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The complete mitochondrial genome sequence of Alcippe ruficapilla (Passeriformes: Timaliidae) and phylogenetic position.

ABSTRACT: In this work, we first reported the complete mitochondrial genome (mitogenome) sequence of Alcippe ruficapilla by next-generation sequencing (NGS). The complete mitogenome of A. ruficapilla was 16,941 bp in length and contained the typical structure of 13 protein-coding genes, 2 ribosomal RNA genes, 22 transfer RNA genes (tRNAs) and 2 no-coding control regions (D-loop). Nucleotide composition of the whole mitogenome was 29.2% A, 24.2% T, 31.87% C, and 14.8% G, respectively. Phylogenetic analysis indicated that Alcippe ruficapilla gathered into a single branch with Montifrigilla henrici and Acrocephalus scirpaceus with strong support.

SUBMITTER: Chong Q

PROVIDER: S-EPMC7748536 | 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

The complete mitochondrial genome sequence of Alcippe ruficapilla (Passeriformes: Timaliidae) and phylogenetic position.

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