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Cariotipos Óptimos Identificados y Relación Filogenética en Especies de Pseudobagrus Basados en Mitogenomas Completos

Qian Qi¹, Weixu Jiang¹, Yanhui Sun²

¹Henan Open Laboratory of Key Subjects of Environmental and Animal Products Safety, College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471023, China.

Animals : an open access journal from MDPI

|January 28, 2026

Resumen

Este estudio aclara la taxonomía del género de peces gato de agua dulce Pseudobagrus utilizando genomas mitocondriales. El análisis filogenético revela dos clados principales, apoyando el género

Área de la Ciencia:

Ictiología
Sistemática Molecular
Genómica

Sus antecedentes:

El género Pseudobagrus comprende peces gato de agua dulce de importancia económica y ecológica en Asia Oriental.
La taxonomía de Pseudobagrus es actualmente contenciosa y requiere una mayor investigación.

Objetivo del estudio:

Aclarar las relaciones filogenéticas dentro del género Pseudobagrus.
Proporcionar una base molecular para la delimitación de especies y la revisión sistemática.

Principales métodos:

Secuenciación y análisis de genomas mitocondriales completos de 15 especies de Pseudobagrus.
Construcción de árboles filogenéticos utilizando genes concatenados que codifican proteínas.

Principales resultados:

Los genomas mitocondriales promediaron 16,526–16,647 pb con un orden de genes conservado y sesgo AT.
El análisis filogenético identificó dos clados principales, con Pseudobagrus trilineatus formando un clado distinto.
El estudio identificó diversidad críptica y complejidad taxonómica dentro del género.

Conclusiones:

El género Pseudobagrus es monofilético.
Los datos moleculares respaldan un marco sistemático revisado para Pseudobagrus.
Se justifican revisiones taxonómicas adicionales basadas en la diversidad críptica destacada.

Palabras clave:

Pseudobagrus evolución mitogenoma codones óptimos relación filogenética

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