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Las jadomicinas que contienen anillos de ocho miembros: implicaciones para la biosíntesis de productos naturales no

Andrew W Robertson¹, Camilo F Martinez-Farina, Deborah A Smithen

¹Department of Chemistry and ⊥College of Pharmacy, Dalhousie University , Halifax, Nova Scotia B3H 4R2, Canada.

Journal of the American Chemical Society

|February 19, 2015

Resumen

Los investigadores descubrieron nuevas jadomicinas que contienen anillos de ocho miembros de Streptomyces venezuelae. Estos hallazgos destacan el potencial para el descubrimiento de nuevos andamios moleculares a través de la exploración de vías biosintéticas.

Área de la Ciencia:

Química de Productos Naturales Química de Productos Naturales
La biosíntesis microbiana es la biosíntesis microbiana.
Química orgánica es la química orgánica.

Sus antecedentes:

Streptomyces venezuelae produce varios compuestos bioactivos, incluidas las jadomicinas.
Comprender la diversidad estructural de los productos naturales es crucial para el descubrimiento de fármacos.
La exploración de modificaciones no enzimáticas dentro de las vías biosintéticas puede producir nuevas entidades químicas.

Objetivo del estudio:

Para aislar y caracterizar los nuevos derivados de jadomicina de Streptomyces venezuelae.
Investigar la diversidad estructural y el potencial para nuevos andamios en la biosíntesis de jadomicina.
Explorar estrategias de derivación semisintética para generar nuevos productos naturales.

Principales métodos:

Aislamiento y aclaración estructural de Jadomycin Oct (1) de Streptomyces venezuelae ISP5230.0.
Derivación semisintética mediante acilación quimioselectiva del grupo amino α de l-ornitina.
Incorporación de ácido 5-aminovalérico para sintetizar jadomicina AVA.

Principales resultados:

Aislamiento y caracterización de Jadomycin Oct (1), un anillo único de l-ornitina de ocho miembros que contiene jadomycin.
Síntesis exitosa de jadomicina AVA, otro anillo de ocho miembros que contiene jadomicina, a través de la incorporación de ácido 5-aminovalérico.
Demostración de la diversidad estructural alcanzable a través de pasos no enzimáticos en la biosíntesis.

Conclusiones:

La jadomicina Oct y la jadomicina AVA representan nuevas clases estructurales de las jadomicinas.
Estos hallazgos subrayan el potencial de las vías microbianas para generar productos naturales estructuralmente diversos.
El estudio ejemplifica el descubrimiento de nuevos andamios moleculares con potenciales aplicaciones terapéuticas.

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