Dataset Information

Complete mitochondrial genome of white-throated rock-thrush Monticola cinclorhynchus gularis (Passeriformes: muscicapidae).

ABSTRACT: The white-throated rock-thrush Monticola cinclorhynchus gularis is a subspecies bird in the family Muscicapidae of the order Passeriformes, which is distributed in Southeast Siberia to Northeast China and Korea, winters to Southeast Asia. In this study, we determined its complete mitochondrial genome (mtDNA) by the PCR-based method. The complete mtDNA is a 16,801 bp circular molecule containing 37 typical genes. The gene order is identical with the standard avian gene order. All protein-coding genes start with a typical ATG codon except for COI. The termination codon is usually the standard TAA. The 12S rRNA is 984 bp, and the 16S rRNA is 1602 bp in length. All tRNAs possess the classic clover leaf secondary structure except for tRNA^{Ser (AGN)} and tRNA^{Cys (CUN)}, which lack the 'DHU' stem, only forming a simple loop. The non-coding regions contain a 1222 bp long control region (D-loop) and a few intergenic spacers. The phylogenetic tree based on some mitogenomes from Muscicapidae and Turdidae indicates that M. cinclorhynchus gularis and Phoenicurus auroreus are in the same branch in the group Muscicapidae.

SUBMITTER: Zhang H

PROVIDER: S-EPMC7875201 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Tarsiger indicus (Vieillot, 1817), the White-browed Bush Robin, is a small passerine bird widely distributed in Asian countries. Here, we successfully sequenced its mitogenome using the Illumina Novaseq 6000 platform (Illumina, San Diego, CA, USA) for PE 2 × 150 bp sequencing. Combined with other published mitogenomes, we conducted the first comprehensive comparative mitogenome analysis of Muscicapidae birds and reconstructed the phylogenetic relationships between Muscicapidae and related groups. The T. indicus mitogenome was 16,723 bp in size, and it possessed the typical avian mitogenome structure and organization. Most PCGs of T. indicus were initiated strictly with the typical start codon ATG, while COX1 and ND2 were started with GTG. RSCU statistics showed that CUA, CGA, and GCC were relatively high frequency in the T. indicus mitogenome. T. cyanurus and T. indicus shared very similar mitogenomic features. All 13 PCGs of Muscicapidae mitogenomes had experienced purifying selection. Specifically, ATP8 had the highest rate of evolution (0.13296), whereas COX1 had the lowest (0.01373). The monophylies of Muscicapidae, Turdidae, and Paradoxornithidae were strongly supported. The clade of ((Muscicapidae + Turdidae) + Sturnidae) in Passeriformes was supported by both Bayesian Inference and Maximum likelihood analyses. The latest taxonomic status of many passerine birds with complex taxonomic histories were also supported. For example, Monticola gularis, T. indicus, and T. cyanurus were allocated to Turdidae in other literature; our phylogenetic topologies clearly supported their membership in Muscicapidae; Paradoxornis heudei, Suthora webbiana, S. nipalensis, and S. fulvifrons were formerly classified into Muscicapidae; we supported their membership in Paradoxornithidae; Culicicapa ceylonensis was originally classified as a member of Muscicapidae; our results are consistent with a position in Stenostiridae. Our study enriches the genetic data of T. indicus and provides new insights into the molecular phylogeny and evolution of passerine birds.

Dataset Information

Complete mitochondrial genome of white-throated rock-thrush Monticola cinclorhynchus gularis (Passeriformes: muscicapidae).

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