Bacterias que aprenden a comer plástico. Hablamos con Manuel Ferrer

El plástico usado en botellas y envases (PET) tarda siglos en degradarse y contamina mares, ríos y suelos. Pero, ¿y si unas bacterias pudieran comérselo? Manuel Ferrer, nuestro invitado en Hablando con Científicos, es uno de los investigadores del CSIC que, junto a colegas del Barcelona Supercomputing Center, ha logrado enseñar a la bacteria E. coli, muy común en los laboratorios, a degradar plástico. La clave es GenRewire, una técnica que combina inteligencia artificial, supercomputadores y CRISPR, el famoso "corta y pega" genético. En lugar de añadir genes de otras especies, los científicos reprogramaron las propias proteínas de E. coli para que aprendiera a romper el PET. ¿El resultado? La bacteria consiguió deshacer nanopartículas de plástico y transformarlas en compuestos que incluso pueden reutilizarse. Por ahora es solo una prueba de concepto, pero abre un camino fascinante: crear microbios "recicladores" capaces de convertir montañas de residuos en nuevos recursos. Más información en https://cienciaes.com

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This episode is 1 hour and 7 minutes long.

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This episode was published on August 26, 2025.

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