Cong et al 2016;Kang et al 2016;Luo and Liao 2016;Park et al 2017) and most mammals (Meganathan et al 2012;Yoon et al 2013;Xu et al 2012Xu et al , 2013Liu et al 2017aLiu et al , 2017bLiu et al , 2017cLiu et al , 2018Liu et al , 2019aLiu et al , 2019bJin et al 2017).…”

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