Bio-mitigation of CO: The co-production of phycocyanin and optically pure (R)-γ-valerolactone with perfect enantiomeric excess.

To overcome the climate crisis, various greenhouse gas (GHG) mitigation strategies have been developed, and every effort has been made to achieve carbon neutrality. Given that petroleum-based industries and the transportation sector emit enormous amounts of GHGs, the product spectra of biorefineries should be expanded beyond drop-in biofuels to include more value-added products. This study aimed to construct a CO mitigation system.