Authors: Vilja Siitonen, Anna Probst, Gábor Tóth, Robert Kourist, Michael Schroda, Sergey Kosourov and Yagut Allahverdiyeva Short description: The green alga Chlamydomonas reinhardtii was used as a chassis for photobiotransformation of cyclohexanone to ε-caprolactone. In addition a stepwise production of molecular hydrogen and ε-caprolactone was achieved. Link to the publication: https://doi.org/10.1039/D3GC01400B