Complete mitogenome of common myna (Acridotheres tristis) – characterization and phylogenetic implications

Ray, Swapna Devi; Dey, Prateek; Sarkar, Indrani; Sharma, Sanjeev Kumar; Quadros, Goldin; Pramod, Padmanabhan; Kochiganti, Venkata Hanumat Sastry; Singh, Ram Pratap

doi:10.1007/s11756-023-01327-4

Cited by 1 publication

(4 citation statements)

References 27 publications

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“…Vertebrate mitogenomes tend to remain highly conserved across speciation events [ 62 ]. Consequently, prior research on avian mitogenomes has inferred little selection pressure on individual PCGs, and our findings are consistent with these observed patterns [ 15 , 18 , 63 , 64 ]. Over the past two decades, multiple approaches have been developed to assess selection pressure across a phylogeny.…”

Section: Discussionsupporting

confidence: 91%

“…The structural features, gene arrangements, control region gene order, and A-T indices of the sequenced mitogenomes were conserved across the members of Phasianidae, including in the previously reported Coturnix mitogenomes [ 26 , 27 , 56 ]. These structural features are also highly conserved across vertebrate taxa (including Aves) [ 15 , 18 , 57 , 58 ]. Homogeneity in the patterns of codon, amino acid, and RSCU usage in the mitogenomes of C. japonica and C. coturnix suggests identical translational efficiency of PCGs and highly similar evolutionary pressures acting on them [ 59 ].…”

Section: Discussionmentioning

confidence: 99%

“…The wet-lab and next-generation sequencing methods used in this study were carried out and developed in-house as described below [ 15 , 16 , 17 , 18 ]. Extracted DNA was utilized for library preparation following the TruSeq DNA PCR-Free library preparation kit protocol (Illumina Inc., San Diego, CA, USA).…”

Section: Methodsmentioning

confidence: 99%

“…A single specimen of C. coturnix was collected through a road-killed survey in Nagpur, Maharashtra State, India, with due permission from the Maharashtra Forest Department (Desk-22(8)/Research/CR-8 (18)(19)/875/2018 -19). Identification of the specimen was performed in the field using a field guide [12].…”

Section: Sample Collectionmentioning

confidence: 99%

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Mitogenomic Insights into the Evolution, Divergence Time, and Ancestral Ranges of Coturnix Quails

Dey,

Ray,

Kochiganti

et al. 2024

Genes

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The Old-World quails, Coturnix coturnix (common quail) and Coturnix japonica (Japanese quail), are morphologically similar yet occupy distinct geographic ranges. This study aimed to elucidate their evolutionary trajectory and ancestral distribution patterns through a thorough analysis of their mitochondrial genomes. Mitogenomic analysis revealed high structural conservation, identical translational mechanisms, and similar evolutionary pressures in both species. Selection analysis revealed significant evidence of positive selection across the Coturnix lineage for the nad4 gene tree owing to environmental changes and acclimatization requirements during its evolutionary history. Divergence time estimations imply that diversification among Coturnix species occurred in the mid-Miocene (13.89 Ma), and their current distributions were primarily shaped by dispersal rather than global vicariance events. Phylogenetic analysis indicates a close relationship between C. coturnix and C. japonica, with divergence estimated at 2.25 Ma during the Pleistocene epoch. Ancestral range reconstructions indicate that the ancestors of the Coturnix clade were distributed over the Oriental region. C. coturnix subsequently dispersed to Eurasia and Africa, and C. japonica to eastern Asia. We hypothesize that the current geographic distributions of C. coturnix and C. japonica result from their unique dispersal strategies, developed to evade interspecific territoriality and influenced by the Tibetan Plateau’s geographic constraints. This study advances our understanding of the biogeographic and evolutionary processes leading to the diversification of C. coturnix and C. japonica, laying important groundwork for further research on this genus.

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