A novel Geotrichum candidum aldehyde dehydrogenase (GcALDH) effectively oxidized aldehydes to carboxylic acids under mild conditions. Nonetheless, the free form of GcALDH still had a limitation in stability and recyclability.… Click to show full abstract
A novel Geotrichum candidum aldehyde dehydrogenase (GcALDH) effectively oxidized aldehydes to carboxylic acids under mild conditions. Nonetheless, the free form of GcALDH still had a limitation in stability and recyclability. Herein, to overcome these limitations, this study achieved the immobilization of the GcALDH by the organic-inorganic nanocrystal formation. The GcALDH nanocrystal exhibited 261 ± 40 % of activity comparing to the free enzyme. It also exhibited improved thermostability and recyclability as well as remained excellent substrate promiscuity, which suggested its potential use in green industries. To the best of our knowledge, this is the first time to report the ALDH-inorganic nanocrystal formation with superior properties.
Journal Title: Enzyme and microbial technology
Year Published: 2021
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