Mitogenomic characterization and phylogenetic placement of the Red pandora Pagellus bellottii from the Eastern Atlantic Ocean within the family Sparidae

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Publicat a:	Scientific Reports (Nature Publisher Group) vol. 15, no. 1 (2025), p. 30432-30448
Autor principal:	Wujdi, Arief
Altres autors:	Ewusi, Emmanuel Ofosu Mireku, Sektiana, Sinar Pagi, Amin, Muhammad Hilman Fu’adil, López-Vera, Estuardo, Kim, Hyun-Woo, Kang, Hye-Eun, Kundu, Shantanu
Publicat:	Nature Publishing Group
Matèries:	Ghana United States > US Atlantic Ocean Geographical distribution Phylogenetics tRNA Ocean currents Population decline Marine ecosystems Genomes Coastal fisheries Genes Phylogeny Transfer RNA Systematics Bats Bayesian analysis Next-generation sequencing Miocene Taxonomy Biogeography Fishing Divergence Morphology Conservation Fisheries management Hydrophobicity Comparative analysis Heteroplasmy Congeners Pagellus bellottii Sparidae Pagellus bogaraveo Pagellus Environmental
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Resum:	The systematics and conservation management of the Red pandora (Pagellus bellottii) remain challenging due to the overlapping morphology and distributions with closely related congeners in the Eastern Atlantic Ocean and Mediterranean Sea. These challenges are further exacerbated by population declines driven by intensive coastal fisheries and a paucity of molecular data. In this study, high-throughput sequencing was utilized to assemble the first complete mitogenome of P. bellottii from its native range. The mitogenome (16,666 bp) comprises the typical set of 13 protein-coding genes (PCGs), 22 transfer RNAs (tRNAs), two ribosomal RNAs (rRNAs), and a non-coding control region (CR). The analysis of PCGs revealed a predominance of hydrophobic and neutral amino acids and strong purifying selection. Unlike P. bogaraveo, no evidence of heteroplasmy was observed in the WANCY tRNA gene cluster of P. bellottii. Notably, nucleotide polymorphisms were identified within conserved motifs of the CR. The Bayesian inference and Maximum Likelihood phylogenetic analyses revealed non-monophyly among several Sparidae genera (Pagellus, Dentex, and Pagrus), with P. bellottii clustering most closely with P. erythrinus. Molecular dating estimated the divergence between P. bellottii and P. erythrinus at approximately 6.1 million years ago (MYA), during the Miocene, a period more recent than the divergence of P. bogaraveo and P. acarne (~ 10.5 MYA). These divergence times coincide with major geological events, such as the formation of the Gibraltar Arc and the opening of the Atlantic–Mediterranean gateway, which likely facilitated speciation and lineage diversification of Pagellus. Additionally, the asymmetric biogeographic distribution of P. bellottii and related species may be influenced by hydrographic barriers, climatic gradients across the North and South Atlantic, and historical events such as the Messinian salinity crisis. Overall, this study provides the first comprehensive mitogenomic insights into P. bellottii and underscores the importance of further genome-wide research to elucidate adaptive evolution and phylogeographic history for developing effective conservation and management strategies for all Sparidae in marine ecosystems.
ISSN:	2045-2322
DOI:	10.1038/s41598-025-16187-y
Font:	Science Database