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Updated: Feb 2, 2026

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Descubra la red laberíntica para la biosíntesis de glabridina
Zhen Zhang1, Wenqiang Li1, Fanze Meng1
1Department of Chemical Engineering, Key Laboratory for Industrial Biocatalysis of Ministry of Education, Tsinghua University, Beijing, China.
Nature communications
|January 31, 2026
Resumen
Los investigadores dilucidaron la vía biosintética de la glabridina en levadura, permitiendo su producción de novo. Este flavonoide antioxidante
Área de la Ciencia:
- Bioquímica y Biología Sintética
- Biosíntesis de Productos Naturales
- Ingeniería Metabólica
Sus antecedentes:
- La diversidad de flavonoides resulta de modificaciones enzimáticas de moléculas precursoras.
- La elucidación de redes metabólicas complejas para el diseño de vías es un desafío.
- La comprensión de la biosíntesis de glabridina en Glycyrrhiza glabra L. es crucial para su producción.
Objetivo del estudio:
- Identificar y reconstruir la vía biosintética de la glabridina.
- Permitir la producción de novo de glabridina en levadura.
- Investigar los mecanismos enzimáticos que subyacen a la síntesis de glabridina.
Principales métodos:
- Ensamblaje del genoma a escala de cromosoma y análisis de transcriptoma a gran escala.
- Análisis de 183 transcriptomas de regaliz para identificar enzimas modificadoras.
- Reconstrucción de la vía biosintética en un huésped heterólogo de levadura.
Principales resultados:
- Identificación de cuatro clases de enzimas que modifican andamios de isoflavano.
- Validación de seis vías funcionales dentro de una red de adaptación multiruta.
- Descubrimiento de un mecanismo de "protección-desprotección" que involucra ciclos de metilación-desmetilación.
- Producción exitosa de novo de glabridina en levadura de ingeniería.
Conclusiones:
- El estudio establece un paradigma biosintético para la síntesis de glabridina.
- La redundancia metabólica y la interconectividad mejoran la robustez y el rendimiento de la vía.
- Los hallazgos tienen amplias implicaciones para el descubrimiento de productos naturales y la biofabricación.
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