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Updated: Sep 9, 2025

An Integrated Approach for Microprotein Identification and Sequence Analysis

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La caracterización del mitogenoma de Ganoderma pseudoferreum reveló una evolución notable en el tamaño del genoma y

Jinpeng Lu^1,2, Chunxiu Qin^1,2, Siyan Huo^1,2

¹Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests, Ministry of Education, School of Tropical Agriculture and Forestry, Hainan University, Haikou, China.

Frontiers in plant science

|September 5, 2025

Resumen

Los investigadores secuenciaron el genoma mitocondrial de Ganoderma pseudoferreum, el hongo que causa la enfermedad de la raíz roja en los árboles de caucho. Este estudio revela su trayectoria evolutiva y su relación con otras especies de Ganoderma.

Área de la Ciencia:

Patología vegetal
Micología
La genómica

Sus antecedentes:

La enfermedad de la raíz roja, causada por Ganoderma pseudoferreum, es un patógeno significativo transmitido por el suelo que afecta al cultivo de árboles de caucho.
Las vías de infección complejas de la enfermedad y los desafíos de diagnóstico en etapa temprana dificultan la prevención y el control efectivos, lo que amenaza la producción de caucho.
El genoma mitocondrial de G. pseudoferreum, incluida su trayectoria evolutiva y divergencia de secuencias, sigue sin caracterizarse en gran medida.

Objetivo del estudio:

Reunir y caracterizar el genoma mitocondrial completo de Ganoderma pseudoferreum.
Investigar la trayectoria evolutiva y las características genómicas de G. pseudoferreum.
Para comparar G. pseudoferreum con especies relacionadas, como G. lingzhi, utilizando datos genómicos.

Principales métodos:

Secuenciación completa del genoma mitocondrial y ensamblaje de Ganoderma pseudoferreum.
Análisis del contenido genómico, incluidos los genes codificadores de proteínas, los genes de ARN ribosomal y los genes de ARNt.
Análisis filogenético, análisis del sitio de edición de ARN, sesgo de uso de codones y análisis de presión evolutiva.

Principales resultados:

Se ensambló el genoma mitocondrial completo de G. pseudoferreum, que mide 40.719 bp, que contiene 14 genes codificadores de proteínas, genes de ARN ribosomal, 22 ARNt y cuatro proteínas hipotéticas.
El análisis filogenético indicó una similitud significativa entre G. pseudoferreum y G. lingzhi.
El análisis de la edición de ARN, el uso de codones y la presión evolutiva sugiere que las especies de Ganoderma pueden modificar los genes clave de codificación de proteínas para la adaptación, creando caminos evolutivos distintos dentro de Basidiomycota.

Conclusiones:

Este estudio proporciona el primer análisis exhaustivo del genoma mitocondrial de G. pseudoferreum.
Los hallazgos ofrecen nuevos conocimientos sobre los patrones evolutivos y la dirección de G. pseudoferreum y el género Ganoderma más amplio.
La comprensión de estas dinámicas evolutivas puede contribuir al desarrollo de estrategias mejoradas para el manejo de la enfermedad de la raíz roja en los árboles de caucho.

Palabras clave:

Ganoderma y sus variedades el mitogenoma Filogenomía La especiación y tRNA

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