Occurrence, Classification, and Biological Function of Hydrogenases: An Overview.

The article presents an overview of the occurrence, categorization, and biological function of hydrogenases. It aims to offer several information on the distribution of hydrogenases in different taxa and assist in the retrieval of hydrogenase gene sequences from databases. The authors note that the study highlights the potential of molecular hydrogen as an energy source and an energy carrier. Detailed information about hydrogenases is provided.